Analysis of the intersexual variation in Thalassophryne maculosa fish venoms

Lopes-Ferreira, Mônica; Sosa-Rosales, Ines; Bruni, Fernanda Miriane; Ramos, Anderson Daniel; Portaro, Fernanda Calheta Vieira; Conceição, Kátia; Lima, Carla

doi:10.1016/j.toxicon.2016.02.022

Cited by 13 publications

(10 citation statements)

References 51 publications

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“…Sexual dimorphism has also been observed in venomous vertebrates, such as fish and snakes [131]. For example, this was reported in the Cano toadfish, Thalassophryne maculosa, which showed that among sexes, there was a difference in biochemical properties and protein abundance [132]. Concomitantly, in the Brazilian lancehead, Bothrops moojeni, differences in protein abundance and activity among sexes were also reported [133].…”

Section: Intersexual Variation Of Toxin Expressionmentioning

confidence: 94%

Insights into how development and life-history dynamics shape the evolution of venom

Surm

Moran

2021

EvoDevo

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Venomous animals are a striking example of the convergent evolution of a complex trait. These animals have independently evolved an apparatus that synthesizes, stores, and secretes a mixture of toxic compounds to the target animal through the infliction of a wound. Among these distantly related animals, some can modulate and compartmentalize functionally distinct venoms related to predation and defense. A process to separate distinct venoms can occur within and across complex life cycles as well as more streamlined ontogenies, depending on their life-history requirements. Moreover, the morphological and cellular complexity of the venom apparatus likely facilitates the functional diversity of venom deployed within a given life stage. Intersexual variation of venoms has also evolved further contributing to the massive diversity of toxic compounds characterized in these animals. These changes in the biochemical phenotype of venom can directly affect the fitness of these animals, having important implications in their diet, behavior, and mating biology. In this review, we explore the current literature that is unraveling the temporal dynamics of the venom system that are required by these animals to meet their ecological functions. These recent findings have important consequences in understanding the evolution and development of a convergent complex trait and its organismal and ecological implications.

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Section: Intersexual Variation Of Toxin Expressionmentioning

confidence: 94%

Insights into how development and life-history dynamics shape the evolution of venom

Surm

Moran

2021

EvoDevo

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“…Sexual variation of venom composition has been documented for a few taxa, principally spiders, scorpions, snakes, and a species of fish [122,123,124,125]. Research on Thalassophyrne maculosa (cano toadfish) showed that male venom had double the protein content of that of females and differing bioactivities, with males having a greater target affinity to nociceptors whilst females had greater proteolytic activity [123]. From an ecological perspective, one may speculate that these differences could relate to reproduction and brooding.…”

Section: Intersexual Variation In Venommentioning

confidence: 99%

Evolutionary Ecology of Fish Venom: Adaptations and Consequences of Evolving a Venom System

Harris

Jenner

2019

Toxins

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Research on venomous animals has mainly focused on the molecular, biochemical, and pharmacological aspects of venom toxins. However, it is the relatively neglected broader study of evolutionary ecology that is crucial for understanding the biological relevance of venom systems. As fish have convergently evolved venom systems multiple times, it makes them ideal organisms to investigate the evolutionary ecology of venom on a broader scale. This review outlines what is known about how fish venom systems evolved as a result of natural enemy interactions and about the ecological consequences of evolving a venom system. This review will show how research on the evolutionary ecology of venom in fish can aid in understanding the evolutionary ecology of animal venoms more generally. Further, understanding these broad ecological questions can shed more light on the other areas of toxinology, with applications across multiple disciplinary fields.

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“…Primarily for species like spiders, snakes, scorpions, and some fish, sexual variation in venom composition has been recorded (Lopes-Ferreira et al, 2016). Male venom from Cano toadfish has double the protein content than that of female venom with different bioactivities, with males seeming to have a higher target affinity for nociceptors where females have higher proteolytic activity (Sosa-Rosales et al, 2005;Ziegman and Alewood, 2015).…”

Section: Intersexual Variation In Venom Among Fish Speciesmentioning

confidence: 99%

“…From an ecological standpoint, these differences might have something to do with reproduction and brooding. The energy balancing of venom and reproduction may be connected to a decreased protein concentration in females (Lopes-Ferreira et al, 2016).…”

Section: Intersexual Variation In Venom Among Fish Speciesmentioning

confidence: 99%

The perspective of fish venom: An overview of the physiology, evolution, molecular and genetics

Ndandala

Mustapha²,

Wang³

et al. 2023

Front. Mar. Sci.

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Fish venom has several biological activities, including enzyme activity, cytotoxicity, neurotoxicity, muscular toxicity, haemolytic, and cardiotoxicity, when they enter other species or a human being, they disrupt the physiological systems. Transcriptomic analysis of the fish venom glands revealed a large number of proteins relevant to the pharmacological activity even though they are not well-studied. The limitations in studying fish venoms also have an impact on their molecular characterization. This is partly because of the nature of fish venoms, as they are extremely unstable at normal ambient temperatures making them difficult to study. Venomous fish inhabit both marine and freshwater environments, they have specialized venom-delivery apparatuses. Venom delivery systems have evolved in a various animal species, originally for different purposes including defense, competition, as well as predation. In coastal areas, fish stings are a major problem because they have a serious toxic effect on fishermen, local communities, and visitors. In this study, we have discussed the general perspective of fish venom from marine and freshwater species in different aspects basically in their molecular evolution, physiology, diversity, transcriptome, and proteomic studies. We expect that this paper will provide readers with a unique perspective on understanding the current status of fish venom research as well as working for future studies. Therefore, the gap of knowledge acquired from this study will play as a baseline for researchers discovering new studies and using fish venom in a broader range of biomedical applications, and their biological information that can be used to develop drugs for pharmaceutical uses.

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Analysis of the intersexual variation in Thalassophryne maculosa fish venoms

Cited by 13 publications

References 51 publications

Insights into how development and life-history dynamics shape the evolution of venom

Insights into how development and life-history dynamics shape the evolution of venom

Evolutionary Ecology of Fish Venom: Adaptations and Consequences of Evolving a Venom System

The perspective of fish venom: An overview of the physiology, evolution, molecular and genetics

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