Population genomics of post-vaccine changes in pneumococcal epidemiology.
Population genomics of post-vaccine changes in pneumococcal epidemiology.
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DOI:
10.1038/ng.2625
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发表时间:
2013-06
期刊:
影响因子:
30.8
通讯作者:
Lipsitch, Marc
中科院分区:
文献类型:
--
作者:
Croucher, Nicholas J.;Finkelstein, Jonathan A.;Pelton, Stephen I.;Mitchell, Patrick K.;Lee, Grace M.;Parkhill, Julian;Bentley, Stephen D.;Hanage, William P.;Lipsitch, Marc
Whole genome sequencing of 616 asymptomatically carried pneumococci was used to study the impact of the 7-valent pneumococcal conjugate vaccine. Comparison of closely related isolates revealed the role of transformation in facilitating capsule switching to non-vaccine serotypes and the emergence of drug resistance. However, such recombination was found to occur at significantly different rates across the species, and the evolution of the population was primarily driven by changes in the frequency of distinct genotypes extant pre-vaccine. These alterations resulted in little overall effect on accessory genome composition at the population level, contrasting with the fall in pneumococcal disease rates after the vaccine’s introduction.
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DOI:
10.1073/pnas.37.3.146
发表时间:
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影响因子:
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发表时间:
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期刊:
Science (New York, N.Y.)
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