Genome sequence of the tsetse fly (Glossina morsitans): vector of African trypanosomiasis.

Genome sequence of the tsetse fly (Glossina morsitans): vector of African trypanosomiasis.
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DOI:
10.1126/science.1249656
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发表时间:
2014-04-25
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
International Glossina Genome Initiative
International Glossina Genome Initiative
中科院分区:
其他
文献类型:
--
作者:
International Glossina Genome Initiative

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采采蝇是整个撒哈拉以南非洲地区人类非洲锥虫病的唯一媒介。两种性别的成年采采蝇都以血液为食,并有助于疾病传播。采采蝇与其他病媒的显著差异包括专性微生物共生、胎生繁殖和哺乳。在这里,我们描述了366兆碱基的morsitans morsitans基因组的序列和注释。对基因组和12308个预测蛋白编码基因的分析导致了多项发现,包括细菌(沃尔巴克氏体)基因组序列的染色体整合,一个哺乳特异性蛋白家族,宿主病原体识别蛋白的补体减少,以及嗅觉/化学感觉相关基因的减少。这些基因组数据为预防锥虫病的研究提供了基础,并对采采蝇生物学的多个方面产生了具有广泛意义的重要见解。
Tsetse flies are the sole vectors of human African trypanosomiasis throughout sub-Saharan Africa. Both sexes of adult tsetse feed exclusively on blood and contribute to disease transmission. Notable differences between tsetse and other disease vectors include obligate microbial symbioses, viviparous reproduction, and lactation. Here, we describe the sequence and annotation of the 366-megabase Glossina morsitans morsitans genome. Analysis of the genome and the 12,308 predicted protein–encoding genes led to multiple discoveries, including chromosomal integrations of bacterial (Wolbachia) genome sequences, a family of lactation-specific proteins, reduced complement of host pathogen recognition proteins, and reduced olfaction/chemosensory associated genes. These genome data provide a foundation for research into trypanosomiasis prevention and yield important insights with broad implications for multiple aspects of tsetse biology.
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