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1. Bacterial diversity and flavor profile of Zha-Chili, a traditional fermented food in China

Author:
Cai, Wenchao; Tang, Fengxian; Wang, Yurong; Zhang, Zhendong; Xue, Yuang; Zhao, Xinxin; Guo, Zhuang; Shan, Chunhui
Source:
Food research international 2021 v.141 pp. 110112
ISSN:
0963-9969
Subject:
Actinobacteria; Lactobacillus; Pediococcus; Pseudomonas; Staphylococcus; Weissella; bacterial communities; community structure; condiments; correlation; electronic nose; electronic tongue; energy; fermentation; fermented foods; flavor; food research; high-throughput nucleotide sequencing; microbiome; odors; phenotype; prediction; sampling; taste; China
Abstract:
... Zha-chili is a traditional Chinese fermented food with special flavor, which is often used as an appetizer in condiments and an important energy source. The final quality of zha-chili is closely related to its microbial community structure. However, the differences of bacterial diversity in zha-chili from different regions and how bacterial species affect zha-chili fermentation process and flavor ...
DOI:
10.1016/j.foodres.2021.110112

2. Dissimilarity in sensory attributes, shelf life and spoilage bacterial and fungal microbiota of industrial-scale wet starch noodles induced by different preservatives and temperature

Author:
Yang, Sha; Shan, Chang-Song; Xu, Yong-Qiang; Jin, Lu; Chen, Zhi-Gang
Source:
Food research international 2021 v.140 pp. 109980
ISSN:
0963-9969
Subject:
Aspergillus; Penicillium; Pseudomonas; bacteria; bacterial communities; correlation; deterioration; environmental factors; food research; information; microbial growth; molds (fungi); noodles; pH; preservatives; sampling; sensory evaluation; sensory properties; shelf life; sodium; spoilage; spoilage fungi; starch; storage; temperature; yeasts
Abstract:
... Shelf life, storage stability and microbial growth of wet starch noodles during storage were investigated, and spoilage microbiota was also analyzed to further reveal the decisive factor shaping the microbial community. Sensory analysis and microbiological results indicated that starch noodles treated with sodium dehydroacetate and stored at 4 °C could effectively delay the moldy decay and extend ...
DOI:
10.1016/j.foodres.2020.109980

3. Involvement of Enterococcus species in streptococcosis of Nile tilapia in Bangladesh

Author:
Akter, Tasmina; Foysal, Md Javed; Alam, Mahbubul; Ehsan, Rakib; Paul, Sulav Indra; Momtaz, Farhana; Siddik, Muhammad A.B.; Tay, Alfred Chin Yen; Fotedar, Ravi; Gupta, Sanjay Kumar; Islam, Tofazzal; Rahman, Md Mahbubur
Source:
Aquaculture 2021 v.531 pp. 735790
ISSN:
0044-8486
Subject:
Aeromonas; Enterococcus faecalis; Enterococcus faecium; Enterococcus hirae; Leifsonia; Oreochromis niloticus; Photobacterium; Pseudomonas; bacterial communities; digestive system; etiological agents; fingerlings; fish diseases; metagenomics; mortality; pathogenicity; phylogeny; ponds; ribosomal DNA; ribosomal RNA; skin lesions; summer; Bangladesh
Abstract:
... This study investigated the diversity of bacterial community in healthy and streptococcosis infected Nile tilapia (Oreochromis niloticus) to identify the primary causative agents associated with the disease using metagenomics, phylogenetic analysis and in vivo challenge test. A total of 24 fishes, both healthy and diseased were collected during summer from three different districts and six differe ...
DOI:
10.1016/j.aquaculture.2020.735790

4. Effect of water extracts from Cynanchum thesioides (Freyn) K. Schum. on visceral hypersensitivity and gut microbiota profile in maternally separated rats

Author:
Lingpeng, Pei; Jingzhu, Song; Wei, Liu; Enqi, Wu; Yaqin, Ling
Source:
Journal of ethnopharmacology 2021 v.264 pp. 113352
ISSN:
0378-8741
Subject:
Clostridium; Cynanchum; Elusimicrobium; Pseudomonas; animal models; anti-inflammatory activity; bacterial communities; chemical constituents of plants; flavonoids; gastrointestinal system; hypersensitivity; intestinal microorganisms; irritable bowel syndrome; laboratory animals; rats; ribosomal RNA; traditional medicine
Abstract:
... Irritable bowel syndrome (IBS) is a chronic, stress-related, functional gastrointestinal disorder characterized by abdominal discomfort and altered bowel habits; the manipulation of the microbiota is emerging as a promising therapeutic option for IBS. Cynanchum thesioides (CT) is an herb of traditional Mongolian medicine that has been employed in treating abdominal pain and diarrhea for hundreds o ...
DOI:
10.1016/j.jep.2020.113352

5. Characterization of spoilage bacterial communities in chilled duck meat treated by kojic acid

Author:
Hou, Wenfu; Yue, Qiqi; Liu, Wen; Wu, Ji; Yi, Yang; Wang, Hongxun
Source:
Food science and human wellness 2021 v.10 no.1 pp. 72-77
ISSN:
2213-4530
Subject:
Brochothrix; Pseudomonas; antibacterial properties; antibiotics; bacteria; bacterial communities; cold storage; community structure; drug resistance; duck meat; food contamination; food pathogens; food spoilage; kojic acid; microbiological quality; sensory properties; shelf life; spoilage bacteria; storage temperature; total volatile basic nitrogen; China
Abstract:
... Chilled duck meat is a popularly consumed meat in China but easily perishes at room/low temperature. Kojic acid is usually used as an antimicrobial. This study investigated the sensory scores, total bacteria number, and total volatile base nitrogen (TVB-N) value of chilled duck meat under kojic acid treatment during storage. The results presented that kojic acid suppressed the growth of spoilage b ...
DOI:
10.1016/j.fshw.2020.05.015

6. Bacterial Succession through the Artisanal Process and Seasonal Effects Defining Bacterial Communities of Raw-Milk Adobera Cheese Revealed by High Throughput DNA Sequencing

Author:
Ruvalcaba-Gómez, José M.; Delgado-Macuil, Raúl J.; Zelaya-Molina, Lily X.; Maya-Lucas, Otoniel; Ruesga-Gutiérrez, Edmundo; Anaya-Esparza, Luis M.; Villagrán-de la Mora, Zuamí; López-de la Mora, David A.; Arteaga-Garibay, Ramón I.
Source:
Microorganisms 2020 v.9 no.1
ISSN:
2076-2607
Subject:
Acinetobacter; Enterobacteriaceae; Lactobacillus; Lactococcus; Pseudomonas; RNA libraries; Streptococcus; amino acids; bacteria; bacterial communities; carbohydrate metabolism; cheesemaking; cheeses; community structure; ecological succession; high-throughput nucleotide sequencing; lactic acid; lipids; manufacturing; population; raw milk; sampling; seasonal variation; seasons; standardization; traditional technology
Abstract:
... The bacterial community of the artisanal Adobera cheese from Los Altos de Jalisco was described through high-throughput sequencing of 16S rRNA gene libraries. Samples were collected in two different seasons (dry and rainy) during four key steps of the manufacturing process (raw milk, fresh curd, matured curd, and cheese). Bacterial diversity was higher in early steps in comparison with the final e ...
DOI:
10.3390/microorganisms9010024

7. Bacterial community characterization of the rhizobiome of plants belonging to Solanaceae family cultivated in desert soils

Author:
Barraza, Aarón; Caamal-Chan, María Goretty; Castellanos, Thelma; Loera-Muro, Abraham
Source:
Annals of microbiology 2020 v.70 no.1 pp. 34
ISSN:
1590-4261
Subject:
Capsicum annuum; DNA; Pseudomonas; Solanum lycopersicum; bacterial communities; community structure; crops; desert soils; dry environmental conditions; endophytes; hot peppers; nutrition; plant health; rhizoplane; sequence analysis; tomatoes; Mexico
Abstract:
... PURPOSE: The plant Solanaceae family is one of the most important for global agriculture and nutrition. Within this plant family, two plant species stand out for their economic importance and for human consumption, which are tomato (Solanum lycopersicum) and chili pepper (Capsicum annuum). Moreover, those plants support diverse and characteristic microbial communities that are uniquely suited to t ...
DOI:
10.1186/s13213-020-01572-x

8. Bacterial community characterization of the rhizobiome of plants belonging to Solanaceae family cultivated in desert soils

Author:
Barraza, Aarón; Caamal-Chan, María Goretty; Castellanos, Thelma; Loera-Muro, Abraham
Source:
Annals of microbiology 2020 v.70 no.1 pp. 34
ISSN:
1590-4261
Subject:
Capsicum annuum; DNA; Otus; Pseudomonas; Solanum lycopersicum; agriculture; bacterial communities; community structure; crops; desert soils; dry environmental conditions; endophytes; genes; hot peppers; humans; microbiology; nutrition; plant health; rhizoplane; sampling; technology; tomatoes; Mexico
Abstract:
... PURPOSE: The plant Solanaceae family is one of the most important for global agriculture and nutrition. Within this plant family, two plant species stand out for their economic importance and for human consumption, which are tomato (Solanum lycopersicum) and chili pepper (Capsicum annuum). Moreover, those plants support diverse and characteristic microbial communities that are uniquely suited to t ...
DOI:
10.1186/s13213-020-01572-x

9. Dynamics of fermentation profile and bacterial community of silage prepared with alfalfa, whole-plant corn and their mixture

Author:
Wang, Musen; Franco, Marcia; Cai, Yimin; Yu, Zhu
Source:
Animal feed science and technology 2020 v.270 pp. 114702
ISSN:
0377-8401
Subject:
Enterobacter; Lactobacillus; Leuconostoc; Pantoea; Pediococcus; Pseudomonas; Weissella; acetic acid; alfalfa; alfalfa silage; ammonium nitrogen; bacteria; bacterial communities; community structure; corn; corn silage; forage; milk; mixing; mixing ratio; pH; propionic acid; silage fermentation; silos; total nitrogen
Abstract:
... Silage fermentation improves when alfalfa is ensiled along with whole-plant corn, yet so far the impact of their mixing ratios on individual bacteria during fermentation is weakly described. The objective of this work was to explore the effect of combining alfalfa with whole-plant corn in different ratios on silage bacterial community and fermentation profile over the entire ensiling process. The ...
DOI:
10.1016/j.anifeedsci.2020.114702

10. Effects of continuous cropping of sugar beet (Beta vulgaris L.) on its endophytic and soil bacterial community by high-throughput sequencing

Author:
Li, Miao; Yang, Fuzhen; Wu, Xianyu; Yan, Hai; Liu, Yang
Source:
Annals of microbiology 2020 v.70 no.1 pp. 39
ISSN:
1590-4261
Subject:
Achromobacter; Acinetobacter; Beta vulgaris; Halomonas; Leuconostoc; Nesterenkonia; Nocardioides; Pantoea; Pseudomonas; Sphingomonas; Stenotrophomonas; Weissella; bacterial communities; community structure; continuous cropping; endophytes; feeds; high-throughput nucleotide sequencing; nutrients; plant growth; planting; rhizosphere; seeds; soil; soil bacteria; soil fertility; soil sampling; strontium; sugar beet; sugar crops; sugar industry; tin
Abstract:
... PURPOSE: As a major sugar crop, sugar beet (Beta vulgaris L.) plays an important role in both sugar industry and feed products. Soil, acts as the substrate for plant growth, provides not only nutrients to plants but also a habitat for soil microorganisms. High soil fertility and good micro-ecological environment are basic requirements for obtaining high-yield and high-sugar sugar beets. This study ...
DOI:
10.1186/s13213-020-01583-8

11. Response of soil bacterial communities to polycyclic aromatic hydrocarbons during the phyto-microbial remediation of a contaminated soil

Author:
Miao, Renhui; Guo, Meixia; Zhao, Xuyang; Gong, Zongqiang; Jia, Chunyun; Li, Xiaojun; Zhuang, Jie
Source:
Chemosphere 2020 v.261 pp. 127779
ISSN:
0045-6535
Subject:
Flavobacterium; Glycine max; Lolium multiflorum; Pseudomonas; bacterial communities; community structure; dynamics; genes; grasses; molecular weight; oxygenases; polluted soils; polycyclic aromatic hydrocarbons; quantitative polymerase chain reaction; remediation; rhizosphere; soil bacteria; soybeans; strains
Abstract:
... Rhizo-box experiments were conducted to analyze the phyto-microbial remediation potential of a grass (Lolium multiflorum L.) and a crop (Glycine max L.) combined with exogenous strain (Pseudomonas sp.) for polycyclic aromatic hydrocarbons (PAHs) contaminated soils. The dynamics of bacterial community composition, abundances of 16 S rDNA and ring hydroxylating dioxygenases (RHDα) genes, and removal ...
DOI:
10.1016/j.chemosphere.2020.127779

12. The microbial community of a biofilm lining the wall of a pristine cave in Western New Guinea

Author:
Turrini, Paolo; Tescari, Marco; Visaggio, Daniela; Pirolo, Mattia; Lugli, Gabriele Andrea; Ventura, Marco; Frangipani, Emanuela; Visca, Paolo
Source:
Microbiological research 2020 v.241 pp. 126584
ISSN:
0944-5013
Subject:
Acidobacteria; Actinobacteria; Firmicutes; Pseudomonas; anti-infective agents; antibacterial properties; antibiotic resistance; antibiotic resistance genes; bacterial communities; biofilm; caves; karsts; metagenomics; microorganisms; prediction; ribosomal RNA; rivers; secondary metabolites; sequence analysis; New Guinea
Abstract:
... Caves are extreme environments inhabited by microbial communities adapted to thrive oligotrophic conditions. Cave microbes are organised in complex ecological networks and have developed survival strategies involving the production and release of a large variety of secondary metabolites, including antibiotic-like compounds. In this study, the structure and the metabolic features of a biofilm-like ...
DOI:
10.1016/j.micres.2020.126584

13. Comparison of the Performance and Microbial Community Structure of Two Outdoor Pilot-Scale Photobioreactors Treating Digestate

Author:
Bani, Alessia; Parati, Katia; Pozzi, Anna; Previtali, Cristina; Bongioni, Graziella; Pizzera, Andrea; Ficara, Elena; Bellucci, Micol
Source:
Microorganisms 2020 v.8 no.11
ISSN:
2076-2607
Subject:
Calothrix; Chlamydomonas; Chlorella; DNA barcoding; Pseudomonas; Scenedesmus; administrative management; autumn; bacterial communities; biomass production; climatic factors; dynamics; light intensity; liquids; microalgae; microorganisms; nitrification; nitrogen compounds; photobioreactors; predation; quantitative polymerase chain reaction; summer; temperature
Abstract:
... This study aimed at examining and comparing the nutrient removal efficiency, biomass productivity and microbial community structure of two outdoor pilot-scale photobioreactors, namely a bubble column and a raceway pond, treating the liquid fraction of an agricultural digestate. Bacterial and eukaryotic communities were characterized using a metabarcoding approach and quantitative PCR. The abundanc ...
DOI:
10.3390/microorganisms8111754

14. Effects of Saccharomycopsis fibuligera and Saccharomyces cerevisiae inoculation on small fermentation starters in Sichuan-style Xiaoqu liquor

Author:
Su, Chang; Zhang, Kai-Zheng; Cao, Xin-Zhi; Yang, Jian-Gang
Source:
Food research international 2020 v.137 pp. 109425
ISSN:
0963-9969
Subject:
Bacillus (bacteria); Bacteroides; Clostridium; Escherichia; Lactobacillus; Pseudomonas; Saccharomyces cerevisiae; Saccharomycopsis fibuligera; Shigella; Weissella; acidity; aldehydes; bacteria; bacterial communities; bioaugmentation; community structure; distilled spirits; enzyme activity; ethanol; fermentation; flavor; glucan 1,4-alpha-glucosidase; grains; heterocyclic compounds; high-throughput nucleotide sequencing; ketones; markets; principal component analysis; starter cultures; taste; yeasts; China
Abstract:
... Xiaoqu liquor is a type of distilled spirit in China prepared on a small scale from a small solid starter culture. Although this liquor is popular in southwestern China, it can have a dull taste, limiting its market. To improve the flavour profile of Xiaoqu liquor, we selected two functional yeast strains (Saccharomycopsis fibuligera and Saccharomyces cerevisiae) from Zaopei (fermented grain) of B ...
DOI:
10.1016/j.foodres.2020.109425

15. Within-population diversity of bacterial microbiomes in winter ticks (Dermacentor albipictus)

Author:
Sperling, Janet; MacDonald, Zachary; Normandeau, Jacalyn; Merrill, Evelyn; Sperling, Felix; Magor, Katharine
Source:
Ticks and tick-borne diseases 2020 v.11 no.6 pp. 101535
ISSN:
1877-959X
Subject:
Acinetobacter; Cervus canadensis nelsoni; Dermacentor albipictus; Ehrlichia; Pseudomonas; Streptococcus; bacterial communities; elks; endosymbionts; females; hematophagy; hosts; males; microbiome; nymphs; ribosomal RNA; sequence analysis; tick-borne diseases; ticks; winter; Alberta
Abstract:
... The bacterial microbiome of ticks is notoriously diverse, but the factors leading to this diversity are poorly understood. We sequenced bacterial 16S rRNA amplicons from individual winter ticks, Dermacentor albipictus, to assess whether their one-host life cycle is associated with reduced bacterial diversity. On average, about 100 bacterial genera were found for individual ticks. Francisella-like ...
DOI:
10.1016/j.ttbdis.2020.101535

16. Definition of Core Bacterial Taxa in Different Root Compartments of Dactylis glomerata, Grown in Soil under Different Levels of Land Use Intensity

Author:
Estendorfer, Jennifer; Stempfhuber, Barbara; Vestergaard, Gisle; Schulz, Stefanie; Rillig, Matthias C.; Joshi, Jasmin; Schröder, Peter; Schloter, Michael
Source:
Diversity 2020 v.12 no.10
ISSN:
1424-2818
Subject:
Bradyrhizobium; DNA barcoding; Dactylis glomerata; Pseudomonas; Rhizobium; Rhodoplanes; bacteria; bacterial communities; community structure; grasslands; land use; microbiome; phytobiome; plant development; prediction; rhizosphere; ribosomal RNA; soil properties
Abstract:
... Plant-associated bacterial assemblages are critical for plant fitness. Thus, identifying a consistent plant-associated core microbiome is important for predicting community responses to environmental changes. Our target was to identify the core bacterial microbiome of orchard grass Dactylis glomerata L. and to assess the part that is most sensitive to land management. Dactylis glomerata L. samples ...
DOI:
10.3390/d12100392

17. Changes in rhizobacterial community mediating atrazine dissipation by arbuscular mycorrhiza

Author:
Fan, Xiaoxu; Chang, Wei; Sui, Xin; Liu, Yufei; Song, Ge; Song, Fuqiang; Feng, Fujuan
Source:
Chemosphere 2020 v.256 pp. 127046
ISSN:
0045-6535
Subject:
Arthrobacter; Bosea; Bradyrhizobium; Burkholderia; Methylobacterium; Mycobacterium; Nocardioides; Pseudomonas; Rhizobium; Rhodobacter; Streptomyces; alkaline phosphatase; atrazine; bacterial communities; enzyme activity; mycorrhizal fungi; sequence analysis; soil; soil bacteria; soil enzymes; urease; vesicular arbuscular mycorrhizae
Abstract:
... Although it was well known that arbuscular mycorrhizal fungus (AMF) inoculation significantly increased atrazine dissipation in the soil, the effect of AMF on bacterial community, especially potential atrazine-degrading bacteria mediating atrazine dissipation has been overlooked. In the present study, there were four different treatments: Funnelliformis mosseae inoculation with or without atrazine ...
DOI:
10.1016/j.chemosphere.2020.127046

18. The Effects of Organic and Mineral Fertilization on Soil Enzyme Activities and Bacterial Community in the Below- and Above-Ground Parts of Wheat

Author:
Amadou, Abdoulaye; Song, Alin; Tang, Zhi-Xi; Li, Yanling; Wang, En-Zhao; Lu, Yu-Qiu; Liu, Xiong-Duo; Yi, Keke; Zhang, Bin; Fan, Fenliang
Source:
Agronomy 2020 v.10 no.10
ISSN:
2073-4395
Subject:
Chitinophagaceae; Citrobacter; Hymenobacter; Microbacterium; Pantoea; Pseudomonas; Triticum aestivum; acid phosphatase; aerial parts; bacterial communities; biochar; community structure; enzyme activity; fertilizer application; mineral fertilizers; phenol; phosphorus; plant organs; potassium; rhizosphere; roots; soil; soil enzymes; soil microorganisms; spikelets; total nitrogen; wheat
Abstract:
... Bacterial community and soil enzymatic activity depend on soil and management conditions. Fertilization is an important approach to maintain and enhance enzyme activities and microbial community diversity. Although the effects of fertilizer application on soil microbial community and related parameters are explored, the effects on the soil microbiome associated with those of wheat plant organs, in ...
DOI:
10.3390/agronomy10101452

19. Greywater: Understanding biofilm bacteria succession, pollutant removal and low sulfide generation in small diameter gravity sewers

Author:
Zheng, Tianlong; Li, Wenkai; Ma, Yingqun; Liu, Junxin; Ren, Junpeng
Source:
Journal of cleaner production 2020 v.268 pp. 122426
ISSN:
0959-6526
Subject:
Bacteroidetes; Enterobacter; Pseudomonas; bacterial communities; biofilm; chemical oxygen demand; denitrifying bacteria; dissolved oxygen; gravity; greywater; nitrogen; phosphorus; plate count; pollutants; pollution control; polymerase chain reaction; recycling; sewer systems; sulfate-reducing bacteria; sulfides; sustainable development; wastewater treatment
Abstract:
... Separate collection of greywater by small diameter gravity sewers (SDGS) has been widely used to achieve greywater treatment and recycling. Bacteria in SDGS biofilms might have the ability to pretreat pollutant and generate sulfide causing impacts on sewer operation. In this study, SDGS reactors coupled with quantitative polymerase chain reactions and Illumina sequencing were operated for ninety d ...
DOI:
10.1016/j.jclepro.2020.122426

20. Investigation of nitrogen pollutants transformation and its pathways along the long-distance prechlorinated raw water distribution system

Author:
Shen, Zhen; Wang, Yueting; Chen, Wei; Xu, Hang; Zhang, Lei; Lin, Chenshuo; Lin, Tao; Tao, Hui; Mei, Caihua; Lu, Chunhui
Source:
Chemosphere 2020 v.255 pp. 126833
ISSN:
0045-6535
Subject:
Planctomycetes; Pseudomonas; Sphingomonas; ammonium nitrogen; anaerobic ammonium oxidation; bacterial communities; biofilm; community structure; correlation; denitrification; dissolved organic nitrogen; environmental factors; genes; nitrates; nitrites; pollutants; research; water; water distribution; water quality
Abstract:
... Understanding the transformation pattern of nitrogen (N) pollutants and its pathways in the prechlorinated raw water distribution system (PRWDS) is vital for controlling the stablitiy and safety of raw water qulity. This study investigated the N transformation, N functional genes and their correlations to find the N transformation pathways along the PRWDS. Results suggested that simultaneous nitri ...
DOI:
10.1016/j.chemosphere.2020.126833