An electron-microscope investigation of the cells lining the outer surface of the mantle in some marine molluscs

Bubel, A.

doi:10.1007/bf00355254

Cited by 26 publications

(13 citation statements)

References 22 publications

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“…Immediately after shell damage, the cells undergo increase in secretory activity. It in turn results in increase in the number of lysosomes and multivesicular bodies leading to the formation of an organized layer called proto-ostracum [2]. In the present study also electron dense bodies were observed throughout the area examined for ultra structure changes.…”

Section: Resultssupporting

confidence: 64%

“…The cells of mantle epithelium showed structural changes and degeneration involving atrophy of cells. Bubel [2] stated that periostracum repair in damaged cells is similar to that in cells infested by parasites. The ultra structure of the neopilinid mantle edge differs from that of other bivalves in several aspects.…”

Section: Resultsmentioning

confidence: 99%

“…He also examined the cells lining the periostracum groove in some marine bivalves by means of electron microscopic studies [2]. Gulka & Chang [3] investigated on the prokaryotic infestation associated with the mass mortality of the sea scallop Plactopectenmagellanicus.…”

Section: Introductionmentioning

confidence: 99%

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Histological and Ultra Structural Changes in the Mantle of Perna indica (Brown Mussel, Kuriakose and Nair, 1976) Infested by Bioeroding Sponges

P¹

2015

JAMB

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Section: Resultssupporting

confidence: 64%

Section: Resultsmentioning

confidence: 99%

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Histological and Ultra Structural Changes in the Mantle of Perna indica (Brown Mussel, Kuriakose and Nair, 1976) Infested by Bioeroding Sponges

P¹

2015

JAMB

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“…The mantle of bivalves is polyfunctional and concerned with the secretion of shell, sensory perception and the control of the water cleaning current in the mantle cavity. Histology, histochemistry and ultrastructure of the mantle have been studied well and different types of the cells have been revealed in the mantle folds of some bivalves (Galtsoff 1964, Hillman 1968, Bubel 1973, Stasek & McWilliams 1973, Aleksandrova 1987, Morrison 1993, Garciagasca et al 1994, Mikhailov et al 1996, Reindl & Haszprunar 1996.…”

Section: Introductionmentioning

confidence: 99%

Tumor-like lesions in the mantle of the mussel Modiolus difficilis from the Sea of Japan

Usheva

Odintsova²

1999

Dis. Aquat. Org.

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Two inner growths in the mantle beneath the epithelium were found in 1 of 1000 mussels Modiolus difficifis from Amursky Bay, Sea of Japan, within the city precincts of Vladivostok. Both growths were about 2000 pm in maximal diameter in section and elevated slightly above the mantle surface. The mantle epithelium near the growths formed deep invaginations, and clusters of mucous cells were numerous beneath the epithelium. Histological and histochemical methods were employed. Two different kinds of growth were revealed. The off-white growth consisted of cells with thin granular or vesicular cytoplasm containing glucosaminoglycans, proteins and a small amount of neutral polysaccharides. Growth cells were pure white in color after treatment of preparations with 1 % HzS04 and differed markedly from the mantle cells. The yellow growth consisted of large granular cells with neutral polysaccharides and proteins. Although growths were composed of different kinds of cells, they seemed to be derived from subepithelial mucous cells. This was supported by histological and histochemical staining reactions of some tumor and mantle epithelia1 cells. Mitotic indices (MI) of growths and subepithelial mucous cells were zero, M1 of ciliated mantle epithelium reached 0.07 %. The lesions were areas of strongly altered mucous cells of mantle epithelium and were non-neoplastic.

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“…이러한 해양생물체에 대한 독성 때문에 세계 각국에서는 TBT을 각국의 사정에 따라 사용을 규제하고 있고 (Champ, 2000), Clavell et al, 1986 (Kawaguti and Ikemoto, 1962;Bubel, 1973;Saleuddin, 1974;Morrison, 1993;Lee et al, 2007 (Fig. 2C).…”

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Ultrastructural Changes in the Mantle of the Equilateral Venus, Gomphina veneriformis (Bivalvia: Veneridae) Exposed to TBTCl

Park¹,

Kim²,

Park³

et al. 2011

The Korean Journal of Malacology

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Equilateral venus, Gomphina veneriformis exposed to tribultyltin chloride (TBTCl) for 36 weeks was showed ultrastructural changes of the mantle. The fine mantle had 4-folds and its epidermal layer consisted of simple columnar epithelial cells and ciliated cells and secretory cells. Inner and outer epidermal layer covered connective tissue. The mantle exposed to TBTCl at 12 weeks was decreased cilia in the inner epidermal layer, and observed extension of the hemolymph sinus and destruction of the septum. At 20 weeks, it revealed vacuole formation and pycnosis in the cytoplasm, and scattered muscular fiber. After 28 weeks of exposure, the mantle revealed partially degenerative changes in the epidermal layer. In the ciliated cells, basal body was isolated from the cilia and rootlet complex and basal foot were scattered. The sarcolemma had debris fiber. At 36 weeks, it observed degenerative cells that it revealed disappearance of the cilia, atrophic nucleus, poorly membrane and destruction of the cresternae in the mitochondria, and increasing heterophagosome. The outer epithelial cell had necrotic nuclus, numeous lysosome and disappearance of the microvilli. Therefore, results of this study suggested that chronical TBTCl exposure in the Gomphina veneriformis induced the disorders of shell growth and physiological function with histopathological changes of the mantle.

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An electron-microscope investigation of the cells lining the outer surface of the mantle in some marine molluscs

Cited by 26 publications

References 22 publications

Histological and Ultra Structural Changes in the Mantle of Perna indica (Brown Mussel, Kuriakose and Nair, 1976) Infested by Bioeroding Sponges

Histological and Ultra Structural Changes in the Mantle of Perna indica (Brown Mussel, Kuriakose and Nair, 1976) Infested by Bioeroding Sponges

Tumor-like lesions in the mantle of the mussel Modiolus difficilis from the Sea of Japan

Ultrastructural Changes in the Mantle of the Equilateral Venus, Gomphina veneriformis (Bivalvia: Veneridae) Exposed to TBTCl

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