Development and utilization of new sequenced characterized amplified region markers specific for E genome of Thinopyrum
Development and utilization of new sequenced characterized amplified region markers specific for E genome of Thinopyrum作者机构：School of Life Science and Technology University of Electronic Science and Technology of China Chengdu 610054 China
出 版 物：《Frontiers in Biology》 (生物学前沿（英文版）)
年 卷 期：2013年第8卷第4期
页 面：451-459页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 09[农学] 0901[农学-作物学] 071002[理学-动物学]
基 金：中国博士后科学基金 国家自然科学基金 Fundamental Research Funds for the Central Universities
主 题：Thinopyrum Trititrigia E genome SCAR markers FISH
摘 要：Species containing E genome of Thinopyrum offered potential to increase the genetic variability and desirable characters for wheat improvement. However, E genome specific marker was rare. The objective of the present report was to develop and identify sequenced characterized amplified region （SCAR） markers that can be used in detecting E chromosome in wheat background for breeding purpose. Total 280 random amplified polymorphic DNA （RAPD） primers were amplified for seeking of E genome specific fragments by using the genomic DNA of Thinopyrum elongatum and wheat controls as templates. As a result, six RAPD fragments specific for E genome were found and cloned, and then were converted to SCAR markers. The usability of these markers was validated using a number of E- genome-containing species and wheat as controls. These markers were subsequently located on E chromosomes using specific PCR and fluorescence in situ hybridization （FISH）. SCAR markers developed in this research could be used in molecular marker assisted selection of wheat breeding with Thinopyrum ehromatin introgressions.
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