Arid
DOI10.1016/j.ympev.2016.07.026
Molecular systematics and biodiversity of oniscidean isopods in the groundwater calcretes of central Western Australia
Javidkar, Mohammad1; Cooper, Steven J. B.1,2; King, Rachael A.1,2; Humphreys, William F.3,4; Bertozzi, Terry1,2; Stevens, Mark I.2,5; Austin, Andrew D.1
通讯作者Javidkar, Mohammad ; Cooper, Steven J. B.
来源期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
EISSN1095-9513
出版年2016
卷号104页码:83-98
英文摘要

Groundwater calcrete aquifers of central Western Australia have been shown to contain a high diversity of stygobiont (subterranean aquatic) invertebrates, with each species confined to an individual calcrete and the entire system resembling a ’subterranean archipelago’ containing hundreds of isolated calcretes. Here, we utilised alternative sampling techniques above the water table and uncovered a significant fauna of subterranean terrestrial oniscidean isopods from the calcretes. We explored the diversity and evolution of this fauna using molecular analyses based on one mitochondrial gene, Cytochrome C Oxidase Subunit I (COI), two Ribosomal RNA genes (28S and 18S), and one protein coding nuclear gene, Lysyl-tRNA Synthetase (LysRS). The results from 12 calcretes showed the existence of 36 divergent DNA lineages belonging to four oniscidean families (Paraplatyarthridae, Armadillidae, Stenoniscidae and Philosciidae). Using a combination of phylogenetic and species delimitation methods, we hypothesized the occurrence of at least 27 putative new species of subterranean oniscideans, of which 24 taxa appeared to be restricted to an individual calcrete, lending further support to the "subterranean island hypothesis". Three paraplatyarthrid species were present on adjacent calcretes and these exceptions possessed more ommatidia and body pigments compared with the calcrete-restricted taxa, and are likely to represent troglophiles.


The occurrence of stenoniscid isopods in the calcretes of central Western Australia, a group previously only known from the marine littoral zone, suggests a link to the marine inundation of the Eucla basin during the Late Eocene. The current oniscidean subterranean fauna consists of groups known to be subtropical, littoral and benthic, reflecting different historical events that have shaped the evolution of the fauna in the calcretes. (C) 2016 Elsevier Inc. All rights reserved.


英文关键词Groundwater calcretes Molecular systematics Oniscidean isopods Species delimitation Subterranean fauna
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000383217100008
WOS关键词TRANSFER-RNA-SYNTHETASE ; MITOCHONDRIAL-DNA PHYLOGEOGRAPHY ; SUBTERRANEAN DIVING BEETLES ; GENERA LIMBODESSUS GUIGNOT ; ARID ZONE ; UNDERGROUND WATERS ; DYTISCIDAE COLEOPTERA ; PHYLOGENETIC ANALYSES ; SPECIES DELIMITATION ; NUCLEOTIDE-SEQUENCES
WOS类目Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS研究方向Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195118
作者单位1.Univ Adelaide, Australian Ctr Evolutionary Biol & Biodivers, Sch Biol Sci, Adelaide, SA 5005, Australia;
2.South Australian Museum, Evolutionary Biol Unit, North Terrace, Adelaide, SA 5000, Australia;
3.Western Australian Museum, Welshpool Dc, WA 6986, Australia;
4.Univ Western Australia, Sch Anim Biol, Nedlands, WA 6009, Australia;
5.Univ South Australia, Sch Pharm & Med Sci, Adelaide, SA 5000, Australia
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Javidkar, Mohammad,Cooper, Steven J. B.,King, Rachael A.,et al. Molecular systematics and biodiversity of oniscidean isopods in the groundwater calcretes of central Western Australia[J]. University of Western Australia,2016,104:83-98.
APA Javidkar, Mohammad.,Cooper, Steven J. B..,King, Rachael A..,Humphreys, William F..,Bertozzi, Terry.,...&Austin, Andrew D..(2016).Molecular systematics and biodiversity of oniscidean isopods in the groundwater calcretes of central Western Australia.MOLECULAR PHYLOGENETICS AND EVOLUTION,104,83-98.
MLA Javidkar, Mohammad,et al."Molecular systematics and biodiversity of oniscidean isopods in the groundwater calcretes of central Western Australia".MOLECULAR PHYLOGENETICS AND EVOLUTION 104(2016):83-98.
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