double mutant 中文意思是什麼
double mutant
解釋
雙重突變型-
Rlean meat percentage is one of the most important economic traints in pig breeding programs. myostatin is a negative regulator of skeletal muscle growth. null or low activity of myostatin, individual muscle of mutant amimals would show a large and widespread increase in skeletal mass. myostatin null animals have significantly larger diameter or more quantity of fiber skeletal muscle. the phenotype was termed double muscling. in order to probe the relation between myostatin and high lean meat rate and plump - hipped trait, we sythesized the c ' 80 amino acids coding sequence of porcine myostatin and costructed the cloning and expressing vector of it
肌生成抑制素（ myostatin ，即mstn ）是近幾年來（ mcpherrona . c等， 1997 ）發現的骨骼肌生長的負調控因子，它主要在骨骼肌中表達。其活性的喪失，會引起動物肌肉的過度發育，肌纖維直徑變大或肌纖維數增加，表現為雙肌癥狀。肌生成抑制素研究的突破將對豬、肉雞、肉牛等畜禽生產性能的提高具有特別重要的意義。 -
Linearized the expression vector ppic9k - p including the truncated mutant pokeweed antiviral protein ( pap ) gene by restriction endonuclease sal i and transformed it electrically into pichia pastoris gs115. mut + recombinants were selected by pcr and high yield mut + recombinant was picked out by double film immunoblotting
本研究將含有n末端信號肽和c末端毒性區缺失的pap基因的表達載體ppic9k - p用sali酶切線性化后，通過電擊轉化整合p . pastorisgs115菌株細胞中。 -
Because when both the gene sos3 and the gene athktl are mutanted in the double mutant ( sos3 / athkt1 ) the inward whole cell k + current decreased
在雙突變體中sos3突變，同時athkt1也不存在，就消除了na ~ +進入細胞的途徑，因而全細胞電流減小。 -
Recently, research on the sos3 / athktl double mutants in arabidopsis showed functional disruption of athktl was shown to suppress t he salt sensitive phenotype of sos3 mutant indicating that wild - type sos3 may inhibit the activity of athktl as a na + influx transporter. but hitherto there is no evidences in electrophysiology about regulation of k + and na + influx by sos3 protein
結果暗示athkt1可能是一個na ~ +內流轉運體並起了調節k ~ + 、 na ~ +吸收系統的作用，並且野生型sos3蛋白可能抑制athkt1蛋白na ~ +內流轉運體的活性， athkt1可能是sos途徑的調節對象之一。
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