Genética Evolutiva e Filogeografia










 

CONTATO:
Tel.: +55 (15)3229.5982
Evandro M. Moraes - emarsola@ufscar.br
Fernando F. Franco - franco@ufscar.br

 

 

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We found geographical and chronological evidence suggesting that the major vicariant events between D. antonietae and the D. serido haplogroup, as well as the demographic fluctuations in the lineages in the latter group, could be related to the causal effects of Pleistocene climatic changes on the spatial dynamics of the Seasonally Dry Tropical Forests in Brazil.”
(Franco & Manfrin. 2013. Recent demographic history of cactophilic Drosophila species can be related to Quaternary palaeoclimatic changes in South America. Journal of Biogeography).

“The phylogeographical and genetic patterns observed for D. gouveai in this study are consistent with changes in the distribution of dry vegetation in eastern Brazil. All of the estimates obtained by molecular dating indicate that range expansion and isolation pre-dated the Last Glacial Maximum, occurring during the late to middle Pleistocene, and were probably triggered by climatic changes during the Pleistocene.”
(Moraes et al. 2009. Phylogeography of the cactophilic species Drosophila gouveai: demographic events and divergence timing in dry vegetation enclaves in eastern Brazil. Journal of Biogeography)

“Here we describe the isolation and evaluation of 11 microsatellite loci for P. machrisii and test the transferability of those markers to other related species belonging to Pilosocereus.”
(Perez et al. 2011. Isolation, characterization, and cross-species amplification of polymorphic microsatellite markers for Pilosocereus machrisii (Cactaceae). American Journal of Botany).

“…the cross-amplified microsatellite markers were able to reveal differing results between the genetic variation and taxonomic separation involving both P. machrisii and P. aurisetus populations.”
(Moraes et al. 2012. Cross-species amplification of microsatellites reveals incongruence in the molecular variation and taxonomic limits of the Pilosocereus aurisetus group (Cactaceae). Genetica).

“…events of introgression were highlighted to refute the idea of period as a speciation gene in these groups. Due the introgression evidences found in the present paper, this same suggestion could be also ascribed to the period gene fragment of the D. buzzatii cluster species.”
(Franco et al. 2010. Intra- and interspecific divergence in the nuclear sequences of the clock gene period in species of the Drosophila buzzatii cluster. Journal of Zoological Systematics and Evolutionary Research).

 


 
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