Use of the sea urchin Diadema antillarum (Echinodermata, Echinoidea) as a shelter for non-cryptobenthic juvenile reef fishes

Grande, Henrique; Reis, Marcelo; Carvalho, Nayara Salgado

doi:10.1007/s12526-020-01081-9

Cited by 5 publications

(2 citation statements)

References 42 publications

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“…Various transcriptomic studies have been set to identify the changes in gene expression patterns that underline the phenotypic changes associated with OA conditions (Strader et al, 2020). With several fully sequenced and annotated sea urchin genomes reported (Sodergren, Shen, et al, 2006; Sodergren, Weinstock, et al, 2006; Tu et al, 2012) and their role as ecosystem engineers (Grande et al, 2020; Jones et al, 1997; Rogers‐Bennett & Catton, 2019), sea urchins have been the target of such sequencing studies (Strader et al, 2020). Broadly speaking, the responses observed include elevated expression of metabolic genes related to ATP production and the tricarboxylic acid cycle (Evans et al, 2017; Stumpp et al, 2011; Todgham & Hofmann, 2009), stress proteins (Hsp70) and immune response (O'Donnell et al, 2009; Wong & Hofmann, 2021; Zhan et al, 2020); and, a downregulation in genes associated with skeletogenesis and calcification (Devens et al, 2020; Martin et al, 2011; Padilla‐Gamiño et al, 2013; Runcie et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Parentage influence on gene expression under acidification revealed through single‐embryo sequencing

Fung,

Chau,

Tong

et al. 2023

Molecular Ecology

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The dissolution of anthropogenic carbon dioxide (CO2) in seawater has altered its carbonate chemistry in the process of ocean acidification (OA). OA affects the viability of marine species. In particular, calcifying organisms and their early planktonic larval stages are considered vulnerable. These organisms often utilize energy reserves for metabolism rather than growth and calcification as supported by bulk RNA‐sequencing (RNA‐seq) experiments. Yet, transcriptomic profiling of a bulk sample reflects the average gene expression of the population, neglecting the variations between individuals, which forms the basis for natural selection. Here, we used single‐embryo RNA‐seq on larval sea urchin Heliocidaris crassispina, which is a commercially and ecologically valuable species in East Asia, to document gene expression changes to OA at an individual and family level. Three paternal half‐sibs groups were fertilized and exposed to 3 pH conditions (ambient pH 8.0, 7.7 and 7.4) for 12 h prior to sequencing and oxygen consumption assay. The resulting transcriptomic profile of all embryos can be distinguished into four clusters, with differences in gene expressions that govern biomineralization, cell differentiation and patterning, as well as metabolism. While these responses were influenced by pH conditions, the male identities also had an effect. Specifically, a regression model and goodness of fit tests indicated a significant interaction between sire and pH on the probability of embryo membership in different clusters of gene expression. The single‐embryo RNA‐seq approach is promising in climate stressor research because not only does it highlight potential impacts before phenotypic changes were observed, but it also highlights variations between individuals and lineages, thus enabling a better determination of evolutionary potential.

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Section: Introductionmentioning

confidence: 99%

Parentage influence on gene expression under acidification revealed through single‐embryo sequencing

Fung,

Chau,

Tong

et al. 2023

Molecular Ecology

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“…As a consequence, diverse teleost fish species have been shown to seek shelter around the microhabitats provided by mobile and structure-forming organisms (e.g., cnidarians and echinoderms) [4][5][6]. Among echinoderms, many species of juvenile reef fish have been reported using the long spines of sea urchins (to hide above or between them) [6][7][8]. Moreover, this relationship could also benefit the sea urchins, through the removal of ectoparasites by the fishes [6].…”

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confidence: 99%

Sea Cucumber (Holothuria arguinensis) as a Shelter for Juvenile Fish (Diplodus bellottii) in the Gulf of Cadiz (Southwestern Spain)

2022

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During a diving survey on soft-bottom habitats in the Gulf of Cadiz (Southwestern Spain), the use of the sea cucumber Holothuria arguinensis (Echinodermata, Holothuriidae) as a shelter by juvenile Senegal’s sea bream Diplodus bellottii (Chordata: Sparidae) was observed. Eight juvenile sea bream D. bellottii were videoed sheltering under the sea cucumber’s body. This observation highlights the importance of sea cucumbers as a shelter for juvenile fish, providing a microhabitat to take refuge from predators. This is the first report of juvenile sea bream sheltered by a sea cucumber.

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Biology of Brazilian Benthic Reef Builders and Dwellers

Mies,

Banha,

Castro

et al. 2024

Brazilian Marine Biodiversity

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Use of the sea urchin Diadema antillarum (Echinodermata, Echinoidea) as a shelter for non-cryptobenthic juvenile reef fishes

Cited by 5 publications

References 42 publications

Parentage influence on gene expression under acidification revealed through single‐embryo sequencing

Parentage influence on gene expression under acidification revealed through single‐embryo sequencing

Sea Cucumber (Holothuria arguinensis) as a Shelter for Juvenile Fish (Diplodus bellottii) in the Gulf of Cadiz (Southwestern Spain)

Biology of Brazilian Benthic Reef Builders and Dwellers

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