• Dwijendra K Gupta

      Articles written in Journal of Biosciences

    • The effect of exposure to low temperature on the metabolism of carbohydrates, lipids and protein in the larvae ofPhilosamia ricini

      Radha Pant Dwijendra K Gupta

      More Details Abstract Fulltext PDF

      Exposure of the silkworm(Philosamia ricini) larvae to cold temperature (2‡C) and subsequent exposure to room temperature (29‡ C) resulted in the mortality of the larvae.

      Cold exposure brought about significant decrease in enzymic activity of proteases, aminotransferases, diacylglycerol lipase and in the amounts of some haemolymph sugars and polyols. However, glycerol increased sharply in response to severe cold exposure. There was also a marked increase in the levels of protein, pyruvate, total free amino acids, total lipid, phospholipid and triacylglycerols.

      In the colder environment, carbohydrates served as the energy source. Glycerol appears to have conferred cryoprotection to the cold-stressedPhilosamia ricini larvae.

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