Arid
Are there two cryptic species of the lesser jerboa Jaculus jaculus (Rodentia: Dipodidae) in Tunisia? Evidence from molecular, morphometric, and cytogenetic data
Ben Faleh, Abderraouf1; Cosson, Jean Francois2; Tatard, Caroline2; Ben Othmen, Abdelwaheb1; Said, Khaled1; Granjon, Laurent3
通讯作者Ben Faleh, Abderraouf
来源期刊BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4066
EISSN1095-8312
出版年2010
卷号99期号:4页码:673-686
英文摘要

Jerboas belonging to the genus Jaculus are widely distributed rodents inhabiting Palearctic desert and semi-desert areas. Previous studies on the lesser Egyptian jerboa Jaculus jaculus showed the existence of various morphological forms of controversial taxonomic status. They were sometimes related to two different species, J. jaculus and Jaculus deserti, although this has not been recognized in recent taxonomic updates. To clarify the systematic status of J. jaculus in Tunisia, we performed molecular (phylogenetic analyses of cytochrome b sequences), morphological (multivariate analyses of 13 skull measurements) and karyotypic (standard preparations from bone marrow cells) analyses on a number of specimens collected from ten localities. Our analyses revealed two monophyletic, well differentiated clades, with a mean genetic divergence value (K2P = 10.9 +/- 0.01%), which is within the range of distances generally observed between rodent species. Morphometric analyses clearly separated populations of the two genetic clades from each other. However, karyotypes of individuals from both clades appeared similar. Individuals from both molecular clades/morphometric groups were found in sympatry in most of the localities sampled. These results, as obtained from a restricted area of the total distribution, suggest that there are two separate species within the currently accepted J. jaculus in Tunisia. Alternative hypotheses such as the occurrence of a strong, ancient phylogeographic structure, or the presence of pseudogenes, are also considered to account for the results obtained. (C) 2010 The Linnean Society of London, Biological Journal of the Linnean Society, 2010, 99, 673-686.


英文关键词Jaculus deserti molecular systematics morphological characters North Africa
类型Article
语种英语
国家Tunisia ; France ; Senegal
收录类别SCI-E
WOS记录号WOS:000276168100002
WOS关键词WHITE-TOOTHED SHREW ; KARYOTYPIC DATA ; MURIDAE ; SYSTEMATICS ; EVOLUTION ; PHYLOGEOGRAPHY ; GERBILLINAE ; SORICIDAE ; SEQUENCES ; TAXONOMY
WOS类目Evolutionary Biology
WOS研究方向Evolutionary Biology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/163483
作者单位1.Inst Super Biotechnol Monastir, Unite Rech Genet Biodivers & Valorisat Bioresourc, Tunis 5000, Tunisia;
2.Montpellier Sup Agro, UMR CBGP INRA IRD Cirad, F-34988 Montferrier Sur Lez, France;
3.Montpellier Sup Agro, Ctr Biol & Gest Populat UMR IRD INRA CIRAD, IRD UMR022, Dakar, Senegal
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Ben Faleh, Abderraouf,Cosson, Jean Francois,Tatard, Caroline,et al. Are there two cryptic species of the lesser jerboa Jaculus jaculus (Rodentia: Dipodidae) in Tunisia? Evidence from molecular, morphometric, and cytogenetic data[J]. French National Research Institute for Sustainable Development,2010,99(4):673-686.
APA Ben Faleh, Abderraouf,Cosson, Jean Francois,Tatard, Caroline,Ben Othmen, Abdelwaheb,Said, Khaled,&Granjon, Laurent.(2010).Are there two cryptic species of the lesser jerboa Jaculus jaculus (Rodentia: Dipodidae) in Tunisia? Evidence from molecular, morphometric, and cytogenetic data.BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,99(4),673-686.
MLA Ben Faleh, Abderraouf,et al."Are there two cryptic species of the lesser jerboa Jaculus jaculus (Rodentia: Dipodidae) in Tunisia? Evidence from molecular, morphometric, and cytogenetic data".BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY 99.4(2010):673-686.
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