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Visualisation and Quantification of Intracellular Interactions of Neisseria meningitidis and Human α-actinin by Confocal Imaging
Published on: October 24, 2010
Mapping phosphoproteins in Neisseria meningitidis serogroup A
Giulia Bernardini1, Marcella Laschi, Tommaso Serchi
1Dipartimento di Biologia Molecolare, Università degli Studi di Siena, via Fiorentina, Siena, Italy.
Abstract:
To investigate the phosphorylation capability of serogroup A Neisseria meningitidis (MenA) and to implement our knowledge in meningococcal biology and in bacterial post-translational modifications, cell extracts were separated by 2-DE and 51 novel phosphoproteins were revealed by the use of the highly specific Ser/Thr/Tyr-phosphorylated proteins staining by Pro-Q Diamond and identified by MALDI-ToF/MS. Our results indicate that phosphorylation in MenA is comparable to that of other bacterial species. A first functional characterization of the identified modified proteins was also given, in order to understand their role in meningococcal physiopathology.
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