Molecular evolution of the Amy multigenes in the subgenus Sophophora of Drosophila.
Molecular evolution of the Amy multigenes in the subgenus Sophophora of Drosophila.
复制标题
果蝇槐亚属艾米多基因的分子进化。
DOI：
10.1093/oxfordjournals.molbev.a025837
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发表时间：
1997
影响因子：
10.7
通讯作者：
T. Yamazaki
中科院分区：
文献类型：
--
作者：
N. Inomata;H. Tachida;T. Yamazaki
利用PCR扩增技术对果蝇Amy多基因的分子进化进行了研究。测定了13种果蝇艾米亚属（Sophophora亚属）的25个艾米部分序列，并结合已发表的艾米序列构建了果蝇艾米基因的分子系统发育。物种的聚类大多与传统的分类和从其他基因推断的分类一致。从PCR产物的序列差异来看，包括秀丽隐杆线虫和福山线虫在内的一些物种可能具有多个Amy基因拷贝。一个内含子的丢失在苦参辐射后至少发生了三次。为了研究序列进化的机制，对5个世系中氨基酸替换和同义替换的数量进行了估计。同义代和替代代的相对数量在世系间存在异质性。讨论了选择在Amy基因序列进化中的可能作用。
Molecular evolution of the Amy multigenes in Drosophila was investigated using PCR amplification. Twenty-five partial Amy sequences from 13 species belonging mainly to the subgenus Sophophora were determine, and a molecular phylogeny of the Amy genes in Drosophila was constructed, together with published Amy sequences. Clustering of species are mostly consistent with the traditional classification and that inferred from other genes. From sequence divergence between PCR products, several species, including D. elegans and D. fuyamai, were suggested to have multiple copies of the Amy genes. The loss of an intron took place at least three times after the Sophophora radiation. In order to investigate the mechanism of sequence evolution, the numbers of amino acid replacement and synonymous substitutions in five lineages were estimated. The heterogeneity in the relative numbers of synonymous and replacement substitutions among the lineages was found. Possible roles of selection in the sequence evolution of the Amy gene are discussed.
影响因子：
10.7
作者：
C. Russo;N. Takezaki;M. Nei
通讯作者：
C. Russo;N. Takezaki;M. Nei
DOI：
10.1073/pnas.90.16.7475
发表时间：
1993-08-15
影响因子：
11.1
作者：
EANES, WF;KIRCHNER, M;YOON, J
通讯作者：
YOON, J
果蝇和米兰达果蝇α-淀粉酶基因座的结构组织。
DOI：
--
发表时间：
1987
期刊：
Isozymes
影响因子：
--
作者：
Doane,WW;Gemmill,RM;Schwartz,PE;Hawley,SA;Norman,RA
通讯作者：
Norman,RA