Biochemical changes in different tissues during yolk synthesis in marine prawn Penaeus indicus H. Milne Edwards

Mohamed, K S and Diwan, A D (1992) Biochemical changes in different tissues during yolk synthesis in marine prawn Penaeus indicus H. Milne Edwards. Indian Journal of Marine Sciences, 21 (1). pp. 30-34.

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Abstract

Biochemical changes taking place in ovary, hepatopancreas, muscle and haemolymph of P. indicus during ovarian maturation have been studied and quantified. The trends in the fluctuation of metabolites indicate that in ovary th~re is considerable accumulation of protein, lipid, cholester9l and carotenoids but loss of moisture and nucleic acids. Translocation of these metabolites takes place from the chief synthetic and storage organ, hepatopancreas, via haemolymph. During the initial stages of yolk synthesis, ovary is autosynthetic as indicated by high RNA values and RNNprotein ratio. Subsequently the mode of yolk formation shifts to heterosynthesis mainly through the uptake of lipid from hepatopancreas. RNNDNA ratio has been found to be useful as an index of ovarian growth.

Item Type: Article
Uncontrolled Keywords: Biochemical changes; tissue; yolk synthesis; marine prawn; Penaeus indicus
Subjects: Biochemistry
Crustacean Fisheries > Prawn and Prawn fisheries
Biochemistry > Biochemical composition
Divisions: CMFRI-Cochin > Marine Capture > Crustacean Fisheries
Subject Areas > CMFRI Brochures > CMFRI-Cochin > Marine Capture > Crustacean Fisheries
Depositing User: Arun Surendran
Date Deposited: 05 Feb 2011 07:16
Last Modified: 09 Sep 2015 15:43
URI: http://eprints.cmfri.org.in/id/eprint/7314

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