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Acinetobacter calcoaceticus is a bacterial species of the genus Acinetobacter. It is a nonmotile, gram negative coccobacillus. It grows under aerobic conditions, is catalase positive and oxidase negative. It is part of the normal human intestinal flora. Together with A. baumannii, it is referred to as the A. calcoaceticus-A. baumannii complex, which is relatively simple to identify based on the beforementioned phenotypic characteristics. To identify other Acinetobacter species genotyping is required.

Habitat

A. calcoaceticus is a soil bacterium. It has been shown to be prevalent in the tiger mosquito Aedes albopictus microflora.^[2]

Metabolism

Phloroglucinol carboxylic acid is a degradation product excreted by A. calcoaceticus grown on (+)-catechin as the sole source of carbon.^[3]

Clinical significance

A. calcoaceticus can be pathogenic and cause an opportunistic infection in patients with multiple underlying diseases.^[4]

Uses

A. calcoaceticus can be used as an alternative to A. baumannii in the laboratory setting. The interchangeability of the two species stems from their extreme degree of similarity and ability to form the A. calcoaceticus-A. baumannii complex. Other contributing factors include the cost-effective nature of A. calcoaceticus compared to A. baumannii and the ability of A. calcoaceticus to readily uptake DNA.

References

^ 'Mechanismen der Regulation des pca-qui-Operons aus dem Bakterium Acinetobacter baylyi Stamm ADP1' Ulm 2008[1]
^ Minard, Guillaume; Florence Hélène Tran; Fara Nantenaina Raharimalala; Eléonore Hellard; Pierre Ravelonandro; Patrick Mavingui; Claire Valiente Moro (2013). "Prevalence, genomic and metabolic profiles of Acinetobacter and Asaia associated with field-caught Aedes albopictus from Madagascar". FEMS Microbiology Ecology 83 (1): 63–73. doi:10.1111/j.1574-6941.2012.01455.x. ISSN 1574-6941. Retrieved 2013-06-04.
^ M. Arunachalam, N. Mohan, R. Sugadev, P. Chellappan, A. Mahadevan (11 June 2003). "Degradation of (+)-catechin by Acinetobacter calcoaceticus MTC 127". Biochimica et Biophysica Acta (BBA) 1621 (3): 261–265. doi:10.1016/S0304-4165(03)00077-1.
^ Chen, T. -L.; Siu, L. -K.; Lee, Y. -T.; Chen, C. -P.; Huang, L. -Y.; Wu, R. C. -C.; Cho, W. -L.; Fung, C. -P. (2008). "Acinetobacter baylyi as a Pathogen for Opportunistic Infection". Journal of Clinical Microbiology 46 (9): 2938–2944. doi:10.1128/JCM.00232-08. PMC 2546726. PMID 18632910. edit

External links

Acinetobacter calcoaceticus on www.ncbi.nlm.nih.gov

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UpToDate Contents

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1. アシネトバクター感染：治療および予防 acinetobacter infection treatment and prevention
2. アシネトバクター感染：疫学、微生物学、病因、臨床的特徴、および診断 acinetobacter infection epidemiology microbiology pathogenesis clinical features and diagnosis
3. グラム陰性桿菌性髄膜炎の診断および治療 diagnosis and treatment of gram negative bacillary meningitis

English Journal

A five-gene cluster involved in utilization of taurine-nitrogen and excretion of sulfoacetaldehyde by Acinetobacter radioresistens SH164.

Krejčík Z, Schleheck D, Hollemeyer K, Cook AM.SourceDepartment of Biology, University of Konstanz, 78457, Constance, Germany.
Archives of microbiology.Arch Microbiol.2012 May 16. [Epub ahead of print]
Acinetobacter calcoaceticus SW1, under nitrogen limitation, assimilates the nitrogen moiety of taurine (2-aminoethanesulfonate) inducibly and excretes sulfoacetaldehyde, a product of taurine dehydrogenase (TauXY). BLAST searches of newly available genome sequences using the TauXY sequences revealed
PMID 22588221

Identification of genetic recombination between Acinetobacter species based on multilocus sequence analysis.

Kim DH, Park YK, Choi JY, Ko KS.SourceDepartment of Molecular Cell Biology, Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon 440-746, South Korea.
Diagnostic microbiology and infectious disease.Diagn Microbiol Infect Dis.2012 May 15. [Epub ahead of print]
During multilocus sequence analysis of Acinetobacter calcoaceticus-Acinetobacter baumannii complex, we identified the evidence of recent genetic recombination between 2 Acinetobacter species. While 3 isolates belonged to A. nosocomialis based on 16S rRNA, gyrB, fusA, gdhB, and rplB gene sequences, t
PMID 22595610

Japanese Journal

Clinical Characteristics of Tertiary Hospital Patients from Whom Acinetobacter calcoaceticus-Acinetobacter baumannii Complex Strains were Isolated

Yamada Koichi,Yanagihara Katsunori,Araki Nobuko,Harada Yosuke,Morinaga Yoshitomo,Akamatsu Norihiko,Matsuda Junichi,Izumikawa Koichi,Kakeya Hiroshi,Yamamoto Yoshihiro,Hasegawa Hiroo,Kohno Shigeru,Kamihira Shimeru
Internal Medicine 51(1), 51-57, 2012-01-01
… Objective Acinetobacter baumannii is a worldwide nosocomial pathogen that has become increasingly common over the past few decades, and strains of multidrug-resistant A. … calcoaceticus-A. …
NAID 120003725891

Intergeneric coaggregation among drinking water bacteria : evidence of a role for Acinetobacter calcoaceticus as a bridging bacterium

SIMOES LC
Appl Environ Microbiol 74, 1259-1263, 2008
NAID 80019456427

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★リンクテーブル★

リンク元	「ブドウ糖非発酵グラム陰性桿菌」「アシネトバクター・カルコアセティカス」
関連記事	「calcoaceticus」「Acinetobacter」

「ブドウ糖非発酵グラム陰性桿菌」

Acinetobacter calcoaceticus
Scientific classification
Kingdom:	Bacteria
Phylum:	Proteobacteria
Class:	Gammaproteobacteria
Order:	Pseudomonadales
Family:	Moraxellaceae
Genus:	Acinetobacter
Species:	A. calcoaceticus
Binomial name
	Acinetobacter calcoaceticus; "Micrococcus calco-aceticus" Beijerinck 1911
Synonyms
	Acinetobacter johnsonii; Neisseria winogradskyi; Moraxella calcoacetica; Micrococcus calcoaceticus, Acinetobacter baylyi