Transporter gene acquisition and innovation in the evolution of Microsporidia intracellular parasites.
Transporter gene acquisition and innovation in the evolution of Microsporidia intracellular parasites.
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DOI:
10.1038/s41467-018-03923-4
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发表时间:
2018-04-27
影响因子:
16.6
通讯作者:
Embley TM
中科院分区:
文献类型:
--
作者:
Dean P;Sendra KM;Williams TA;Watson AK;Major P;Nakjang S;Kozhevnikova E;Goldberg AV;Kunji ERS;Hirt RP;Embley TM
The acquisition of genes by horizontal transfer can impart entirely new biological functions and provide an important route to major evolutionary innovation. Here we have used ancient gene reconstruction and functional assays to investigate the impact of a single horizontally transferred nucleotide transporter into the common ancestor of the Microsporidia, a major radiation of intracellular parasites of animals and humans. We show that this transporter provided early microsporidians with the ability to steal host ATP and to become energy parasites. Gene duplication enabled the diversification of nucleotide transporter function to transport new substrates, including GTP and NAD+, and to evolve the proton-energized net import of nucleotides for nucleic acid biosynthesis, growth and replication. These innovations have allowed the loss of pathways for mitochondrial and cytosolic energy generation and nucleotide biosynthesis that are otherwise essential for free-living eukaryotes, resulting in the highly unusual and reduced cells and genomes of contemporary Microsporidia. Microsporidia are obligate intracellular parasites that infect both humans and animals. Here, Dean et al. perform ancient gene reconstruction and functional assays to investigate the evolution and functional diversification of nucleotide transporters which are key to the parasite's intracellular lifestyle.
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DOI:
10.1073/pnas.0907732106
发表时间:
2009-12-22
影响因子:
11.1
作者:
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通讯作者:
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影响因子:
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发表时间:
2014-10-28
影响因子:
11.1
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通讯作者:
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影响因子:
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通讯作者:
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作者:
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通讯作者:
Embley TM