A genomic view of 500 million years of cnidarian evolution.

A genomic view of 500 million years of cnidarian evolution.
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DOI:
10.1016/j.tig.2010.10.002
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发表时间:
2011-01
期刊:
影响因子:
11.4
通讯作者:
Technau, Ulrich
Technau, Ulrich
中科院分区:
生物学1区
文献类型:
--
作者:
Steele, Robert E.;David, Charles N.;Technau, Ulrich

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蛇形动物(珊瑚、海葵、水母和水母)是进化生物学家、生态学家和发育生物学家感兴趣的一类不同的动物。随着九头蛇和线虫的基因组序列的公布,我们开始看到刺蛇生物学的基因组基础。蛇形目动物以其形态和生活周期的显著可塑性而闻名。这种可塑性反映在水蛇和线虫的基因组中,它们在大小、碱基组成、转座元素含量和基因保守性方面都有很大的不同。我们现在知道了犬科动物的基因组在5亿年后能做什么;下一个挑战是理解基因组历史是如何导致我们在犬科动物中看到的惊人多样性的。
Cnidarians (corals, anemones, jellyfish, and hydras) are a diverse group of animals of interest to evolutionary biologists, ecologists, and developmental biologists. With the publication of the genome sequences of Hydra and Nematostella, whose last common ancestor was the stem cnidarian, we are beginning to see the genomic underpinnings of cnidarian biology. Cnidarians are known for the remarkable plasticity of their morphology and life cycles. This plasticity is reflected in the Hydra and Nematostella genomes, which differ to an exceptional degree in size, base composition, transposable element content, and gene conservation. We now know what cnidarian genomes are capable of doing given 500 million years; the next challenge is to understand how this genomic history has led to the striking diversity we see in cnidarians.
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