Larval juvenile hormone treatment affects pre-adult development, but not adult age at onset of foraging in worker honey bees (Apis mellifera)

2003 ◽  
Vol 49 (4) ◽  
pp. 359-366 ◽  
Author(s):  
Michelle M Elekonich ◽  
Katarzyna Jez ◽  
Allan J Ross ◽  
Gene E Robinson
Keyword(s):  
Apis Mellifera ◽  
Juvenile Hormone ◽  
Adult Development ◽  
Honey Bees ◽  
Age At Onset ◽  
Hormone Treatment ◽  
Adult Age

scholarly journals Transcriptional Control of Honey Bee (Apis mellifera) Major Royal Jelly Proteins by 20-Hydroxyecdysone

Insects ◽  
2018 ◽  
Vol 9 (3) ◽  
pp. 122 ◽  
Author(s):  
Paul Winkler ◽  
Frank Sieg ◽  
Anja Buttstedt
Keyword(s):  
Gene Expression ◽  
Apis Mellifera ◽  
Juvenile Hormone ◽  
Honey Bee ◽  
Honey Bees ◽  
Transcriptional Control ◽  
Royal Jelly ◽  
Adult Worker ◽  
Gene Expression Dynamics

One of the first tasks of worker honey bees (Apis mellifera) during their lifetime is to feed the larval offspring. In brief, young workers (nurse bees) secrete a special food jelly that contains a large amount of unique major royal jelly proteins (MRJPs). The regulation of mrjp gene expression is not well understood, but the large upregulation in well-fed nurse bees suggests a tight repression until, or a massive induction upon, hatching of the adult worker bees. The lipoprotein vitellogenin, the synthesis of which is regulated by the two systemic hormones 20-hydroxyecdysone and juvenile hormone, is thought to be a precursor for the production of MRJPs. Thus, the regulation of mrjp expression by the said systemic hormones is likely. This study focusses on the role of 20-hydroxyecdysone by elucidating its effect on mrjp gene expression dynamics. Specifically, we tested whether 20-hydroxyecdysone displayed differential effects on various mrjps. We found that the expression of the mrjps (mrjp1–3) that were finally secreted in large amounts into the food jelly, in particular, were down regulated by 20-hydroxyecdysone treatment, with mrjp3 showing the highest repression value.

Comparison of juvenile hormone and ecdysteroid haemolymph titres in adult worker and queen honey bees (Apis mellifera)

1991 ◽  
Vol 37 (12) ◽  
pp. 929-935 ◽  
Author(s):  
Gene E. Robinson ◽  
Colette Strambi ◽  
Alain Strambi ◽  
Mark F. Feldlaufer
Keyword(s):  
Apis Mellifera ◽  
Juvenile Hormone ◽  
Honey Bees ◽  
Adult Worker

Developmental stability, age at onset of foraging and longevity of Africanized honey bees (Apis mellifera L.) under heat stress (Hymenoptera: Apidae)

2018 ◽  
Vol 74 ◽  
pp. 214-225 ◽  
Author(s):  
Rubén G. Medina ◽  
Robert J. Paxton ◽  
Efraín De Luna ◽  
Fernando A. Fleites-Ayil ◽  
Luis A. Medina Medina ◽  
...  
Keyword(s):  
Heat Stress ◽  
Apis Mellifera ◽  
Honey Bees ◽  
Age At Onset ◽  
Developmental Stability ◽  
Africanized Honey Bees
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