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Isolation of genes expressed during compatible interactions between powdery mildew (Blumeria graminis) and wheat

文献类型： 外文期刊

作者： Zheng, Li 1 ; Huang, Junbin 1 ; Yu, Dazhao 3 ;

作者机构： 1.Huazhong Agr Univ, Dept Plant Protect, Coll Plant Sci & Technol, Key Lab Plant Pathol Hubei Prov, Wuhan 430070, Peoples R China

2.Guangdong Univ Technol, Fac Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China

3.Hubei Acad Agr Sci, Inst Plant Protect, Wuhan 430064, Peoples R China

关键词： amino acid sequence;expression pattern;nucleotide sequence;GenBank accession number;compatible interaction

期刊名称：PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY （ 影响因子：2.747； 五年影响因子：2.388 ）

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收录情况： SCI

摘要： Powdery mildew of wheat is an important disease caused by the obligately biotrophic fungus Blumeria graminis. In compatible interactions, the powdery mildew fungus undergoes a series of developmental stages to form haustoria within host cells through which nutrients are obtained. In this study, we utilized the cDNA-AFLP technique to isolate wheat genes expressed at 5 days' post-inoculation. The expression patterns of several sequences identified in the cDNA-AFLP pro. ling were further investigated by Northern hybridization and RT-PCR analyses. Genes with sequence similarity to GenBank accessions AAR91119, P20076, BT009372, ABA99697, BAD81963 or AAO72574 showed greater expression in susceptible rather than resistant or mock-inoculated leaves. In addition, several sequences with similarity to CAD27894, XM_466672, AAT79487 or AAM64566 were expressed only in the compatible interactions. Possible involvement of these genes in susceptibility of host wheat upon powdery mildew infection is further discussed.

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