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Belausov, E. (2)
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Cohen, L. (2)
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Droby, S. (2)
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Eick, A. (2)
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Kolmer, J.A. (2)
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Macarisin, D. (2)
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Rafael, G. (2)
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Wisniewski, M. (2)
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Alderman, S.C. (1)
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Aoki, T. (1)
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28
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- Description:
- Includes references
- Author:
- Panina, Y. , Fravel, D.R. , Baker, C.J. , Shcherbakova, L.A.
- Subject:
- Solanum lycopersicum var. lycopersicum , tomatoes , Fusarium wilt , Fusarium oxysporum f. sp. lycopersici , plant pathogenic fungi , pathogenicity , host-parasite relationships , disease control , defense mechanisms , biological control , Fusarium oxysporum , seedlings , leaves , roots , chemical constituents of plants , phenolic compounds , biosynthesis , secondary metabolites
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Tomaso-Peterson, M. , Trevathan, L.E.
- Subject:
- host plants , crops , turf grasses , Rhizoctonia , strains , strain differences , pathogenicity , virulence , pathogen identification , genotype , host range , new host records , Rhizoctonia cerealis , plant pathogenic fungi , fungal diseases of plants , Zea mays , corn , Mississippi
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Mazzola, M. , Zhao, X. , Cohen, M.F. , Raaijmakers, J.M.
- Subject:
- Malus domestica , apples , Triticum aestivum , wheat , fungal diseases of plants , Pythium , Pythium irregulare , Pythium sylvaticum , Pythium ultimum , plant pathogenic fungi , pathogenicity , disease control , zoospores , cell growth , growth retardation , biological control agents , Pseudomonas fluorescens , plant pathogenic bacteria , biosynthesis , cyclic peptides , strain differences , mutants , soil bacteria
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Barnes, C.W. , Szabo, L.J.
- Subject:
- Poaceae , rust diseases , Hordeum vulgare , barley , Avena sativa , oats , Triticum aestivum , wheat , grasses , grain crops , Puccinia graminis , Puccinia striiformis , Puccinia recondita , plant pathogenic fungi , pathogenicity , disease detection , DNA profiling , polymerase chain reaction , ribosomal DNA , internal transcribed spacers , genetic markers
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Vorwerk, S. , Schiff, C. , Santamaria, M. , Koh, S. , Nishimura, M. , Vogel, J. , Somerville, C. , Somerville, S.
- Subject:
- Arabidopsis thaliana , powdery mildew , downy mildew , Erysiphe cichoracearum , plant pathogenic fungi , pathogenicity , signs and symptoms (plants) , pathogenesis , disease resistance , resistance mechanisms , salicylic acid , hypersensitive response , apoptosis , phosphatidylinositols , genes , mutants , genetic variation
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Howell, C.R.
- Subject:
- Gossypium hirsutum , cotton , fungal diseases of plants , Pythium , Rhizopus oryzae , Thanatephorus cucumeris , plant pathogenic fungi , pathogenicity , disease control , biological control , Trichoderma , fungicides , chloroneb , metalaxyl , application rate , seed treatment , disease resistance , cultivars , genetic variation , Hypocrea virens
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Bhat, R.G. , Browne, G.T.
- Subject:
- Phytophthora citricola , plant pathogenic fungi , genetic variation , pathogenicity , fungicide resistance , amplified fragment length polymorphism , phylogeny , geographical variation , host-pathogen relationships , horticultural crops , Prunus dulcis , almonds , Persea americana , avocados , Fragaria , strawberries , Juglans , walnuts , California
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Starkey, D.E. , Ward, T.J. , Aoki, T. , Gale, L.R. , Kistler, H.C. , Geiser, D.M. , Suga, H. , Tóth, B. , Varga, J. , O'Donnell, K.
- Subject:
- Fusarium , plant pathogenic fungi , scab diseases , trichothecenes , mycotoxins , geographical variation , genetic variation , phylogeny , molecular systematics , taxonomy , loci , nucleotide sequences , genes , pathogenicity , Triticum aestivum , wheat , microbial genetics , new species , chemotypes , nivalenol , new geographic records , fungal anatomy , United States , Australia , South Africa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Castell-Miller, C.V. , Zeyen, R.J. , Samac, D.A.
- Subject:
- Phoma medicaginis , plant pathogenic fungi , fungal spores , spore germination , pathogenicity , mycelium , disease resistance , Medicago sativa , alfalfa , genetic variation
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- The avirulence gene AVR-Pita of Magnaporthe oryzae determines the efficacy of the resistance gene Pi-ta in rice. The structures of the AVR-Pita alleles in 39 US isolates of M. oryzae were analyzed using polymerase chain reaction. A series of allele-specific primers were developed from the AVR-Pita gene to examine the presence of AVR-Pita. Orthologous alleles of the AVR-Pita gene were amplified from avirulent isolates. Sequence analysis of five alleles revealed three introns at identical positions in the AVR-Pita gene. All five alleles were predicted to encode metalloprotease proteins highly similar to the AVR-Pita protein. In contrast, the same regions of the AVR-Pita alleles were not amplified in the most virulent isolates, and significant variations of DNA sequence at the AVR-Pita allele were verified by Southern blot analysis. A Pot3 transposon was identified in the DNA region encoding the putative protease motif of the AVR-Pita protein from a field isolate B2 collected from a Pi-ta-containing cultivar Banks. These findings show that transposons can contribute to instability of AVR-Pita and is one molecular mechanism for defeating resistance genes in rice cultivar Banks.
- Author:
- Zhou, E.X. , Jia, Y.L. , Singh, P. , Correll, J.C. , Lee, F.N.
- Subject:
- Magnaporthe , plant pathogenic fungi , genes , virulence , alleles , introns , DNA primers , polymerase chain reaction , nucleotide sequences , transposons , pathogenicity , blast disease , Oryza sativa , rice
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
