Incomplete Co-cladogenesis Between Zootermopsis Termites and Their Associated Protists

Incomplete Co-cladogenesis Between Zootermopsis Termites and Their Associated Protists
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Zootermopsis 白蚁及其相关原生生物之间不完全的共同分支发生

DOI:
10.1093/ee/nvx193
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发表时间:
2018
影响因子:
1.7
通讯作者:
Gile, Gillian H
Gile, Gillian H
中科院分区:
农林科学3区
文献类型:
--
作者:
Taerum, Stephen J;De Martini, Francesca;Liebig, Jürgen;Gile, Gillian H

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协同进化是许多宿主共生体物种形成的主要驱动力。在白蚁-原生动物消化共生中,原生动物通过巢间的肛食垂直遗传。低等白蚁(除白蚁科以外的所有白蚁科)及其共生体在约1.7亿年的时间里广泛地共同多样化。然而,这一推论主要是基于某些原生生物属对某些白蚁科的限制性分布。除了一项研究,这表明一致的原生生物Pseudotrichonympha和它的Rhinotermitidae主机,在这种共生的共同进化没有被调查的分子方法。在这里,我们的特点是后肠共生原生生物(门Parabasalia)跨属Zootermopsis(Archotermopsidae)使用单细胞分离,分子生物遗传学,高通量扩增子测序。我们报告说,最深的分歧theZootermopsis phylogeny(Zootermopsis laticeps[银行;等翅目:Termopsidae])对应的分歧,在三个后肠原生生物物种。而冠白蚁Zootermopsistaxa(Zootermopsis angusticollis[哈根;等翅目:Termopsidae],Z. nevadensisnevadensis [哈根;等翅目:盖叶蜂科]和Z. nevadensis nuttingi[Haverty&Thorne; Isoptera:Termopsidae])共享相同的原生生物物种,在我们的方法下没有共物种形成的证据。我们将这种模式解释为不完全的共枝发生,虽然共生体交换的可能性不能完全排除。这是第一个分子证据表明,白蚁相关的原生生物物种的相同社区可以栖息在多个不同的宿主物种。
Coevolution is a major driver of speciation in many host-associated symbionts. In the termite-protist digestive symbiosis, the protists are vertically inherited by anal feeding among nest mates. Lower termites (all termite families except Termitidae) and their symbionts have broadly co-diversified over ~170 million yr. However, this inference is based mainly on the restricted distribution of certain protist genera to certain termite families. With the exception of one study, which demonstrated congruent phylogenies for the protistPseudotrichonymphaand its Rhinotermitidae hosts, coevolution in this symbiosis has not been investigated with molecular methods. Here we have characterized the hindgut symbiotic protists (Phylum Parabasalia) across the genusZootermopsis(Archotermopsidae) using single cell isolation, molecular phylogenetics, and high-throughput amplicon sequencing. We report that the deepest divergence in theZootermopsisphylogeny (Zootermopsis laticeps[Banks; Isoptera: Termopsidae]) corresponds with a divergence in three of the hindgut protist species. However, the crownZootermopsistaxa (Zootermopsis angusticollis[Hagen; Isoptera: Termopsidae],Z. nevadensis nevadensis[Hagen; Isoptera: Termopsidae], andZ. nevadensis nuttingi[Haverty & Thorne; Isoptera: Termopsidae]) share the same protist species, with no evidence of co-speciation under our methods. We interpret this pattern as incomplete co-cladogenesis, though the possibility of symbiont exchange cannot be entirely ruled out. This is the first molecular evidence that identical communities of termite-associated protist species can inhabit multiple distinct host species.
DOI: --
发表时间: 2013
期刊: Japanese Journal of Protozoology
影响因子: --
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发表时间: 2000-05
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影响因子: --
作者:
M. Ohkuma;Kuniyo Ohtoko;T. Iida;M. Tokura;S. Moriya;R. Usami;K. Horikoshi;T. Kudo
通讯作者: M. Ohkuma;Kuniyo Ohtoko;T. Iida;M. Tokura;S. Moriya;R. Usami;K. Horikoshi;T. Kudo
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DOI: --
发表时间: 1937
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作者:
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通讯作者: H. Kirby
DOI: 10.7717/peerj.1420
发表时间: 2015
期刊: PeerJ
影响因子: 2.7
作者:
Mahé F;Rognes T;Quince C;de Vargas C;Dunthorn M
通讯作者: Dunthorn M