A family of major royal jelly proteins of the honeybee Apis mellifera L.
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The characterization of major proteins of honeybee larval jelly (49 – 87 kDa) was performed by the sequencing of new complementary DNAs (cDNAs) obtained from a honeybee head cDNA library, by the determination of N-terminal sequences of the proteins, and by analyses of the newly obtained and known sequence data concerning the proteins. It was found that royal jelly (RJ) and worker jelly (WJ) contain identical major proteins and that all the proteins belong to one protein family designated MRJP (from major royal jelly proteins). The family consists of five main members (MRJP1, MRJP2, MRJP3, MRJP4, MRJP5). The proteins MRJP3 and MRJP5 are polymorphic. MRJPs account for 82 to 90% of total larval jelly protein, and they contain a relatively high amount of essential amino acids. These findings support the idea that MRJPs play an important role in honeybee nutrition.
- A family of major royal jelly proteins of the honeybee Apis mellifera L.
Cellular and Molecular Life Sciences CMLS
Volume 54, Issue 9 , pp 1020-1030
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- Birkhäuser Verlag
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- Key words. Honeybee; royal jelly; proteins; protein family; gene family; repetitive region; cDNA; nutrition.
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- Author Affiliations
- A1. Laboratory of Genetic Engineering, Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, SK-842 38 Bratislava (Slovakia), Fax +421 7 375 565, e-mail: firstname.lastname@example.org, SK
- A2. Freie Universität Berlin, Institut für Biochemie, Thielallee 63, D-14195 Berlin (Germany), DE
- A3. Calgene Inc., Davis (California 95616, USA), US