The Input of DNA Sequences to Animal Systematics: Rodents as Study Cases

Granjon, Laurent; Montgelard, Claudine

doi:10.5772/37969

Cited by 9 publications

(11 citation statements)

References 176 publications

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“…badius , respectively. Molecular genetic analyses are increasingly used to delimit species, particularly in rodents (Baker & Bradley, ; Bryja et al., , ; Granjon & Montgelard, ; Taylor et al., ). In the following paragraphs, we discuss the status of rufocanus and eisentrauti based on our DNA sequence data, and data from the literature.…”

Section: Discussionmentioning

confidence: 99%

“…badius , respectively? DNA sequences have proven useful in rodent taxonomic and systematic studies, and they now represent a primary source of information when it comes to the delimitation of species and higher order taxa (Granjon & Montgelard, ). In this study, we combined mitochondrial and nuclear data to test the monophyly of the genus Hybomys and to assess the taxonomic status of several species.…”

Section: Introductionmentioning

confidence: 99%

“…In published molecular and morphological phylogenies, only H. univittatus has been included (Ducroz, Volobouev, & Granjon, 2001;Lecompte et al, 2008;Missoup et al, 2016;Schenk, Rowe, & Steppan, 2013 H. badius, respectively? DNA sequences have proven useful in rodent taxonomic and systematic studies, and they now represent a primary source of information when it comes to the delimitation of species and higher order taxa (Granjon & Montgelard, 2012). In this study, we combined mitochondrial and nuclear data to test the monophyly of the genus Hybomys and to assess the taxonomic status of several species.…”

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Molecular phylogenetic analyses indicate paraphyly of the genusHybomys(Rodentia: Muridae): Taxonomic implications

Missoup

Yemchui

Denys

et al. 2018

J Zool Syst Evol Res

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Widely distributed in Guineo‐Congolian forests, the genus Hybomys is represented by two species complexes (univittatus and trivirgatus), each restricted to one distinct forest block. In the last revision, these two species complexes were considered as distinct subgenera (Hybomys and Typomys). Previous morphological and karyological studies identified an important divergence between these two subgenera and raised the question of their taxonomic status (subgenus or genus). The number of species within this genus is also a matter of discussion: nine forms were described but only six (H. badius, H. basilii, H. lunaris, H. planifrons, H. trivirgatus, and H. univitttatus) are currently recognized as distinct species, the three others (H. pearcei, H. eisentrauti, and H. rufocanus) being considered as synonyms. The monophyly of the genus and its species have never been previously investigated with DNA sequence data. In this study, we combined mitochondrial and nuclear data (for a total of 3,264 nucleotide characters) to test the monophyly of Hybomys and to assess the specific status of H. eisentrauti and H. rufocanus. Our results highlight the paraphyly of the genus: members of the H. univittatus species complex appeared closely related to the genera Stochomys and Dephomys; representatives of H. trivirgatus are the sister clade of the node grouping Stochomys, Dephomys and member of the H. univittatus species complex. Combined with previous morphological findings, our results suggest that Typomys and Hybomys should be considered as two distinct genera. Based on tree topology and genetic distances, we propose to consider H. rufocanus as a valid species, distinct from H. univittaus, and to consider H. badius and H. eisentrauti as junior synonyms of H. rufocanus.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Molecular phylogenetic analyses indicate paraphyly of the genusHybomys(Rodentia: Muridae): Taxonomic implications

Missoup

Yemchui

Denys

et al. 2018

J Zool Syst Evol Res

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“…). However, important systematic gaps are still to be filled within the most species‐rich subfamilies such as Arvicolinae, Neotominae, Sigmodontinae, Murinae and Gerbillinae (Granjon and Montgelard ).…”

Section: Introductionmentioning

confidence: 99%

“…Significant progress was recently made using a combination of mitochondrial and nuclear gene sequences in groups such as Asian Rattini (35 genera, 167 species according to Musser and Carleton 2005;Pag es et al 2010), South American Phyllotini (12 genera, 50 species; Salazar-Bravo et al 2013) and Holarctic Myodini (five genera, 36 species; Kohli et al 2014). However, important systematic gaps are still to be filled within the most species-rich subfamilies such as Arvicolinae, Neotominae, Sigmodontinae, Murinae and Gerbillinae (Granjon and Montgelard 2012).…”

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confidence: 99%

Evolutionary systematics and biogeography of the arid habitat-adapted rodent genusGerbillus(Rodentia, Muridae): a mostly Plio-Pleistocene African history

Ndiaye

Chevret

Dobigny

et al. 2016

J Zool Syst Evol Res

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The systematics of the arid‐adapted Old World Gerbillus rodent genus has always been challenging, with many different taxonomic arrangements proposed. Beyond such taxonomic aspects, the timing and geographical pattern of the evolutionary history of this group remains largely unknown. Based on mitochondrial (cytochrome b) and nuclear (interphotoreceptor retinoid‐binding protein) sequences obtained from the specimens of 21 species, we conducted a phylogenetic analysis of the group, estimated the ages and putative ancestral ranges of its major lineages. Four major clades were clearly retrieved within Gerbillus, for which we propose a subgenus rank. We showed that the emergence of the genus dates back to the end of the Miocene, which corresponds to a period of aridification and C4 vegetation expansion in open habitats, while the four sublineages originated at the end of the Pliocene. Most subsequent diversification events occurred during the Pleistocene, a period characterized by recurrent climatic/environmental shifts with increasing aridification during the last two millions of years. Finally, we suggested that most of the Gerbillus evolutionary history took place in Africa. Only in a few instances did dispersal events from Africa to Asia give birth to extant Asian lineages, a pattern that contrasts with what has been found in many animal groups.

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Tempo of genetic diversification in southern African rodents: The role of Plio-Pleistocene climatic oscillations as drivers for speciation

Montgelard

Matthee

2012

Acta Oecologica

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The Input of DNA Sequences to Animal Systematics: Rodents as Study Cases

Cited by 9 publications

References 176 publications

Molecular phylogenetic analyses indicate paraphyly of the genusHybomys(Rodentia: Muridae): Taxonomic implications

Molecular phylogenetic analyses indicate paraphyly of the genusHybomys(Rodentia: Muridae): Taxonomic implications

Evolutionary systematics and biogeography of the arid habitat-adapted rodent genusGerbillus(Rodentia, Muridae): a mostly Plio-Pleistocene African history

Tempo of genetic diversification in southern African rodents: The role of Plio-Pleistocene climatic oscillations as drivers for speciation

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