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Overview

StatusReference proteome
Proteinsi1,812
Gene counti - Download one protein sequence per gene (FASTA)
Proteome IDiUP000002671
Taxonomy227377 - Coxiella burnetii (strain RSA 493 / Nine Mile phase I)
StrainRSA 493 / Nine Mile phase I
Last modifiedFebruary 27, 2018
Genome assembly and annotationi GCA_000007765.2 from ENA/EMBL
Pan proteomei This proteome is part of the Coxiella burnetii (strain RSA 493 / Nine Mile phase I) pan proteome (fasta)

Coxiella burnetii is an obligate intracellular, Gram-negative bacterium that replicates within the phagolysosome of the eukaryotic phagocyte. It is the etiological agent of Q (Query) fever. It is highly infective to both humans and livestock, growing to high titer in livestock placental tissues. Thus natural infection mostly results from exposure to dust or aerosol from ruminant birth fluids. In humans, the disease manifests as an acute flu-like illness. The bacteria are found as 2 particles, both of which are infectious. The small cell variants (SCV), are responsible for the ability to survive extreme environmental conditions of desiccation, heat, sonication, and pressure. In the host, the infecting SCV develop into large cell variants (LCV) that are metabolically active. The SCV and LCV are antigenically different, but do not correspond to stationary and log-phase growth stages as has been hypothesized. Transition between SCV and LCV is accompanied by changes in the expression of surface proteins and does not involve changes in lipopolysaccharide (LPS) structure. Infectious particles have been referred to as "endospore-like", but this nomenclature is misleading because they are not structurally similar to Bacillus spores. C.burnetii (SCV form) is able to survive outside the host in soil for extended periods of time. It shows high-level resistance to UV radiation, heat, dessication, pressure and osmotic and oxidative stress. It has already been weaponized and mass-produced under various biological warfare programs (adapted in part from PubMed: 17825460).

Componentsi

Component nameGenome Accession(s)
Proteins
Chromosome1778
Plasmid pQpH134
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Main funding by: National Institutes of Health

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