Comparative analysis of bat genomes provides insight into the evolution of flight and immunity.

Comparative analysis of bat genomes provides insight into the evolution of flight and immunity.
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BAT基因组的比较分析可洞悉飞行和免疫力的演变。

DOI:
10.1126/science.1230835
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发表时间:
2013-01-25
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Wang J
Wang J
中科院分区:
其他
文献类型:
--
作者:
Zhang G;Cowled C;Shi Z;Huang Z;Bishop-Lilly KA;Fang X;Wynne JW;Xiong Z;Baker ML;Zhao W;Tachedjian M;Zhu Y;Zhou P;Jiang X;Ng J;Yang L;Wu L;Xiao J;Feng Y;Chen Y;Sun X;Zhang Y;Marsh GA;Crameri G;Broder CC;Frey KG;Wang LF;Wang J

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蝙蝠是唯一能够持续飞行的哺乳动物,也是世界上一些最高致病性病毒的臭名昭著的宿主,包括尼帕病毒、亨德拉病毒、埃博拉病毒和SARS病毒。为了确定与蝙蝠特异性特征的发展相关的遗传变化,我们对两种远亲蝙蝠物种,果蝠和食虫鼠耳蝠进行了全基因组测序和比较分析。我们在DNA损伤检查点和NF-κB通路中发现了一个意想不到的正选择基因浓度,这可能与飞行的起源以及重要基因家族的扩展和收缩有关。蝙蝠基因组与其他哺乳动物物种的比较为蝙蝠生物学和进化提供了新的见解。
Bats are the only mammals capable of sustained flight and are notorious reservoir hosts for some of the world’s most highly pathogenic viruses, including Nipah, Hendra, Ebola and SARS. To identify genetic changes associated with the development of bat-specific traits, we performed whole genome sequencing and comparative analyses of two distantly related bat species, fruit bat Pteropus alecto and insectivorous Myotis davidii. We discovered an unexpected concentration of positively selected genes in the DNA damage checkpoint and NF-κB pathways that may be related to the origin of flight, as well as expansion and contraction of important gene families. Comparison of bat genomes with other mammalian species has provided new insights into bat biology and evolution.
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发表时间: 1998-01-15
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