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A MITE insertion into the 3'-UTR regulates the transcription of TaHSP16.9 in common wheat

作者：

Li, Jingting;Wang, Zhenzhong;Peng, Huiru;Liu, Zhiyong

单位：

China Agr Univ;Pingdingshan Univ

关键词：

MITE;sHSP;3'-UTR;Gene transcription;Common wheat

摘要：

Miniature inverted-repeat transposable elements (MITEs) are a type of DNA transposon frequently inserted into promoters, untranslated regions (UTR), introns, or coding sequences of genes. We found a 276-bp tourist-like MITE insertion in the 3'-UTR of a 16.9 kDa small heat shock protein gene (TaHSP16.9-3A) on chromosome 3A of common wheat. Haplotype analysis revealed two haplotypes, sHSP-W(wild typewithout MITE insertion) and sHSP-M(mutant with MITE insertion), present in wheat germplasm. Both semiquantitative PCR and quantitative real-time PCR analyses showed increased transcription levels of TaHSP16.9-3A in sHSP-M compared with those of sHSP-W after heat treatment at 42 degrees C. It appeared that the MITE insertion into the 3'-UTR enhances the transcription of TaHSP16.9-3A. (C) 2014 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. All rights reserved.

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A MITE insertion into the 3′-UTR regulates the transcription of TaHSP16.9 in common wheat [Jingting Li, Zhenzhong Wang, Huiru Peng, Zhiyong Li] 作物学报(英文版) 2014,2 (6)

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A MITE insertion into the 3'-UTR regulates the transcription of TaHSP16.9 in common wheat

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