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致倦库蚊中己糖激酶的遗传学

The genetics of hexokinase in a mosquito, Culex pipiens.

作者信息

Cheng M L, Hacker C S

出版信息

Genetics. 1979 Jul;92(3):903-13. doi: 10.1093/genetics/92.3.903.

Abstract

The genetics of hexokinase (HK) variants in a mosquito, Culex pipiens L., was studied using starch gel electrophoresis. Three isozymic forms of HK, all migrating anodally, were present in all three body regions, but in differing proportions. No obvious differences in specificity for three hexose sugars was detected among the three isozymic bands. However, qualitative differences in staining intensity indicate the following order of substrate affinity: glucose greater than fructose greater than mannose. The inheritance of the HK variants is controlled by a pair of co-dominant alleles at a single genetic locus.

摘要

利用淀粉凝胶电泳研究了致倦库蚊(Culex pipiens L.)中己糖激酶(HK)变体的遗传学。在其身体的三个部位均存在三种阳极迁移的HK同工酶形式,但比例不同。在这三条同工酶带中未检测到对三种己糖的特异性有明显差异。然而,染色强度的定性差异表明底物亲和力顺序如下:葡萄糖大于果糖大于甘露糖。HK变体的遗传由单个基因座上的一对共显性等位基因控制。

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