2020
DOI: 10.1371/journal.pone.0229657
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BoaγPLI: Structural and functional characterization of the gamma phospholipase A2 plasma inhibitor from the non-venomous Brazilian snake Boa constrictor

Abstract: Plasma in several organisms has components that promote resistance to envenomation by inhibiting specific proteins from snake venoms, such as phospholipases A 2 (PLA 2 s). The major hypothesis for inhibitor's presence would be the protection against self-envenomation in venomous snakes, but the occurrence of inhibitors in non-venomous snakes and other animals has opened new perspectives for this molecule. Thus, this study showed for the first time the structural and functional characterization of the PLA 2 inh… Show more

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Cited by 7 publications
(7 citation statements)
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References 43 publications
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“…Interestingly, all elapid inhibitors are classified as PLA 2 I-γ class, whereas viperid inhibitors are also in the PLA 2 I-α and PLA 2 I-β classes (see Table S3 for an overview of PLA 2 Is in snakes). PLA 2 I-γ of some non-venomous snakes may represent prey resistance that evolved in response to predation from venomous snakes (Thwin et al, 2000;Zhong & Huang, 2016;Fortes-Dias et al, 2020;Rodrigues et al, 2020Rodrigues et al, , 2021. PLA 2 Is have also been characterised in the venom and venom gland itself, possibly representing a form of autoresistance (Mackessy & Baxter, 2006;Valente et al, 2018).…”
Section: Convergent Mechanisms Of Resistancementioning
confidence: 99%
“…Interestingly, all elapid inhibitors are classified as PLA 2 I-γ class, whereas viperid inhibitors are also in the PLA 2 I-α and PLA 2 I-β classes (see Table S3 for an overview of PLA 2 Is in snakes). PLA 2 I-γ of some non-venomous snakes may represent prey resistance that evolved in response to predation from venomous snakes (Thwin et al, 2000;Zhong & Huang, 2016;Fortes-Dias et al, 2020;Rodrigues et al, 2020Rodrigues et al, , 2021. PLA 2 Is have also been characterised in the venom and venom gland itself, possibly representing a form of autoresistance (Mackessy & Baxter, 2006;Valente et al, 2018).…”
Section: Convergent Mechanisms Of Resistancementioning
confidence: 99%
“…Apesar dos PLIs terem sido identificados e caracterizados em um grande número de serpentes peçonhentas (CAMPOS et al, 2016;FORTES-DIAS et al, 2016), presumivelmente como formas de auto-resistência contra seus próprios venenos, apenas um pequeno número de PLIs foi identificado em serpentes não peçonhentas (THWIN et al, 2002;SHIRAI et al, 2009;XIONG et al, 2017;FORTES-DIAS et al, 2020;RODRIGUES et al, 2020).…”
Section: Introductionunclassified
“…Neste sentido, o Capítulo 2 mostrou a purificação e caracterização do BoaγPLI, inibidor endógeno de Boa constrictor, serpente não peçonhenta, com foco na inibição das ações farmacológicas relacionadas com danos locais por diferentes PLA2s isoladas (RODRIGUES et al, 2020). No entanto, apesar da inibição dos efeitos locais causados pelas PLA2s isoladas ter sido elucidada, a inibição do efeito anticoagulante da PLA2 pelo BoaγPLI ainda não foi explorada.…”
Section: Introductionunclassified
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