Abstract:
:By the strategy "reverse vaccinology" a number of new antigens have been identified in Neisseria meningitidis, which are potential candidates for a highly needed broad-spectrum meningococcal vaccine. In the present study we examined the prevalence, sequence constancies and variations of the genes encoding three of these new antigens designated, genome-derived neisserial antigen (GNA) 1870, GNA1946 and GNA2132. All three genes were present in all N. meningitidis isolates tested. Concerning gna1870, three major variants of the gene sequences and deduced amino acid sequences were identified and 56% of the deduced amino acids were conserved in all isolates. In gna1946, 98% of the deduced amino acids were conserved and in gna2132, 54% of the deduced amino acids were conserved. Based on gene prevalence and conservation, all three antigens are promising candidates for an effective meningococcal vaccine against all N. meningitidis irrespective of serogroup.
journal_name
Vaccinejournal_title
Vaccineauthors
Jacobsson S,Thulin S,Mölling P,Unemo M,Comanducci M,Rappuoli R,Olcén Pdoi
10.1016/j.vaccine.2005.11.006subject
Has Abstractpub_date
2006-03-15 00:00:00pages
2161-8issue
12eissn
0264-410Xissn
1873-2518pii
S0264-410X(05)01133-3journal_volume
24pub_type
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