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1. Comparative Genomics of Fusarium circinatum Isolates Used to Screen Southern Pines for Pitch Canker Resistance

Author:
James C. Fulton; Pei-Ling Yu; Katherine E. Smith; Jose C. Huguet-Tapia; Owen Hudson; April Meeks; Tania Quesada; Kathleen McKeever; Jeremy T. Brawner
Source:
Molecular plant-microbe interactions 2022 v.35 no.6 pp. 477-487
ISSN:
1943-7706
Subject:
Fusarium circinatum; Pinus elliottii; Pinus taeda; disease severity; fungi; genes; genetic variation; genomics; mortality; pathogens; slash; virulence; Florida
Abstract:
... Pitch canker, caused by the fungal pathogen Fusarium circinatum, is a global disease affecting many Pinus spp. Often fatal, this disease causes significant mortality in both commercially grown and natural pine forests and is an issue of current and growing concern. F. circinatum isolates collected from three locations in the U.S. state of Florida were shown to be virulent on both slash and lobloll ...
DOI:
10.1094/MPMI-10-21-0247-R

2. Pine species determine fungal microbiome composition in a common garden experiment

Author:
Carmen Romeralo; Jorge Martín-García; Pablo Martínez-Álvarez; E. Jordán Muñoz-Adalia; Danilo Reis Gonçalves; Esteban Torres; Johanna Witzell; Julio Javier Diez
Source:
Fungal ecology 2022 v.56 pp. 101137
ISSN:
1754-5048
Subject:
Fusarium circinatum; Pinus nigra; Pinus pinaster; Pinus radiata; Pinus sylvestris; Pinus uncinata; community structure; fungal communities; fungi; hosts; interspecific variation; microbiome; pathogens; satellites; trees
Abstract:
... The factors shaping the composition of microbial communities in trees remain poorly understood. We evaluated whether the core and satellite fungal communities in five pine species (Pinus radiata, Pinus pinaster, Pinus sylvestris, Pinus nigra, and Pinus uncinata) were shaped by the host species identity. Because the trees had earlier been inoculated with a fungal pathogen (Fusarium circinatum), we ...
DOI:
10.1016/j.funeco.2021.101137

3. Susceptibility of germinating seedlings of European and Eurasian populations of Pinus sylvestris to damping‐off caused by fusarium circinatum

Author:
Steve Woodward; J. Asdrubel Flores‐Pacheco; E. Jordán Muñoz‐Adalia; Pablo Martínez‐Álvarez; Jorge Martín‐García; Julio J. Diez
Source:
Forest pathology 2022 v.52 no.4 pp. e12749
ISSN:
1437-4781
Subject:
Fusarium circinatum; Pinus sylvestris; composts; damping off; death; forests; germination; inoculum; pathogens; plumule; spores; Eurasia; Scotland
Abstract:
... The effect of inoculation with Fusarium circinatum on survival of seed and seedlings of 19 populations of Pinus sylvestris was examined under environmentally controlled conditions, with four treatments (0, 50, 10³, 10⁶ spores ml⁻¹). A single seed source of P. radiata was included as a positive control. Germination (emergence of the plumule above the compost) and health of seedlings was assessed da ...
DOI:
10.1111/efp.12749

4. Co-Infections by Fusarium circinatum and Phytophthora spp. on Pinus radiata: Complex Phenotypic and Molecular Interactions

Author:
Francesco Aloi; Cristina Zamora-Ballesteros; Jorge Martín-García; Julio J. Diez; Santa Olga Cacciola
Source:
Plants 2021 v.10 no.10 pp. -
ISSN:
2223-7747
Subject:
Fusarium circinatum; Phytophthora; Pinus radiata; chitinase; genes; mixed infection; pathogens; phenotype; phenylalanine ammonia-lyase; pyruvate decarboxylase; synergism; transcriptomics
Abstract:
... This study investigated the complex phenotypic and genetic response of Monterey pine (Pinus radiata) seedlings to co-infections by F. circinatum, the causal agent of pine pitch canker disease, and the oomycetes Phytophthora xcambivora and P. parvispora. Monterey pine seedlings were wound-inoculated with each single pathogen and with the combinations F. circinatum/P. xcambivora and F. circinatum/P. ...
DOI:
10.3390/plants10101976

5. Comparative proteomics of Pinus–Fusarium circinatum interactions reveal metabolic clues to biotic stress resistance

Author:
Joana Amaral; Laura Lamelas; Luis Valledor; María Ángeles Castillejo; Artur Alves; Glória Pinto
Source:
Physiologia plantarum 2021 v.173 no.4 pp. 2142-2154
ISSN:
0031-9317
Subject:
Fusarium circinatum; Pinus pinea; Pinus radiata; abscisic acid; amino acids; biotic stress; chloroplasts; epigenetics; gene expression regulation; homeostasis; immune response; metabolism; pathogens; proteome; proteomics; stress tolerance
Abstract:
... Fusarium circinatum, causing pine pitch canker (PPC), affects conifers productivity and health worldwide. Selection and breeding for resistance arises as the most promising approach to fight PPC. Therefore, it is crucial to explore the response of hosts with varying levels of susceptibility to PPC to unveil the genes/pathways behind these phenotypes. We evaluated the dynamics of the needle proteom ...
DOI:
10.1111/ppl.13563

6. Deciphering the effect of FUB1 disruption on fusaric acid production and pathogenicity in Fusarium circinatum

Author:
M.M. Phasha; B.D. Wingfield; M.J. Wingfield; M.P.A. Coetzee; A. Hammerbacher; E.T. Steenkamp
Source:
Fungal biology 2021 v.125 no.12 pp. 1036-1047
ISSN:
1878-6146
Subject:
Fusarium circinatum; Pinus patula; biosynthesis; fungi; fusaric acid; multigene family; mutants; mycology; pathogenesis; pathogens; polyketide synthases; transcription factors; virulence
Abstract:
... Fusarium circinatum is an important pathogen of pine trees. However, little is known regarding the molecular processes underlying its pathogenesis. We explored the potential role of the phytotoxin fusaric acid (FA) in the pathogenicity of the fungus. FA is produced by products of the FUB biosynthesis gene cluster, containing FUB1-12. Of these, FUB1 encodes the core polyketide synthase, which we di ...
DOI:
10.1016/j.funbio.2021.07.002

7. Influence of Temperature and Moisture Duration on Pathogenic Life History Traits of Predominant Haplotypes of Fusarium circinatum on Pinus spp. in Spain

Author:
Margarita Elvira-Recuenco; Valentín Pando; Mónica Berbegal; Aranzazu Manzano Muñoz; Eugenia Iturritxa; Rosa Raposo
Source:
Phytopathology 2021 v.111 no.11 pp. 2002-2009
ISSN:
0031-949X
Subject:
Fusarium circinatum; Pinus pinaster; Pinus radiata; disease severity; fungi; haplotypes; hyphae; life history; melanization; mycelium; pathogens; plant pathology; spore germination; sporulation; temperature; virulence; Portugal; Spain
Abstract:
... Pathogen life history traits influence epidemic development and pathogen adaptive ability to interact with their hosts in different environments. Reduced traits variation may compromise pathogen evolutionary potential, which is particularly important for introduced pathogens. Fusarium circinatum (cause of pine pitch canker) is an invasive fungal pathogen in Europe, with current distribution restri ...
DOI:
10.1094/PHYTO-10-20-0445-R

8. Initial growth results comparing first generation F1 and advanced-generation F2 Pinus patula × Pinus tecunumanii interspecific hybrid families

Author:
André Nel; Juan J Acosta; Gary R Hodge
Source:
Southern forests 2021 v.83 no.2 pp. 170-176
ISSN:
2070-2639
Subject:
Fusarium circinatum; Pinus patula; Pinus tecunumanii; altitude; field experimentation; hybrids; mortality; progeny; seed yield; wood; South Africa
Abstract:
... The hybrid between Pinus patula and P. tecunumanii low elevation (PPTL) and high elevation (PPTH) sources was developed in the 1990s in South Africa and commercialised during the 2000s in response to high post-establishment mortality of P. patula caused by Fusarium circinatum. The growth and wood properties for these hybrids are also superior to the parental species. This study describes an experi ...
DOI:
10.2989/20702620.2021.1926370

9. Ras2 is important for growth and pathogenicity in Fusarium circinatum

Author:
M.M. Phasha; M.J. Wingfield; B.D. Wingfield; M.P.A. Coetzee; H. Hallen-Adams; F. Fru; B.S. Swalarsk-Parry; N. Yilmaz; T.A. Duong; E.T. Steenkamp
Source:
Fungal genetics and biology 2021 v.150 pp. 103541
ISSN:
1087-1845
Subject:
Fusarium circinatum; Pinus patula; complement; conidia; fungi; gene targeting; genes; geographical distribution; germination; microbial genetics; mutants; pathogenicity; protoplasts
Abstract:
... In this study, we investigated to possible role of Ras2 in Fusarium circinatum- a fungus that causes pine pitch canker disease on many different pine species and has a wide geographic distribution. This protein is encoded by the RAS2 gene and has been shown to control growth and pathogenicity in a number of fungi in a mitogen-activated protein kinase- and/or cyclic adenosyl monophosphate pathway-d ...
DOI:
10.1016/j.fgb.2021.103541

10. Spontaneous changes in somatic compatibility in Fusarium circinatum

Author:
Thomas R. Gordon; Peter M. Henry; Bradley N. Jenner; Jeness C. Scott
Source:
Fungal biology 2021 v.125 no.9 pp. 725-732
ISSN:
1878-6146
Subject:
Fusarium circinatum; alleles; genomics; hyphae; mycology; phenotypic plasticity; plasmids; sexual reproduction; spontaneous mutation
Abstract:
... Filamentous fungi grow by the elaboration of hyphae, which may fuse to form a network as a colony develops. Fusion of hyphae can occur between genetically different individuals, provided they share a common allele at loci affecting somatic compatibility. Diversity in somatic compatibility phenotypes reduces the frequency of hyphal fusion in a population, thereby slowing the spread of deleterious g ...
DOI:
10.1016/j.funbio.2021.04.008

11. Tolerance of 2-Benzoxazolinone and Interactions with Grass and Pine Hosts in a Population of Fusarium circinatum

Author:
Jason W. Carter; Thomas R. Gordon
Source:
Plant disease 2021 v.105 no.12 pp. 3880-3888
ISSN:
0191-2917
Subject:
Fusarium circinatum; Pinus radiata; Zea mays; culture media; endophytes; grasses; pathogenicity; progeny
Abstract:
... Fusarium circinatum, the causal agent of pitch canker in pines and a cryptic endophyte of grasses, was examined for heritable variation in tolerance of the grass defense compound 2-benzoxazolinone (BOA). A diverse population of F. circinatum progeny was assayed for growth rate on potato dextrose agar amended with BOA. Matings were conducted to allow for selection of progeny with lower and higher t ...
DOI:
10.1094/PDIS-01-21-0203-RE

12. Assessment of molecular detection of Fusarium circinatum in insects and passive spore traps in Pinus radiata plantations

Author:
Jaime Aguayo; Céline Fourrier‐Jeandel; Xavier Capdevielle; Fabrice Vétillard; Dominique Piou; Eugenia Iturritxa; Cécile Robin
Source:
Forest pathology 2020 v.50 no.1 pp. e12574
ISSN:
1437-4781
Subject:
Fusarium circinatum; Pinus radiata; bark beetles; coniferous forests; experimental design; fungi; insect flight; insect vectors; monitoring; pathogens; plantations; spore dispersal; spore traps; wind; Portugal; Spain
Abstract:
... Fusarium circinatum is the causal agent of pitch canker, a destructive disease that threatens natural and planted pine forests around the world. Although pitch canker has caused problems in Spain and Portugal, concerning Europe as a whole, the fungus is not established across the pine distribution area. Its dispersion by wind and/or insect vectors could nevertheless play a role in the colonization ...
DOI:
10.1111/efp.12574

13. Biological control potential of ectomycorrhizal fungi against Fusarium circinatum on Pinus patula seedlings

Author:
Veronique Chartier-FitzGerald; Joanna Felicity Dames; Greer Hawley
Source:
Biocontrol science and technology 2020 v.30 no.8 pp. 818-829
ISSN:
1360-0478
Subject:
Boletus edulis; Eucalyptus; Fusarium circinatum; Lactarius; Pinus patula; Suillus granulatus; basidiomata; beneficial microorganisms; biological control; disease resistance; ectomycorrhizae; explants; forest industries; internal transcribed spacers; introduced plants; mycorrhizal fungi; pathogens; polymerase chain reaction; ribosomal DNA; seedling growth; seedlings; sequence analysis; South Africa
Abstract:
... The South Africa forestry industry, covering ∼1.3 million hectares, is dependent on exotic pine and Eucalyptus species. Nursery seedlings are not inoculated with ectomycorrhizal (ECM) fungi or other beneficial microbes. Fusarium circinatum is an economically important pathogen affecting seedling survival. The purpose of this investigation was to assess the effects of ectomycorrhizal fungal inocula ...
DOI:
10.1080/09583157.2020.1771542

14. Compost Tea Reduces the Susceptibility of Pinus radiata to Fusarium circinatum in Nursery Production

Author:
M. Otero; I. Salcedo; K. Txarterina; C. González-Murua; M. K. Duñabeitia
Source:
Phytopathology 2020 v.110 no.4 pp. 813-821
ISSN:
0031-949X
Subject:
Fusarium circinatum; Pinus radiata; biofertilizers; compost extracts; conidia; disease susceptibility; fertilizer application; forestry; gene expression; germination; greenhouses; in vitro studies; mineral fertilizers; mycelium; naringenin-chalcone synthase; nitrogen; nutrition; pathogenesis-related proteins; phenylalanine; phenylalanine ammonia-lyase; plant growth; plant pathogens; salicylic acid; seedlings; stems; tissues; vigor
Abstract:
... Nutrition is one of the factors that most limits forestry plant growth; thus, current production in nurseries is based on conventional fertilization focused on enhancing vigor. However, an excessive intake of mineral nitrogen can cause morphological imbalances and the formation of more succulent tissues which, consequently, increase susceptibility to plant pathogens. Fusarium circinatum is the cau ...
DOI:
10.1094/PHYTO-04-19-0139-R

15. Grasses as a refuge for Fusarium circinatum L. – evidence from South Africa

Author:
Darryl A Herron; Michael J Wingfield; Felix Fru; Brenda D Wingfield; Emma T Steenkamp
Source:
Southern forests 2020 v.82 no.3 pp. 253-262
ISSN:
2070-2639
Subject:
Fusarium circinatum; Pinus patula; Pinus radiata; administrative management; aggression; forests; fungi; genotype; grasses; inoculum; mating types; nursery stock; pathogens; plantations; planting; quarantine; screening; seedlings; soil; trays; trees; water; South Africa
Abstract:
... Fusarium circinatum L. is an important pathogen in countries that grow and manage Pinus species. Approximately 50% or 600 000 ha of South Africa’s commercial plantations are planted to Pinus spp. and some of these are threatened by this fungus. Contaminated plants, planting trays, soil and water can all act as sources of inoculum. In this study, we considered the role of grasses as a possible sour ...
DOI:
10.2989/20702620.2020.1813649

16. Infection of the Native California Grass, Bromus carinatus, by Fusarium circinatum, the Cause of Pitch Canker in Pines

Author:
Jason W. Carter; Thomas R. Gordon
Source:
Plant disease 2020 v.104 no.1 pp. 194-197
ISSN:
0191-2917
Subject:
Bromus carinatus; Fusarium circinatum; Holcus lanatus; Pinus muricata; Pinus radiata; fluorescence; fungal diseases of plants; grasses; growth chambers; hyphae; indigenous species; leaves; pathogenicity; plant pathogenic fungi; spores; trees; ultraviolet radiation; California
Abstract:
... At Point Reyes National Seashore in California, Fusarium circinatum, the causal agent of pitch canker in pines, was isolated from Pinus muricata, the California native grass, Bromus carinatus, and the introduced grass, Holcus lanatus. All grass plants from which F. circinatum was isolated were symptomless. Pathogenicity of grass isolates was confirmed by inoculation of P. radiata trees, which deve ...
DOI:
10.1094/PDIS-04-19-0800-RE

17. Residual Effects Caused by a Past Mycovirus Infection in Fusarium circinatum

Author:
Cristina Zamora-Ballesteros; Brenda D. Wingfield; Michael J. Wingfield; Jorge Martín-García; Julio J. Diez
Source:
Forests 2020 v.12 no.1 pp. -
ISSN:
1999-4907
Subject:
Fusarium circinatum; RNA; amino acid metabolism; cell cycle; fungi; humans; mycoviruses; residual effects; storage time; transcriptome; virulent strains
Abstract:
... Mycoviruses are known to be difficult to cure in fungi but their spontaneous loss occurs commonly. The unexpected disappearance of mycoviruses can be explained by diverse reasons, from methodological procedures to biological events such as posttranscriptional silencing machinery. The long-term effects of a virus infection on the host organism have been well studied in the case of human viruses; ho ...
DOI:
10.3390/f12010011

18. Effect of Trichoderma viride pre‐inoculation in pine species with different levels of susceptibility to Fusarium circinatum: physiological and hormonal responses

Author:
J. Amaral; G. Pinto; J. A. Flores‐Pacheco; J. J. Díez‐Casero; A. Cerqueira; P. Monteiro; A. Gómez‐Cadenas; A. Alves; J. Martín‐García
Source:
Plant pathology 2019 v.68 no.9 pp. 1645-1653
ISSN:
0032-0862
Subject:
Fusarium circinatum; Pinus pinaster; Pinus pinea; Pinus radiata; Trichoderma viride; abscisic acid; anthocyanins; application timing; biological control agents; carbon dioxide; defense mechanisms; disease progression; electrolyte leakage; jasmonic acid; pathogens; photosynthesis; proline; salicylic acid; seedlings; water content; water potential
Abstract:
... Pine pitch canker (PPC), caused by Fusarium circinatum, affects Pinus species worldwide. Although no effective solutions have yet been found to control it, there is a growing interest in using biological control agents (BCA) such as Trichoderma to avoid the application of chemical‐based products. Using species with an increasing level of susceptibility to PPC (Pinus pinea, Pinus pinaster and Pinus ...
DOI:
10.1111/ppa.13080

19. Environmentally friendly methods for controlling pine pitch canker

Author:
J. Martín‐García; R. Zas; A. Solla; S. Woodward; J. Hantula; E. J. Vainio; M. Mullett; C. Morales‐Rodríguez; A. Vannini; P. Martínez‐Álvarez; G. Pinto; A. Alves; J. Amaral; M. J. Wingfield; G. Fourie; E. T. Steenkamp; R. Ahumada; B. Šerá; A. V. Sanz‐Ros; R. Raposo; M. Elvira‐Recuenco; E. Iturritxa; T. R. Gordon; J. J. Diez
Source:
Plant pathology 2019 v.68 no.5 pp. 843-860
ISSN:
0032-0862
Subject:
Fusarium circinatum; Pinus; Pseudotsuga menziesii; antifungal properties; bacteria; biological control; breeding; conifers; dieback; endophytes; forests; fungi; leaves; quarantine; resins; resistance mechanisms; risk; shoots; sustainable technology; thermotherapy; trees; virulence; viruses; wilting
Abstract:
... Fusarium circinatum is a highly virulent invasive pathogen that causes the disease commonly known as pine pitch canker (PPC). On mature trees, the most common symptoms of PPC include resin bleeding, resinous cankers, wilting of needles and dieback. In nurseries the main symptoms are yellowish needles, and wilting of foliage and shoots. PPC is considered one of the most important diseases of conife ...
DOI:
10.1111/ppa.13009

20. Evaluation of different Fusarium species–wheat interactions effect on Cd biosorption by wheat seedlings

Author:
P. Rahimi Tamandegani; D. Zafari
Source:
International journal of environmental science and technology 2019 v.16 no.4 pp. 1873-1884
ISSN:
1735-1472
Subject:
Fusarium circinatum; Fusarium oxysporum; adsorption; biosorbents; biosorption; cadmium; culture media; endophytes; fungal biomass; fungi; heavy metals; host-pathogen relationships; laboratory experimentation; minimum inhibitory concentration; nutrient uptake; pathogenicity; phytotoxicity; remediation; seedlings; toxic substances; wheat; Iran
Abstract:
... Cadmium as common inorganic toxicants is strongly phytotoxic, and its uptake has been well documented. In the present study, the ability of isolated fungal strains toward remediation of cadmium was studied through minimum inhibition concentration. Ninety-two Cadmuim tolerant fungal strains belong to different species were isolated from some contaminated site in Isfahan/Iran. Among different isolat ...
DOI:
10.1007/s13762-017-1621-7