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Contrasts in Cell Type Sensitivity to Alanosine Demonstrated by Altered Patterns of Bracon hebetor Oviposition, Hatchability, and Egg Morphology

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Abstract:

When alanosine (L-2-amino-3-hydroxynitrosamine propionic acid) was fed or injected into virgin female wasps, Bracon hebetor Say, the pattern of decreased daily egg production and hatchability indicated the oocytes actively engaged in vitellogenesis to be the most vulnerable of the units making up the ovariole sequence. In contrast, radiation and alkylating agents cause a decrease in egg production and hatchability for the oocytes undergoing active mitotic divisions with no reduction in the size or shape of the eggs deposited. The deposit of undersized eggs from the 2nd-9th day and a specific deterioration of part of the oogenic sequence provided additional morphological evidence of localized cell vulnerability. However, because provisioning the wasp oocyte depends upon accessory cell function and somatic tissue metabolism, the initial action of this inhibitor of adenine synthesis may be somewhat removed from the site of the evident damage.

Document Type: Research Article

Publication date: October 1, 1974

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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