Mitochondrial and nuclear genes-based phylogeography of Arvicanthis niloticus (Murinae) and sub-Saharan open habitats pleistocene history
A phylogeographic study was conducted on the Nile grass rat, Arvicanthis niloticus, a rodent species that is tightly associated with open grasslands from the Sudano-Sahelian regions. Using one mitochondrial (cytochrome b) and one nuclear (intron 7 of Beta Fibrinogen) gene, robust patterns were retri...
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description | A phylogeographic study was conducted on the Nile grass rat, Arvicanthis niloticus, a rodent species that is tightly associated with open grasslands from the Sudano-Sahelian regions. Using one mitochondrial (cytochrome b) and one nuclear (intron 7 of Beta Fibrinogen) gene, robust patterns were retrieved that clearly show that (i) the species originated in East Africa concomitantly with expanding grasslands some 2 Ma, and (ii) four parapatric and genetically well-defined lineages differentiated essentially from East to West following Pleistocene bioclimatic cycles. This strongly points towards allopatric genetic divergence within savannah refuges during humid episodes, then dispersal during arid ones; secondary contact zones would have then stabilized around geographic barriers, namely, Niger River and Lake Chad basins. Our results pertinently add to those obtained for several other African rodent as well as non-rodent species that inhabit forests, humid zones, savannahs and deserts, all studies that now allow one to depict a more comprehensive picture of the Pleistocene history of the continent south of the Sahara. In particular, although their precise location remains to be determined, at least three Pleistocene refuges are identified within the West and Central African savannah biome. |
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Using one mitochondrial (cytochrome b) and one nuclear (intron 7 of Beta Fibrinogen) gene, robust patterns were retrieved that clearly show that (i) the species originated in East Africa concomitantly with expanding grasslands some 2 Ma, and (ii) four parapatric and genetically well-defined lineages differentiated essentially from East to West following Pleistocene bioclimatic cycles. This strongly points towards allopatric genetic divergence within savannah refuges during humid episodes, then dispersal during arid ones; secondary contact zones would have then stabilized around geographic barriers, namely, Niger River and Lake Chad basins. Our results pertinently add to those obtained for several other African rodent as well as non-rodent species that inhabit forests, humid zones, savannahs and deserts, all studies that now allow one to depict a more comprehensive picture of the Pleistocene history of the continent south of the Sahara. In particular, although their precise location remains to be determined, at least three Pleistocene refuges are identified within the West and Central African savannah biome.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0077815</identifier><identifier>PMID: 24223730</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Africa South of the Sahara ; Animal biology ; Animal Distribution ; Animals ; Aridity ; Arvicanthis niloticus ; Basins ; Bayes Theorem ; Bioclimatology ; Biodiversity ; Biogeography ; Cytochrome ; Cytochrome b ; Cytochromes b - genetics ; Deserts ; Dispersal ; Divergence ; Fibrin ; Fibrinogen ; Fibrinogen - genetics ; Forest humidity ; Genes, Mitochondrial ; Genetic aspects ; Genetic Variation ; Grasslands ; Haplotypes ; Hippotragus equinus ; History ; Humanities and Social Sciences ; Lake basins ; Life Sciences ; Mitochondria ; Mitochondrial DNA ; Models, Genetic ; Murinae ; Murinae - genetics ; Other ; Phylogeography ; Pleistocene ; Population genetics ; Refuges ; Rivers ; Rodentia ; Savannahs ; Sequence Analysis, DNA ; Species</subject><ispartof>PloS one, 2013-11, Vol.8 (11), p.e77815-e77815</ispartof><rights>COPYRIGHT 2013 Public Library of Science</rights><rights>2013 Dobigny et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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Using one mitochondrial (cytochrome b) and one nuclear (intron 7 of Beta Fibrinogen) gene, robust patterns were retrieved that clearly show that (i) the species originated in East Africa concomitantly with expanding grasslands some 2 Ma, and (ii) four parapatric and genetically well-defined lineages differentiated essentially from East to West following Pleistocene bioclimatic cycles. This strongly points towards allopatric genetic divergence within savannah refuges during humid episodes, then dispersal during arid ones; secondary contact zones would have then stabilized around geographic barriers, namely, Niger River and Lake Chad basins. Our results pertinently add to those obtained for several other African rodent as well as non-rodent species that inhabit forests, humid zones, savannahs and deserts, all studies that now allow one to depict a more comprehensive picture of the Pleistocene history of the continent south of the Sahara. In particular, although their precise location remains to be determined, at least three Pleistocene refuges are identified within the West and Central African savannah biome.</description><subject>Africa South of the Sahara</subject><subject>Animal biology</subject><subject>Animal Distribution</subject><subject>Animals</subject><subject>Aridity</subject><subject>Arvicanthis niloticus</subject><subject>Basins</subject><subject>Bayes Theorem</subject><subject>Bioclimatology</subject><subject>Biodiversity</subject><subject>Biogeography</subject><subject>Cytochrome</subject><subject>Cytochrome b</subject><subject>Cytochromes b - genetics</subject><subject>Deserts</subject><subject>Dispersal</subject><subject>Divergence</subject><subject>Fibrin</subject><subject>Fibrinogen</subject><subject>Fibrinogen - genetics</subject><subject>Forest humidity</subject><subject>Genes, Mitochondrial</subject><subject>Genetic aspects</subject><subject>Genetic Variation</subject><subject>Grasslands</subject><subject>Haplotypes</subject><subject>Hippotragus equinus</subject><subject>History</subject><subject>Humanities and Social Sciences</subject><subject>Lake basins</subject><subject>Life Sciences</subject><subject>Mitochondria</subject><subject>Mitochondrial DNA</subject><subject>Models, Genetic</subject><subject>Murinae</subject><subject>Murinae - genetics</subject><subject>Other</subject><subject>Phylogeography</subject><subject>Pleistocene</subject><subject>Population genetics</subject><subject>Refuges</subject><subject>Rivers</subject><subject>Rodentia</subject><subject>Savannahs</subject><subject>Sequence Analysis, DNA</subject><subject>Species</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNptUk1v1DAQjRCIlsI_QBCJS3vI4q8kzqXSqgJaqRUH4GxNnEniVdZe7GSl_Qn8a5zutupWlQ8ZTd574zd-SfKRkgXlJf26cpO3MCw2zuKCkLKUNH-VnNKKs6xghL9-Up8k70JYEZJzWRRvkxMmGOMlJ6fJvzszOt0723gDQwq2Se2kBwSfdmgxZDUEbNJNvxtch67zEMvUtenSb40GO_YmpNYMbjR6Cun53eSNBby4VwpTnf2CHjzY1G3Qpj3UZoQxpJsBTYiD44i0nyu_e5-8aWEI-OHwPUv-fP_2--o6u_354-ZqeZvpgpVjJliNbS6buo1HF7IGxKJFKSmvBMc6b2uEopRSyJzJXBMO2GoqatFgjbriZ8nnve5mcEEdthgUFaKUjFFKIuJmj2gcrNTGmzX4nXJg1H3D-U6Bj34HVFXDRQNCt4JVQkgBNL4NapoTwiraQNS6PEyb6jU20fDoYTgSPf5jTa86t1U8PiejMgpc7AX6Z7Tr5a2ae4RSWZVlsaURe34Y5t3fCcOo1iZoHAaw6KbZYy5zImTFI_TLM-jLmzigOohmjW1dvKOeRdUygqLjghURtXgBFU-Da6NjPFsT-0cEsSdo70Lw2D4ao0TN4X64jJrDrQ7hjrRPT3f5SHpIM_8PJ9D5jw</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Dobigny, Gauthier</creator><creator>Tatard, Caroline</creator><creator>Gauthier, Philippe</creator><creator>Ba, Khalilou</creator><creator>Duplantier, Jean-Marc</creator><creator>Granjon, Laurent</creator><creator>Kergoat, Gael J</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>1XC</scope><scope>BXJBU</scope><scope>IHQJB</scope><scope>VOOES</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-8284-6215</orcidid><orcidid>https://orcid.org/0000-0001-8363-6845</orcidid></search><sort><creationdate>20131101</creationdate><title>Mitochondrial and nuclear genes-based phylogeography of Arvicanthis niloticus (Murinae) and sub-Saharan open habitats pleistocene history</title><author>Dobigny, Gauthier ; Tatard, Caroline ; Gauthier, Philippe ; Ba, Khalilou ; Duplantier, Jean-Marc ; Granjon, Laurent ; Kergoat, Gael J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c627t-42bef58dbfbfbc68baee6fe8813943eb5fbea6788485285c03aefc14b4debec93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Africa South of the Sahara</topic><topic>Animal biology</topic><topic>Animal Distribution</topic><topic>Animals</topic><topic>Aridity</topic><topic>Arvicanthis niloticus</topic><topic>Basins</topic><topic>Bayes Theorem</topic><topic>Bioclimatology</topic><topic>Biodiversity</topic><topic>Biogeography</topic><topic>Cytochrome</topic><topic>Cytochrome b</topic><topic>Cytochromes b - genetics</topic><topic>Deserts</topic><topic>Dispersal</topic><topic>Divergence</topic><topic>Fibrin</topic><topic>Fibrinogen</topic><topic>Fibrinogen - genetics</topic><topic>Forest humidity</topic><topic>Genes, Mitochondrial</topic><topic>Genetic aspects</topic><topic>Genetic Variation</topic><topic>Grasslands</topic><topic>Haplotypes</topic><topic>Hippotragus equinus</topic><topic>History</topic><topic>Humanities and Social Sciences</topic><topic>Lake basins</topic><topic>Life Sciences</topic><topic>Mitochondria</topic><topic>Mitochondrial DNA</topic><topic>Models, Genetic</topic><topic>Murinae</topic><topic>Murinae - genetics</topic><topic>Other</topic><topic>Phylogeography</topic><topic>Pleistocene</topic><topic>Population genetics</topic><topic>Refuges</topic><topic>Rivers</topic><topic>Rodentia</topic><topic>Savannahs</topic><topic>Sequence Analysis, DNA</topic><topic>Species</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dobigny, Gauthier</creatorcontrib><creatorcontrib>Tatard, Caroline</creatorcontrib><creatorcontrib>Gauthier, Philippe</creatorcontrib><creatorcontrib>Ba, Khalilou</creatorcontrib><creatorcontrib>Duplantier, Jean-Marc</creatorcontrib><creatorcontrib>Granjon, Laurent</creatorcontrib><creatorcontrib>Kergoat, Gael J</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Meteorological & Geoastrophysical Abstracts - 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Using one mitochondrial (cytochrome b) and one nuclear (intron 7 of Beta Fibrinogen) gene, robust patterns were retrieved that clearly show that (i) the species originated in East Africa concomitantly with expanding grasslands some 2 Ma, and (ii) four parapatric and genetically well-defined lineages differentiated essentially from East to West following Pleistocene bioclimatic cycles. This strongly points towards allopatric genetic divergence within savannah refuges during humid episodes, then dispersal during arid ones; secondary contact zones would have then stabilized around geographic barriers, namely, Niger River and Lake Chad basins. Our results pertinently add to those obtained for several other African rodent as well as non-rodent species that inhabit forests, humid zones, savannahs and deserts, all studies that now allow one to depict a more comprehensive picture of the Pleistocene history of the continent south of the Sahara. In particular, although their precise location remains to be determined, at least three Pleistocene refuges are identified within the West and Central African savannah biome.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24223730</pmid><doi>10.1371/journal.pone.0077815</doi><orcidid>https://orcid.org/0000-0002-8284-6215</orcidid><orcidid>https://orcid.org/0000-0001-8363-6845</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Africa South of the Sahara Animal biology Animal Distribution Animals Aridity Arvicanthis niloticus Basins Bayes Theorem Bioclimatology Biodiversity Biogeography Cytochrome Cytochrome b Cytochromes b - genetics Deserts Dispersal Divergence Fibrin Fibrinogen Fibrinogen - genetics Forest humidity Genes, Mitochondrial Genetic aspects Genetic Variation Grasslands Haplotypes Hippotragus equinus History Humanities and Social Sciences Lake basins Life Sciences Mitochondria Mitochondrial DNA Models, Genetic Murinae Murinae - genetics Other Phylogeography Pleistocene Population genetics Refuges Rivers Rodentia Savannahs Sequence Analysis, DNA Species |
title | Mitochondrial and nuclear genes-based phylogeography of Arvicanthis niloticus (Murinae) and sub-Saharan open habitats pleistocene history |
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