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Reproduction in worker honey bees is associated with low juvenile hormone titers and rates of biosynthesis.

Abstract：

:Three experiments were performed to determine the role of juvenile hormone (JH) in worker reproduction in queenless colonies of honey bees. In Experiment 1, egg-laying workers had low hemolymph titers of JH, as did bees engaged in brood care, while foragers had significantly higher titers. Experiment 2 confirmed these findings by demonstrating that laying workers have significantly lower rates of JH biosynthesis than foragers do. In Experiment 3, ovary development was inhibited slightly by application of the JH analog methoprene to 1-day-old bees, but was not affected by application to older bees, at least some already displaying egg-laying behavior. These results, which are consistent with earlier findings for queen honey bees, are contrary to a common model of insect reproduction, in which elevated JH titers trigger ovary development, which then leads to oviposition. Previous experiments have demonstrated that JH regulates nonreproductive behavior in workers that is associated with colony division of labor; perhaps this function is incompatible with a traditional role for JH in reproduction.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Robinson GE,Strambi C,Strambi A,Huang ZY

doi

10.1016/0016-6480(92)90055-o

keywords:

subject

Has Abstract

pub_date

1992-09-01 00:00:00

pages

471-80

issue

3

eissn

0016-6480

issn

1095-6840

journal_volume

87

pub_type

杂志文章

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