TITLE

Proteome analysis of Apis mellifera royal jelly

AUTHOR(S)
Schönleben, Simone; Sickmann, Albert; Mueller, Martin J.; Reinders, Joerg
PUB. DATE
October 2007
SOURCE
Analytical & Bioanalytical Chemistry;Oct2007, Vol. 389 Issue 4, p1087
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Royal jelly plays a pivotal role in the development of honey bee larvae. However, while various health promoting properties of royal jelly have been reported, most of the active substances within royal jelly that lead to these properties are still unknown. Since up to 50% (dry mass) of royal jelly is protein, royal jelly proteome analysis is a promising starting point for attempts to identify the proteins that provide health-promoting effects. However, the comprehensive analysis of royal jelly proteins is hampered by the enormous abundance of some proteins in the major royal jelly protein family, which constitutes 80–90% of the royal jelly proteome. The high heterogeneity of these proteins is an additional challenge for proteomic analysis, since it necessitates the use of analytical techniques that provide high resolution and a wide dynamic range. The application of individual methods such as 2D-PAGE or multidimensional chromatography can only yield certain subpopulations of a proteome due to the specific bias of each method. We applied different methods for the prefractionation and separation of royal jelly proteins in order to circumvent the shortcomings of the individual techniques and achieve a high coverage of the royal jelly proteome. In this way, we were able to identify 20 different proteins in total, as well as to show a very high degree of cleavage of different proteins of the major royal jelly protein family. Furthermore, we investigated the protein phosphorylation of royal jelly proteins, and identified and located two phosphorylation sites within venom protein 2.
ACCESSION #
26748318

 

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