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The regulatory mechanism of the male accessory reproductive gland (ARG) of Serinetha augur (Fabr) (Heteroptera: Coreidae)—A cotton pest

Published online by Cambridge University Press:  19 September 2011

P. Basker
Affiliation:
Centre for Applied Genetics, Dept. of Zoology, Bangalore University, Bangalore-560056, India
L. S. Ranganathan*
Affiliation:
Dept. of Zoology, Annamalai University, Annamalai nagar-608 002, Tamil Nadu, India
P. Padmanabhan
Affiliation:
Dept. of Zoology, Annamalai University, Annamalai nagar-608 002, Tamil Nadu, India
*
* Corresponding author.
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Abstract

The present study deals with the interrelationship of the neuroendocrine complex (NEC) and male accessory reproductive gland (ARG) of a cotton bug, Serinetha augur. The NEC consists of brain (cerebral ganglia), corpus cardiacam (CC) and corpus allatum (CA). Based on the staining reaction of aldehyde fuchsin (AF) and chrom alum haematoxylin-phloxin (CAHP), four types of neurosecretory cells have been identified in the brain. The neuroendocrine control over the ARG in S. augury was investigated through ARG extirpation (andgonadectomy)-induced hypertrophy of CA. The changing pattern of proteins in the brain during the pre- and post-mating periods (as judged by electrophoretic investigations) further supports the interrelationship of the NEC and ARG.

Résumé

L'étude actuelle s'agit de la entreparenté du complexe néuroendocrine (CNE) et de la glande reproductrice accessoire mâle (GRA) d'une punaise cotonière, Serinetha augur. Le CNE consiste en cerveau (cerebral ganglia), corpus cardiacam (CC) et corpus allatum (CA). Fondé sur la réaction tachante d'aldehyde fuchsin (AF) et de chrom alum haematoxyline et phloxine (CAHP), quatre sortes de cellules néurosécrétoires ont été identifieés dans le cerveau. Le contrôle néuroendocrine sur la GRA dans S. augur était recherché à travers l'extirpation de la GRA et la gondectomie hypertrophie du CA. Le dessin changeant des proteins dans le cerveau pendant la période d'accouplement avant et aprés (par des recherches électrophoretiques) soutient l'entreparente du CNE et la GRA.

Type
Research Articles
Copyright
Copyright © ICIPE 1994

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