Dataset Information

Bothrops bilineatus: An Arboreal Pitviper in the Amazon and Atlantic Forest.

ABSTRACT: The two-striped forest-pitviper (Bothrops bilineatus) is an arboreal snake that is currently represented by two subspecies (B. b. bilineatus and B. b. smaragdinus) that comprise a species complex, and its distribution is in the Amazon and the Atlantic Forest. The rarity of encounters with this snake is reflected in the low occurrence of cases of snakebites throughout its geographic distribution and the resulting low number of published clinical reports. However, in some areas, B. bilineatus proves to be more frequent and causes envenomations in a greater proportion. Herein, we review the main aspects of the species complex B. bilineatus, including its biology, ecology, taxonomy, morphology, genetic and molecular studies, geographic distribution, conservation status, venom, pathophysiology and clinical aspects, and epidemiology. In addition, the different antivenoms available for the treatment of envenomations caused by B. bilineatus are presented along with suggestions for future studies that are needed for a better understanding of the snakebites caused by this snake.

SUBMITTER: Bernarde PS

PROVIDER: S-EPMC8714932 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

Bothrops bilineatus: An Arboreal Pitviper in the Amazon and Atlantic Forest.

Bernarde Paulo Sérgio PS Pucca Manuela Berto MB Mota-da-Silva Ageane A da Fonseca Wirven Lima WL de Almeida Marllus Rafael Negreiros MRN de Oliveira Isadora Sousa IS Cerni Felipe Augusto FA Gobbi Grazziotin Felipe F Sartim Marco A MA Sachett Jacqueline J Wen Fan Hui FH Moura-da-Silva Ana Maria AM Monteiro Wuelton M WM

Frontiers in immunology 20211215

The two-striped forest-pitviper (Bothrops bilineatus) is an arboreal snake that is currently represented by two subspecies (B. b. bilineatus and B. b. smaragdinus) that comprise a species complex, and its distribution is in the Amazon and the Atlantic Forest. The rarity of encounters with this snake is reflected in the low occurrence of cases of snakebites throughout its geographic distribution and the resulting low number of published clinical reports. However, in some area ...[more]

PMID: 34975866

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Project description:Information on demographic, genetic, and environmental parameters of wild and captive animal populations has proven to be crucial to conservation programs and strategies. Genetic approaches in conservation programs of Brazilian snakes remain scarce despite their importance for critically endangered species, such as Bothrops insularis, the golden lancehead, which is endemic to Ilha da Queimada Grande, coast of São Paulo State, Brazil. This study aims to (a) characterize the genetic diversity of ex situ and in situ populations of B. insularis using heterologous microsatellites; (b) investigate genetic structure among and within these populations; and (c) provide data for the conservation program of the species. Twelve informative microsatellites obtained from three species of the B. neuwiedi group were used to access genetic diversity indexes of ex situ and in situ populations. Low-to-medium genetic diversity parameters were found. Both populations showed low-albeit significant-values of system of mating inbreeding coefficient, whereas only the in situ population showed a significant value of pedigree inbreeding coefficient. Significant values of genetic differentiation indexes suggest a small differentiation between the two populations. Discriminant analysis of principal components (DAPC) recovered five clusters. No geographic relationship was found in the island, suggesting the occurrence of gene flow. Also, our data allowed the establishment of six preferential breeding couples, aiming to minimize inbreeding and elucidate uncertain parental relationships in the captive population. In a conservation perspective, continuous monitoring of both populations is demanded: it involves the incorporation of new individuals from the island into the captive population to avoid inbreeding and to achieve the recommended allelic similarity between the two populations. At last, we recommend that the genetic data support researches as a base to maintain a viable and healthy captive population, highly genetically similar to the in situ one, which is crucial for considering a reintroduction process into the island.

Dataset Information

Bothrops bilineatus: An Arboreal Pitviper in the Amazon and Atlantic Forest.

Publications

<i>Bothrops bilineatus</i>: An Arboreal Pitviper in the Amazon and Atlantic Forest.

Similar Datasets

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