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Multidisciplinary approach to study evolutionary process and biogeographical patterns in neotropical fauna

Grant number: 14/02885-2
Support Opportunities:Regular Research Grants
Duration: February 01, 2015 - September 30, 2017
Field of knowledge:Biological Sciences - Genetics - Animal Genetics
Principal Investigator:Maria José de Jesus Silva
Grantee:Maria José de Jesus Silva
Host Institution: Instituto Butantan. Secretaria da Saúde (São Paulo - Estado). São Paulo , SP, Brazil


Studies aiming biodiversity characterization, species distribution, endemism, ecology, risks or threats of extinction are fundamental to understand the evolutionary history of the fauna and biomes, also being important for the implementation of biological conservation practices. The characterization of Neotropical biodiversity and identification of mechanisms that have shaped the diversity of lineages still require broad scientific investment. The history of Neotropical biomes is complex and geological events of the Neogene and environmental changes of the Quaternary played an important role in organism diversification. In this respect, this project employs small mammals and snakes as model-groups, aiming: (I) characterize biodiversity based on molecular systematics, morphology and geographic distribution, which are the main objective of all projects, and in the case of rodents karyological data will also be considered (II) investigate evolutionary patterns of different lineages, inferring associated processes based on cytogenetic, phylogenetic, phylogeographic, and diversification dating analyses; (III) infer biogeographic patterns in spatial and temporal scales, combining the findings of this work with literature information. Such information will assist in the inference of diversification dates of lineages and biomes of the Neotropical region, as well as factors responsible for these processes. Small mammals and snakes are appropriate model-groups for this type of study because they are widely distributed in Neotropical biomes and play an important role in medical and public health, since some of these lineages can be vectors of diseases and responsible for envenomation, respectively. This project is divided into nine subprojects in which the main objectives are presented at the end of each one of them. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DI-NIZO, CAMILLA BRUNO; DA SILVA BANCI, KARINA RODRIGUES; SATO-KUWABARA, YUKIE; SILVA, MARIA JOSE DE J.. Advances in cytogenetics of Brazilian rodents: cytotaxonomy, chromosome evolution and new karyotypic data. COMPARATIVE CYTOGENETICS, v. 11, n. 4, p. 833-892, . (14/02885-2)
DI-NIZO, CAMILLA BRUNO; FERGUSON-SMITH, MALCOLM ANDREW; SILVA, MARIA JOSE DE J.. Extensive genomic reshuffling involved in the karyotype evolution of genus Cerradomys (Rodentia: Sigmodontinae: Oryzomyini). GENETICS AND MOLECULAR BIOLOGY, v. 43, n. 4, . (14/02885-2)
CUBIDES-CUBILLOS, SERGIO D.; PATAN, JOSE S. L.; PEREIRA DA SILVA, KARINA MARIA; ALMEIDA-SANTOS, SELMA MARIA; POLYDORO, DENISE S.; GALASSI, GUILHERME GUIDOLIN; TRAVAGLIA CARDOSO, SILVIA REGINA; SILVA, MARIA JOSE DE J.. Evidence of facultative parthenogenesis in three Neotropical pitviper species of the Bothrops atrox group. PeerJ, v. 8, . (14/02885-2, 05/04557-3)
GUILARDI, MARIANA D.; JAYAT, PABLO; WEKSLER, MARCELO; PATTON, JAMES L.; ORTIZ, PABLO EDMUNDO; ALMEIDA, KEILA; SILVA, MARIA JOSE DE J.. A review of Euryoryzomys legatus (Rodentia, Sigmodontinae): morphological redescription, cytogenetics, and molecular phylogeny. PeerJ, v. 8, . (14/02885-2, 05/04557-3)
DI-NIZO, CAMILLA B.; SUAREZ-VILLOTA, ELKIN Y.; SILVA, MARIA JOSE J.. Species limits and recent diversification of Cerradomys (Sigmodontinae: Oryzomyini) during the Pleistocene. PeerJ, v. 10, p. 30-pg., . (14/02885-2)

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