Sediminibacillus halophilus gen. nov., sp. nov., a moderately halophilic, Gram-positive bacterium from a hypersaline lake

Carrasco, I. J.; Márquez, M. Carmen; Xue, Yanfen; Ma, Yanhe; Cowan, Don A.; Jones, Brian E.; Grant, William D.; Ventosa, António

doi:10.1099/ijs.0.65790-0

Cited by 49 publications

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“…Phytochem Rev (2011) 10:353-370 Quinones are found in a wide variety of plant families such as Ranunculaceae (Salem 2005), Aphodelaceae (Bringmann et al 2008), Fabaceae (Bakasso et al 2008), Ebenaceae (McGaw et al 2008), and Rhamnaceae (Wei et al 2008b). They are also present in fungi, bacteria (Carrasco et al 2008;Kim et al 2008;Thomson 1991;Wei et al 2008a;Wijeratne et al 2008) and in small amounts in animals, specifically in echinoderms (Singh et al 1967;Thomson 1991). Nevertheless, toxic quinones such as anthraquinone (4) and 1-hydroxyanthraquinones (6) can be formed in the environment by sunlight photo-oxidation of environmental contaminants such as the polycyclic aromatic hydrocarbons (PAHs) (Mallakin et al 1999;Mallakin et al 2000).…”

Section: Introductionmentioning

confidence: 99%

The chemical and biological activities of quinones: overview and implications in analytical detection

et al. 2011

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Quinones are a class of natural and synthetic compounds that have several beneficial effects. Quinones are electron carriers playing a role in photosynthesis. As vitamins, they represent a class of molecules preventing and treating several illnesses such as osteoporosis and cardiovascular diseases. Quinones, by their antioxidant activity, improve general health conditions. Many of the drugs clinically approved or still in clinical trials against cancer are quinone related compounds. Quinones have also toxicological effects through their presence as photoproducts from air pollutants. Quinones are fast redox cycling molecules and have the potential to bind to thiol, amine and hydroxyl groups. The aforementioned properties make the analytical detection of quinones problematic. However, recent advances of the available analytical techniques along with the possibility of using labeled compound facilitate their detection hence allowing a better understanding of their action. This review summarizes the current knowledge with respect to the oxido-reductive and electrophilic properties of quinones as well as to the analytical tools used for their analysis. It includes a general introduction about the physiological, and therapeutical functions of quinones. A number of studies are reported to cover the chemical reactivity in an attempt to understand quinones as biologically active compounds. Data ranging from normal analytical methods to study quinones derived from plant or biological matrices to the use of labeled compounds are presented. The examples illustrate how chemical, biological and analytical knowledge can be integrated to have a better understanding of the mode of action of the quinones.

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Section: Introductionmentioning

confidence: 99%

The chemical and biological activities of quinones: overview and implications in analytical detection

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“…The description of the genus Sediminibacillus is as given by Carrasco et al (2008) with the following amendments. Endospores may be formed terminally in swollen sporangia or not be observed.…”

Section: Emended Description Of the Genus Sediminibacillus Carrasco Ementioning

confidence: 99%

“…The genus Sediminibacillus, which belongs to this moderately halophilic group of bacteria, was first proposed by Carrasco et al (2008) to accommodate moderately halophilic, facultatively anaerobic, Gram-positive, rod-shaped bacteria related phylogenetically to members of the genera Thalassobacillus and Halobacillus within the family Bacillaceae. The genus Sediminibacillus comprises the single species Sediminibacillus halophilus, the type strain of which was isolated from sediment of Lake Erliannor in Inner Mongolia, China.…”

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Sediminibacillus albus sp. nov., a moderately halophilic, Gram-positive bacterium isolated from a hypersaline lake, and emended description of the genus Sediminibacillus Carrasco et al. 2008

Wang

Xue

2009

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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Sediminibacillus albus sp. nov., a moderately halophilic, Gram-positive bacterium isolated from a hypersaline lake, and emended description of the genus Sediminibacillus Carrasco et al. A moderately halophilic, Gram-positive-staining, endospore-forming, rod-shaped and strictly aerobic bacterium, designated strain NHBX5 T , was isolated from Lake Nanhuobuxun in China. Strain NHBX5 T was able to grow at NaCl concentrations of 0-22 % (w/v) (optimally at 7 %, w/v), at pH 6.0-9.0 (optimally at pH 7.5) and at temperatures of 10-45 6C (optimally at 37 6C). The cell-wall peptidoglycan of strain NHBX5 T contained meso-diaminopimelic acid as the diagnostic diamino acid. The predominant isoprenoid quinone was MK-7. The major cellular fatty acids were anteiso-C 15 : 0 and anteiso-C 17 : 0 . The polar lipids were phosphatidylglycerol, diphosphatidylglycerol and a glycolipid. The genomic DNA G+C content of strain NHBX5 T was 44.9 mol%. Phylogenetic analysis based on 16S rRNA gene sequence comparisons revealed that strain NHBX5 T was most closely related to Sediminibacillus halophilus EN8d T (98.6 % gene sequence similarity). The level of DNA-DNA relatedness between strain NHBX5 T and S. halophilus CGMCC 1.6199 T was 34.6 %. Based on the data presented, strain NHBX5 T represents a novel species of the genus Sediminibacillus, for which the name Sediminibacillus albus sp. nov. is proposed. The type strain is NHBX5 T (5DSM 19340 T 5CGMCC 1.6502 T ). In addition, an emended description of the genus Sediminibacillus is presented.Moderately halophilic bacteria that can grow optimally in media containing salt concentrations of 3-15 % (w/v) make up an extremely heterogeneous group of microorganisms that are distributed widely in diverse saline habitats such as salt lakes, brines, saline soils, soda lakes, salted foods and some other hypersaline environments (Kushner, 1985;Ventosa et al., 1998). The genus Sediminibacillus, which belongs to this moderately halophilic group of bacteria, was first proposed by Carrasco et al. (2008) to accommodate moderately halophilic, facultatively anaerobic, Gram-positive, rod-shaped bacteria related phylogenetically to members of the genera Thalassobacillus and Halobacillus within the family Bacillaceae. The genus Sediminibacillus comprises the single species Sediminibacillus halophilus, the type strain of which was isolated from sediment of Lake Erliannor in Inner Mongolia, China. During the course of an investigation of the diversity of halophilic micro-organisms in Nanhuobuxun salt lake (36 u 439 14.70 N 95 u 429 410 E), a spore-forming, Gram-positive, moderately halophilic strain (NHBX5 T ) was isolated that appeared to represent a novel species of the genus Sediminibacillus. In this study, the phenotypic, chemotaxonomic and genotypic characteristics of this moderately halophilic strain are presented. Nanhuobuxun salt lake is located at 2700 m above sea level in the south-east Bieletan region of Qaidam basin of Qinghai province, China. It is a very typical chloride saline lake, with a high salinity...

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“…2). Strain X4B T shared the occurrence of the peptidoglycan type A1c based on meso-diaminopimelic acid with members of the genera Paraliobacillus and Sediminibacillus as well as several other genera of the Bacillaceae (Carrasco et al, 2008;Chen et al, 2009;Ishikawa et al, 2002;Wang et al, 2009). The major isoprenoid quinone of strain X4B T was MK-7 (89 %), although MK-6 was also present (11 %).…”

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Saliterribacillus persicus gen. nov., sp. nov., a moderately halophilic bacterium isolated from a hypersaline lake

Amoozegar

Bagheri

Didari

et al. 2013

International Journal of Systematic and Evolutionary Microbiology

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Saliterribacillus persicus gen. nov., sp. nov., a moderately halophilic bacterium isolated from a hypersaline lake , was isolated from soil around the hypersaline lake Aran-Bidgol in Iran and characterized taxonomically using a polyphasic approach. Cells of strain X4BT were motile rods and formed ellipsoidal endospores at a terminal or subterminal position in swollen sporangia. Strain X4B T was a strictly aerobic bacterium, catalase-and oxidase-positive. The strain was able to grow at NaCl concentrations of 0.5-22.5 % (w/v), with optimum growth occurring at 7.5 % (w/v) NaCl. The optimum temperature and pH for growth were 35 6C and pH 7.0. Analysis of 16S rRNA gene sequence revealed that strain X4B T is a member of the family Bacillaceae, constituting a novel phyletic lineage within this family. Highest sequence similarities were obtained with the 16S rRNA gene sequences of the type strains of Sediminibacillus albus (96.0 %), Paraliobacillus ryukyuensis (95.9 %), Paraliobacillus quinghaiensis (95.8 %) and Sediminibacillus halophilus (95.7 %), respectively. The DNA G+C content of this novel isolate was 35.2 mol%. The major cellular fatty acids of strain X4B T were anteiso-C 15 : 0 and anteiso-C 17 : 0 and its polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol, two aminolipids, an aminophospholipid and an unknown phospholipid. The isoprenoid quinones were MK-7 (89 %) and MK-6 (11 %). The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. On the basis of 16S rRNA gene sequence analysis in combination with chemotaxonomic and phenotypic data, strain X4B T represents a novel species in a new genus in the family Bacillaceae, order Bacillales for which the name Saliterribacillus persicus gen. nov., sp. nov. is proposed. The type strain of the type species (Saliterribacillus persicus) is X4B

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Sediminibacillus halophilus gen. nov., sp. nov., a moderately halophilic, Gram-positive bacterium from a hypersaline lake

Cited by 49 publications

References 42 publications

The chemical and biological activities of quinones: overview and implications in analytical detection

The chemical and biological activities of quinones: overview and implications in analytical detection

Sediminibacillus albus sp. nov., a moderately halophilic, Gram-positive bacterium isolated from a hypersaline lake, and emended description of the genus Sediminibacillus Carrasco et al. 2008

Saliterribacillus persicus gen. nov., sp. nov., a moderately halophilic bacterium isolated from a hypersaline lake

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