Genome-wide association mapping of virulence gene in rice blast fungus Magnaporthe oryzae using a genotyping by sequencing approach

被引：15

作者：

Korinsak, Siripar ^{[1
]}

Tangphatsornruang, Sithichoke ^{[2
]}

Pootakham, Wirulda ^{[2
]}

Wanchana, Samart ^{[2
]}

Plabpla, Anucha ^{[3
]}

Jantasuriyarat, Chatchawan ^{[4
]}

Patarapuwadol, Sujin ^{[5
]}

Vanavichit, Apichart ^{[6
,7
]}

Toojinda, Theerayut ^{[2
]}

机构：

[1] Kesetsart Univ, Fac Agr Kamphaeng Saen, Plant Breeding Program, Nakhon Pathom 73140, Thailand

[2] Natl Ctr Genet Engn & Biotechnol BIOTEC, 113 Thailand Sci Pk,Pahonyothin Rd, Khlong Luang 12120, Pathumthani, Thailand

[3] Kasetsart Univ, Interdisciplinary Grad Program Genet Engn, Bangkok 10900, Thailand

[4] Kasetsart Univ, Fac Sci, Dept Genet, Bangkok 10900, Thailand

[5] Kasetsart Univ, Fac Agr Kamphaeng Saen, Dept Plant Pathol, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand

[6] Kasetsart Univ, Fac Agr Kamphaeng Saen, Dept Agron, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand

[7] Kasetsart Univ, Rice Sci Ctr, Kamphaeng Saen 73140, Nakhon Pathom, Thailand

来源：

GENOMICS | 2019年 / 111卷 / 04期

关键词：

Magnaporthe oryzae; Genotyping-by-sequencing (GBS); Association mapping; Virulence gene; Rice blast; PYRICULARIA-GRISEA; AVIRULENCE GENE; POPULATION-STRUCTURE; PATHOTYPE DIVERSITY; MATING-TYPE; RESISTANCE GENES; DNA FINGERPRINT; SNP DISCOVERY; PATHOGENICITY; LEAF;

D O I：

10.1016/j.ygeno.2018.05.011

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Magnaporthe oryzae is a fungal pathogen causing blast disease in many plant species. In this study, seventy three isolates of M. oryzae collected from rice (Oryza sativa) in 1996-2014 were genotyped using a genotyping-by-sequencing approach to detect genetic variation. An association study was performed to identify single nucleotide polymorphisms (SNPs) associated with virulence genes using 831 selected SNP and infection phenotypes on local and improved rice varieties. Population structure analysis revealed eight subpopulations. The division into eight groups was not related to the degree of virulence. Association mapping showed five SNPs associated with fungal virulence on chromosome 1, 2, 3, 4 and 7. The SNP on chromosome 1 was associated with virulence against RD6-Pi7 and IRBL7-M which might be linked to the previously reported AvrPi7.

引用

页码：661 / 668

页数：8

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