Haloarcula

ハロアーキュラ、ロアーキュラ属、Haloarcula属

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/06/10 19:05:40」(JST)

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Haloarcula
Scientific classification
Domain:	Archaea
Kingdom:	Euryarchaeota
Phylum:	Euryarchaeota
Class:	Halobacteria
Order:	Halobacteriales
Family:	Halobacteriaceae
Genus:	Haloarcula
Binomial name
Haloarcula Torreblanca et al. 1986
Species
H. amylolytica H. argentinensis H. hispanica H. japonica H. marismortui H. quadrata H. vallismortis

In taxonomy, Haloarcula is a genus of the Halobacteriaceae.

Description and significance

Haloarcula are extreme halophilic archaeons. They are distinguished from other genera in the Halobacteriaceae family by the presence of specific derivatives of TGD-2 polar lipids. There are currently seven recognized species in the genus: H. vallismortis, H. marismortui, H. hispanica, H. japonica, H. argentinensis, H. mukohataei, and H. quadrata. H. quadrata was first isolated when researchers were attempting to culture Haloquadratum walsbyi, a haloarchaeon that was thought to be unculturable until 2004.

Haloarchula grow optimally at 40–45 °C. Growth appears in sheets of 65 cells often in the shape of a square or triangle.

Ecology

Haloarcula are found in neutral saline environments like salt lakes, marine salterns, and saline soils. Like other members of the Halobacteriaceae family, Haloarcula require at least 1.5 M NaCl for growth, but grow optimally in 2.0 to 4.5 M NaCl.

References

Further reading

Scientific journals

• Oren A, Ventosa A (2000). "International Committee on Systematic Bacteriology Subcommittee on the taxonomy of Halobacteriaceae. Minutes of the meetings, 16 August 1999, Sydney, Australia". Int. J. Syst. Evol. Microbiol. 50: 1405–1407. PMID 10843089. 

• Torreblanca M, Rodriquez-Valera F, Juez G, Ventosa A, Kamekura M, Kates M (1986). "Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov. and Haloferax gen.nov". Syst. Appl. Microbiol. 8: 89–99. 

• Javor B, Requadt C, Stoeckenius W (1982). "Box-shaped halophilic bacteria". J. Bacteriol. 151 (3): 1532–1542. PMC 220435. PMID 6286602. 

Scientific books

Scientific databases

• PubMed references for Haloarcula
• PubMed Central references for Haloarcula
• Google Scholar references for Haloarcula

External links

• NCBI taxonomy page for Haloarcula
• Search Tree of Life taxonomy pages for Haloarcula
• Search Species2000 page for Haloarcula
• MicrobeWiki page for Haloarcula
• LSPN page for Haloarcula

English Journal

• Noninvasive optical inhibition with a red-shifted microbial rhodopsin.

• Chuong AS1, Miri ML2, Busskamp V3, Matthews GA4, Acker LC5, Sørensen AT6, Young A6, Klapoetke NC1, Henninger MA1, Kodandaramaiah SB7, Ogawa M1, Ramanlal SB8, Bandler RC9, Allen BD9, Forest CR10, Chow BY11, Han X8, Lin Y6, Tye KM12, Roska B13, Cardin JA14, Boyden ES1.
• Nature neuroscience.Nat Neurosci.2014 Aug;17(8):1123-9. doi: 10.1038/nn.3752. Epub 2014 Jul 6.
• Optogenetic inhibition of the electrical activity of neurons enables the causal assessment of their contributions to brain functions. Red light penetrates deeper into tissue than other visible wavelengths. We present a red-shifted cruxhalorhodopsin, Jaws, derived from Haloarcula (Halobacterium) sali
• PMID 24997763

• New insight in the structural features of haloadaptation in α-amylases from halophilic Archaea following homology modeling strategy: folded and stable conformation maintained through low hydrophobicity and highly negative charged surface.

• Zorgani MA1, Patron K, Desvaux M.
• Journal of computer-aided molecular design.J Comput Aided Mol Des.2014 Jul;28(7):721-34. doi: 10.1007/s10822-014-9754-y. Epub 2014 May 28.
• Proteins from halophilic archaea, which live in extreme saline conditions, have evolved to remain folded, active and stable at very high ionic strengths. Understanding the mechanism of haloadaptation is the first step toward engineering of halostable biomolecules. Amylases are one of the main enzyme
• PMID 24865847

• Photochemistry of a Dual-Bacteriorhodopsin System in Haloarcula marismortui: HmbRI and HmbRII.

• Tsai FK1, Fu HY, Yang CS, Chu LK.
• The journal of physical chemistry. B.J Phys Chem B.2014 Jun 18. [Epub ahead of print]
• Recently, a dual-bacteriorhodopsin system, containing HmbRI and HmbRII, has been found in Haloarcula marismortui (Mol. Microbiol. 2013, 88, 551-561), and the light-driven proton pump activities were intrinsically different in a wide pH range. Compared with bacteriorhodopsin in H. salinarum (HsbR), t
• PMID 24941450

Japanese Journal

• 好塩性古細菌Haloarculaの生き様 : 激しい温度変化への適応(リサーチ最前線)

• 佐藤 悠
• 日本微生物生態学会誌 29(1), 12-14, 2014-03-01
• NAID 110009806992

• リサーチ最前線 好塩性古細菌Haloarculaの生き様 : 激しい温度変化への適応

• 佐藤 悠
• 日本微生物生態学会誌 29(1), 12-14, 2014-03
• NAID 40020048874

• Gene expression and characterization of aerotaxis transducer HemAT from extremely halophilic archaeon Haloarcula japonica TR-1

• Tadikara T,Matsubara T,Kubota Y [他]
• 極限環境生物学会誌 = Journal of Japanese Society for Extremophiles 12(1), 29-32, 2013-08
• NAID 40019822158

Related Links

• Haloarcula - Wikipedia, the free encyclopedia

In taxonomy, Haloarcula is a genus of the Halobacteriaceae. Contents. 1 Description and Significance; 2 Ecology; 3 References; 4 Further reading. 4.1 Scientific journals; 4.2 Scientific books; 4.3 Scientific databases. 5 External links ...

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