phytoene造句

• The coding region of the cdna of the phytoene desaturase gene was cloned by pcr and inserted into vector pbi121 containing intron - kanamycin
  再生苗经过戍r和pcrs 。 : : hernbl 。 t分子检测证明获得了烟草转基因植株。
• Northern blot analysis showed higher expression level of pds gene in the stigma and anther than in the leaf and stem . the information we have got is very important for the further research of gene structure , expression and function of phytoene desaturase
  此基因的克隆，为深入研究八氢番茄红素脱氢酶基因结构、表达和调节机制及其结构和功能的关系奠定了重要的基础。
• Sequence analysis showed highly similarity to other plants such as narcissus pseudonarcissus . , and they all possess a short highly conserved n - terminal sequence encoding a dinucleotide cofactor binding site . thus it is a new member of phytoene desaturase gene family
  由此可认为该番红花八氢番茄红素脱氢酶基因在结构上与其它植物八氢番茄红素脱氢酶基因是同源的，是八氢番茄红素脱氢酶基因家族中的一个新成员。
• Phytoene desaturase ( pds ) has recently been identified as an important enzyme in carotenoid metabolitic pathway . a new full - length cdna clone encoding phytoene desaturase gene was isolated from stigma of saffron using rt - pcr and race techniques ( ( genbank accession no . ay 183118 ) )
  其中主要的活性成分是西红花甙，需经类胡萝卜素代谢途径合成，而八氢番茄红素脱氢酶( phytoenedesaturase )是此途径中的一个早期关键酶。
• For prokaryotic expression , the coding region of the cdna of the phytoene desaturase gene was cloned by pcr and inserted into a prokaryotic expression vector pet - 21a ( + ) . the gene was overexpressed in e . coli bl21 ( de3 ) and gave rise to a 63 kd mature protein in response to the iptg induction
  用pcr方法扩增番红花八氢番茄红素脱氢酶( pds )编码区序列，定向克隆到表达载体pet一艺1a ( + )上，获得重组质粒pet一21a ( + ) / cspds 。