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Complete genome sequence of the Q-fever pathogen Coxiellaburnetii

Open access
Seshadri, Rekha, Paulsen, Ian T., Eisen, Jonathan A., Read, Timothy D., Nelson, Karen E., Nelson, William C., Ward, Naomi L., Tettelin, Hervé, Davidsen, Tanja M., Beanan, Maureen J., Deboy, Robert T., Daugherty, Sean C., Brinkac, Lauren M., Madupu, Ramana, Dodson, Robert J., Khouri, Hoda M., Lee, Kathy H., Carty, Heather A., Scanlan, David, Heinzen, Robert A., Thompson, Herbert A., Samuel, James E., Fraser, Claire M., Heidelberg, John F.·2003·Proceedings of the National Academy of Sciences

Abstract

The 1,995,275-bp genome of Coxiella burnetii, Nine Mile phase I RSA493, a highly virulent zoonotic pathogen and category B bioterrorism agent, was sequenced by the random shotgun method. This bacterium is an obligate intracellular acidophile that is highly adapted for life within the eukaryotic phagolysosome. Genome analysis revealed many genes with potential roles in adhesion, invasion, intracellular trafficking, host-cell modulation, and detoxification. A previously uncharacterized 13-member family of ankyrin repeat-containing proteins is implicated in the pathogenesis of this organism. Although the lifestyle and parasitic strategies of C. burnetii resemble that of Rickettsiae and Chlamydiae, their genome architectures differ considerably in terms of presence of mobile elements, extent of genome reduction, metabolic capabilities, and transporter profiles. The presence of 83 pseudogenes displays an ongoing process of gene degradation. Unlike other obligate intracellular bacteria, 32 insertion sequences are found dispersed in the chromosome, indicating some plasticity in the C. burnetii genome. These analyses suggest that the obligate intracellular lifestyle of C. burnetii may be a relatively recent innovation.

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Metadata

Authors
Seshadri, R., Paulsen, I. T., Eisen, J. A., Read, T. D., Nelson, K. E., Nelson, W. C., Ward, N. L., Tettelin, H., Davidsen, T. M., Beanan, M. J., Deboy, R. T., Daugherty, S. C., Brinkac, L. M., Madupu, R., Dodson, R. J., Khouri, H. M., Lee, K. H., Carty, H. A., Scanlan, D., Heinzen, R. A., Thompson, H. A., Samuel, J. E., Fraser, C. M., & Heidelberg, J. F.
Venue
Proceedings of the National Academy of Sciences
Published
2003-04-18
Volume
100
Issue
9
Pages
5455-5460
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2109336572
Cited by
563
References
1
FWCI
21.63
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Complete genome sequence of the Q-fever pathogen Coxiellaburnetii. https://app.cochat.ai/papers/10.1073/pnas.0931379100
The paper
Seshadri, R., Paulsen, I. T., Eisen, J. A., Read, T. D., Nelson, K. E., Nelson, W. C., Ward, N. L., Tettelin, H., Davidsen, T. M., Beanan, M. J., Deboy, R. T., Daugherty, S. C., Brinkac, L. M., Madupu, R., Dodson, R. J., Khouri, H. M., Lee, K. H., Carty, H. A., Scanlan, D., . . . Heidelberg, J. F. (2003). Complete genome sequence of the Q-fever pathogen Coxiellaburnetii. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0931379100

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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