Development of Algorithm for Identification of Brucellosis Agent Cultures Using MALDI-TOF Mass-Spectrometry

Autor: D. V. Ul’Shina, D. A. Kovalev, O. V. Bobrysheva, G. I. Lyamkin, A. A. Khudoleev, Yu. V. Siritsa, A. N. Kulichenko
Jazyk: ruština
Rok vydání: 2015
Předmět:
Zdroj: Проблемы особо опасных инфекций, Vol 0, Iss 4, Pp 96-99 (2015)
Druh dokumentu: article
ISSN: 0370-1069
2658-719X
DOI: 10.21055/0370-1069-2015-4-96-99
Popis: Given are the results of direct protein profiling of brucella strain collection using matrix laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS). Standardized is the method for brucellosis agent culture disinfection and subsequent assessment. Obtained are 59 representative protein profiles of six major species ( B. melitensis, B. abortus, B. canis, B. ovis, B. neotomae ), which are included into electronic database of mass-spectra, integrated in Biotyper v 3.0 software (Bruker Daltonics, Germany). Analysis of mass-spectra of brucella strains under investigation revealed 17 genus-specific fragments within the mass range of 2000-20000 Da, the combination of which can be used for Brucella spp . identification. In addition, described are the fragments, specific for certain brucella species and strains, promising as markers for intraspecific differentiation. Based on the data received developed is a standardized algorithm of identification and differentiation of brucellosis agent cultures applying MALDI-TOF mass spectrometry.
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