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| Content Provider | PubMed Central |
|---|---|
| Author | Munson, Robert S. Harrison, Alistair Gillaspy, Allison Ray, William C. Carson, Matt Armbruster, David Gipson, Jenny Gipson, Mandy Johnson, Linda Lewis, Lisa Dyer, David W. Bakaletz, Lauren O. |
| Copyright Year | 2004 |
| Abstract | In 1995, The Institute for Genomic Research completed the genomic sequence of a rough derivative of Haemophilus influenzae serotype d, strain KW20. This sequence, though extremely useful in understanding the basic biology of H. influenzae, has yet to provide significant insight into our understanding of disease caused by nontypeable H. influenzae (NTHI), because serotype d strains are not generally pathogens. In contrast, NTHI strains are frequently mucosal pathogens and are the primary pathogens of chronic otitis media as well as a significant cause of acute otitis media in children. Thus, it is of great importance to further understand their biology. We used a DNA-based microarray approach to identify genes present in a clinical isolate of NTHI that were absent from strain Rd. We also sequenced the genome of a second NTHI isolate from a child with chronic otitis media to threefold coverage and then used an array of bioinformatics tools to identify genes present in this NTHI strain but absent from strain Rd. These methods were complementary in approach and results. We identified, in both strains, homologues of H. influenzae lav, an autotransported protein of unknown function; tnaA, which encodes tryptophanase; as well as a homologue of Pasteurella multocida tsaA, which encodes an alkyl peroxidase that may play a role in protection against reactive oxygen species. We also identified a number of putative restriction-modification systems, bacteriophage genes and transposon-related genes. These data provide new insight that complements and extends our ongoing analysis of NTHI virulence determinants. |
| Related Links | http://dx.doi.org/10.1128/iai.72.5.3002-3010.2004 |
| Ending Page | 3010 |
| Page Count | 9 |
| Starting Page | 3002 |
| File Format | |
| ISSN | 00199567 |
| e-ISSN | 10985522 |
| Journal | Infection and Immunity |
| Issue Number | 5 |
| Volume Number | 72 |
| Language | English |
| Publisher | American Society for Microbiology |
| Publisher Date | 2004-05-01 |
| Access Restriction | Open |
| Rights Holder | American Society for Microbiology |
| Subject Keyword | Immunology Microbiology Parasitology Infectious Diseases Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Parasitology Immunology Microbiology |
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