secretory activity and endocrine regulation of male accessory glands in the blood-sucking bug panstrongylus megistus (hemiptera: reduviidae)
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ID: 154920
1987
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Abstract
The epithelial cells of Panstrongylus megistus male accessory glands (MAG) present ultrastructural characteristics of a secretory cell. Their secretory products are accumulated in the lumen of the four MAG lobes. During the first 8 days of adult life a strong secretion activity occurs, accumulating enough material to produce the first spermatophore. Cerebral neurosecretions as well as juvenile hormone are both involved in MAG secretory activity regulation. Juvenile hormone seems to be the responsible for the stimulation of most protein synthesis in male accessory glands. Cerebral neurosecretion seems to be necessary to stimulate juvenile hormone production and release by the corpus allatum. Furthermore, neurosecretion is required for some polypeptides synthesis by MAG. Although topic application of precocene II to adult males does not reproduce the same effects on MAG as does allatectomy, this compound causes strong reduction on male reproductive capacity.
| Reference Key |
regis1987memriassecretory
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| Authors | ;Lêda Regis;André F. Furtado;Yara de M. Gomes;Vera B. Coutinho;Maria José C. Schuetz;Vânia S. Cavalcante;M. Edileuza F. Brito;Helio B. Coutinho |
| Journal | kurdistan journal of applied research |
| Year | 1987 |
| DOI |
10.1590/S0074-02761987000700015
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