I'm looking for articles with the top result of kindly Bivalve for bioindicators, biomarkers in pollution biomonitoring from your country. Any suggestions, please?
Depending on the specificities of your study area, you may find a wide range of potential bivalves used as bio-indicators. In my list of publications you will find some papers using Cerastoderma edule (the European cockle) and Venerupis (=Ruditapes) phillipinarum (Japonic clam). You might find others from my co-authors working with other Venerupis species and Scrobicularia plana (peppery furrow shell), inhabiting Portuguese waters.
The attached is not really related to bivalves as pollution indicators, but more to the use of their diversity as a general indicator of ecosystem 'health', which may relate to water quality, but also to other factors such as habitat. It concentrates on Unionidae. You may find it useful.
Also, some years ago, my team used a mussel monitoring system in which elecrodes were attached to either valve and the rate of opening and closing wasrecorded over an extended time period. The theory was that the more of the period the mussels spent closed, the lower the water quality. It was applied to Ferric Sulphate dosing for algal control in Rutland Water in the UK Midlands, to ascertain potential impact of iron on the ecosystem. We used Dreissena polymorpha for this. I donated the monitoring kit to the Freshwater Biological Association for research on Margaritifera, so, if you want some furher detail, it may be worth talking to Louise Lavictoire to see if it was of any use.
In my research I have focussed on the use of Scrobicularia plana as a biomonitor in temperate estuarine ecosystems... attached are the most relevant papers, but fell free to browse my publication list for further research.
many scientist using Mussel to indicated pollution of heavy mental in surface water. e.g. Prof. Wenxiong Wang, in Hong Kong, You may find more paper in his personal website http://ihome.ust.hk/~wwang/
in addition, attach pleased find a Manual of "A Training Manual for Assessing Pollution (trace/heavy metals) in Rivers, Estuaries and Coastal waters-Using Innovative “Artificial Mussel (AM) Technology” - Bangladesh Model."
Bivalve mollusks, such as mussels and oysters are very efficient in concentrating both heavy metals and organic contaminants. in addition to this prime criterion their limited mobility, limited ability to metabolize accumulated contaminants, abundance, persistence, and ease of collection have made them suitable bioindicators/biomonitors of contaminants- both inorganic & organic. In addition to biomonitoring they can also be used as living machines in polishing wastewater containing such contaminants owing to their high biofilter & bioaccumulator capacity.
Bivalve biomarkers occur at different levels of organization, from subcellular to whole organisms. Biomarkers can be generally, broadly categorized as markers of exposure and effect. Biomarkers of exposure are the product of integration between a xenobiotic and some target molecule or cell that is measured within a compartment of an organism. Biomarkers of effects are measurable biochemical, physiological, behavioral, or other changes within an organism that, according to their magnitude, can be recognized as established or potential health impairment or disease.
Some biomarkers are highly specific for individual chemicals; such biomarkers include inhibition of cholinesterase by organophosphate or carbamate metallothioneines by toxic trace metals and ethoxyresorufin-o-eethylase (EROD) respond to organic chemicals, particularly PAHs and PCBs. Others biomarkers are also well validated, but they have wider application and tend to respond to broader classes of chemicals. Example of these biomarkers are the induction of the multiplexenobiotic Resistance (MXR) protein, Some cellar ans cytogenetical manifestations are formation of DNA adduct and other DNA alteration, and also lysosomal alteration in molluscan digestive gland cell, etc. These assays required either additional biomarker studies or chemical residue analysis in order to link causative agent to adverse effect.
Wellknown biomarkers are metallothioneins (MTs), malonedialdehyde (MDA), acetylcholinesterase (AchE) and glycogen.
Bivalve species can accumulate and tolerate high amounts of heavy metals owing to their metal handling capacity by metallothioneins (MTs). MTs are low
molecular weight, cysteine-rich, cytosolic proteins of ubiquitous occurrence which are suggested to inactivate toxic metal ions by binding them to sulfur atoms of the peptide cysteine residues.
Malonedialdehyde (MDA), is a product of lipid peroxidation due to over production of oxyradicals in cells, following contaminant exposure or stress. Lipid peroxidation is considered as an important feature in cellular injury. It results from free radical reactions in biological membranes, which are rich in polyunsaturated fatty acids (PUFA). MDA has been used extensively to assess detrimental effects of
various pollutants like heavy metals (Cd, Cu, Zn).
Acetylcholinesterase activity (AchE) is an enzyme essential for transmission of nerve impulse. A reduction or inhibition of this enzymatic activity has
been used to detect and measure the biological effect of organochlorine, organophosphate and carbamates.