Sudeepta Biswas

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Concentrations of Cu, Mn, Zn, Fe, Cr, and Pb were estimated using ICP-MS in nine commercially important and locally consumed fish species (Sarda orientalis, Scomberomorus commerson, Rastrelliger kanagurta, Sardinella longiceps, Paraplagusia bilineata, Cynoglossus lida, Cynoglossus macrostomus, Lepturacanthus savala, and Siganus javus) collected from coastal(More)
The effect of thyroid hormones (THs) on the expression of actin gene during fetal human brain development and the period of sensitivity to the hormones have been investigated. Developmental profile of actin in the cytoskeletal (CSK) and noncytoskeletal (non-CSK) fractions in the fetal cerebra showed a pronounced rise in the level of CSK actin at weeks(More)
Primary cultures of neurons from 16- to 17-day-old embryonic rat cerebra were maintained for 3 weeks in thyroid hormone deficient (THdef) and thyroid hormone supplemented (THsup) media to investigate how TH regulates the cytoskeletal (CSK) proteins during neuronal differentiation and maturation. Two distinct phases of regulation of triton-insoluble(More)
In the developing rat cerebra, triiodothyronine (T3) stimulates actin mRNA by acting predominantly at the level of transcription whereas tubulin mRNA is enhanced primarily by post-transcriptional regulation. We report here that in primary cultures of rat cerebra, the T3-induced actin gene expression is mediated by phosphorylation events. Inhibition of(More)
The objective of the present study was to characterize the concentrations of selected dissolved trace metals in the coastal waters (500 m from shore) of Kalpakkam, Tamil Nadu, India. The order of dissolved concentration of these metals was found to be as follows: Co (cobalt) < Cd (cadmium) < Cr (chromium) < Mn (manganese) < Cu (copper) < Ni (nickel) < Pb(More)
BACKGROUND The overexpression of oestrogen-related receptor-β (ERRβ) in breast cancer patients is correlated with improved prognosis and longer relapse-free survival, and the level of ERRβ mRNA is inversely correlated with the S-phase fraction of cells from breast cancer patients. METHODS Chromatin immunoprecipitation (ChIP) cloning of ERRβ(More)
Scolopsis igcarensis, a new species of monocle bream (family Nemipteridae) from the coastal waters of southern India and Sri Lanka is described. The species is distinguished from other species of the genus Scolopsis by a combination of the following characters: scales on top of head reaching forward to between anterior nostril and snout tip; lower margin of(More)
The composition, species richness and diversity of a coastal fish assemblage from the Kalpakkam coast of south-east India are described along with temporal distribution patterns related to seasonal fluctuations in dissolved oxygen, salinity, pH, chlorophyll-a, phytoplankton and zooplankton species richness and density. A total of 244 fish species belonging(More)