The Family of Major Royal Jelly Proteins and Its Evolution |
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| Authors: | Stefan Albert Debashish Bhattacharya Jaroslav Klaudiny Jana Schmitzová Jozef Simúth |
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| Affiliation: | (1) Laboratory of Genetic Engineering, Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, SK-842 38 Bratislava, Slovakia, CS;(2) University of Iowa, Department of Biological Sciences, 239 Biology Building, Iowa City, IA 52242-1324, USA, US |
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| Abstract: | A cDNA encoding a new member of the gene family of major royal jelly proteins (MRJPs) from the honeybee, Apis mellifera, was isolated and sequenced. Royal jelly (RJ) is a secretion of the cephalic glands of nurse bees. The origin and biological function of the protein component (12.5%, w/w) of RJ is unknown. We show that the MRJP gene family encodes a group of closely related proteins that share a common evolutionary origin with the yellow protein of Drosophila melanogaster. Yellow protein functions in cuticle pigmentation in D. melanogaster. The MRJPs appear to have evolved a novel nutritional function in the honeybee. Received: 26 September 1998 / Accepted: 28 February 1999 |
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| Keywords: | :Apis mellifera— Gene duplication — Nitrogen content — Royal jelly — Nutrition |
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