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班克松(Pinus banksiana)在两个连锁群中至少有七个表达的乙醇脱氢酶基因。

Pinus banksiana has at least seven expressed alcohol dehydrogenase genes in two linked groups.

作者信息

Perry D J, Furnier G R

机构信息

Department of Forest Resources, University of Minnesota, St. Paul 55108-1027, USA.

出版信息

Proc Natl Acad Sci U S A. 1996 Nov 12;93(23):13020-3. doi: 10.1073/pnas.93.23.13020.

Abstract

The alcohol dehydrogenase (Adh) gene family is much more complex in Pinus banksiana than in angio-sperms, with at least seven expressed genes organized as two tightly linked clusters. Intron number and position are highly conserved between P. banksiana and angiosperms. Unlike angiosperm Adh genes, numerous duplications, as large as 217 bp, were observed within the noncoding regions of P. banksiana Adh genes and may be a common feature of conifer genes. A high frequency of duplication over a wide range of scales may contribute to the large genome size of conifers.

摘要

与被子植物相比,班克松中的乙醇脱氢酶(Adh)基因家族要复杂得多,至少有7个表达基因组成两个紧密连锁的簇。班克松和被子植物之间的内含子数量和位置高度保守。与被子植物的Adh基因不同,在班克松Adh基因的非编码区域内观察到大量长达217 bp的重复,这可能是针叶树基因的一个共同特征。在广泛的尺度上高频重复可能导致针叶树基因组较大。

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