Bacillus halochares sp nov., a halophilic bacterium isolated from a solar saltern (Journal article)

Pappa, A./ Sanchez-Porro, C./ Lazoura, P./ Kallimanis, A./ Perisynakis, A./ Ventosa, A./ Drainas, C./ Koukkou, A. I.

A novel halophilic bacterium, designated strain MSS4(T), was isolated from the solar salterns of Mesolongi, Greece. The micro-organism, a motile, Gram-stain-positive, aerobic rod, proliferated at salinities of 1.0-4.0 M NaCl, with optimal growth at 2.5 M NaCl. Endospores were not observed. Strain MSS4(T) showed optimal growth at 37 degrees C and pH 8.0. The G+C content of its DNA was 47.2 mol%. The polar lipid pattern of strain MSS4(T) consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidic acid and phosphatidylethanolamine. It possessed anteiso-C(15:0), C(18:0), C(16:0) and anteiso-C(17:0) as the major fatty acids (altogether representing 84.7% of the total). The predominant isoprenoid quinone was MK-7. The cell-wall peptidoglycan contained meso-diaminopimelic acid. 16S rRNA gene sequence analysis showed that the new isolate has 96.1% similarity to Bacillus qingdaonensis CM1(T) and Bacillus aidingensis 17-5(T), 95.5% to Bacillus salarius BH169(T) and lower similarity to other Bacillus species. These results justify the assignment of strain MSS4(T) to a novel species within the genus Bacillus, for which the name Bacillus halochares sp. nov. is proposed. The type strain is MSS4(T) (=LMG 24571(T) =DSM 21373(T)).
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
Keywords: crystallizer ponds,comb. nov,gen. nov.,diversity,china,identification,environment,sequences,proposal,member
ISSN: 1466-5026
Link: <Go to ISI>://000279369100031
Publisher: Society for General Microbiology
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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