Ecological and biogeographic processes drive the proteome evolution of snake venom
Tuany Siqueira-Silva,Luiz Antônio Gonzaga de Lima,Jônatas Chaves-Silveira,Talita Ferreira Amado,Julian Naipauer,Pablo Riul,Pablo A. Martinez +6 more
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About: This article is published in Global Ecology and Biogeography. The article was published on 27 Jul 2021. and is currently open access. The article focuses on the topics: Evolution of snake venom.
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Venomous animals in a changing world
TL;DR: In this paper , the foreseen global changes of the next decades will modify human and livestock interactions with venomous animals throughout the planet, and Advancing the knowledge about the distribution of venomous animal species and their possible impact in humans and livestock will be essential not only to prevent and treat envenomings but also to conserve the planet's biodiversity.
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Molecular phylogeny reveals distinct evolutionary lineages of the banded krait, Bungarus fasciatus (Squamata, Elapidae) in Asia
Lal Biakzuala,H. T. Lalremsanga,Vishal Santra,Arindam Dhara,Molla T. Ahmed,Ziniya B. Mallick,S. Kuttalam,A.A. Thasun Amarasinghe,Anita Malhotra +8 more
TL;DR: In this article , the authors present an overview of the systematic composition of the species to delimit potential biogeographic boundaries and advocate further studies to establish the degree of reproductive isolation among these diverging evolutionary lineages and reassess the systematic status of this species complex especially the Sundaic and eastern Asian lineages.
Ontogeny, not prey availability, underlies allopatric venom variability in insular and mainland populations of Vipera ammodytes
Margareta Lakušić,Maik Damm,Vukašin Bjelica,Marko Anđelković,Ljiljana Tomović,Xavier Bonnet,Dragan Arsovski,Roderich D. Süßmuth,Juan J. Calvete,Fernando Martínez‐Freiría +9 more
TL;DR: This study compares venom composition in insular and mainland Vipera ammodytes populations, finding that ontogeny, not prey availability, drives allopatric venom variability, with sex and age influencing toxin families, particularly PLA2s.
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Phylogeny-Related Variations in Venomics: A Test in a Subset of Habu Snakes (Protobothrops)
TL;DR: In this paper , a comparative analysis of venoms from a subset of old world habu snakes (Protobothrops) in terms of venomic profiles and toxicological and enzymatic activities was conducted.
Black and white: Molecular phylogeny reveals distinct evolutionary lineages of the Banded Krait, Bungarus fasciatus (Squamata: Elapidae) in Asia
26 Aug 2022
TL;DR: In this paper , the authors presented an overview of the systematic composition of the species to delimit potential biogeographic boundaries and revealed the existence of at least three evolutionary lineages within B. fasciatus, corresponding to Indo-Myanmar, Sundaic and eastern Asian lineages.
References
Venom yield and its relationship with body size and fang separation of pit vipers from Argentina
Adolfo Rafael de Roodt,Leslie V. Boyer,Laura Cecilia Lanari,Lucia Irazu,Rodrigo Daniel Laskowicz,Paula Leticia Sabattini,Carlos Fabián Damin +6 more
TL;DR: The strong relationships between body size, fang separation and venom yield may be useful for planning potential venom production in serpentariums and provides a rough idea of the size of the snake that produced a bite and the potential amount of venom that could have been injected.
Identical Skin Toxins by Convergent Molecular Adaptation in Frogs
Kim Roelants,Bryan G. Fry,Janette A Norman,Janette A Norman,Elke Clynen,Liliane Schoofs,Franky Bossuyt +6 more
TL;DR: The phylogenetic analyses combining transcriptome and genome data reveal that independently evolved precursor genes encode identical caeruleins in Xenopus and Litoria frogs, highlighting extreme structural convergence in anciently diverged genes as an evolutionary mechanism through which recurrent adaptation is attained across large phylogenetic distances.
Venom Resistance as a Model for Understanding the Molecular Basis of Complex Coevolutionary Adaptations.
Matthew L. Holding,Danielle H. Drabeck,Danielle H. Drabeck,Danielle H. Drabeck,Sharon A. Jansa,Sharon A. Jansa,H. Lisle Gibbs +6 more
TL;DR: It is argued that resistance and venom are phenotypic traits which hold exceptional promise for investigating the mechanisms, dynamics, and outcomes of coevolution at the molecular level and may provide a model system for examining the molecular and evolutionary dynamics of complex multi-gene interactions.
Many Options, Few Solutions: Over 60 My Snakes Converged on a Few Optimal Venom Formulations.
TL;DR: The results indicate that venoms evolve by selection on biochemistry of prey envenomation, which permit diversity through parallelism, and impose strong limits, since only a few of the theoretically possible strategies seem to work well and are observed in extant snakes.
Adaptation and diversification on islands
TL;DR: Charles Darwin's travels on HMS Beagle taught him that islands are an important source of evidence for evolution, and island research provides valuable insights into speciation and adaptive radiation, and into the relative importance of contingency and determinism in evolutionary diversification.