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Differential aminotransferase activity in normal, allatectomized, brain-cauterized and juvenoid treated male and female bugs (Lohita grandis)

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Summary

L-Alanine:2-oxoglutarate aminotransferase (GPT, 2.6.1) and L-aspartate:2-oxoglutarate aminotransferase (GOT, 2.6.1) activity were different in different tissues of each sex and also in the 2 sexes. In all tissues of both sexes GPT activity was found always to be higher than GOT activity. Allatectomy leads to a decline in the activity of both enzymes in all tissues of males and females. Juvenoid treatment of the allatectomized insects reverses the effect of allatectomy. After both allatectomy and brain-cauterization and extremely high decline of the activity of both enzymes in comparison to cases in which only allatectomy had been carried out.

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Authors and Affiliations

  1. Entomology Laboratory, Zoology Department, The University of Burdwan, 713104, Burdwan, West-Bengal, India

    Sanjay Mandal

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  1. Sanjay Mandal
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Additional information

Part of the Ph.D. thesis, Department of Zoology, University of Burdwan, Burdwan 1982.

Acknowledgments. Author is grateful to Prof. A.M. De Oliveira Filho (Universidade Federal do Rio de Janeiro e Institude de Pesquisas da Marinha, Brazil) for the kind gift of the juvenoid sample and for providing the bioassayed data and literature concerning this juvenoid in various hemipteran insects. This work was supported by the Council of Scientific and Industrial Research (New Delhi).

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Mandal, S. Differential aminotransferase activity in normal, allatectomized, brain-cauterized and juvenoid treated male and female bugs (Lohita grandis). Experientia 39, 192–194 (1983). https://doi.org/10.1007/BF01958895

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