000070985 001__ 70985
000070985 005__ 20190709135538.0
000070985 0247_ $$2doi$$a10.7717/peerj.3815
000070985 0248_ $$2sideral$$a104823
000070985 037__ $$aART-2017-104823
000070985 041__ $$aeng
000070985 100__ $$aPimentel, M.
000070985 245__ $$aAre diversification rates and chromosome evolution in the temperate grasses (Pooideae) associated with major environmental changes in the Oligocene-Miocene?
000070985 260__ $$c2017
000070985 5060_ $$aAccess copy available to the general public$$fUnrestricted
000070985 5203_ $$aThe Pooideae are a highly diverse C3 grass subfamily that includes some of the most economically important crops, nested within the highly speciose core-pooid clade. Here, we build and explore the phylogeny of the Pooideae within a temporal framework, assessing its patterns of diversification and its chromosomal evolutionary changes in the light of past environmental transformations. We sequenced five plastid DNA loci, two coding (ndhF, matk) and three non-coding (trnH-psbA, trnT-L and trnL-F), in 163 Poaceae taxa, including representatives for all subfamilies of the grasses and all but four ingroup Pooideae tribes. Parsimony and Bayesian phylogenetic analyses were conducted and divergence times were inferred in BEAST using a relaxed molecular clock. Diversification rates were assessed using the MEDUSA approach, and chromosome evolution was analyzed using the chromEvol software. Diversification of the Pooideae started in the Late-Eocene and was especially intense during the Oligocene- Miocene. The background diversification rate increased significantly at the time of the origin of the Poodae + Triticodae clade. This shift in diversification occurred in a context of falling temperatures that potentially increased ecological opportunities for grasses adapted to open areas around the world. The base haploid chromosome number nD7 has remained stable throughout the phylogenetic history of the core pooids and we found no link between chromosome transitions and major diversification events in the Pooideae.
000070985 536__ $$9info:eu-repo/grantAgreement/ES/DGA/FSE$$9info:eu-repo/grantAgreement/ES/MINECO/CGL2006-00319$$9info:eu-repo/grantAgreement/ES/MINECO/CGL2009-12955-C02-01$$9info:eu-repo/grantAgreement/ES/MINECO/CGL2009-12955-C02-02
000070985 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000070985 590__ $$a2.118$$b2017
000070985 591__ $$aMULTIDISCIPLINARY SCIENCES$$b19 / 64 = 0.297$$c2017$$dQ2$$eT1
000070985 592__ $$a1.087$$b2017
000070985 593__ $$aAgricultural and Biological Sciences (miscellaneous)$$c2017$$dQ1
000070985 593__ $$aBiochemistry, Genetics and Molecular Biology (miscellaneous)$$c2017$$dQ1
000070985 593__ $$aMedicine (miscellaneous)$$c2017$$dQ1
000070985 593__ $$aNeuroscience (miscellaneous)$$c2017$$dQ2
000070985 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000070985 700__ $$aEscudero, M.
000070985 700__ $$aSahuquillo, E.
000070985 700__ $$aMinaya, M.Á.
000070985 700__ $$0(orcid)0000-0001-7793-5259$$aCatalán, P.$$uUniversidad de Zaragoza
000070985 7102_ $$15011$$2063$$aUniversidad de Zaragoza$$bDpto. CC.Agrar.y Medio Natural$$cÁrea Botánica
000070985 773__ $$g2017, 9 (2017), e3815 [29 pp]$$pPeerJ$$tPeerJ$$x2167-8359
000070985 8564_ $$s335240$$uhttps://zaguan.unizar.es/record/70985/files/texto_completo.pdf$$yVersión publicada
000070985 8564_ $$s92572$$uhttps://zaguan.unizar.es/record/70985/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000070985 909CO $$ooai:zaguan.unizar.es:70985$$particulos$$pdriver
000070985 951__ $$a2019-07-09-12:06:19
000070985 980__ $$aARTICLE