`Missing link' species Capsella orientalis and Capsella thracica elucidate evolution of model plant genus Capsella (Brassicaceae)

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dc.contributor.authorHurka, Herbert
dc.contributor.authorFriesen, Nikolai
dc.contributor.authorGerman, Dmitry A.
dc.contributor.authorFranzke, Andreas
dc.contributor.authorNeuffer, Barbara
dc.date.accessioned2021-12-23T16:15:38Z-
dc.date.available2021-12-23T16:15:38Z-
dc.date.issued2012
dc.identifier.issn09621083
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/11516-
dc.description.abstractTo elucidate the evolutionary history of the genus Capsella, we included the hitherto poorly known species C.similar to orientalis and C.similar to thracica into our studies together with C.similar to grandiflora, C.similar to rubella and C.similar to bursa-pastoris. We sequenced the ITS and four loci of noncoding cpDNA regions (trnL F, rps16, trnH psbA and trnQ rps16). Sequence data were evaluated with parsimony and Bayesian analyses. Divergence time estimates were carried out with the software package BEAST. We also performed isozyme, cytological, morphological and biogeographic studies. Capsella orientalis (self-compatible, SC; 2n = 16) forms a clade (eastern lineage) with C.similar to bursa-pastoris (SC; 2n = 32), which is a sister clade (western lineage) to C.similar to grandiflora (self-incompatible, SI; 2n = 16) and C.similar to rubella (SC; 2n = 16). Capsella bursa-pastoris is an autopolyploid species of multiple origin, whereas the Bulgarian endemic C.similar to thracica (SC; 2n = 32) is allopolyploid and emerged from interspecific hybridization between C.similar to bursa-pastoris and C.similar to grandiflora. The common ancestor of the two lineages was diploid and SI, and its distribution ranged from eastern Europe to central Asia, predominantly confined to steppe-like habitats. Biogeographic dynamics during the Pleistocene caused geographic and genetic subdivisions within the common ancestor giving rise to the two extant lineages.
dc.description.sponsorshipDeutsche Forschungsgemeinschaft DFGGerman Research Foundation (DFG); Deutscher Akademischer Austauschdienst DAADDeutscher Akademischer Austausch Dienst (DAAD); The authors wish to thank Ulrike Coja, Claudia Gieshoidt and Rudi Grupe for technical assistance in sequencing, allozyme analyses and cultivation of plants; and Sara Mayland-Quellhorst and Carina Titel for chromosome counting and flow cytometry analyses. We thank Minco Ancev, Sofia, for help in collecting Capsella thracica in Bulgaria. We are thankful to Lucille Schmieding for correcting the English text. Financial support by the Deutsche Forschungsgemeinschaft DFG and by the Deutscher Akademischer Austauschdienst DAAD is greatly acknowledged.
dc.language.isoen
dc.publisherWILEY
dc.relation.ispartofMOLECULAR ECOLOGY
dc.subjectANGIOSPERMS
dc.subjectARABIDOPSIS-THALIANA
dc.subjectBiochemistry & Molecular Biology
dc.subjectbiogeography
dc.subjectCapsella
dc.subjectCHLOROPLAST
dc.subjectcpDNA
dc.subjectEcology
dc.subjectEnvironmental Sciences & Ecology
dc.subjectEvolutionary Biology
dc.subjectHISTORY
dc.subjectisozymes
dc.subjectITS
dc.subjectMOLECULAR SYSTEMATICS
dc.subjectNONCODING REGIONS
dc.subjectPHYLOGENY
dc.subjectphylogeny age estimation
dc.subjectRECENT SPECIATION
dc.subjectREPRODUCTIVE ISOLATION
dc.subjectSELF-INCOMPATIBILITY
dc.title`Missing link' species Capsella orientalis and Capsella thracica elucidate evolution of model plant genus Capsella (Brassicaceae)
dc.typejournal article
dc.identifier.doi10.1111/j.1365-294X.2012.05460.x
dc.identifier.isiISI:000300699500016
dc.description.volume21
dc.description.issue5
dc.description.startpage1223
dc.description.endpage1238
dc.contributor.orcid0000-0001-7951-1644
dc.contributor.orcid0000-0003-3547-3257
dc.contributor.researcheridD-6727-2014
dc.contributor.researcheridQ-6030-2017
dc.identifier.eissn1365294X
dc.publisher.place111 RIVER ST, HOBOKEN 07030-5774, NJ USA
dcterms.isPartOf.abbreviationMol. Ecol.
crisitem.author.deptFB 05 - Biologie/Chemie-
crisitem.author.deptFB 05 - Biologie/Chemie-
crisitem.author.deptidfb05-
crisitem.author.deptidfb05-
crisitem.author.orcid0000-0003-3547-3257-
crisitem.author.parentorgUniversität Osnabrück-
crisitem.author.parentorgUniversität Osnabrück-
crisitem.author.netidFrNi535-
crisitem.author.netidNeBa468-
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