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首页> 外文期刊>Genes & Genetic Systems >Chromosome-specific satellite sequences in Turritis glabra.
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Chromosome-specific satellite sequences in Turritis glabra.

机译：Turritis glabra中特定染色体的卫星序列。

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摘要

Two novel repetitive sequence families were isolated from Turritis glabra (2n=2x=12). These two repeat families are similar to those of centromeric repeats in Arabidopsis thaliana, are co-localized on one chromosome pair, and differ by about 20% from each other. Phylogenetic analysis revealed that the two repeat families of T. glabra are more similar to each other than to the centromeric repeat families of other Arabidopsis and related species. The relationships of satellite sequences reflected the species phylogeny, indicating that the replacement of satellite sequences has occurred in each species lineage independently, and shared variants could not have existed for a long time between species..
机译：从光滑Turritis（2n = 2x = 12）中分离出两个新的重复序列家族。这两个重复序列家族与拟南芥中着丝粒重复序列相似，位于一个染色体对上，彼此相差约20％。系统发育分析表明，T。glabra的两个重复家族比其他拟南芥和相关物种的着丝粒重复家族更为相似。卫星序列的关系反映了物种的系统发育，表明每个物种谱系中卫星序列的替换已独立发生，并且物种之间很长一段时间都不会存在共享的变体。

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