Acclimation behaviour and bio-chemical changes during anemonefish (Amphiprion sebae) and sea anemone (Stichodactyla haddoni) symbiosis

Balamurugan, J.; Kumar, T. T. Ajith; Kannan, R.; Pradeep, H. D.

doi:10.1007/s13199-014-0310-2

Cited by 12 publications

(20 citation statements)

References 30 publications

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“…These toxins are released from specialized cells (i.e., cnidocytes) after the combination of chemical and mechanical stimuli ( Anderson and Bouchard 2009 ), or they are secreted in the mucus of sea anemones ( Mebs 2009 ). Clownfishes must have evolved specific characteristics to counteract these toxins and it was suggested that the mucus coating of clownfishes played a central role in this protection ( Schlichter 1976 ; Lubbock 1980 , 1981 ; Miyagawa and Hidaka 1980 ; Miyagawa 2010 ; Balamurugan et al. 2014 ).…”

Section: Introductionmentioning

confidence: 99%

Insights into the Genomics of Clownfish Adaptive Radiation: Genetic Basis of the Mutualism with Sea Anemones

Marcionetti

Rossier

Roux

et al. 2019

Genome Biology and Evolution

101

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Clownfishes are an iconic group of coral reef fishes, especially known for their mutualism with sea anemones. This mutualism is particularly interesting as it likely acted as the key innovation that triggered clownfish adaptive radiation. Indeed, after the acquisition of the mutualism, clownfishes diversified into multiple ecological niches linked with host and habitat use. However, despite the importance of this mutualism, the genetic mechanisms allowing clownfishes to interact with sea anemones are still unclear. Here, we used a comparative genomics and molecular evolutionary analyses to investigate the genetic basis of clownfish mutualism with sea anemones. We assembled and annotated the genome of nine clownfish species and one closely related outgroup. Orthologous genes inferred between these species and additional publicly available teleost genomes resulted in almost 16,000 genes that were tested for positively selected substitutions potentially involved in the adaptation of clownfishes to live in sea anemones. We identified 17 genes with a signal of positive selection at the origin of clownfish radiation. Two of them (Versican core protein and Protein O-GlcNAse) show particularly interesting functions associated with N-acetylated sugars, which are known to be involved in sea anemone discharge of toxins. This study provides the first insights into the genetic mechanisms of clownfish mutualism with sea anemones. Indeed, we identified the first candidate genes likely to be associated with clownfish protection form sea anemones, and thus the evolution of their mutualism. Additionally, the genomic resources acquired represent a valuable resource for further investigation of the genomic basis of clownfish adaptive radiation.

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Section: Introductionmentioning

confidence: 99%

Insights into the Genomics of Clownfish Adaptive Radiation: Genetic Basis of the Mutualism with Sea Anemones

Marcionetti

Rossier

Roux

et al. 2019

Genome Biology and Evolution

101

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“…Several studies have found the mucus layer of anemonefish to be chemically different to that of other coral reef fish (Abdullah and Saad 2015;Balamurugan et al 2015;Lubbock 1980), concluding that the anemonefish mucus layer may be the key to their protection. However, there are now new technologies available to help us investigate the mechanism(s) behind anemonefish resistance to anemone venom.…”

Section: Current Hypotheses and Omics Applications To Uncover The Mec...mentioning

confidence: 99%

“…Anemonefish larvae initially lack resistance to host anemone venom at birth, but their skin mucus gradually acquires biochemical resistance to the host venom through acclimation behavior (Balamurugan et al 2014). Biochemical mechanisms for protection from venom are expected to vary depending on both host species and anemonefish species.…”

Section: Introductionmentioning

confidence: 99%

Evolution, Development and Ecology of Anemonefishes

Laudet¹,

Ravasi²

2022

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Anemonefishes, one of the most popular and recognizable fishes in the world, are much more than film characters; they are also emerging model organisms for studying the biology, ecology, and evolution of coral reef fishes. They are a group of 28 species often employed to study patterns and processes of social organization, intra-and inter-specific competition, sex change, mutualism, dispersal and connectivity of fish populations, habitat selection, pigment pattern formation, lifespan, and predator-prey interactions. This multi-authored book covers all these areas and provides an update on the research done with this model and the perspective it opens for the future. Key Features• Contains basic and up-to-date information on an emerging fish model • Allows non-specialist readers to grasp the relevance of a wide research area Cover photo: OIST/Kina Hayashi 林希奈 Licensed under CCBY4.0 (attribution) First edition published 2023 by CRC Press

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“…Studies investigating the anemonefish symbiosis have brought new insights into (i) the genetic and biochemical mechanisms developed by anemonefish to avoid the stinging of the sea anemone nematocysts, (ii) the variable host specificity displayed by the different species, and (iii) the changes occurring on the mucus microbiota of the two animals during the initiation of the symbiosis [24][25][26][27][28][29]. It has been shown that this symbiotic interaction has been critical for the evolutionary radiation of anemonefish [3,4].…”

Section: Symbiotic Relationshipmentioning

confidence: 99%

Anemonefish, a model for Eco-Evo-Devo

Roux

Salis

Lee

et al. 2020

EvoDevo

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Anemonefish, are a group of about 30 species of damselfish (Pomacentridae) that have long aroused the interest of coral reef fish ecologists. Combining a series of original biological traits and practical features in their breeding that are described in this paper, anemonefish are now emerging as an experimental system of interest for developmental biology, ecology and evolutionary sciences. They are small sized and relatively easy to breed in specific husbandries, unlike the large-sized marine fish used for aquaculture. Because they live in highly structured social groups in sea anemones, anemonefish allow addressing a series of relevant scientific questions such as the social control of growth and sex change, the mechanisms controlling symbiosis, the establishment and variation of complex color patterns, and the regulation of aging. Combined with the use of behavioral experiments, that can be performed in the lab or directly in the wild, as well as functional genetics and genomics, anemonefish provide an attractive experimental system for Eco-Evo-Devo.

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Acclimation behaviour and bio-chemical changes during anemonefish (Amphiprion sebae) and sea anemone (Stichodactyla haddoni) symbiosis

Cited by 12 publications

References 30 publications

Insights into the Genomics of Clownfish Adaptive Radiation: Genetic Basis of the Mutualism with Sea Anemones

Insights into the Genomics of Clownfish Adaptive Radiation: Genetic Basis of the Mutualism with Sea Anemones

Evolution, Development and Ecology of Anemonefishes

Anemonefish, a model for Eco-Evo-Devo

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