ChemInform Abstract: Antibacterial Sphingolipid and Steroids from the Black Coral Antipathes dichotoma.

Al‐Lihaibi, Sultan S.; Ayyad, Seif‐Eldin N.; Shaher, Fekry; Alarif, Walied M.

doi:10.1002/chin.201118167

Cited by 3 publications

(2 citation statements)

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“…This has resulted in all species of black coral being listed on CITES appendix II. Their use in traditional medicine has led to interest from pharmacologists, with studies showing potential roles in cancer treatments (Qi et al, 2009;Ghandourah and Alorfi, 2019) and the presence of antibacterial properties (Al-Lihaibi et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Phylogenetics and Mitogenome Organisation in Black Corals (Anthozoa: Hexacorallia: Antipatharia): An Order-Wide Survey Inferred From Complete Mitochondrial Genomes

et al. 2020

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Black corals (Anthozoa: Antipatharia) are an ecologically and culturally important group of deep-sea cnidarians. However, as the majority of species inhabit depths >50 m, they are relatively understudied. The inaccessibility of well-preserved tissue for species of interest has limited the scope of molecular analysis, and as a result only a small number of antipatharian mitochondrial genomes have been published. Using next generation sequencing, 18 complete and five partial antipatharian mitochondrial genomes were assembled, increasing the number of complete mitochondrial genomes to 22. This includes species from six antipatharian families, four of which were previously unrepresented, enabling the first family-level, full mitochondrial gene analysis over the whole order. The circular mitogenomes ranged in size from 17,681 to 21,669 bp with the large range in size due to the addition of an intron in COX1 in some species and size variation of intergenic regions. All mitogenomes contained the genes standard to all hexacoral mitogenomes (13 protein coding genes, two rRNAs and two tRNAs). The only difference in gene content is the presence of the COX1 intron in five families. The most variable mitochondrial gene is ND4 which may have implications for future barcoding studies. Phylogenetic analysis confirms that Leiopathidae is sister to all other families. Families Antipathidae, Cladopathidae and Schizopathidae are polyphyletic, supporting previous studies that call for a taxonomic revision.

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Section: Introductionmentioning

confidence: 99%

Phylogenetics and Mitogenome Organisation in Black Corals (Anthozoa: Hexacorallia: Antipatharia): An Order-Wide Survey Inferred From Complete Mitochondrial Genomes

et al. 2020

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“…With the exception of a few predators such as gastropods, parrotfishes, butterflyfishes and the green sea turtle, antipatharians appear to be little impacted by predation (Goenaga, 1977;Grange and Singleton, 1988;. A production of deterrent compounds by Antipathariam are also described (Qi et al, 2009;Al-Lihaibi et al, 2011;Bai et al, 2011), additionaly the tissue of black-corals are of low nutritional value (Goldberg, 1976). Because of the extremely high abundances of Hermodice carunculata in the SPSPA, and because they are frequently seen preying upon black-corals (Pers.…”

Section: Discussionmentioning

confidence: 99%

Reef communities of the Saint Peter and Saint Paul's Archipelago across an euphotic-mesophotic depth gradient (0-90 m)

Rosa¹

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This thesis focuses on the investigation of reef communities of the Saint Peter and Saint Paul´s Archipelago (SPSPA) across an euphotic/mesophotic depth gradient. Sampling was performed on shallow and mesophotic areas (0 to 90 m depth) using SCUBA and a Remotely Operated Vehicle (ROV). The present work is composed of four chapters: Chapter 1 deals with the quantitative assessment of reef fish communities, which were divided in three distinct communities associated with different depth strata. Clear shifts in habitat use and in size-frequency distributions were recorded for some species. Abundance of black-corals and depth were the most important factors affecting the structure of fish communities, with a clear association of fish with branching blackcorals in the mesophotic zone. Chapter 2 presents the first detailed qualitative assessment of benthic communities of the SPSPA. The influence of biotic and abiotic variables shaping the structure of the benthic communities was evaluated. A total of 77 benthic taxa belonging to six major functional groups were recorded. Macroalgae was the richest group (41 infrageneric taxa), with 17 new records for the SPSPA. Turf algae were the most abundant group on both shallow and mesophotic reefs. Two distinct communities were detected: a shallow one composed primarily by the zoanthid Palythoa caribaeorum (Duchassaing and Michelotti, 1861), the fleshy alga Caulerpa racemosa (Forsskål) J. Agardh, crustose coralline algae (CCA) and Bryopsis spp., and another deeper community dominated by CCA, bryozoans and scleractinian corals. Abiotic variables were the most important predictors of benthic community structure. Chapter 3 brings information on abundance, distribution size and associated fauna (epibionts) of black-corals. Although two species of black-corals, Tanacetipathes hirta (Gray, 1857) and T. thamnea (Warner, 1981), are known to occur in the SPSPA, they are undistinguishable underwater. Epibiosis, mainly by zoanthids and entanglement by fishing monofilament were important factors negatively affecting the health of blackcoral colonies. Black-corals were intensively used as refuge by reef fish, especially by the endemic oblique butterflyfish Prognathodes obliquus (Chaetodontidae). A single black-coral colony repeatedly visited and monitored for ten years showed a decrease in vitality since the first observation, mainly related to fouling by algal detritus and entanglement by fishing monofilaments. Chapter 4 discusses the ecology (abundance, distribution and habitat preferences) of the fireworm Hermodice carunculata, a major predator on mesophotic zone of SPSPA. A total of 278 individuals of bearded fireworm were observed, with significant difference in abundance between euphotic and mesophotic zones. A direct association of H. carunculata with black-corals (Tanacetipathes spp.), the scleractinian Madracis decactis and depth was found. A final session with concluding remarks wraps up information on the ecology of Mesophotic Reef Ecosystems highlighting their possible importance ...

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The Biology and Ecology of Black Corals (Cnidaria: Anthozoa: Hexacorallia: Antipatharia)

Wagner

Luck

Toonen

2012

Advances in Marine Biology

132

145

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ChemInform Abstract: Antibacterial Sphingolipid and Steroids from the Black Coral Antipathes dichotoma.

Cited by 3 publications

References 1 publication

Phylogenetics and Mitogenome Organisation in Black Corals (Anthozoa: Hexacorallia: Antipatharia): An Order-Wide Survey Inferred From Complete Mitochondrial Genomes

Phylogenetics and Mitogenome Organisation in Black Corals (Anthozoa: Hexacorallia: Antipatharia): An Order-Wide Survey Inferred From Complete Mitochondrial Genomes

Reef communities of the Saint Peter and Saint Paul's Archipelago across an euphotic-mesophotic depth gradient (0-90 m)

The Biology and Ecology of Black Corals (Cnidaria: Anthozoa: Hexacorallia: Antipatharia)

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