dihydrofolate reductase 中文意思是什麼
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A aada2 cassette, encoding aminoglycoside adenylyltransferase, was found in 2 isolates of shigella sonnei, and a two cassettes array of dfra1, encoding dihydrofolate reductase, and aadala in one isolate of shigella sonnei, and another two cassettes array of dfra1 7 and aada5 in two isolates of shigella sonnei and shigella flexneri y - variant each, and a dfrv cassette in one isolate of shigella flexneri 6, respectively
對其可變區測序分析，其中2株宋內志賀菌i類整合子均攜帶1個基因盒，為氨基糖昔腺營酞基轉移酶（ aminoglycosideadenylyltransferase ） az基因（ aa朔2 ） ，編碼對鏈黴素的抗性。 -
In this study, we first constructed a vector containing human elongation factor la subunit promoter ( pef - 1 ) for transcription of genes of interests, and mouse dihydrofolate reductase ( dhfr ) gene under control of sv40 promoter ( psv4o ) for clonal selection and amplification. the vector was named ped5
本研究首先構建了含有人延伸因子1亞基啟動子（ p _ （ ef - 1 ） ）和小鼠二氫葉酸還原酶（ dhfr ）加壓擴增基因的表達載體ped5 ，用於外源基因的常規表達。
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