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Reddy Naganagouda 《科学通报(英文版)》2004,49(23):2470-2476
Cotton is a valuable economic crop. The cottonseedafter ginning is made up of fuzz, kernel and hull, amongwhich kernel constitutes about 50% to the seed weight.Cottonseed kernel of G. hirsutum contains about 40% ofprotein and more than 35% of cottonseed oil, which obvi-ously is a potential rich source of high quality protein andedible oil supplement[1,2]. However, the utilization of cot-tonseed is limited by the presence of gossypol and its de-rivatives in seeds of ordinary glanded cotton cult… 相似文献
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棉花是最主要的天然纤维作物,深入进行棉花基因组研究具有重要意义.采用酶解、前后低渗和轻压相结合的方法制备亚洲棉染色体中期膜载片,激光法分离亚洲棉第5号单染色体,建单染色体扩增池后克隆其抗病基因同源序列(RGAs),获得P7、P12、P19和P23等4个序列.序列比对和聚类分析表明,这4条序列均为NBS-LRR类RGAs,P7、P12、P19聚成一类,它们之间的同源性很高,P23聚成另一类,与黑松的RPS2和油菜的RGA30同源性较高.为该染色体分子标记开发、基因克隆乃至全序列测定奠定基础. 相似文献
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