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Gill ultrastructure and symbiotic bacteria in Codakia orbicularis (Bivalvia, Lucinidae)
SummaryThe cellular organization of the gill, which harbors symbiotic bacteria, is described in juveniles and adults of Codakia orbicularis, a large tropical Lucinidae. The ciliary zone is similar inExpand
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Gill structure in Lucina pectinata (Bivalvia: Lucinidae) with reference to hemoglobin in bivalves with symbiotic sulphur-oxidizing bacteria
Lucina pectinata is a large tropical Lucinidae which is characterized by abundant tissue hemoglobin in its deep-red gills. In the present paper, hemoglobin is described as being located inExpand
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Structural analysis of the digestive gland of the queen conch Strombus gigas Linnaeus, 1758 and its intracellular parasites
This study describes the structure of the digestive gland of Strombus gigas in individuals from Guadeloupe and discusses the function of its cell types and their relationship with intracellularExpand
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Embryonic development and shell differentiation in Chione cancellata (Bivalvia, Veneridae): an ultrastructural analysis
. The embryonic development in Chione cancellata, from fertilization to straight-hinge D-stage veliger larva, occurs in 24 h at 25°C. Transmission (TEM) and scanning (SEM) electron microscopy showExpand
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Environmental transmission of a sulfur-oxidizing bacterial gill endosymbiont in the tropical lucinid bivalve Codakia orbicularis.
Codakia orbicularis is a large tropical member of the bivalve mollusk family Lucinidae which inhabits shallow-water sea-grass beds (Thalassia testudinum environment) and harbors sulfur-oxidixingExpand
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Storage tissue and reproductive strategy in Lucina pectinata (Gmelin), a tropical lucinid bivalve adapted to a reducing sulfur-rich, mangrove environment
Summary The large Lucinidae Lucina pectinata (Gmelin) is a dominant species in the most confined areas of mangrove swamps where it lives deeply burrowed in reducing mud. In most female individuals,Expand
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Phylogenetic characterization of sulfur-oxidizing bacterial endosymbionts in three tropical Lucinidae by 16S rDNA sequence analysis
Nearly complete 16S rDNA sequences were determined for three tropical Lucinid endosymbionts and compared with previously examined symbiotic thioautotrophs. These symbionts include one previouslyExpand
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Gill filament differentiation and experimental colonization by symbiotic bacteria in aposymbiotic juveniles of Codakia orbicularis (Bivalvia: Lucinidae)
Summary Codakia orbicularis is a tropical lucinid harboring gill endosymbionts which are environmentally transmitted from a free living-symbiont form to the new host generation after metamorphosis.Expand
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