Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Amoozegar, MA; Sánchez-Porro, C; Rohban, R; Hajighasemi, M; Ventosa, A.
Piscibacillus halophilus sp. nov., a moderately halophilic bacterium from a hypersaline Iranian lake.
Int J Syst Evol Microbiol. 2009; 59(Pt 12): 3095-3099.
Doi: 10.1099/ijs.0.012013-0
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- Co-Autor*innen der Med Uni Graz
- Rohban Rokhsareh
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- Abstract:
- A Gram-positive, moderately halophilic bacterium, designated strain HS224(T), was isolated from the hypersaline lake Howz-Soltan in Iran. Cells of strain HS224(T) were rod-shaped, motile and produced oval endospores. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HS224(T) was affiliated to the genus Piscibacillus, exhibiting 98.5 % sequence similarity to the type strain of Piscibacillus salipiscarius. Strain HS224(T) was also related closely to the type strains of Aquisalibacillus elongatus (98.0 % 16S rRNA gene sequence similarity), Filobacillus milosensis (97.9 %) and Tenuibacillus multivorans (97.0 %). Strain HS224(T) was able to grow at NaCl concentrations of 1-20 % (w/v), with optimum growth occurring at 10 % (w/v) NaCl. The optimum temperature and pH for growth were 35 degrees C and pH 7.5. Major polar lipids were phosphatidylglycerol and diphosphatidylglycerol, the isoprenoid quinone was MK-7 and the peptidoglycan type was A1gamma, with meso-diaminopimelic acid as the diagnostic diamino acid; these characteristics were shared with P. salipiscarius. The major cellular fatty acids of strain HS224(T) were anteiso-C(15 : 0), iso-C(15 : 0), anteiso-C(17 : 0) and iso-C(16 : 0). The G+C content of the DNA was 37.5 mol%. The level of DNA-DNA relatedness between strain HS224(T) and P. salipiscarius JCM 13188(T) was 30.8 %. It is evident from the genotypic, chemotaxonomic and phenotypic data presented that strain HS224(T) represents a novel species of the genus Piscibacillus, for which the name Piscibacillus halophilus sp. nov. is proposed. The type strain is HS224(T) (=CCM 7596(T)=DSM 21633(T)=JCM 15721(T)=LMG 24786(T)).
- Find related publications in this database (using NLM MeSH Indexing)
- Bacillaceae - classification
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- Bacillaceae - metabolism
- DNA, Bacterial - genetics
- DNA, Ribosomal - genetics
- Fatty Acids - chemistry
- Fatty Acids - metabolism
- Fresh Water - microbiology
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- Molecular Sequence Data -
- Phylogeny -
- RNA, Ribosomal, 16S - genetics
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