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Articles by G. Z Wu
Total Records ( 1 ) for G. Z Wu
  Y Niu , G. Z Wu , R Ye , W. H Lin , Q. M Shi , L. J Xue , X. D Xu , Y Li , Y. G Du and H. W. Xue
 

In order to study Brassica napus fatty acid (FA) metabolism and relevant regulatory networks, a systematic identification of fatty acid (FA) biosynthesis-related genes was conducted. Following gene identification, gene expression profiles during B. napus seed development and FA metabolism were performed by cDNA chip hybridization (>8000 EST clones from seed). The results showed that FA biosynthesis and regulation, and carbon flux, were conserved between B. napus and Arabidopsis. However, a more critical role of starch metabolism was detected for B. napus seed FA metabolism and storage-component accumulation when compared with Arabidopsis. In addition, a crucial stage for the transition of seed-to-sink tissue was 17–21 d after flowering (DAF), whereas FA biosynthesis-related genes were highly expressed primarily at 21 DAF. Hormone (auxin and jasmonate) signaling is found to be important for FA metabolism. This study helps to reveal the global regulatory network of FA metabolism in developing B. napus seeds.

 
 
 
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