Unravelling host and symbiont phylogenies of halichondrid sponges (Demospongiae, Porifera) using a mitochondrial marker

被引：82

作者：

Erpenbeck, D ^{[1
]}

Breeuwer, JAJ ^{[1
]}

van der Velde, HC ^{[1
]}

van Soest, RWM ^{[1
]}

机构：

[1] Univ Amsterdam, Inst Biodivers & Ecosyst Dynam, NL-1090 GT Amsterdam, Netherlands

来源：

MARINE BIOLOGY | 2002年 / 141卷 / 02期

关键词：

D O I：

10.1007/s00227-002-0785-x

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

We present the first comparative phylogenetic analysis of a selected set of marine sponges and their bacterial associates. The Halichondrida form an important order in demosponge systematics and are of a particular interest due to the production of secondary metabolites. We sequenced a fragment of the cytochrome oxidase subunit 1 (CO1) gene of the sponges and their bacterial associates, compared the reconstructed phylogenies and found evidence for radiation in coevolution. The tree of six host-species associations showed four supported cospeciation events between the sponges and the bacteria. In addition, we present the first gene tree of sponges based on a mitochondrial marker. The tree shows major congruences with previous morphological studies and suggests the applicability of a mitochondrial marker in sponge molecular systematics.

引用

页码：377 / 386

页数：10

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