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Characterization of incomplete vitellogenin (VgC) in the Indian freshwater murrel, Channa punctatus (Bloch)

Overview of attention for article published in Fish Physiology and Biochemistry, November 2014
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Title
Characterization of incomplete vitellogenin (VgC) in the Indian freshwater murrel, Channa punctatus (Bloch)
Published in
Fish Physiology and Biochemistry, November 2014
DOI 10.1007/s10695-014-0009-6
Pubmed ID
Authors

S. Pipil, V. S. Rawat, L. Sharma, N. Sehgal

Abstract

A novel incomplete vitellogenin (VgC) was purified from the plasma of estradiol-treated male murrel, Channa punctatus, by gel filtration chromatography. The native mass of VgC protein was 180 kDa, and it resolved as a single peptide of 100 kDa on SDS-PAGE. The peptide on subjecting to matrix-assisted laser desorption/ionization-time of flight produced a peptide mass fingerprint. On tandem mass spectrometry, some of these peptides showed mass to charge (m/z) ratio and amino acid sequence similarity with VgC peptides of other teleosts. Phylogenetic analysis revealed a similarity of murrel VgC with fish species of the order Perciformes. Semi-quantitative RT-PCR assay was developed to study expression of vgc gene at variable levels of estradiol exposure. Presence of VgC in males indicates that fish has been exposed to estrogens; hence, it can be used as a biomarker for estrogenic exposure.

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Mendeley readers

The data shown below were compiled from readership statistics for 11 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 3 27%
Researcher 2 18%
Student > Postgraduate 1 9%
Other 1 9%
Unknown 4 36%
Readers by discipline Count As %
Agricultural and Biological Sciences 4 36%
Veterinary Science and Veterinary Medicine 1 9%
Biochemistry, Genetics and Molecular Biology 1 9%
Chemistry 1 9%
Unknown 4 36%