The kinetics of accumulation and excretion of ferric hydroxide in Mytilus edulis (I.) and its distribution in the tissues

George, Stephen; Pirie, B. J. S.; Coombs, Thomas L.

doi:10.1016/0022-0981(76)90086-1

Cited by 160 publications

(73 citation statements)

References 8 publications

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“…Our data, obtained by microanalytical imaging techniques, clearly support the existence of both mechanisms for Cr concentration in the byssal threads of the mussel. An iron excretion role for the byssus has been suggested (George et al 1976), involving transfer from the other tissues to the byssus via the haernolymph. In experiments on factors influencing the flux of arsenic through Mytilus galloprovincjalis, Unlii & Fowler (1979) found the highest concentration of 7 4~s in the byssus.…”

Section: Discussionmentioning

confidence: 99%

Chromium uptake, distribution and loss in the mussel Mytilus edulis a structural ultrastructural and microanalytical study

Chassard-Bouchaud¹,

Boutin²,

Hallégot³

et al. 1989

Dis. Aquat. Org.

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Several microanalytical techniques were used to assess the distribution and chemical form of chromium in various tissues of Mytjlus edulls, at the cellular and subcellular levels After 2 wk exposure to Cr (111) salt (Cr occurs principally in the trivalent state in the natural environment), investigations were performed on mussels, using secondary ion mass spectrometry (ion microscope and ion microprobe) associated with photon microscope, and X-ray spectrometry (electron microprobe) associated with transmission electron miscroscope. Cr measurements gave the following: kidney and gills exhibited the highest values, intermediate values were found for muscle and byssus (where Cr was adsorbed onto the threads and was incorporated within them), and lowest values were found in the digestive gland. Cr was also detected in the amoebocytes but not in the reproductive cells. The target organelle of Cr accumulation was shown to be the lysosome where the metal was associated with phosphorus and sulfur and trapped in an insoluble form. The significance of these different data is discussed. Cr kinetics of metabolism was compared between mussels and other aq.uatic organisms. Comparison in M. edulis of Cr metabolism with metabolism of other metals leads to the conclusion that Cr is metabolised and transported differently from most toxic metals.

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Section: Discussionmentioning

confidence: 99%

Chromium uptake, distribution and loss in the mussel Mytilus edulis a structural ultrastructural and microanalytical study

Chassard-Bouchaud¹,

Boutin²,

Hallégot³

et al. 1989

Dis. Aquat. Org.

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“…The high bioconcentration factor in a metal free medium in mussel gills indicated that the gills were the sites of dominance for Pb and Zn assimilation in M. edulis [76]. George et al [77] found Fe in the gills of M. edulis was localized in membrane bound vesicles that was formed by pinocytosis, of the epithelial cells on the gill surfaces.…”

Section: Fig 1 -High Bioaccumulation Ability Of Mya Arenaria For Butmentioning

confidence: 99%

Biomonitoring: An appealing tool for assessment of metal pollution in the aquatic ecosystem

Zhou

Zhang

et al. 2008

Analytica Chimica Acta

756

348

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“…Mussels and other molluscs possess elaborate pathways and mechanisms for acquiring and trafficking metal ions within their tissues [11]. Studies using radiolabelled Fe have demonstrated that seawater metals accumulate in the soft tissue of the mussel and are subsequently actively integrated into the byssus [12]. The broad range of metal ions found in threads (e.g.…”

Section: Introductionmentioning

confidence: 99%

Mechanical homeostasis of a DOPA-enriched biological coating from mussels in response to metal variation

Schmitt

Winter

Bertinetti

et al. 2015

J. R. Soc. Interface.

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Protein -metal coordination interactions were recently found to function as crucial mechanical cross-links in certain biological materials. Mussels, for example, use Fe ions from the local environment coordinated to DOPA-rich proteins to stiffen the protective cuticle of their anchoring byssal attachment threads. Bioavailability of metal ions in ocean habitats varies significantly owing to natural and anthropogenic inputs on both short and geological spatio-temporal scales leading to large variations in byssal thread metal composition; however, it is not clear how or if this affects thread performance. Here, we demonstrate that in natural environments mussels can opportunistically replace Fe ions in the DOPA coordination complex with V and Al. In vitro removal of the native DOPA-metal complexes with ethylenediaminetetraacetic acid and replacement with either Fe or V does not lead to statistically significant changes in cuticle performance, indicating that each metal ion is equally sufficient as a DOPA cross-linking agent, able to account for nearly 85% of the stiffness and hardness of the material. Notably, replacement with Al ions also leads to full recovery of stiffness, but only 82% recovery of hardness. These findings have important implications for the adaptability of this biological material in a dynamically changing and unpredictable habitat.

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The kinetics of accumulation and excretion of ferric hydroxide in Mytilus edulis (I.) and its distribution in the tissues

Cited by 160 publications

References 8 publications

Chromium uptake, distribution and loss in the mussel Mytilus edulis a structural ultrastructural and microanalytical study

Chromium uptake, distribution and loss in the mussel Mytilus edulis a structural ultrastructural and microanalytical study

Biomonitoring: An appealing tool for assessment of metal pollution in the aquatic ecosystem

Mechanical homeostasis of a DOPA-enriched biological coating from mussels in response to metal variation

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