Polymorphisms and distribution of South American manatees (Trichechus spp.)

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1 Programa de Genética, Instituto Nacional de Câncer-INCA, Rio de Janeiro, RJ, Brasil
2 Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, SP, Brasil
3 Laboratório de Cultura de Tecidos e Citogenética-SAMAM, Instituto Evandro Chagas-IEC, Ananindeua, Pará, Brasil
4 Coordenação de Zoologia, Setor de Mastozoologia, Museu Paraense Emílio Goeldi-MPEG, Belém, Pará, Brasil
5 Laboratório de Enterobactérias, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brasil
DOI
10.7287/peerj.preprints.27787v1
Published
Accepted
Subject Areas
Biogeography, Conservation Biology, Genetics, Zoology, Biological Oceanography
Keywords
aquatic mammals, Atlantic sea, Amazonas river basin, Trichechus inunguis, Trichechus manatus, Aquatic mammals
Copyright
© 2019 Bonvicino et al.
Licence
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ Preprints) and either DOI or URL of the article must be cited.
Cite this article
Bonvicino CR, Viana MC, de Oliveira EH, Emin-Lima R, Silva Júnior JdSe, Sousa MEM, Siciliano S. 2019. Polymorphisms and distribution of South American manatees (Trichechus spp.) PeerJ Preprints 7:e27787v1

Abstract

Traditionally, the morphological attributes and the range of Trichechus species have been clearly established. However, we herein show that morphological traits, like belly and pectoral flipper coloration in South American manatees may be polymorphic. Karyotypic analysis of T. manatus allowed the precise identification of this species and confirmed the variability of the observed morphological findings. Molecular analysis based on cytochrome b DNA and the D-loop mitochondrial region showed shared haplotypes between T. inunguis and T. manatus, suggesting the presence of an ancestral polymorphism. These findings showed the need of improving the identification of these species before implementing conservation strategies. Finally, we present a complete report on the extant distribution of these species in South America.

Author Comment

This is a submission to PeerJ for review.

Supplemental Information

Gazetteer of Trichechus. Number before localities refer to figure 1

AMNH= American Museum of Natural History, New York, MPEG= Museu Paraense Emílio Goeldi, Belém, Pará state, IDSM= Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, Amazonas state, Aquasis= mammal collection of the Brazilian NGO Associação de Pesquisa e Preservação de Ecossistemas Aquáticos, Caucaia, Ceará state. CMA= Centro Mamíferos Aquáticos do ICMBio, Itamaracá, Pernambuco state.

DOI: 10.7287/peerj.preprints.27787v1/supp-1

Sequences CytB

Sequences Cyt B for Trichechus inunguis and Trichechus manatus

DOI: 10.7287/peerj.preprints.27787v1/supp-2

Salvatore Siciliano institutional ID card: Fiocruz, Rio de Janeiro

Uploaded figure of my institutional ID card: Ministério da Saúde, Fundação Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil

DOI: 10.7287/peerj.preprints.27787v1/supp-3

Trichechus D-Loop sequences

D-Loop sequences for Trichechus manatus and Trichechus inunguis

DOI: 10.7287/peerj.preprints.27787v1/supp-4