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Haemolymph amino acids alterations in pyridalyl treated desert locust, Schistocerca gregaria in relation to age
Faculty
Science
Year:
2012
Type of Publication:
Article
Pages:
3380-3385
Authors:
Zahia, K. Mostafa, Eman, M. Rashad, Salam, S. Teleb
Journal:
LIFE SCIENCE JOURNAL-ACTA ZHENGZHOU UNIVERSITY OVERSEAS EDITION MARSLAND PRESS
Volume:
9
Research Area:
Life Sciences \& Biomedicine - Other Topics
ISSN
ISI:000316685600132
Keywords :
Schistocerca gregaria, haemolymph, amino acids, pyridalyl
Abstract:
Studies were undertaken to investigate haemolymph amino acids alterations by amino acid analyzer in the 5th nymphal instar and adult Schistocerca gregaria in preoviposition and oviposition periods before and after pyridalyl treatment. The concentrations of these amino acids in both control and treated haemolymph samples of the 5th nymphal instars showed a wide range of variations. The pattern of amino acids showed an obvious increase in the haemolymph of the nymph after treatment with pyridalyl. Methionine and tryptophan were completely lost in untreated and treated nymphs. The pattern of some amino acids in 1-day old adult exhibited obvious increase in the haemolymph after treatment with pyridalyl, while proline, threonine, glycine and arginine showed a decrease in their concentrations after treatment. On the other hand, most of the amino acids exhibited an obvious decrease in the haemolymph of the 10 days old adult females after treatment with pyridalyl. Also, the amino acids in the haemolymph of the 18 days old adult females exhibited an obvious decrease after treatment with pyridalyl except threonine, serine, phenylalanine, glutamic acid and alanine. {[}Zahia, K. Mostafa, Eman, M. Rashad and Salam, S. Teleb. Haemolymph amino acids alterations in pyridalyl treated desert locust, Schistocerca gregaria in relation to age. Life Sci J 2012; 9(4):3380-3385]. (ISSN: 1097-8135). http://www.lifesciencesite.com. 501
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