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Secondary absence of mitochondria in Giardia lamblia and Trichomonas vaginalis revealed by valyl-tRNA synthetase phylogeny.缬氨酰 - tRNA合成酶系统发育揭示贾第虫和阴道毛滴虫中线粒体的继发性缺失
Proc Natl Acad Sci U S A. 1998 Jun 9;95(12):6860-5. doi: 10.1073/pnas.95.12.6860.
2
Primary structure and phylogenetic relationships of a malate dehydrogenase gene from Giardia lamblia.蓝氏贾第鞭毛虫苹果酸脱氢酶基因的一级结构及系统发育关系
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3
Sequence analysis of genes encoding ribosomal proteins of amitochondriate protists: L1 of Trichomonas vaginalis and L29 of Giardia lamblia.无线粒体原生生物核糖体蛋白编码基因的序列分析：阴道毛滴虫的L1和蓝氏贾第鞭毛虫的L29
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Unique phylogenetic relationships of glucokinase and glucosephosphate isomerase of the amitochondriate eukaryotes Giardia intestinalis, Spironucleus barkhanus and Trichomonas vaginalis.无线粒体真核生物肠贾第虫、巴氏螺旋体和阴道毛滴虫的葡萄糖激酶和磷酸葡萄糖异构酶的独特系统发育关系。
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Adaptor protein 2 regulates receptor-mediated endocytosis and cyst formation in Giardia lamblia.衔接蛋白 2 调节蓝氏贾第鞭毛虫中受体介导的内吞作用和囊泡形成。
Biochem J. 2010 Apr 28;428(1):33-45. doi: 10.1042/BJ20100096.
7
Prokaryotic and eukaryotic features observed on the secondary structures of Giardia SSU rRNAs and its phylogenetic implications.贾第虫小亚基核糖体核糖核酸二级结构中观察到的原核生物和真核生物特征及其系统发育意义。
Parasitol Res. 2007 Apr;100(5):1159-63. doi: 10.1007/s00436-007-0471-5. Epub 2007 Feb 6.
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Giardia mitosomes and trichomonad hydrogenosomes share a common mode of protein targeting.贾第虫动质体和毛滴虫氢化酶体具有共同的蛋白质靶向模式。
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A new scenario of plastid evolution: plastid primary endosymbiosis before the divergence of the "Plantae," emended.质体进化的一种新情况：“植物界”分化之前的质体初级内共生，修订版
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10
The origin of dihydroorotate dehydrogenase genes of kinetoplastids, with special reference to their biological significance and adaptation to anaerobic, parasitic conditions.动质体中二氢乳清酸脱氢酶基因的起源，特别涉及其生物学意义以及对厌氧寄生条件的适应性。
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本文引用的文献

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What are the microsporidia?微孢子虫是什么？
Parasitol Today. 1997 Dec;13(12):455-6. doi: 10.1016/s0169-4758(97)01123-x.
2
Evolutionary origins of trichomonad hydrogenosomes.毛滴虫氢化酶体的进化起源。
Parasitol Today. 1997 May;13(5):166-7. doi: 10.1016/s0169-4758(97)01036-3.
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A phylogenetic analysis of Aquifex pyrophilus.嗜热栖热菌的系统发育分析。
Syst Appl Microbiol. 1992 Aug;15(3):352-6. doi: 10.1016/S0723-2020(11)80207-9.
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The hydrogen hypothesis for the first eukaryote.关于首个真核生物的氢假说。
Nature. 1998 Mar 5;392(6671):37-41. doi: 10.1038/32096.
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Maintaining genetic code through adaptations of tRNA synthetases to taxonomic domains.通过使氨酰-tRNA合成酶适应不同分类域来维持遗传密码。
Trends Biochem Sci. 1997 Dec;22(12):453-7. doi: 10.1016/s0968-0004(97)01135-3.
6
A mitochondrial-like chaperonin 60 gene in Giardia lamblia: evidence that diplomonads once harbored an endosymbiont related to the progenitor of mitochondria.蓝氏贾第鞭毛虫中一个类似线粒体的伴侣蛋白60基因：双滴虫曾含有一种与线粒体祖先进化相关的内共生体的证据。
Proc Natl Acad Sci U S A. 1998 Jan 6;95(1):229-34. doi: 10.1073/pnas.95.1.229.
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Archaea and the prokaryote-to-eukaryote transition.古生菌与原核生物向真核生物的转变
Microbiol Mol Biol Rev. 1997 Dec;61(4):456-502. doi: 10.1128/mmbr.61.4.456-502.1997.
8
A mitochondrial Hsp70 orthologue in Vairimorpha necatrix: molecular evidence that microsporidia once contained mitochondria.梨形孢虫中的一种线粒体Hsp70同源物：微孢子虫曾经含有线粒体的分子证据。
Curr Biol. 1997 Dec 1;7(12):995-8. doi: 10.1016/s0960-9822(06)00420-9.
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Evolution of the hydrogenosome.氢化酶体的进化
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10
The evolution of the Calvin cycle from prokaryotic to eukaryotic chromosomes: a case study of functional redundancy in ancient pathways through endosymbiosis.卡尔文循环从原核染色体到真核染色体的演化：通过内共生对古老途径中功能冗余的一个案例研究。
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缬氨酰 - tRNA合成酶系统发育揭示贾第虫和阴道毛滴虫中线粒体的继发性缺失

Secondary absence of mitochondria in Giardia lamblia and Trichomonas vaginalis revealed by valyl-tRNA synthetase phylogeny.

作者信息

Hashimoto T, Sánchez L B, Shirakura T, Müller M, Hasegawa M

机构信息

The Institute of Statistical Mathematics, 4-6-7 Minami-Azabu, Minato-ku, Tokyo 106, Japan.

出版信息

Proc Natl Acad Sci U S A. 1998 Jun 9;95(12):6860-5. doi: 10.1073/pnas.95.12.6860.

DOI:10.1073/pnas.95.12.6860
PMID:9618503
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC22662/
Abstract

Nuclear-coded valyl-tRNA synthetase (ValRS) of eukaryotes is regarded of mitochondrial origin. Complete ValRS sequences obtained by us from two amitochondriate protists, the diplomonad, Giardia lamblia and the parabasalid, Trichomonas vaginalis were of the eukaryotic type, strongly suggesting an identical history of ValRS in all eukaryotes studied so far. The findings indicate that diplomonads are secondarily amitochondriate and give further evidence for such conclusion reached recently concerning parabasalids. Together with similar findings on other amitochondriate groups (microsporidia and entamoebids), this work provides critical support for the emerging notion that no representatives of the premitochondrial stage of eukaryotic phylogenesis exist among the species living today.

摘要

真核生物的核编码缬氨酰 - tRNA合成酶（ValRS）被认为起源于线粒体。我们从两种无线粒体的原生生物——双滴虫贾第虫和副基体阴道毛滴虫中获得的完整ValRS序列属于真核类型，这强烈表明到目前为止在所有研究的真核生物中ValRS具有相同的演化历史。这些发现表明双滴虫是次生无线粒体的，并为最近关于副基体的这一结论提供了进一步的证据。连同在其他无线粒体类群（微孢子虫和内阿米巴）上的类似发现，这项工作为一个新出现的观点提供了关键支持，即现存物种中不存在真核生物系统发生线粒体前期阶段的代表。