1. The classification of C4-dicarboxylate transporter,the expression and regulation of C4-dicarboxylate transport genes,and the importance of C4-dicarboxylate transport system for nitrogen fixation were reviewed in the paper. 四碳二羧酸是细菌重要的碳源与能源物质,四碳二羧酸的转运需要细菌四碳二羧酸转运载体的参与。 2. Small intestinal segments samples were collected from duodenum,proximal and distal jejunums,ileum for detection intestinal tissue distribution of oligopeptide transporter PepT1,anionic amino acid transporter EAAC1 and cationic amino acid transporter CAT1 mRNA abundance by Real-time PCR. 选取体重接近且健康的28日龄哺乳仔藏猪6头,屠宰后分离肠道(十二指肠、空肠前段、空肠后段和回肠),运用RFQ-PCR技术对藏猪不同肠段小肽转运载体PepT1、酸性氨基酸转运载体EAAC1和碱性氨基酸转运载体CAT1 mRNA的组织分布进行研究。
转运载体
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