Characterization of the beta-Tubulin Genes from Stemphylium Species
文献类型: 外文期刊
第一作者: Huang, Daye
作者: Huang, Daye;Wang, Weiping;Shi, Yanxia;Xie, Xuewen;Li, Baoju
作者机构:
关键词: beta-Tubulin;Amino acid;Insensitive;Stemphylium
期刊名称:JOURNAL OF PURE AND APPLIED MICROBIOLOGY ( 影响因子:0.073; )
ISSN:
年卷期:
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收录情况: SCI
摘要: The beta-tubulin genes from three Stemphylium species which are insensitive to high concentration of carbendazim were amplified with two pairs of primers and sequenced. The lengths of three genes are 1431bp for Stemphylium solani, 1431bp for Stemphylium lycopersici and 1424bp for Stemphylium spinaciae respectively. All genes have three introns and encode proteins with 398 amino acids. The protein sequences of beta-tubulins of three Stemphylium species are highly homologous to those of other plant pathogenic fungi that are sensitive to carbendazim. The main difference is that the 167th amino acid of beta-tubulins in Stemphylium is the residue Tyr instead of Phe, which is commonly found at the same position of beta-tubulins in other fungi. These results suggest that carbendazim insensitive of the three Stemphylium species probably attributes to Tyr167.
分类号: Q93
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