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Descripción
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| Powdery mildews are phytopathogens whose growth and reproduction are entirely dependent on living plant cells. The molecular basis of this life-style, obligate biotrophy, remains unknown. We present the genome analysis of barley powdery mildew, Blumeria graminis f.sp. hordei (Blumeria), as well as a comparison with the analysis of two powdery mildews pathogenic on dicotyledonous plants. These genomes display massive retrotransposon proliferation, genome-size expansion, and gene losses. The missing genes encode enzymes of primary and secondary metabolism, carbohydrate-active enzymes, and transporters, probably reflecting their redundancy in an exclusively biotrophic life-style. Among the 248 candidate effectors of pathogenesis identified in the Blumeria genome, very few (less than 10) define a core set conserved in all three mildews, suggesting that most effectors represent species-specific adaptations. | |
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Internacional
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JCR del ISI
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Si |
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Título de la revista
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SCIENCE |
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ISSN
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0036-8075 |
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Factor de impacto JCR
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29,747 |
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Información de impacto
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Volumen
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330 |
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DOI
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10.1126/science.1194573 |
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Número de revista
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Desde la página
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1543 |
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Hasta la página
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1546 |
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Mes
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ENERO |
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Ranking
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