Phylogenetic Lineages of Invasive and Colonizing Strains of Serotype III Group B Streptococci from Neonates: a Multicenter Prospective Study-Reference-Cited by-同舟云学术

Phylogenetic Lineages of Invasive and Colonizing Strains of Serotype III Group B Streptococci from Neonates: a Multicenter Prospective Study

Published:2006-04 Issue:4 Volume:44 Page:1257-1261
ISSN:0095-1137
Container-title:Journal of Clinical Microbiology
language:en
Short-container-title:J Clin Microbiol

Author:

Lin Feng-Ying C.¹,Whiting April²,Adderson Elisabeth³,Takahashi Shinji⁴,Dunn Diane Marie⁵,Weiss Robert⁵,Azimi Parvin H.⁶,Philips Joseph B.¹⁷,Weisman Leonard E.⁸,Regan Joan⁹,Clark Penny¹⁰,Rhoads George G.¹¹,Frasch Carl E.¹²,Troendle James¹,Moyer Patricia¹,Bohnsack John F.²

Affiliation:

1. National Institute of Child Health and Human Development, National Institutes of Health

2. Department of Pediatrics

3. Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee

4. Division of Microbiology, Joshi-Eiyoh University, Saitama, Japan

5. Genome Center, University of Utah Health Sciences Center, Salt Lake City, Utah

6. Children's Hospital Medical Center of Northern California, Oakland, California

7. University of Alabama at Birmingham, Birmingham, Alabama

8. Baylor College of Medicine, Houston, Texas

9. Columbia University Health Sciences, New York, New York

10. University of Florida, Gainesville, Florida

11. University of Dentistry and Medicine of New Jersey, Piscataway, New Jersey

12. Center for Biologics Research and Review, Food and Drug Administration, Department of Health and Human Services, Bethesda, Maryland

Abstract

ABSTRACT This study compares the phylogenetic lineages of invasive serotype III group B streptococci (GBS) to those of colonizing strains in order to determine lineages associated with invasive disease. Isolates from 29 infants with early-onset disease (EOD) and from 196 colonized infants, collected in a prospective, multicenter study, were assigned a sequence type (ST) by multilocus sequence typing. Overall, 54.5% of the isolates were in the ST-19 complex, and 40.4% were in the ST-17 complex. Invasive strains were more likely to be in the ST-17 complex than were colonizing strains (59% versus 38%, P = 0.03). After we adjusted for potential confounders, the ST-17 complex was more likely to be associated with EOD than were other lineages (odds ratio = 2.51, 95% confidence interval = 1.02 to 6.20). These data support the hypothesis that ST-17 complex GBS are more virulent than other serotype III GBS.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Link

https://journals.asm.org/doi/pdf/10.1128/JCM.44.4.1257-1261.2006

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