Pre_GI: BLASTP Hits

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Query: NC_011528:647401:656188 Coxiella burnetii CbuK_Q154, complete genome

Start: 656188, End: 657672, Length: 1485

Host Lineage: Coxiella burnetii; Coxiella; Coxiellaceae; Legionellales; Proteobacteria; Bacteria

General Information: Coxiella burnetii K Q154 was isolated from a patient with endocarditis and contains the plasmid QpRS. This organism is widely distributed in nature and can cause infections in reptiles, birds, and mammals. It causes Q fever, or 'query' fever, an atypical pneumonia first associated with abattoir workers in Australia. Transmission may be through insect vectors such as ticks that have bitten an infected wild or domesticated animal, or through an aerosol produced by domesticated animals such as sheep or cattle. The presence of a plasmid is believed to be associated with virulence and pathogenicity, however C. burnetii isolates containing plasmid QpDG are avirulent in guinea pigs and plasmidless isolates have been associated with endocarditis in humans. Coxiella burnetii has a developmental life cycle, and can grow vegetatively through binary fission, or asymmetrically and produce a spore-like cell. The spore-like cell may enable the organism to exist extracellularly for small amounts of time. This bacterium is an obligate intracellular pathogen. It is endocytosed by a host cell, a macrophage for example, and lives and replicates inside the phagolysozome, a unique property of this organism. The genome encodes proteins that have a higher than average pI, which may enable adaptation to the acidic environment of the phagolysozome. The chromosome also contains genes for a number of detoxification and stress response proteins such as dismutases that allow growth in the oxidative environment. The type IV system is similar to the one found in Legionella, which may be important for intracellular survival. This organism produces numerous ankyrin-repeat proteins that may be involved in interactions with the host cell. The genome has 83 pseudogenes, which may be a result of the typical genome-wide degradation observed with other intracellular organisms and also has a group I intron in the 23S ribosomal RNA gene.




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SubjectStartEndLengthSubject Host DescriptionCDS descriptionE-valueBit score
NC_011527:1113217:1123882112388211253661485Coxiella burnetii CbuG_Q212, complete genomehypothetical membrane spanning protein0942
NC_002971:780502:7882977882977897811485Coxiella burnetii RSA 493, complete genomehypothetical protein0940
NC_010117:980313:9909769909769924601485Coxiella burnetii RSA 331, complete genomeputative membrane protein0939
NC_014166:2498500:2555440255544025569301491Arcobacter nitrofigilis DSM 7299 chromosome, complete genomehypothetical protein3e-29130