Genetics of microtubule systems.

Genetics of microtubule systems.
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DOI:
10.1083/jcb.99.1.1
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发表时间:
1984-07
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Raff EC
Raff EC
中科院分区:
其他
文献类型:
--
作者:
Raff EC

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在大多数真核生物中,微管蛋白基因由多基因家族组成,α-微管蛋白和β-微管蛋白(微管的结构蛋白)的基因数量大致相等。最近在几个物种中分离的微管蛋白突变被证明是检查特定微管组的结构和功能的有力工具。在黑腹果蝇中,对睾丸特异性β-微管蛋白基因的遗传分析表明,单个微管蛋白基因产物可以实现许多不同的微管功能。除了微管蛋白突变,其产物参与特定微管阵列的调节或结构的其他基因中的突变也已被分离。这两类突变分析的结合开始允许三维细胞结构的构建和功能的分子描述。此外,这些研究还可能揭示进化压力,这些压力产生并维持编码非常相似蛋白质的基因小家族。
In most eucaryotes the tubulin genes comprise small multigene families with approximately equal numbers of genes for alpha- and beta-tubulin, the structural proteins of microtubules. The recent isolation of tubulin mutations in several species is proving to be a powerful tool for examining the structure and function of specific sets of microtubules. In Drosophila melanogaster, genetic analysis of a testis- specific beta-tubulin gene has shown that a single tubulin gene product may fulfill a number of different microtubule functions. In addition to tubulin mutations, mutations in other genes whose products are involved in the regulation or structure of specific microtubule arrays have also been isolated. The combination of analysis of both classes of mutations is beginning to allow a molecular description of the construction and function of three-dimensional cellular structures. In addition, such studies may also shed light on the evolutionary pressures that gave rise to and serve to maintain small families of genes encoding very similar proteins.
DOI: 10.1083/jcb.97.3.919
发表时间: 1983-09
期刊: The Journal of cell biology
影响因子: --
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