Regulation of juvenile hormone titer in African locust
β Scribed by F. Couillaud; B. Mauchamp; A. Girardie
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 357 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1420-682X
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In Locusta rnigratoria, vitellogenin (Vg) is normally produced only in adult female fat body under stimulation by juvenile hormone (JH). This permits study of a) programming of genes for expression and b) modulation of expression by JH. From L. rnigratoria genomic libraries, two Vg genes (A and B) h
When an active JH analog (methoprene or pyriproxyfen) is administered to JHdeprived (precocene-treated) adult female locusts, there is a delay of about 24 h before vitellogenin (Vg), the product of a JH-dependent gene, is found i n the hemolymph. If a dose of JH Ill or methoprene, itself too low to