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... The Seto Inland Sea, the largest inland sea in Japan, is a rich fishery with high biodiversity and productivity. Monogeneans have been studied for more than 120 years, and 58 nominal species have been recorded in the Seto inland Sea. This study provided DNA information on five species of Benedenia sensu lato (Capsalidae) from marine fishes from the sea, and one of them, Benedenia kobudai n. sp., i ...
... Aeromonas hydrophila is a Gram-negative bacterial pathogen with a broad host range, including fish and humans. In this study, we examined the function of a secretory serine protease (named Ssp1) identified in pathogenic A. hydrophila CCL1. Ssp1 possesses a trypsin-like serine protease domain and contains two conserved PDZ domains. Recombinant Ssp1 protein (rSsp1) treatment increased intestinal per ...
... Alfalfa mosaic virus (AMV) is a plant virus belonging to the genus Alfamovirus in the family Bromoviridae. AMV occurs worldwide and is one of the most important viruses affecting a large number of plant species, mainly commercially important crops. In this study, we report the molecular analysis of the CP gene sequences of 23 AMV isolates obtained from different geographical areas and hosts: alfal ...
... Legume-cereal intercropping systems, in the context of diversity, ecological function, and better yield have been widely studied. Such systems enhance nutrient phytoavailability by balancing root-rhizosphere interactions. Root exudates (RE) play an important role in the rhizospheric interactions of plant-plant and/or plant-microbiome interaction. However, the influence of the primary metabolites o ...
Sandra Runft; Iris Färber; Johannes Krüger; Nadine Krüger; Federico Armando; Cheila Rocha; Stefan Pöhlmann; Laura Burigk; Eva Leitzen; Malgorzata Ciurkiewicz; Armin Braun; Daniel Schneider; Lars Baumgärtner; Bernd Freisleben; Wolfgang Baumgärtner
... The emergence of the coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) inspired rapid research efforts targeting the host range, pathogenesis and transmission mechanisms, and the development of antiviral strategies. Genetically modified mice, rhesus macaques, ferrets, and Syrian golden hamsters have been frequently used in studies of pat ...
... Trypanosoma evansi, a unicellular haemoflagellate, causes surra in bovines and other economically important livestock species. We report here the epidemiological variables associated with the high prevalence of T. evansi infection in cattle in the plain agro-climatic zone of Chhattisgarh state, India. A total of 920 blood and sera samples were tested by a combination of parasitological, molecular ...
... Anaplasmosis is a tick-transmitted disease due to several species of the genus Anaplasma. In 2019, we demonstrated the presence of Anaplasma capra in two deer species at a zoological park in mainland France. As we suspected its presence in Corsica, we surveyed 11 geographically distant sheep or goat farms. Using molecular tools such as nested PCR targeting 16S ribosomal RNA (rRNA), citrate synthas ...
... Consumption of seafood contaminated with Vibrio parahaemolyticus leads to acute gastroenteritis. Bacteriophages are considered the biological enemies of bacteria, present in the same ecosystem where the bacteria are found, and their applicability in reducing pathogens in the food industry cannot be overlooked. Hence, we aimed to isolate novel lytic bacteriophages and evaluate their potential appli ...
Salmonella; adsorption; bacteriophages; chickens; host range; transmission electron microscopy; virology
Abstract:
... Salmonella contamination is a critical problem in poultry farms, with serious consequences for both animals and food products. The aim of this study is to investigate the use of phage cocktails to reduce Salmonella contamination in poultry farms. Within the scope of the study, Salmonella phages were isolated from chicken stool. After the host range of phages was determined, morphological character ...
... In recent years, bacteriophage research has been boosted by a rising interest in using phage therapy to treat antibiotic-resistant bacterial infections. In addition, there is a desire to use phages and their unique proteins for specific biocontrol applications and diagnostics. However, the ability to manipulate phage genomes to understand and control gene functions, or alter phage properties such ...
... Mycorrhiza is a symbiotic association between the roots of plants with fungi. Among the various types of mycorrhizal fungi, arbuscular mycorrhizal fungi (AMF) are the most prominent as they are obligate symbionts with a wide host range, and they play a major role in shaping ecosystems and associated productivity. Approximately 71% of vascular plant species are able to form symbiotic association wi ...
Aculus; Crassula; aquatic weeds; biological control; biological control agents; host plants; host range; leaves; phytophagous mites; plant growth; plant height; swamps; Northern European region
Abstract:
... The non-native aquatic weed Crassula helmsii, or Australian swamp stonecrop, has become widespread and a major problem in aquatic habitats in the UK and North-West Europe, with negative impacts reported from ecologically important habitats. As very few effective traditional management tools are available to land managers, a biological control project was initiated in the UK. An Australian phytopha ...
Jessica A. Ferrarezi; Alistair R. McTaggart; Peri A. Tobias; Carolina A.A. Hayashibara; Rebecca M. Degnan; Louise S. Shuey; Livia M. Franceschini; Mariana S. Lopes; Maria C. Quecine
... Austropuccinia psidii is the causal agent of myrtle rust, a fungal disease that infects over 480 species in the Myrtaceae. A. psidii is a biotrophic pathogen that reproduces sexually and asexually. Sexual reproduction has been previously shown on Syzygium jambos and little is known about its reproductive biology on other hosts or whether populations that were formerly structured by host range can ...
... BACKGROUND: Bacterial ring rot of potato (Solanum tuberosum) caused by the gram‐positive coryneform bacterium Clavibacter sepedonicus is an important quarantine disease threatening the potato industry around the globe. Since its original description in 1906 in Germany, management of ring rot has been a major problem due to the seedborne nature (via seed tubers not true seeds) of the pathogen allow ...
Caudovirales; Salmonella; Shigella sonnei; bacteriophages; beef; biological control; biological control agents; cucumbers; digestion; growth curves; host range; juices; latent period; model food systems; multiple drug resistance; nutritive value; polyacrylamide gel electrophoresis; protein composition; salmonellosis; serotypes; sodium; structural proteins; thermal stability; virulence
Abstract:
... Salmonella is one of the leading causes of foodborne illnesses worldwide. The rapid emergence of multidrug-resistant Salmonella strains has increased global concern for salmonellosis. Recent studies have shown that bacteriophages (phages) are novel and the most promising antibacterial agents for biocontrol in foods because phages specifically kill target bacteria without affecting other bacteria, ...
... AIMS: Here, we investigate the impact of phage‐antibiotic combinations (PAC) on bacterial killing, resistance development and outer membrane vesicle (OMV) production in multidrug‐resistant (MDR) P. aeruginosa. METHODS AND RESULTS: After screening 10 well‐characterized MDR P. aeruginosa strains against three P. aeruginosa phages, representative strains, R10266 and R9316, were selected for synergy t ...
DNA; Escherichia coli; Salmonella; Vibrio parahaemolyticus; antibacterial properties; bacteria; bacteriophages; drug resistance; endolysin; food safety; genes; host range; pH; public health; shrimp; temperature
Abstract:
... Vibrio parahaemolyticus is a common foodborne pathogenic bacterium and drug‐resistant strains are now widespread. Phages led by drug‐resistant V. parahaemolyticus strains are promising means to decrease the pressure on public health. We isolated a V. parahaemolyticus‐specific bacteriophage F23s1 that was active at wide ranges of temperature (30–60°C) and pH (4–10). Phage F23s1 exhibited a specific ...
... Beauveria bassiana is a wide host range entomopathogenic fungus that plays a substantial part to control of insect populations. During its pathogenic phase, fungus syntheses several metabolites. One of these metabolites is beauvericin (BEA) and it shows as an antibiotic, antifungal, insecticidal activity. Molecular imprinting approach allows selective and sensitive recognition of chosen template m ...
... Phages are strong antibacterial agents commonly used in the food industry, especially phage cocktails that cause much stronger and more stable effects. This study aimed to identify and characterize three absolutely lytic phages of E. coli isolated from poultry farms. Phages O18-011 and EK010 were classified in the Podoviridae family, genus Kuravirus, and Phage vB_EcoM_005 was isolated classified i ...
... The Bacillus amyloliquefaciens group, composed of B. amyloliquefaciens, B. velezensis, B. nakamurai, and B. siamensis, has recently emerged as an interesting source of biocontrol agents for the management of pathogenic fungi. In this review, all the reports regarding the ability of these species to control postharvest fungal diseases have been covered for the first time. B. amyloliquefaciens speci ...
... Bacteriophages (phages) have been proposed as promising alternative pesticides against various bacterial diseases of crops. However, the efficacy of phages in managing plant bacterial diseases is variable and poorly understood in natural settings. In this study, two lytic phages, RpT1 and RpY2, were investigated for their biocontrol potential against bacterial wilt by Ralstonia pseudosolanacearum ...
... Pseudomonas syringae pv. syringae (Pss), the causal agent of citrus blast and black pit lesion of lemon fruit, continues to cause serious damage in citrus production in Tunisia. Faced with the rapid emergence of the disease and the inefficiency of conventional control methods, an alternative strategy based on the use of bacteriophages was pursued in this study. The lytic Pss bacteriophage SoKa was ...
... Characterization of bacteriophages facilitates better understanding of their biology, host specificity, genomic diversity, and adaptation to their bacterial hosts. This, in turn, is important for the exploitation of phages for therapeutic purposes, as the use of uncharacterized phages may lead to treatment failure. The present study describes the isolation and characterization of a bacteriophage e ...
... In 1998, Hadroplontus (formerly Ceutorhynchus) litura, a stem-mining weevil, was introduced into a limited area in Minnesota for the biological control of Canada thistle, Cirsium arvense. Although showing a preference for C. arvense, initial host range testing in the 1960s indicated H. litura attacked other native Cirsium species. Before promoting or augmenting biocontrol with H. litura in Minneso ...
... The herbaceous groundcover plant Tradescantia fluminensis (wandering trad) has become a significant invader of temperate and subtropical forest ecosystems in Australia. Classical biological control (biocontrol) offers a sustainable and broad-scale management strategy to reduce wandering trad populations. The leaf-smut fungus Kordyana brasiliensis from Brazil, investigated as part of the New Zealan ...
... Aedes albopictus (Skuse) and Aedes aegypti (Linnaeus) (Diptera: Culicidae) mosquitoes transmit pathogenic arthropod-borne viruses, including dengue, chikungunya, and Zika viruses, with significant global health consequences. Both Ae. albopictus and Ae. aegypti also are susceptible to Aedes flavivirus (AEFV), an insect-specific flavivirus (ISF) first isolated in Japan from Ae. albopictus and Ae. fl ...
Amy DaSilva; Angelica M. Reddy; Paul D. Pratt; Marielle S. Hansel Friedman; Brenda J. Grewell; Nathan E. Harms; Ximena Cibils-Stewart; Guillermo Cabrera Walsh; Ana Faltlhauser; M. Lourdes Chamorro
Curculionidae; Ludwigia; adults; biological control; biological control agents; body length; eggs; entomologists; herbivores; host preferences; host range; host specificity; indigenous species; larval development; nontarget organisms; oviposition; weeds; Florida; South America
Abstract:
... South American invasive plants in the genus Ludwigia (Onagraceae) degrade many riparian and aquatic ecosystems worldwide. Biological control may aid in the management of these exotic weeds, but data on the host specificity of Ludwigia natural enemies is limited. The biology and host range of Sudauleutes bosqi Hustache (Coleoptera: Curculionidae), an herbivore of Ludwigia spp. in South America, was ...
Fagus; bark; charcoal; climate change; economic impact; forest management; fungi; genetic variation; host range; trees; virulent strains; Central European region; Europe
Abstract:
... Biscogniauxia nummularia (Bull.) Kuntze is a fungus which induces strip-cankers on beech, commonly referred to as charcoal canker. The symptoms of infection are visible on the host tree’s bark as elongated, blackish bark lesions on the trunk and branches. Recent years have shown that, due to climate change causing local epidemics, the species is increasing its economic impact in Mediterranean regi ...
... Shiga toxin-producing Escherichia coli and Salmonella enterica are important pathogens worldwide. Bacteriophages can be effectively used to reduce the incidence of foodborne pathogens. The host recognition systems of phages are highly specific, with the host range of a common phage being limited to the species or strain level. Here, we characterized a novel broad-host-range phage, EscoHU1, that in ...
... Symptoms of severe leaf curling, typical of begomovirus infection, were observed on a plant of Brugmansia arborea grown in lawns of Quaid-i-Azam university Islamabad, Pakistan. A begomovirus and its associated betasatellite were amplified and sequenced from infected plants. Nucleotide sequence showed that a monopartite begomovirus named Chilli leaf curl virus (ChLCV) and Chilli leaf curl betasatel ...
... Sclerotinia sclerotiorum is a notorious phytopathogenic Ascomycota fungus with a host range of >600 plant species worldwide. This homothallic Leotiomycetes species reproduces sexually through a multicellular apothecium that produces and releases ascospores. These ascospores serve as the primary inoculum source for disease initiation in the majority of S. sclerotiorum disease cycles. The regulation ...
Arabidopsis; Botrytis cinerea; cucumbers; death; fungi; genes; genetic markers; host range; jasmonic acid; mutation; pathogens; salicylic acid; signal transduction; two hybrid system techniques
Abstract:
... Botrytis cinerea is an important necrotrophic fungal pathogen with a broad host range. Its infection in cucumber can lead to great economic losses. CC-type glutaredoxin was reported to be involved in the defense response of plants against B. cinerea infection. However, its mechanism in cucumber with B. cinerea infection is not well understood. In this study, we observed that the gene encoding CC-t ...
... Chikungunya virus (CHIKV), a (re)emerging arbovirus, is the causative agent of chikungunya fever. To date, no approved vaccine or specific antiviral therapy are available. CHIKV has repeatedly been responsible for serious economic and public health impacts in countries where CHIKV epidemics occurred. Antiviral tests in vitro are generally performed in Vero-B4 cells, a well characterised cell line ...
... Sweet potato is a global root crop, with a worldwide production of 91.5 million metric tons in 2019 (FAO 2019). However, virus diseases cause significant yield losses and quality decline in sweet potato. Up to now, over 30 different viruses have been identified in sweet potato (Clark et al. 2012). Expanding knowledge of the host range of sweet potato viruses will provide a benefit for the understa ...
... The increasing host range of canine morbillivirus (CDV) affecting important wildlife species such as Lions, Leopard, and Red Pandas has raised the concern. Canine distemper is a pathogen of dogs affecting the respiratory, gastrointestinal, and nervous systems. Seventeen lineages of CDV are reported, and the eighteenth lineage was proposed in 2019 from India. Marked genomic differences in the genom ...
... Canine parvovirus (CPV) is a major cause of hemorrhagic diarrhea and mortality in puppies worldwide. There are 2 types of Parvovirus which affects canines: Canine parvovirus 2 (CPV-2) and Canine parvovirus 1 (CPV-1) or the Minute Virus of Canine (MVC). CPV-2 originated from Feline panleukopenia virus and has undergone genetic variation to give rise to its three variants (CPV-2a, CPV-2b and CPV-2c) ...
... Whitefly-transmitted begomoviruses are among the major threats to the cultivation of Capsicum spp. (Family: Solanaceae) worldwide. Capsicum-infecting begomoviruses (CIBs) have a broad host range and are commonly found in mixed infections, which, in turn, fuels the emergence of better-adapted species through intraspecies and interspecies recombination. Virus-encoded proteins hijack host factors to ...
... The production of Ribes (Rosaceae) in temperate regions in Europe, Asia and New Zealand is severely constrained by damages of Cecidophyopsis mites (Acari: Eriophyidae) and blackcurrant reversion virus (BRV) (Nepovirus, Secoviridae). The infestation of Ribes plants with Cecidophyopsis mites and BRV infection is a complex tripartite system. This paper reviews scientific progress and knowledge gaps o ...
... Rabbit haemorrhagic disease virus (RHDV) is highly pathogenic to European rabbits. Until recently, only one serotype of RHDV was known, GI.1/RHDV. RHDV2/GI.2 is a novel virus that has rapidly spread and become the dominant pathogenic calicivirus in wild rabbits worldwide. It is speculated that RHDV2 has three competitive advantages over RHDV: (a) the ability to partially overcome immunity to other ...
... The emergence of highly virulent multidrug-resistant P. aeruginosa has become increasingly evident among hospital-acquired infections and has raised the need for alternative therapies. Phage therapy can be one such alternative to antibiotic therapy to combat multidrug-resistant pathogenic bacteria, but this requires the availability of phages with a broad host range. In this study, isolation and m ...
... Aeromonas hydrophila (A. hydrophila) is an opportunistic pathogen of fish, humans, and livestock, and has a severe negative impact on aquaculture development. Phage therapy is considered an alternative strategy for controlling bacterial infections and contamination. In this study, we isolated and characterized the genomes of two A. hydrophila-specific phages, PZL-Ah1 and PZL-Ah8, which, based on t ...
... Clostridium perfringens is a major cause of foodborne disease in developed countries. The aim of this study was to isolate and characterize phages specific to C. perfringens to evaluate the most efficient phage cocktail for the biocontrol of C. perfringens, both in vitro and in curry roux. In this study, four phages were isolated from chicken meat and were morphologically and genetically character ...
Aeromonas hydrophila; Oreochromis niloticus; antibiotic resistance; antibodies; aquaculture; bacteria; bacteriophages; freshwater fish; genome; genomics; host range; lethal dose; multiple drug resistance; new family; pH; salinity; temperature
Abstract:
... Bacteriophage (phage) is considered as one of the alternatives to antibiotics and an environmentally friendly approach to tackle antimicrobial resistance (AMR) in aquaculture. Here, we reported isolation, morphology and genomic characterizations of a newly isolated lytic phage, designated pAh6.2TG. Host range and stability of pAh6.2TG in different environmental conditions, and protective efficacy ...
... Clostridium perfringens is one of the most important foodborne pathogens in developed countries. It causes severe food poisoning outbreaks worldwide, along with mortality and economic losses. Recently, bacteriophages have been investigated as an alternative tool to control pathogenic bacteria in the food industry. In this study, 19 Clostridium perfringens and 6 Clostridium perfringens bacteriophag ...
... During rainy season of 2017–18, leaf spot symptoms were observed on giloy at ICAR-DMAPR, Anand. At the initial stage small brown spots were developed which gradually turned into dark brown to black with the ash coloured centre. The retrieved pure culture of fungus was further used to establish the Koch's postulates and pathogenicity on the other hosts. The circular colonies of grey to deep brown c ...
... Vibrio parahaemolyticus is a widely recognized pathogen that has caused numerous outbreaks and is prevalent in the marine environment. In this study, we investigated the characteristics of the novel V. parahaemolyticus strain BTXS2 and its associated phage, VB_VpP_BT-1011, isolated from the Bohai Coast (Tianjin, China). Strain BTXS2 is a short coryneform bacterium with a terminal flagellum and is ...
... Zucchini yellow mosaic virus (ZYMV) has been reported in Indonesia over the past decade. However, the biological, morphological, and molecular characterizations of Indonesian isolates of this virus have not yet been determined. In this study, we report a ZYMV isolate infecting green kabocha (Cucurbita maxima L.; GK) and exhibiting a typical chlorotic mosaic with vein banding symptoms. A bioassay p ...
... During 2017–2019, we observed Trichothecium spp. causing fruit rot in the field and in storage. This study was conducted to examine morphological differences of the species from different hosts, reveal the species’ potential host range, and evaluate the efficacy of five fungicides. Six strains of Trichothecium spp. isolated from nectarine, peach and walnut were selected. Although the colony morpho ...
... Since 2016, devastating bacterial blotch affecting the fruiting bodies of Agaricus bisporus, Cordyceps militaris, Flammulina filiformis, and Pleurotus ostreatus in China has caused severe economic losses. We isolated 102 bacterial strains and characterized them polyphasically. We identified the causal agent as Pseudomonas tolaasii and confirmed the pathogenicity of the strains. A host range test f ...
Autographiviridae; aminoglycosides; antimicrobial properties; bacteriophages; beta-lactamase; biofilm; cephalosporins; endolysin; fluoroquinolones; genome; host range; imipenem; multiple drug resistance; municipal wastewater; pH; polymyxins; sequence analysis; urinary tract; uropathogenic Escherichia coli; India
Abstract:
... AIM: We aimed to study host range, stability, genome and antibiofilm activity of a novel phage vB_EcoA_RDN8.1 active against multi‐drug resistant (MDR) and extensively drug‐resistant (XDR) biofilm‐forming uropathogenic Escherichia coli isolates. METHODS AND RESULTS: A novel lytic phage vB_EcoA_RDN8.1 active against UPEC strains resistant to third‐generation cephalosporins, fluoroquinolones, aminog ...
... Host-seeking behaviour and how a parasite identifies the correct host to infect remains a poorly understood area of parasitology. What is currently known is that host sensation and seeking behaviour is formed from a complex mixture of chemo-, thermo- and mechanosensory behaviours, of which chemosensation is the best studied. Previous studies of olfaction in parasitic nematodes suggested that this ...
Begomovirus; Capsicum annuum; RNA; genes; genetic variation; host range; leaf curling; phylogeny; population growth; satellites; spices; vegetable crops; India
Abstract:
... Capsicum annuum, a valuable spice and vegetable crop belonging to the Solanaceae family, is extensively grown across the Indian subcontinent. Chilli production is restricted by a begomoviral infection named as chilli leaf curl disease (ChiLCD) mainly in tropical and subtropical regions which leads to considerable economic losses, thus affecting chilli cultivation. Here, we studied the genetic dive ...
Anoplophora chinensis; Citrus; climate change; deciduous forests; entomology; geographical distribution; host range; mechanistic models; pests; quarantine; East Asia; North America; Western European region
Abstract:
... The citrus longhorned beetle (CLB) (Anoplophora chinensis) is an important quarantine pest of main Citrus crops. Its potential distribution and invasion under climate change scenarios have important economic implications for many countries. We used the ensemble maps from both the CLIMEX and MaxEnt models to obtain CLB’s potential distribution in climate‐suitable regions under historical and future ...
Joachim R. de Miranda; Laura E. Brettell; Nor Chejanovsky; Anna K. Childers; Anne Dalmon; Ward Deboutte; Dirk C. de Graaf; Vincent Doublet; Haftom Gebremedhn; Elke Genersch; Sebastian Gisder; Fredrik Granberg; Nizar J. Haddad; Rene Kaden; Robyn Manley; Jelle Matthijnssens; Ivan Meeus; Hussein Migdadi; Meghan O. Milbrath; Fanny Mondet; Emily J. Remnant; John M. K. Roberts; Eugene V. Ryabov; Noa Sela; Guy Smagghe; Hema Somanathan; Lena Wilfert; Owen N. Wright; Stephen J. Martin; Brenda V. Ball
... In 1977, a sample of diseased adult honeybees (Apis mellifera) from Egypt was found to contain large amounts of a previously unknown virus, Egypt bee virus, which was subsequently shown to be serologically related to deformed wing virus (DWV). By sequencing the original isolate, we demonstrate that Egypt bee virus is in fact a fourth unique, major variant of DWV (DWV-D): more closely related to DW ...
... Japanese hop (Humulus scandens) is a nonnative, invasive plant that colonizes disturbed riparian areas throughout the eastern United States and Canada, forming dense, monocultural stands that displace native plant communities due to a high reproductive rate, rapid growth, climbing bines, and dense shading (Balogh and Dancza 2008). It is capable of serving as a reservoir for agronomically important ...
... The ability of a fungal entomopathogen to infect an insect depends on a variety of factors, including strain, host, and environmental conditions. Similarly, an insect’s ability to prevent fungal infection is dependent on its biology, environment, and evolutionary history. Synanthropic pests have adapted to thrive in the indoor environment, yet they arose from divergent evolutionary lineages and oc ...
... Escherichia coli, a bacterium that causes severe foodborne diseases, is transmitted to humans primarily through the consumption of contaminated foods. These foodborne pathogens are causing a public health problem that requires alternative control approaches, such as bacteriophage (phage) biocontrol. In this study, we characterized vB_EcoM_Tw01 (vTw01) isolated from sewage and vB_EcoM_Tcm05 (vTcm05 ...
... Eastern Africa is currently infested with dodders—highly invasive vines that threaten agriculture and biodiversity. We describe historical and ecological factors that have potentially shaped dodder invasion in this region. Our results reveal high levels of genetic diversity within dodder populations, which could enhance their ability to colonize new niches. Further, we identify two main population ...
... Negeviruses are a group of insect-specific viruses that have a wide geographic distribution and broad host range. In recent years, nege-like viruses have been discovered in aphids of various genera of the family Aphididae, including Aphis, Rhopalosiphum, Sitobion, and Indomegoura. Here, we report the complete genome sequence of a nege-like virus isolated from Astegopteryx formosana aphids collecte ...
... Iridoviruses are emerging pathogens that are widespread in diverse environments and hosts. Numerous members of the family Iridoviridae are known to cause severe disease in freshwater and marine organisms. Here, we report the complete genome sequence and phylogenetic analysis of iridovirus strain LPIV-ZS-2021, isolated from a small yellow croaker (Larimichthys polyactis) in China. The genome sequen ...
... Aspergillus niger is an important filamentous phytopathogenic fungus with a broad host range. A novel double-stranded (ds) RNA mycovirus, named Aspergillus niger victorivirus 1 (AnV1), isolated from A. niger strain baiyun3.23-4, was sequenced and analyzed. The AnV1 genome is 5317 nucleotides long with a GC content of 56%. AnV1 contains two open reading frames (ORF1 and 2), overlapping at a tetranu ...
... Orf virus (ORFV, species Orf virus) belongs to the typical species of the Parapoxvirus genus of the family Poxviridae, which infects sheep, goats, and humans with worldwide distribution. Although outbreaks of Orf have been reported sequentially in several Chinese provinces, the epidemiology of Orf and genetic diversity of ORFV strains still needs to be further characterized. To further reveal the ...
Escherichia coli; antibiotic resistance; environment; farms; hospitals; host range; patients; phylogeny; plasmids; public health; risk; tigecycline; China
Abstract:
... The emergence of novel plasmid-mediated high-level tigecycline resistance genes tet(X) in the Enterobacteriaceae has increased public health risk for treating severe bacterial infections. Despite growing reports of tet(X)-positive isolates detected in animal sources, the epidemiological association of animal- and environment-derived isolates with human-derived isolates remains unclear. Here, we pe ...
... Increased antibiotic resistance has prompted the development of bacteriophage agents for a multitude of applications in agriculture, biotechnology, and medicine. A key factor in the choice of agents for these applications is the host range of a bacteriophage, i.e., the bacterial genera, species, and strains a bacteriophage is able to infect. Although experimental explorations of host ranges remain ...
... As a newly found virus that seriously threatens the economic crustacean aquaculture, the susceptible host range of Decapod iridescent virus 1 (DIV1) plays a critical role in both epidemic prevention and international trade. The swimming crab, Portunus trituberculatus, is widely distributed in the coastal waters of Asia and has become an important economic species in China. In the present study, he ...
... Genes involved in the same cellular process are often clustered together in an operon whose expression is controlled by an upstream promoter. Generally, the activity of the promoter is strictly controlled. However, spurious transcription undermines this strict regulation, particularly affecting large operons. The negative effects of spurious transcription can be mitigated by the presence of multip ...
... In 2017 and 2018, corky root disease was observed on lettuce (Lactuca sativa L.) in Nagano Prefecture, Japan. The symptoms included corky, brittle, dark-brown lesions on the taproots and lateral roots, causing loss of feeder roots and wilting of plants. A bacterium was isolated from the roots lesions that caused similar symptoms in lettuce seedlings after inoculation. Based on the results of host ...
... A new disease of Cosmos sulphureus Cav. causing external and internal stem discoloration, premature death, and wilting was observed in 27.8% of plants with an average disease severity rating of 4.4 in Gazipur, Bangladesh. Morphological, pathological, and molecular analyses identified the isolated fungus as Sclerotinia sclerotiorum (Lib) de Bary, the causative agent of white rot disease. The optimu ...
... Myxomatosis is an emergent disease in the Iberian hare (Lepus granatensis). In this species, the disease is caused by a natural recombinant virus (ha‐myxoma virus [MYXV]) identified for the first time in 2018 and has since been responsible for a large number of outbreaks in Spain and Portugal. The ha‐MYXV, which harbours a 2.8 Kb insert‐disrupting gene M009L, can also infect and cause disease in w ...
... Small molecules encoded by biosynthetic pathways mediate cross-species interactions and harbor untapped potential, which has provided valuable compounds for medicine and biotechnology. Since studying biosynthetic gene clusters in their native context is often difficult, alternative efforts rely on heterologous expression, which is limited by host-specific metabolic capacity and regulation. Here, w ...
Zoë E. Dubrow; Sara C. D. Carpenter; Morgan E. Carter; Ayress Grinage; Carine Gris; Emmanuelle Lauber; Jules Butchachas; Jonathan M. Jacobs; Christine D. Smart; Matthew A. Tancos; Laurent D. Noël; Adam J. Bogdanove
Matthiola incana; Xanthomonas campestris; genes; genomics; heterologous gene expression; host range; pathogenicity; pathovars; signal peptide; weeds; California; New York
Abstract:
... Pathovars of Xanthomonas campestris cause distinct diseases on different brassicaceous hosts. The genomic relationships among pathovars as well as the genetic determinants of host range and tissue specificity remain poorly understood despite decades of research. Here, leveraging advances in multiplexed long-read technology, we fully sequenced the genomes of a collection of X. campestris strains is ...
Glycine max; Heterodera glycines; agriculture; assets; biodiesel; cyst nematodes; host range; juveniles; reproduction; sandy soils; soybeans; stylets; Argentina; Brazil; China; South East Asia
Abstract:
... Soybean is a leguminous crop that originated from Southeast Asia, and it was domesticated in the northeastern parts of China. Recently, it has been highly produced in the United States of America, Brazil, and Argentina for cooking oil, protein, fiber and for the manufacturing of plastics, lubricants, candles, varnishes, soaps, and biodiesel. Nevertheless, in warm, moist, sandy soil conditions, its ...
... Verticillium dahliae is a broad host-range phytopathogenic fungus that causes destructive vascular wilt on plants worldwide. Cytochrome P450 monooxygenases, also known as CYPs/P450s, are broadly distributed in organisms and are involved in a diverse array of molecular/metabolic processes. In this study, using reverse transcription quantitative PCR analysis, we observed that the expression of a P45 ...
Kerry O’Donnell; Briana K. Whitaker; Imane Laraba; Robert H. Proctor; Daren W. Brown; Kirk Broders; Hye-Seon Kim; Susan P. McCormick; Mark Busman; Takayuki Aoki; Terry J. Torres-Cruz; David M. Geiser
... Accurate species-level identification of an etiological agent is crucial for disease diagnosis and management because knowing the agent’s identity connects it with what is known about its host range, geographic distribution, and toxin production potential. This is particularly true in publishing peer-reviewed disease reports, where imprecise and/or incorrect identifications weaken the public knowl ...
... Dactylogyridae is one of the most studied families of parasitic flatworms with more than 1000 species and 166 genera described to date including ecto- and endoparasites. Dactylogyrid monogeneans were suggested as model organisms for host-parasite macroevolutionary and biogeographical studies due to the scientific and economic importance of some of their host lineages. Consequently, an array of phy ...
... The extensive forests over limestone of the Samar Island Natural Park (SINP) on Samar Island, Philippines harbour a rich variety of unique species. In this contribution, we describe and illustrate a new Loranthaceous mistletoe, endemic to Samar Island named Decaisninatomentosa, representing the 12th member of the genus reported to the Philippines. This new species is similar to D.confertiflora (Me ...
... Insect pollination is crucial for the maintenance of natural and managed ecosystems but the functioning of this ecosystem service is threatened by a worldwide decline of pollinators. Key factors in this situation include the spread and interspecific transmission of pathogens worldwide through the movement of managed pollinators. Research on this field has been mainly conducted in some particular s ...
... Nervous necrosis virus (NNV) is a deadly virus that affects >120 fish species worldwide, but there is little information about it in Thailand. In August 2019, a population of pearl gentian grouper fry imported to Thailand experienced mass mortality. The diseased fish exhibited darkening, floating on the water surface, ‘sleepy behaviour’, and erratic swimming. PCR analysis revealed that the disease ...
... The genus Cercospora contains many devastating plant pathogens linked to leaf spot diseases afflicting various plants. Identification of Cercospora species based on morphology or host plant association has proven unreliable due to simple morphology and wide host range in many cases; hence, multi-gene DNA sequence data are essential for accurate species identification. Considering the complexity an ...
... Citrus melanose is a fungal disease caused by Diaporthe citri F.A. Wolf. It is found in various citrus-growing locations across the world. The host range of D. citri is limited to plants of the Citrus genus. The most economically important hosts are Citrus reticulata (mandarin), C. sinensis (sweet orange), C. grandis or C. maxima (pumelo), and C. paradisi (grapefruit). In the life cycle of D. citr ...
... Efflux transporters such as MexAB-OprM contribute to bacterial resistance to diverse antimicrobial compounds. Here, we show that MexB contributes to epiphytic and late-stage apoplastic growth of Pseudomonas syringae strain B728a, as well as lesion formation in common bean (Phaseolus vulgaris). Although a ∆mexB mutant formed fewer lesions after topical application to common bean, these lesions cont ...
... Fungi belonging to the Botryosphaeriaceae family are widespread pathogens of many angiosperms, causing disease on various high value crops. The most important members of the family for the Greek region and other Mediterranean countries are Botryosphaeria dothidea, Neofusicoccum hellenicum, Neofusicoccum mediterraneum and Neofusicoccum parvum. The frequently concurrent isolation of Botryosphaeriace ...
... Umbraviruses are a special class of plant viruses that do not encode any viral structural proteins. Here, a novel umbravirus that has been tentatively named Paederia scandens chlorosis yellow virus (PSCYV) was discovered through RNA-seq in Paederia scandens plants showing leaf chlorosis and yellowing symptoms. The PSCYV genome is a 4301 nt positive-sense, single strand RNA that contains four open ...
... Paramyxoviruses are a group of RNA viruses, such as mumps virus, measles virus, Nipah virus, Hendra virus, Newcastle disease virus, and parainfluenza virus, usually transmitted by airborne droplets that are predominantly responsible for acute respiratory diseases. In this paper, we identified a novel paramyxovirus belonging to genus Jeilongvirus infecting 4/112 (3.6%) bats from two trapping sites ...
... Aphids are important agricultural pests, vectors of many plant viruses and have sophisticated relationships with symbiotic microorganisms. Abundant asymptomatic RNA viruses have been reported in aphids due to the application of RNA‐seq, but aphid–virus interactions remain unclear. Bunyavirales is the most abundant RNA virus order, which can infect mammals, arthropods, and plants. However, many bun ...
... Hepatitis E virus (HEV) is an important zoonotic pathogen infecting a wide range of host species. It has a positive‐sense, single‐stranded RNA genome encoding three open reading frames (ORFs). Synonymous codon usages of viruses essentially determine their survival and adaptation to susceptible hosts. To better understand the interplay between the ever‐expanding host range and synonymous codon usag ...
Marta Canuti; Francesco Mira; Rachel G. Sorensen; Bruce Rodrigues; Émilie Bouchard; Natasha Walzthoni; Marti Hopson; Cornelia Gilroy; Hugh G. Whitney; Andrew S. Lang
... Some parvoviruses of carnivorans can infect multiple host species. Since many canine parvoviruses were only discovered recently, their host‐range is still unexplored. We examined the host distribution and diversity of five dog parvoviruses in four canine populations from Newfoundland and Labrador, Canada, and investigated the potential for these viruses to cross the species barriers. Canine bocavi ...
... This study aimed to evaluate the prevalence and distribution of Paratylenchus species in the main areas of Prunus spp. production in Spain, their ecological constraints, and new molecular tools for the specific identification of major species. Pin nematodes are recognized as plant-parasitic nematodes with a wide host range and global distribution. Therefore, understanding the environmental and agr ...
... Rugose spiralling whitefly (RSW), Aleurodicus rugioperculatus Martin (Hemiptera: Aleyrodidae), an invasive pest to the Oriental region was found infesting several plantation crops like coconut, banana, guava, Indian almond, sapota, oil palm, mango, cashew, custard apple and several ornamental plants in southern states of India as well as Assam, West Bengal, Maharashtra, Meghalaya, Odisha, Chhattis ...
... Identification of host plants of the invasive spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae), has been the focus of many studies. While the adults and late nymphs are relatively easy to observe on plants and to use for molecular gut-content analysis, studying the early instars is more challenging. This study is the continuation of our ongoing efforts to determine the host range for ...
... The genus Diaporthe Nitschke (Phomopsis Sacc. & Harter) infect various agricultural and horticultural important crops and cause diseases such as damping off, leaf spots, blights, canker, dieback, wilt, root and fruit rots. P. vexans, P. helianthi and P. phaseolorum are the important species within genus causing huge yield and economic loss. Being primarily seed borne it also hinders import and exp ...
... Family Botryosphaeriaceae and the genus Diaporthe (family Diaporthaceae) represent diverse groups of plant pathogens, which include causal agents of leaf spot, shoot blight, branch and stem cankers, dieback, and pre- and postharvest apple fruit decay. Apple fruit with symptoms of light to dark brown decay were collected during and after harvest from 2016 to 2018. Thirty selected isolates, on which ...
COVID-19 infection; One Health initiative; Severe acute respiratory syndrome coronavirus 2; animal production; coevolution; cytoplasm; disease transmission; host range; membrane fusion; pandemic; viruses; China
Abstract:
... In December 2019, the outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was reported in China with serious impacts on global health and economy that is still ongoing. Although interspecies transmission of coronaviruses is common and well documented, each coronavirus has a narrowly restricted host range. Coronaviruses utilize different receptors to mediate membrane fusion and ...
Diplodia; Dothiorella; Lannea; Lasiodiplodia; Mangifera indica; Neofusicoccum parvum; clearcutting; dominant species; endophytes; host range; host specificity; humans; indigenous species; introduced species; national parks; pathogens; species diversity; trees; South Africa
Abstract:
... Botryosphaeriaceae represents a diverse family of fungi with a cosmopolitan distribution and a wide host range. We studied species diversity and overlap of Botryosphaeriaceae on selected tree species of Anacardiaceae in disturbed (farming or forestry) and undisturbed (isolated and/or protected) ecosystems in the Limpopo and Mpumalanga provinces, South Africa. The disturbed sites resided at Tshikun ...
Willames M.B.S. Martins; Juliana Cino; Michael H. Lenzi; Kirsty Sands; Edward Portal; Brekhna Hassan; Priscila P. Dantas; Roberta Migliavacca; Eduardo A. Medeiros; Ana C. Gales; Mark A. Toleman
Ackermannviridae; Autographiviridae; Klebsiella pneumoniae; Myoviridae; ambient temperature; bacteriophages; drug resistance; genetic variation; host range; humans; pH; pathogens; sewage; transmission electron microscopy; Bangladesh; Brazil; Saudi Arabia; Thailand; United Kingdom
Abstract:
... Bacteriophages (phages) are viruses considered to be natural bacterial predators and widely detected in aquatic environments. Sewage samples are an important source of phage isolation since high density and diversity of bacterial cells are present, due to human, animal and household fluids. This study aims to investigate and characterise phages against an extremely drug-resistant (XDR) lineage, Kl ...
... During the last decade, the European hazelnut (Corylus avellana) has been threatened by several bacterial and fungal infections. In particular, at least four different Pseudomonas species have developed the capability to converge into the same host. However, one of these species, Pseudomonas avellanae, may infect other hosts as well. Here, we newly provide the complete genome sequence of two Pseud ...
... Ecological host range testing complements pre-release fundamental host range testing by offering a more realistic picture of insect host plant use in the field, including spillover risk. The biological control program targeting the weed Schinus terebinthifolia Raddi (Anacardiaceae) first released the flush-feeding thrips Pseudophilothrips ichini (Hood) (Thysanoptera: Phlaeothripidae) in Florida in ...
Severe acute respiratory syndrome coronavirus 2; genetic variation; host range; infectious diseases; issues and policy; mammals; pathogens; risk
Abstract:
... The unusual genetic diversity of the Omicron strain has led to speculation about its origin. The mathematical modelling platform developed for the Stockholm Paradigm (SP) indicates strongly that it has retro‐colonized humans from an unidentified nonhuman mammal, likely originally infected by humans. The relationship between Omicron and all other SARS‐CoV‐2 variants indicates oscillations among hos ...
... A series of greenhouse experiments was conducted to evaluate the effect of Plasmodiophora brassicae virulence on clubroot development and propagation of resting spores in 86 plant species from 19 botanical families. Plants were artificially inoculated with two isolates of P. brassicae, which were virulent on clubroot-resistant oilseed rape cultivar Mendel [pathotype 1; P1 (+)] or avirulent on this ...
... Parasitoids lay their eggs in or on a host, usually another insect. During foraging, parasitoids can encounter insects that differ in terms of host suitability and quality. At one extreme end of this spectrum are non‐hosts that are unsuitable for offspring development. Non‐hosts are generally ignored but parasitization does occur and occasionally also results in egg deposition. Here, the authors i ...