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Tuesday, May 12, 2020 | History

1 edition of Uptake of cadmium by marine bacteria and transfer to a deposit feeding clam found in the catalog.

Uptake of cadmium by marine bacteria and transfer to a deposit feeding clam

David C. Burrell

Uptake of cadmium by marine bacteria and transfer to a deposit feeding clam

by David C. Burrell

  • 77 Want to read
  • 34 Currently reading

Published by Alaska Sea Grant College Program, University of Alaska in Fairbanks .
Written in English

    Subjects:
  • Clams.,
  • Cadmium -- Toxicology.,
  • Cadmium -- Physiological effect.

  • Edition Notes

    Statementby David C. Burrell and Donna Weihs.
    SeriesAlaska sea grant report -- 83-5., IMS report / Institute of Marine Science, University of Alaska -- no. 82-3., Alaska sea grant report -- no. 83-5., IMS report -- R82-3.
    ContributionsWeihs, Donna., University of Alaska, Fairbanks. Institute of Marine Science.
    The Physical Object
    Pagination65 p. :
    Number of Pages65
    ID Numbers
    Open LibraryOL15069336M

    illustration of the feeding system and a photograph of the experimental setup. Time-course data of Cd con-centration in the solution (Fig. 2) and water uptake by the plant (data not shown) were monitored. Simulta-neously, Cd movement into the aerial part of the plant was imaged using PETIS (Figs. 3 and 4; Supplemental Video S1).Cited by: The measurements of cadmium influx rates (uptake from dissolved phase), efflux rates (depuration), food ingestion rates, growth rates, assimilation efficiencies (AE) and cadmium partitioning into organs and subcellular fractions were used to predict cadmium concentrations in.

    Adult mallard ducks fed 0, 2, 20, or ppm of cadmium chloride in the diet were sacrificed at day intervals and tissues were analyzed for cadmium. No birds died during the study and body weights did not change. The liver and kidney accumulated the highest levels of cadmium. Tissue residues were significantly correlated in all treatment groups and residues increased with treatment level. The role of bacterial exopolymer and suspended bacteria in the nutrition of the deposit-feeding clam Macoma balthica. Journal of Marine Resea {Reprint # 29}.

    Trophic transfer of metals along freshwater food webs: Evidence of cadmium biomagnification in nature Marie-Noe¨le Croteau,1 Samuel N. Luoma, and A. Robin Stewart U.S. Geological Survey, Middlefield Road, MS, Menlo Park, California Abstract. Mercury, Lead, Cadmium, Tin and Arsenic in Food Toxicity of mercury, lead, cadmium, tin and arsenic compared with its uptake. This process of bioaccumulation of metals occurs in all animals, including food animals such as fish and cattle as well as humans. It .


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Uptake of cadmium by marine bacteria and transfer to a deposit feeding clam by David C. Burrell Download PDF EPUB FB2

Additional Physical Format: Online version: Burrell, David C. Uptake of cadmium by marine bacteria and transfer to a deposit feeding clam.

Fairbanks, Alaska: Alaska Sea Grant College Program, University of Alaska: Institute of Marine Science, University of Alaska, []. Cadmium uptake and trophic transfer in coastal plankton under contrasting nitrogen regimes Article in Marine Ecology Progress Series February with 33 Reads How we measure 'reads'.

Cadmium is an important environmental pollutant and a potent toxicant to bacteria, algae, and fungi. Mechanisms of Cd toxicity and resistance are variable, depending on the organism. It is very clear that the form of the metal and the environment it is studied in, play an important role in how Cd exerts its effect and how the organism(s) by: Cadmium Accumulation by Marine Bacteria G.

Flatau & M. Gauthier INSERM Unit40, 1 Avenue Jean Lorrain. F Nice, France Complexation of metals by marine bacteria is a well known phenomenon.' In the marine environment it may play a determining role in the mobilisation of metals and their transfer into sediments2 or through food chains.'Cited by: 1.

The relative importance of water and diet for uptake and subcellular distribution of cadmium in the deposit-feeding polychaete, Capitella sp.

I Article in Marine Environmental Research 57(4) What happens to Cadmium in the environment. Cadmium is released by various natural and anthropogenic sources to the atmosphere, aquatic and terrestrial environments, mostly in the form of particles of cadmium oxides.

Natural sources of cadmium result from mobilization of naturally occurring cadmium from the Earth's crust and mantle, by volcanic activity and weathering of rocks. Although Shark Bay is remote from all known industrial and geological sources of heavy metals, the cadmium content of several species of Shark Bay molluscs may exceed 10 mg/kg.

The cadmium load in these molluscs varies geographically within the bay, but possible explanations for cadmium distribution involving variation in salinity, saline groundwater influx, the dissolved cadmium Cited by:   The crab Carcinus maenas (L.) was exposed to radioactively labelled cadmium dissolved in seawater at concentrations of1 and 10 ppm, the latter concentration being toxic to the crabs (50% mortality after days).

Net accumulation of cadmium from solution was proportional to the level and time period of cadmium exposure. Total absorbed cadmium levels reached and mg Cd Cited by: Although cadmium is known to be very toxic, it exhibits nutrient-like vertical concentration profiles in the open ocean.

Here I show that cadmium is a nutrient for the marine diatom Thalassiosira weissflogii, a chlorophyte and some prymnesiophytes at inorganic zinc and cadmium concentrations typical of surface sea water (although.

Norway lobsters, Nephrops norvegicus, were fed on a mercury‐ and cadmium‐rich diet for up to 50 d or were exposed to sublethal concentrations of organic mercury, inorganic mercury, or cadmium in seawater for 30 m taken up from seawater accumulated mainly in the hepatopancreas and gill, while it accumulated mainly in the hepatopancreas after by: @article{osti_, title = {Effects of chronic metal exposure and sediment organic matter on digestive absorption efficiency of cadmium by the deposit-feeding polychaete Capitella species I}, author = {Selck, H and Forbes, V E and Decho, A W}, abstractNote = {Organic matter such as humic acid and bacterial slime exopolymer are common in estuarine and coastal sediments, where they are.

The uptake and assimilation efficiency of cadmium administered via the food in the shore crab Carcinus maenas were investigated together with elimination kinetics and seasonal variations in cadmium content. The majority of shore crabs assimilated between 41 and 86% of the cadmium administered in their by:   To date, the effects of ocean acidification on toxic metals accumulation and the underlying molecular mechanism remains unknown in marine bivalve species.

In the Cited by: The Gram-negative bacteria were also able to accumulate higher amounts of cadmium during growth than the Gram-positive bacteria.

The maximum values of specific metal uptake (microgram of Cd2+ incorporated per mg of protein) were: for S. aureus, for S. faecium, for B. subtilis, for E. coli and for P. aeruginosa Cited by: contamination by cadmium of the environment and consequently of the food chain [10, 11].

Increases in cadmium levels in soil result in an increase in the uptake of cadmium by plants, although the extent to which this happens will depend on the soil pH, plant species and the part of.

cadmium will leach from the solids and dissolve in water, especially under acidic pH conditions. • Dissolved cadmium and its compounds are toxic to humans, wildlife, and especially aquatic biota, at low concentrations. • Like all metals, cadmium can move from one environmental compartment to File Size: KB.

ABSTRACT The Eastern oyster Crassostrea virginica is a marine bivalve that has been used extensively in metal bioaccumulation studies. We exposed C. virginica to 0 mg/L cadmium, mg/L cadmium, or mg/L cadmium in seawater for 96 h and then measure the activity of enzymes (amylase, laminarinase, and protease) in the digestive gland.

The high uptake of Cd, Ni and V was directly proportional to their respective concentrations, mg/l for Cd and Ni and 5 - 40 mg/l for V. The maximum amount of heavy metal uptake occurred during stationary phase when cells were incubated at 30°C for 72h.

The results revealed that these bacteria accumulated approximately % Cd, % Ni. Mixed cultures of marine bacteria isolated from the sediments of Corpus Christi Harbor were examined for their ability to assimilate or precipitate radioactive zinc and cadmium from solution.

Test data indicate that during summer, when bacterial activity is at a maximum, the bacteria and their metabolic byproducts play a significant role in the removal of zinc and cadmium from seawater and.

T1 - Cadmium accumulation and in vitro analysis of calcium and cadmium transport functions in the gastro-intestinal tract of trout following chronic dietary cadmium and calcium feeding.

AU - Klinck, Joel S. AU - Ng, Tania Y.T. AU - Wood, Chris M. PY - /9. Y1 - /9Cited by:. Cadmium hazards to fish, wildlife, and invertebrates: a synoptic review [R. Eisler] on *FREE* shipping on qualifying offers.

July Biological Report 85(), Contaminant Hazard Reviews, U.S. Fish and Wildlife Service. 46 pages.Cadmium is produced mainly as a by-product of mining, smelting and refining of zinc and, to a lesser degree, as a by-product of lead and copper manufacturing.

Most of the cadmium produced is used in the production of nickel-cadmium batteries, which in represented 81 per .Contaminated sediment exposure experiments were conducted using a marine deposit-feeding clam (Macoma nasuta) to determine biota-sediment accumulation factors (BSAFs) based on ingested sediment and fecal organic carbon.

Internal, or gut, BSAFs were determined for hexachlorobenzene and