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

Li, Feng; Upadhyaya, Narayana M; Sperschneider, Jana; Matny, Oadi; Nguyen-Phuc, Hoa; Mago, Rohit; Raley, Castle; Miller, Marisa E; Silverstein, Kevin A. T.; Henningsen, Eva; Hirsch, Corey; Schwessinger, Benjamin

Description

Parasexuality contributes to diversity and adaptive evolution of haploid (monokaryotic) fungi. However, non-sexual genetic exchange mechanisms are not defined in dikaryotic fungi (containing two distinct haploid nuclei). Newly emerged strains of the wheat stem rust pathogen, Puccinia graminis f. sp. tritici (Pgt), such as Ug99, are a major threat to global food security. Here, we provide genomics-based evidence supporting that Ug99 arose by somatic hybridisation and nuclear exchange between...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/227800
Source: Nature Communications
DOI: 10.1038/s41467-019-12927-7
Access Rights: Open Access

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