Gene cloning and molecular breeding to improve fiber qualities in cotton  

作　　者：GUO Wangzhen, SUN Jing & ZHANG Tianzhen National Key Laboratory of Crop Genetics & Germplasm Enhancement, Cotton Research Institute, Nanjing Agricultural University, Nanjing 210095, China Correspondence should be addressed to Guo Wangzhen (e-mail: cotton @njan.edu.cn) 

出　　处：《Chinese Science Bulletin》2003年第8期709-717,共9页

基　　金：This work was partly supported by the National High-Tech Program(Grant No.2001 AA211101);the National Natural Science Foundation of China(Grant Nos.30070483 and 30270806);the High Tech Program in Jiangsu Province(Grant No.BG2002306).

摘　　要：Cotton fiber is one of known natural resources comprising the highest purity cellulose. It plays an important role worldwide in the textile industry. With the acceleration of spinning speeds and the improvement of the peoples liv-ing level, the demand of improving cotton fiber qualities is getting stronger and stronger. So, making clear the develop-mental model of fiber cell and elucidating systematically the molecular mechanisms of cotton fiber development and regulation will produce a great significance to make full use of cotton gene resources, raise cotton yield and improve fiber quality, and even develop man-made fiber. In the paper, the status of the gene cloning and the molecular breeding to im-prove cotton fiber quality were reviewed, the importance and potential of gene cloning related with cotton fiber quality were put forward and the proposal and prospect on fiber quality improvement were made. Using national resources available and through the creative exploration in corre-sponding research, some international leading patents in genes or markers linked with cotton fiber development hav-ing Chinese own intellectual property should be licensed quickly. And they can be used to improve cotton fiber quality in cotton breeding practice.Cotton fiber is one of known natural resources comprising the highest purity cellulose. It plays an important role worldwide in the textile industry. With the acceleration of spinning speeds and the improvement of the peoples liv-ing level, the demand of improving cotton fiber qualities is getting stronger and stronger. So, making clear the develop-mental model of fiber cell and elucidating systematically the molecular mechanisms of cotton fiber development and regulation will produce a great significance to make full use of cotton gene resources, raise cotton yield and improve fiber quality, and even develop man-made fiber. In the paper, the status of the gene cloning and the molecular breeding to im-prove cotton fiber quality were reviewed, the importance and potential of gene cloning related with cotton fiber quality were put forward and the proposal and prospect on fiber quality improvement were made. Using national resources available and through the creative exploration in corre-sponding research, some international leading patents in genes or markers linked with cotton fiber development hav-ing Chinese own intellectual property should be licensed quickly. And they can be used to improve cotton fiber quality in cotton breeding practice.

关 键 词：基因克隆技术 棉花 纤维质量 分子育种技术 

分 类 号：Q943[生物学—植物学] Q785