Výsledky vyhledávání - "Botma Visser"

Akademický článek

Genome-Enabled Analysis of Population Dynamics and Virulence-Associated Loci in the Oat Crown Rust Fungus Puccinia coronata f. sp. avenae

Autor: Tim C. Hewitt, Eva C. Henningsen, Danilo Pereira, Kerensa McElroy, Eric S. Nazareno, Sheshanka Dugyala, Hoa Nguyen-Phuc, Feng Li, Marisa E. Miller, Botma Visser, Zacharias A. Pretorius, Willem H. P. Boshoff, Jana Sperschneider, Eva H. Stukenbrock, Shahryar F. Kianian, Peter N. Dodds, Melania Figueroa

Publikováno v: Molecular Plant-Microbe Interactions, Vol 37, Iss 3, Pp 290-303 (2024)

Puccinia coronata f. sp. avenae (Pca) is an important fungal pathogen causing crown rust that impacts oat production worldwide. Genetic resistance for crop protection against Pca is often overcome by the rapid virulence evolution of the pathogen. Thi

Externí odkaz: https://doaj.org/article/ff9c16c5ad934916a571fbafa16966e8

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Akademický článek

Fig rust caused by Phakopsora nishidana in South Africa

Autor: Willem H.P. BOSHOFF, Botma VISSER, Cornel M. BENDER, Alan R. WOOD, Lisa ROTHMANN, Keith WILSON, Victor HAMILTON-ATTWELL, Zacharias A. PRETORIUS

Publikováno v: Phytopathologia Mediterranea (2022)

Fig rust, caused by Cerotelium fici, was first recorded in South Africa in 1927. Recent observations have revealed high incidence of rust and untimely defoliation of fig trees (Ficus carica) in residential gardens and commercial orchards. Using phylo

Externí odkaz: https://doaj.org/article/00de5787c8e0437ba0c0aca42730af03

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Akademický článek

Emergence of the Ug99 lineage of the wheat stem rust pathogen through somatic hybridisation

Autor: Feng Li, Narayana M. Upadhyaya, Jana Sperschneider, Oadi Matny, Hoa Nguyen-Phuc, Rohit Mago, Castle Raley, Marisa E. Miller, Kevin A. T. Silverstein, Eva Henningsen, Cory D. Hirsch, Botma Visser, Zacharias A. Pretorius, Brian J. Steffenson, Benjamin Schwessinger, Peter N. Dodds, Melania Figueroa

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-15 (2019)

Strain Ug99 of the wheat stem rust pathogen, Puccinia graminis f. sp. tritici, is a major threat to global food security. Here, the authors present genomic analyses supporting that Ug99 arose as a result of non-sexual genetic exchange between dikaryo

Externí odkaz: https://doaj.org/article/86f3f637e64d4f3ea4ab276ec81a8f51

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Akademický článek

Accomplishments in wheat rust research in South Africa

Autor: Zacharias A. Pretorius, Renée Prins, Elsabet Wessels, Cornel M. Bender, Botma Visser, Willem H.P. Boshoff

Publikováno v: South African Journal of Science, Vol 116, Iss 11/12 (2020)

Rust diseases, although seasonal, have been severe constraints in wheat production in South Africa for almost 300 years. Rust research gained momentum with the institution of annual surveys in the 1980s, followed by race identification, an understand

Externí odkaz: https://doaj.org/article/9a236998805a419fae3e6c0b4f78ceb2

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Development of a Diagnostic Assay for Differentiation Between Genetic Groups in Clades I, II, III, and IV of Puccinia graminis f. sp. tritici

Autor: Les J. Szabo, Pablo D. Olivera, Ruth Wanyera, Botma Visser, Yue Jin

Publikováno v: Plant Disease. 106:2211-2220

Wheat stem rust has reemerged as a serious disease caused by new variants of Puccinia graminis f. sp. tritici. Variants with significant virulence and broad geographic distribution (Africa, Central Asia, and Europe) include the Ug99 race group, race

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e0c69a128bdb7c91a70975338108c0f
https://doi.org/10.1094/pdis-10-21-2161-re

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Accumulation of complex oligosaccharides and CAZymes activity under acid conditions constitute the Thatcher+Lr9 defence responses to Puccinia triticina

Autor: Mpho S. Mafa, Ninikoe Lebusa, Tshililo F. Gumani, Gabre Kemp, Botma Visser, Willem H.P. Boshoff, Howard D. Castelyn

Publikováno v: Biologia.

Puccinia triticina (Pt) is an important pathogen of wheat. While breeding programmes develop resistant wheat cultivars to mitigate the effects of such rust-causing pathogens, the emergence of new rust races with wider virulence mandates the implement

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f6cc79ff5d42d25c3d89ee1a678ce5d
https://doi.org/10.1007/s11756-023-01405-7

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