𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Formation of metallothioneins in relation to accumulation of cadmium in the common musselMytilus edulis

✍ Scribed by K. Köhler; H. U. Riisgård

Publisher
Springer-Verlag
Year
1982
Tongue
English
Weight
497 KB
Volume
66
Category
Article
ISSN
0025-3162

No coin nor oath required. For personal study only.

✦ Synopsis

Accumulation rates of Cd have been studied in the common mussel Mytilus edulis L. under different laboratory conditions. Semi-static and throughLflow experiments were carried out at Cd concentrations of 200ppb and 50/ 100 ppb in the water, respectively. A linear uptake of Cd throughout the experimental periods of 36 or 124 d was found in all experiments. The accumulation rate was 3.10 ppm d -1 at 50 ppb in the through-flow water experiment, 4.1 ppm d -1 in starved and 6.6 ppm d -1 in fed mussels in the semi-static experiments with 200 ppb Cd in the water. The Cd-accumulation rate in various fractions of soft parts decreased in the order: body > mantle > muscles. Elution patterns obtained from gel-filtrations showed an increasing amount of Cd-binding proteins (metaltothioneins) when the body burden of Cd increased. The Cd content in the body fraction of mussels transferred to clean water for 42 d after first being exposed to Cd during 124 d decreased from 564 ppm on a dry weight basis to 417 ppm while the fraction of Cd bound to metallothioneins rose from 22 to 78% during the same period.

📜 SIMILAR VOLUMES

Accumulation of cadmium and bioenergetic
Accumulation of cadmium and bioenergetics in the musselMytilus edulis
✍ E. Poulsen; H. U. Riisgård; F. Møhlenberg 📂 Article 📅 1982 🏛 Springer-Verlag 🌐 English ⚖ 408 KB

Accumulation rates of cadmium, the amount of food ingested and assimilated, the amount of oxygen consumed and changes in dry flesh weight have been measured in Mytilus eduIis L. exposed to 0, 10 and 100 ppb cadmium for 17 d in aquaria with seawater flowing continuously and at constant algal concentr

Accumulation of cadmium in the musselMyt
Accumulation of cadmium in the musselMytilus edulis:kinetics and importance of uptake via food and sea water
✍ H. U. Riisgård; E. Bjørnestad; F. Møhlenberg 📂 Article 📅 1987 🏛 Springer-Verlag 🌐 English ⚖ 463 KB

In a short-term (162 h) accumulation experiment with mussels Mytilus edulis exposed to 100 ppb Cd and fed algal cells (Phaeodactylum tricornutum) in 1986, it was found that uptake via food played an insignificant role compared to direct uptake from ambient water (19%0 S). From measurements of the fi

Contribution to the ecotoxicological stu
Contribution to the ecotoxicological study of cadmium, copper and zinc in the musselMytilus edulis
✍ C. Amiard-Triquet; B. Berthet; C. Metayer; J. C. Amiard 📂 Article 📅 1986 🏛 Springer-Verlag 🌐 English ⚖ 655 KB

A regulation of internal levels of some essential metals has been observed in various animals, whereas the bioaccumulation of several non-essential metals parallels their overloads in water. In the mussel Mytilus edulis L., we have attempted to determine if such a phenomenon exists by comparing the

An estimate of the amount of genetic var
An estimate of the amount of genetic variation in the common musselMytilus edulis
✍ Mahmud Ahmad; D. O. F. Skibinski; J. A. Beardmore 📂 Article 📅 1977 🏛 Springer 🌐 English ⚖ 794 KB

Allozyme variation in a population of the common mussel Mytilus edulis in Mumbles, South Wales, has been studied by starch gel electrophoresis. On the basis of data obtained for 34 loci, we estimate the proportion of loci polymorphic to be 30%. Using only the 29 loci for which individual genotypes c

The effects of metallothionein 2A polymo
The effects of metallothionein 2A polymorphism on placental cadmium accumulation: is metallothionein a modifiying factor in transfer of micronutrients to the fetus?
✍ Deniz Tekin; Zeliha Kayaaltı; Vugar Aliyev; Tülin Söylemezoğlu 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 127 KB

## ABSTRACT Metallothionein affects the metabolism, transport and storage of micronutrients such as zinc, copper and iron, and the detoxification of heavy metals, especially cadmium. Cd is a common, highly toxic environmental pollutant that accumulates in human placenta, elevated concentrations of

The assimilation and chronic effects of
The assimilation and chronic effects of sub-lethal concentrations of Endosulfan on condition and spawning in the common musselMytilus edulis
✍ D. Roberts 📂 Article 📅 1972 🏛 Springer-Verlag 🌐 English ⚖ 697 KB

The rate of uptake of Endosulfan by Mytilus edulis L. exposed to pesticide concentrations of 0.1, 0.5, and 1.0 rag/l, and its subsequent elution on removal to clean sea water, was investigated. Higher residue levels were recorded for mussels exposed to higher concentrations of the pesticide, but co