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lethal gene
相关语句
  致死基因
     Genetic Analysis of Normal Temprature Lethal Gene (ntl) in the Silkworm Bombyx mori
     家蚕温度敏感型致死基因ntl的遗传分析
短句来源
     Objective To study the role of lethal gene: including retinoic X receptor(RXR)α, N-myc and trancript enhancer factor(TEF)-1 in human spontaneous abortion.
     目的 探讨自然流产患者绒毛组织中致死基因维甲酸受体 (RXR)α、N myc和转录增强因子 1(TEF 1)mRNA的表达水平。
短句来源
     Expression of lethal gene mRNA on placenta villi in patients with spontaneous abortion
     自然流产患者绒毛组织中致死基因mRNA的表达
短句来源
     A new natural mutant:normal temperature lethal gene (ntl) was found from Chinese bivoltine native variety Yuhang7.The Characters of ntl gene were that if the fifth instar larvae were reared at the temperature of 23.3℃,the viability was 10.7%; But when the fifth instar larvae were reared at the temperature of 29.4℃,the viability was 90%.
     从中系地方品种余杭7 中发现1 个新的温度敏感型致死基因ntl,该基因的特点为:5 龄期幼虫在平均温度为233 ℃时,幼虫生命率只有107% ,而当5 龄蚕在平均温度为294℃饲养时,幼虫生命率为900 % 。
短句来源
     Study on expression of apoptosis and lethal gene during acute rejection in limb allograft
     肢体移植排斥反应中细胞凋亡及致死基因表达
短句来源
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  “lethal gene”译为未确定词的双语例句
     Development of a chromosome plasmid balanced lethal gene expression system of Vibrio cholerae based on thyA locus
     霍乱弧菌以thyA基因为选择压力的染色体质粒致死平衡系统的构建
短句来源
     A chemical lethal rice mutant Norin 8 m earring the bentazone sensitive lethal gene was induced from Norin 8 by 60Co gamma-ray radiation.
     水稻农林8号m是农林8号通过~(60)CO γ射线辐射诱变获得的一个突变体。
短句来源
     This work was designed to control plant fertility by cell lethal gene Barnase expressing at specific developmental stage and in specific tissue of male apparatus under the control of Cre/loxP system.
     本实验是以Cre loxP系统调控细胞毒素基因barnase在植物雄性器官发育的特异时期在特异组织表达 ,从而达到控制植物育性的目的。
短句来源
     This work was designed to control plant fertility by cell lethal gene Barnase expressing at specific developmental stage and in specific tissue of male apparatus under the control of Cre/loxP system.
     本实验就是以Cre-loxP系统调控细胞毒素基因barnase在植物雄性器官发育的特异时期在特异组织表达,从而达到控制植物育性的目的。
短句来源
     Antisense technology of gene therapy can inhibitate the disorder expression of lethal gene and has a good application.
     基因治疗中的反义技术能抑制有害基因的异常表达,具有重要的应用价值。
短句来源
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  相似匹配句对
     Gene Sequences
     基因序列(英文)
短句来源
     The gene smu.
     变形链球菌smu.
短句来源
     Statistical method for mapping the gene of qualitative trait with one lethal genotype
     含有致死基因型的质量性状基因定位的统计方法
短句来源
     Knockout of crt gene is embryonically lethal due to impaired cardiac development.
     crt基因敲除可损伤心脏发育而导致胚胎死亡。
短句来源
     The Lethal Effect of Fragments
     破片的杀伤作用
短句来源
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  lethal gene
Myelin deficiency (md) is a new mutant in the Wistar rat caused by an X-linked recessive lethal gene.
      
This approach is simpler than the strategy to place a 'lethal gene' outside the T-DNA and will likely help produce 'clean' transformants efficiently.
      
However, two deviations from strict neutrality were observed: there was a heterozygote excess at the Lap locus, and the frequency of the O5 inversion (always associated with a lethal gene in colonizing populations) was higher than expected.
      
It has been shown that 26% of M-bearing (Y) chromosomes and at least 24% of m-bearing (X) chromosomes carry a recessive lethal gene.
      
The results of this experiment are contrasted with those of a previous experiment, of similar design, involving the lethal gene Glued.
      
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4-5 days old male pupae of Indian meal moth,Plodia interpunctella Hubner were irradiated with 1,3,5,7 and 10 krad of 60Co γ-ray The male moths developed from treated pupae and their F1 generation were put together with normal female moths for copulation separately.The genetic effects of irradiation was studied and the results showed that the effects of irradiation were significant,which related to the irradiation dosage,on both parental and filial generations.Only 40% of the pupae was emerged,when they were...

4-5 days old male pupae of Indian meal moth,Plodia interpunctella Hubner were irradiated with 1,3,5,7 and 10 krad of 60Co γ-ray The male moths developed from treated pupae and their F1 generation were put together with normal female moths for copulation separately.The genetic effects of irradiation was studied and the results showed that the effects of irradiation were significant,which related to the irradiation dosage,on both parental and filial generations.Only 40% of the pupae was emerged,when they were irradiated at 10 krad.The effects on deformation rates,survival rates,copulation abilities,fecundities,hatching rates and genetic sterilities varied with different irradiation dosage treatment.With consideration of the total irradiation effect,dosage lower than 5 krad is desirable for inducing the sterility of adults and sex chain recessive lethal gene.With 1,5 and 7 krad of irradiation,a mutant of P.interpunctella with transparent wings was induced,which provides a marking feature in control of Indian meal moth by sex chain recessive lethal gene.

用~(60)Coγ射线1、3、5、7、10 krad辐照4~5日龄的印度谷螟雄蛹,当辐照剂量为1~7krad时,被辐照蛹都能羽化,但10krad辐照的,羽化率仅40%。用1、3 krad辐照,成虫畸形率低,且对雄成虫交配能力影响较小,但用7、10 krad辐照,成虫畸形率分别为60%、100%,只有30%~50%的成虫能进行交配。1、3、5 Krad辐照雄蛹,F_1代卵孵化率分别比对照降低25.5%、21.1%、39.4%,F_2代卵的孵化率分别比对照降低56.6%、80.8%、74.0%。这可能是遗传不育现象。1、5、7 krad辐照的,诱导出了成虫翅透明的突变品系(透明型)。该突变品系对研究印度谷螟的部分遗传学及遗传防治有重要意义。

This paper presents the resultsof resistant strain of Anopheles sinensis cultured with deltamethrin. After 5-10 generations, low resistance induced. 10 generations later,gene mutation occurred, while in 29th generation,larva of, black body and head with lethal gene and moreover with mutated organs were found.Mortality rate of black body larvaes reached 100% and of course, reproduction stopped. Mortality rate of black head larvaes was 65.98% and it has been preliminarily confirmed by inbred that characteristic...

This paper presents the resultsof resistant strain of Anopheles sinensis cultured with deltamethrin. After 5-10 generations, low resistance induced. 10 generations later,gene mutation occurred, while in 29th generation,larva of, black body and head with lethal gene and moreover with mutated organs were found.Mortality rate of black body larvaes reached 100% and of course, reproduction stopped. Mortality rate of black head larvaes was 65.98% and it has been preliminarily confirmed by inbred that characteristic of black head belonged to recessive reversion. The existence of lethal gene lovered the survival ability of An.sinensis, which led to the reduction of resistance to deltamethrin in population of An. sinensis with lethal gene. When disappearance of black body larvaes and remarkable reduction of black fiend ones happened, LC_(50) of An. sinensis larvaesstarted going up.

本文报告溴氰菊酯选育中华按蚊抗性品系的结果。选育5~10代可产生低度抗药性,11代以后引起基因突变,29代发现带有致死基因的黑体或黑头幼虫,并有器官畸形。黑体幼虫死亡率100%,不能继续繁殖;黑头幼虫死亡率为65.98%,能继续繁殖。自交实验初步证明,黑头幼虫的特征为隐性隔代遗传。致死基因的存在,降低了中华按蚊的生存力,致使带有致死基因中华按蚊种群对溴氰菊酯的抗药性下降;当黑体幼虫消失、黑头幼虫减少时,中华按蚊幼虫的LC_(50)开始回升。

This paper presents the results of resistant strain of Anopheles sinensis cultured with deltamethrin. After 5-10 generations, low resistance induced. 10 generations later, gene mutation oceurred, while in 29th genaration, larva of black body and head with lethal gene and moreover with mutated organs were found.Mortality rate of black body larvaes reached 100% and of course, reproduction stopped. Mortality rate of black head larvaes was 65.98% and it has been preliminarily confirmed by inbred that characteristic...

This paper presents the results of resistant strain of Anopheles sinensis cultured with deltamethrin. After 5-10 generations, low resistance induced. 10 generations later, gene mutation oceurred, while in 29th genaration, larva of black body and head with lethal gene and moreover with mutated organs were found.Mortality rate of black body larvaes reached 100% and of course, reproduction stopped. Mortality rate of black head larvaes was 65.98% and it has been preliminarily confirmed by inbred that characteristic of black head belonged to recessive reversion. The existence of lethal gene lovered the survival ability of An.sinensis, which led to the reduction of resistance to deltamethrin in population of An. sinensis with lethal gene. When disappearance of black body larvaes and remarkable reduction of bfack head ones happened, LC50 of An.sinensis larvaesstarted going up.

本文报道长期使用溴氰菊酯引起中华按蚊雌虫生殖营养周期紊乱、延长成虫前期(卵期、幼虫期、蛹期)发育所需时间等结果,讨论了吸血次数与成虫存活时间及与间日疟原虫在蚊体内发育的关系,并对成虫前各期发育所需时间的计算方法进行了改进。

 
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