Vesicomyidae (Mollusca: Bivalvia) of the genera <i>Vesicomya, Waisiuconcha, Isorropodon and Callogonia</i> in the eastern Atlantic and the Mediterranean

Cosel, Rudo von; Salas, Carmen

doi:10.1080/00364827.2001.10425523

Cited by 57 publications

(73 citation statements)

References 9 publications

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“…Three specimens of Isorropodon bigoti were collected at cold seeps on a pockmark at the Guiness Site (Gulf of Guinea, cruise WACS, ROV dive 433, 1°34.65′S, 8°32.91′E, 582 m depth). Morphologically similar to I. perplexum, I. bigoti is distinguished by its larger size, the much less visible and more spaced growth lines and the more conspicuous wavy pattern of growth (Cosel and Salas 2001). This species was initially collected in an oil field at 150 m off Congo and deeper near Mauritania at 900-1,200 m. It was further sampled in a methane hydrate area in the Congo basin (500-800 m depth), (Cosel and Olu 2009).…”

Section: Specimensmentioning

confidence: 99%

“…Shells from this species are thin-walled, ovate to elliptical in outline, with prosogyrate beaks. The escutcheon is present and lunular incision indistinct or missing (Cosel and Salas 2001).…”

Section: Specimensmentioning

confidence: 99%

“…Transmission electron micrographs of Isorropodon perplexum gill tissue showed the presence of bacteriocytes enclosing sulphur-oxidising bacteria (Olu-Le Roy et al 2004). The thick and large gills of I. bigoti and I. megadesmus suggest that these species also harbour bacteria (Cosel and Salas 2001;Oliver et al 2011) although these were not yet identified. In addition, carbon and sulphur stable isotope signatures (−31 and −1‰, respectively) in Isorropodon perplexum tissues indicate that thiotrophy may significantly contribute to their nutrition (Olu-Le Roy et al 2004;Carlier et al 2010).…”

Section: Introductionmentioning

confidence: 98%

“…Yet, apart from large-sized Pliocardiinae vesicomyids, there are in this subfamily smaller-sized species which have been overlooked, and for which very little data is available, both for hosts and associated symbionts. Among these, the genus Isorropodon includes nine accepted species reported from the Eastern Atlantic Ocean along the west coast of Africa from Namibia to Mauritania (Isorropodon bigoti Cosel and Salas 2001, I. curtum Cosel and Salas 2001, I. megadesmus Oliver et al 2011. striatum (Thiele & Jaeckel, 1931) and I. tenina (Allen, 2001)), the Southern and North Western Atlantic basins (I. elongatum (Allen, 2001)), the Eastern Mediterranean Sea (I. perplexum,Sturany, 1986 the type species), the Norwegian Sea (I. nyeggaensis Krylova et al 2011) and the Japan and Aleutian Trenches (I. fossajaponicum Okutani et al 2000) (see for review Krylova et al 2011;Oliver et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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The smaller vesicomyid bivalves in the genus Isorropodon (Bivalvia, Vesicomyidae, Pliocardiinae) also harbour chemoautotrophic symbionts

et al. 2012

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Species of Isorropodon are vesicomyid bivalves for which little information is available regarding host phylogeny and bacterial symbioses. In this study we investigated the symbioses in three Isorropodon species from three cold seep areas: Isorropodon bigoti (Gulf of Guinea), Isorropodon megadesmus (Gulf of Cadiz) and Isorropodon perplexum (Eastern Mediterranean). Analysis of bacterial 16S ribosomal RNA gene sequences demonstrated that each vesicomyid species harbours a single symbiont phylotype, that symbionts from the three species cluster together, and that they are closely related to other known vesicomyid symbionts. These results are confirmed by other marker genes (encoding 23S rRNA and APS reductase) and by fluorescence in situ hybridization. Due to their extended depth range and transoceanic distribution Isorropodon species are interesting examples to further study evolutionary processes in bivalve hosts and their associated symbionts.

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Section: Specimensmentioning

confidence: 99%

Section: Specimensmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The smaller vesicomyid bivalves in the genus Isorropodon (Bivalvia, Vesicomyidae, Pliocardiinae) also harbour chemoautotrophic symbionts

et al. 2012

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“…With regards to connectivity, small clams of the genus Isorropodon yielded interesting findings. Specimens of the three species I. perplexum, I. megadesmus and I. bigoti, collected respectively in the eastern Mediterranean, Gulf of Cadiz and Gulf of Guinea, are closely related, forming a distinct clade, based on COI phylogeny (Cosel and Salas, 2001;Rodrigues et al, 2012). Their symbionts also appear as close relatives (Fig.…”

Section: S Duperron Et Al: An Overview Of Chemosynthetic Symbioses mentioning

confidence: 99%

An overview of chemosynthetic symbioses in bivalves from the North Atlantic and Mediterranean Sea

et al. 2013

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Deep-sea bivalves found at hydrothermal vents, cold seeps and organic falls are sustained by chemosynthetic bacteria that ensure part or all of their carbon nutrition. These symbioses are of prime importance for the functioning of the ecosystems. Similar symbioses occur in other bivalve species living in shallow and coastal reduced habitats worldwide. In recent years, several deep-sea species have been investigated from continental margins around Europe, West Africa, eastern Americas, the Gulf of Mexico, and from hydrothermal vents on the Mid-Atlantic Ridge. In parallel, numerous, more easily accessible shallow marine species have been studied. Herein we provide a summary of the current knowledge available on chemosymbiotic bivalves in the area ranging west-to-east from the Gulf of Mexico to the Sea of Marmara, and north-to-south from the Arctic to the Gulf of Guinea. Characteristics of symbioses in 53 species from the area are summarized for each of the five bivalve families documented to harbor chemosynthetic symbionts (Mytilidae, Vesicomyidae, Solemyidae, Thyasiridae and Lucinidae). Comparisons are made between the families, with special emphasis on ecology, life cycle, and connectivity. Chemosynthetic symbioses are a major adaptation to ecosystems and habitats exposed to reducing conditions. However, relatively little is known regarding their diversity and functioning, apart from a few "model species" on which effort has focused over the last 30 yr. In the context of increasing concern about biodiversity and ecosystems, and increasing anthropogenic pressure on oceans, we advocate a better assessment of the diversity of bivalve symbioses in order to evaluate the capacities of these remarkable ecological and evolutionary units to withstand environmental change

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Bivalvia in Ancient Hydrocarbon Seeps

Amano

Kiel

Hryniewicz

et al. 2022

Topics in Geobiology

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Vesicomyidae (Mollusca: Bivalvia) of the genera Vesicomya, Waisiuconcha, Isorropodon and Callogonia in the eastern Atlantic and the Mediterranean

Cited by 57 publications

References 9 publications

The smaller vesicomyid bivalves in the genus Isorropodon (Bivalvia, Vesicomyidae, Pliocardiinae) also harbour chemoautotrophic symbionts

The smaller vesicomyid bivalves in the genus Isorropodon (Bivalvia, Vesicomyidae, Pliocardiinae) also harbour chemoautotrophic symbionts

An overview of chemosynthetic symbioses in bivalves from the North Atlantic and Mediterranean Sea

Bivalvia in Ancient Hydrocarbon Seeps

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