X-linked elements associated with negative segregation distortion in the SD system of Drosophila melanogaster.

X-linked elements associated with negative segregation distortion in the SD system of Drosophila melanogaster.
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X连锁元件与果蝇SD系统中的负分离扭曲相关。

DOI:
10.1093/genetics/138.1.145
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发表时间:
1994
期刊:
影响因子:
3.3
通讯作者:
Albracht,BC
Albracht,BC
中科院分区:
生物学2区
文献类型:
--
作者:
Hiraizumi,Y;Albracht,JM;Albracht,BC

文献摘要

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在黑腹果蝇(Drosophilamelanogaster)的一条特殊的X染色体supp-X(SD)中发现了M1、M2和M3三个元件,它们改变了SD系统中分离畸变的程度和方向。第一个元件M1位于y和cv基因座之间,可能靠近y基因座。第二个元素M2位于cv基因座附近,第三个元素M3位于y和car基因座之间。当在27.5 ℃下升高时,M1元件似乎导致SD-72的恢复率相对少量降低,但SD-72/cn bw雄性的cn bw染色体未降低。M_2和M_3元件使SD-72染色体的回收率显著降低,而使cn bw染色体的回收率增加。每个元素的减少量几乎与增加量相同。这两个元素中的每一个都建议在变形方向上存在某种类型的“开关”机制,它们的影响似乎是近似相加的。
Three elements, M1, M2 and M3, found in a special X chromosome, supp-X(SD), modify the degree and direction of segregation distortion in the SD system of Drosophila melanogaster. The first element, M1, is located between the y and the cv loci, probably close to the y locus. The second element, M2, is located near the cv locus and the third element, M3, is located between the y and the car loci. The M1 element appears to cause a relatively small amount of reduction in the rate of recovery of the SD-72, but not the cn bw, chromosome from SD-72/cn bw males, when raised at 27.5 degrees. The M2 and the M3 elements cause considerable decrease in the recovery rate of the SD-72 chromosome, whereas they increase the recovery rate of the cn bw chromosome. The amount of decrease is nearly the same as the amount of increase for each element. Some type of "switch" mechanism in the directions of distortion is suggested for each of these two elements and their effects appear to be approximately additive.
影响因子: 11.1
作者:
D. Hartl;Y. Hiraizumi;J. Crow
通讯作者: J. Crow
DOI: 10.1093/genetics/121.2.263
发表时间: 1989
期刊: Genetics
影响因子: 3.3
作者:
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通讯作者: Hiraizumi,Y
DOI: 10.1093/genetics/135.3.831
发表时间: 1993
期刊: Genetics
影响因子: 3.3
作者:
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通讯作者: Hiraizumi,Y
DOI: 10.1266/jjg.42.327
发表时间: 1967
期刊: The Japanese Journal of Genetics
影响因子: --
作者:
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通讯作者: Y. Kataoka
DOI: 10.1093/genetics/106.2.279
发表时间: 1984
期刊: Genetics
影响因子: 3.3
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