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Cryptic speciation and recombination in the aflatoxin-producing fungus Aspergillus flavus
Open accessAbstract
Aspergillus flavus , like approximately one–third of ascomycete fungi, is thought to be cosmopolitan and clonal because it has uniform asexual morphology. A. flavus produces aflatoxin on nuts, grains, and cotton, and assumptions about its life history are being used to develop strategies for its biological control. We tested the assumptions of clonality and conspecificity in a sample of 31 Australian isolates by assaying restriction site polymorphisms from 11 protein encoding genes and DNA sequences from five of those genes. A. flavus isolates fell into two reproductively isolated clades (groups I and II). The lack of concordance among gene genealogies among isolates in one of the clades (group I) was consistent with a history of recombination. Our analysis included five strains of the closely related industrial fungus A. oryzae , all of which proved to be clonally related to group I.
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Citations
Cited by
Aspergillus fumigatus and Aspergillosis
Latgé, J.-P. (1999) · Clinical Microbiology Reviews · doi:10.1128/cmr.12.2.310 · Cited by 2,307
Aspergillus flavus: human pathogen, allergen and mycotoxin producer
Hedayati, M. T., Pasqualotto, A. C., Warn, P. A., Bowyer, P., & Denning, D. W. (2007) · Microbiology · doi:10.1099/mic.0.2007/007641-0 · Cited by 964
Amaike, S., & Keller, N. P. (2011) · Annual Review of Phytopathology · doi:10.1146/annurev-phyto-072910-095221 · Cited by 668
Evidence for Sexuality in the Opportunistic Fungal Pathogen Aspergillus fumigatus
Paoletti, M., Rydholm, C., Schwier, E. U., Anderson, M. J., Szakacs, G., Lutzoni, F., Debeaupuis, J.-P., Latgé, J.-P., Denning, D. W., & Dyer, P. S. (2005) · Current Biology · doi:10.1016/j.cub.2005.05.045 · Cited by 308
CRYPTIC SPECIATION IN THE COSMOPOLITAN AND CLONAL HUMAN PATHOGENIC FUNGUS ASPERGILLUS FUMIGATUS
Pringle, A., Baker, D. M., Platt, J. L., Wares, J. P., Latgé, J. P., & Taylor, J. W. (2005) · Evolution · doi:10.1111/j.0014-3820.2005.tb01059.x · Cited by 267
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Metadata
- Authors
- Geiser, D. M., Pitt, J. I., & Taylor, J. W.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1998-01-06
- Volume
- 95
- Issue
- 1
- Pages
- 388-393
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2044893541
- Cited by
- 535
- References
- 0
- FWCI
- 8.89
- Type
- journal article
- Language
- en
- Open access
- green
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- Geiser, D. M., Pitt, J. I., & Taylor, J. W. (1998). Cryptic speciation and recombination in the aflatoxin-producing fungus Aspergillus flavus. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.95.1.388
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