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A tale of two chitons: is habitat specialisation linked to distinct associated bacterial communities? ArchiMer
Duperron, Sebastien; Pottier, Marie-anne; Leger, Nelly; Gaudron, Sylvie M.; Puillandre, Nicolas; Le Prieur, Stephanie; Sigwart, Julia D.; Ravaux, Juliette; Zbinden, Magali.
Although most chitons (Mollusca: Polyplacophora) are shallow-water molluscs, diverse species also occur in deep-sea habitats. We investigated the feeding strategies of two species, Leptochiton boucheti and Nierstraszella lineata, recovered on sunken wood sampled in the western Pacific, close to the Vanuatu Islands. The two species display distinctly different associations with bacterial partners. Leptochiton boucheti harbours Mollicutes in regions of its gut epithelium and has no abundant bacterium associated with its gill. Nierstraszella lineata displays no dense gut-associated bacteria, but harbours bacterial filaments attached to its gill epithelium, related to the Deltaproteobacteria symbionts found in gills of the wood-eating limpet Pectinodonta sp....
Tipo: Text Palavras-chave: Sunken wood; Polyplacophora; Symbiosis; Mollicutes; Deltaproteobacteria; Deep-sea ecology.
Ano: 2013 URL: https://archimer.ifremer.fr/doc/00138/24933/23035.pdf
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Community ecology, taxonomy and geographic distribution of the deep-sea shrimps in northeastern Brazil ArchiMer
Alves Júnior, Flavio De Almeida.
The Potiguar Basin was formed in mesocenozoic age occurring between the States of Ceará and Rio Grande do Norte, being target of several cientific researches, especially by environmental agencies promoved by private initiative and public agents, due its great biological wealth and mineralogical in this region. However in Potiguar Basin, the environmental studies are being focused especially in costal zones, thus making deep-sea aspects nonexistent along the continental slope (> 200 m) still unknown, principally in aspects about the deep invertebrate biodiversity.Similar aspects about the little knowledge of the deep invertebrate biodiversity are observed for the regions of oceanic Islands, as for exemple, in Fernando de Noronha Archipelago, Atoll as...
Tipo: Text Palavras-chave: Deep waters; Deep biodiversity; Deep-sea shrimps distribution; Taxonomy aspects; Deep-sea ecology.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00659/77074/78395.pdf
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