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Seasonal variations of proteins and amino acids in three salt marsh species

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Proceedings / Indian Academy of Sciences

Abstract

Observations on the protein content in 3 tropical salt marsh species viz.,Avicennia marina, Arthrocnemum indicum andHeleochloa setulosa showed 7·3–22·8% of alkali soluble proteins in vegetative parts and their maximum concentrations was during summer. The ethanol and water soluble proteins occurred in lower concentrations than alkali soluble proteins and their content did not vary during monsoon, winter and summer. Alanine, aspartic acid, glutamic acid, glycine, methionine, phenylalanine, serine and valine occurred in greater quantity than cystine, glutamine, isoleucine, leucine and threonine. Accumulation of proline was quite high inHeleochloa but it was not detected inArthrocnemum andAvicennia. Similarly, arginine was absent inAvicennia and its concentration in two other species was low. Seasonal changes indicated maximum accumulation of most of the amino acids inAvicennia in summer and inArthrocnemum andHeleochloa in monsoon.

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Authors and Affiliations

  1. Department of Life Sciences, Bhavnagar University, 364 002, Bhavnagar, India

    A J Joshi & A Sagar Kumar

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  1. A J Joshi
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  2. A Sagar Kumar
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Joshi, A.J., Kumar, A.S. Seasonal variations of proteins and amino acids in three salt marsh species. Proc. Indian Acad. Sci. 99, 287–292 (1989). https://doi.org/10.1007/BF03053604

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  • DOI: https://doi.org/10.1007/BF03053604

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