| microbulbifer hydrolyticus gen. nov., sp. nov., and marinobacterium georgiense gen. nov., sp. nov., two marine bacteria from a lignin-rich pulp mill waste enrichment community. | two numerically important bacteria in marine pulp mill effluent enrichment cultures were isolated. these organisms were gram-negative, rod-shaped, strictly aerobic bacteria. isolate ire-31t (t = type strain) produced hydrolytic enzymes for the breakdown of cellulose, xylan, chitin, gelatin, and tween 80. it also utilized a variety of monosaccharides, disaccharides, amino acids, and volatile fatty acids for growth. isolate kw-40t did not utilize natural polymers, but it could grow on a variety of ... | 1997 | 9103623 |
| utilization of dimethyl sulfide as a sulfur source with the aid of light by marinobacterium sp. strain dms-s1. | strain dms-s1 isolated from seawater was able to utilize dimethyl sulfide (dms) as a sulfur source only in the presence of light in a sulfur-lacking medium. phylogenetic analysis based on 16s ribosomal dna genes indicated that the strain was closely related to marinobacterium georgiense. the strain produced dimethyl sulfoxide (dmso), which was a main metabolite, and small amounts of formate and formaldehyde when grown on dms as the sole sulfur source. the cells of the strain grown with succinate ... | 2000 | 11097944 |
| population structure of alexandrium (dinophyceae) cyst formation-promoting bacteria in hiroshima bay, japan. | a total of 31 bacterial isolates that have potential alexandrium cyst formation-promoting activity (alex-cfpb) were isolated from hiroshima bay (japan), which is characterized by seasonal blooms of the toxic dinoflagellate alexandrium tamarense. the population structure of alex-cfpb was analyzed by means of restriction fragment length polymorphism analysis of the 16s rrna genes (16s rdna). fourteen ribotypes, a to n, were observed among the 31 isolates of alex-cfpb by using four restriction enzy ... | 2003 | 14602614 |
| biodegradation and microbial community changes upon shrimp shell wastes amended in mangrove river sediment. | chitin, a homopolymer of n-acetyl-d-glucosamine (glcnac) residues linked by beta 1-4 bonds, is the most abundant renewable natural resource after cellulose. it is widely distributed in nature as the integuments of crustaceans and insects and as a component of fungi and algae. this study investigated the effects of a bifunctional chitinase/lysozyme-producing strain, pseudomonas aeruginosa k-187, on degradation of shrimp shells and the survival conditions of bacterial strains in mangrove river sed ... | 2010 | 20512738 |
| molecular- and cultivation-based analyses of microbial communities in oil field water and in microcosms amended with nitrate to control h2s production. | nitrate injection into oil fields is an alternative to biocide addition for controlling sulfide production ('souring') caused by sulfate-reducing bacteria (srb). this study examined the suitability of several cultivation-dependent and cultivation-independent methods to assess potential microbial activities (sulfidogenesis and nitrate reduction) and the impact of nitrate amendment on oil field microbiota. microcosms containing produced waters from two western canadian oil fields exhibited sulfido ... | 2010 | 21057944 |
| phylogenetic analysis of culturable marine bacteria in sediments from the south korean yellow sea. | biogeochemical and microbiological characterization of marine sediments taken from the yellow sea of south korea was carried out. one hundred and thirty six bacterial strains were isolated, characterized and phylogenetic relationship was evaluated. the gene sequences of 16s rdna regions were examined to study the phylogenetic analysis of bacterial community in the marine sediments. among 136 isolates, 5 bacterial isolates were identified as novel members, remaining 131 isolates were fall into 5 ... | 2011 | 21675219 |
| mangrove bacterial diversity and the impact of oil contamination revealed by pyrosequencing: bacterial proxies for oil pollution. | mangroves are transitional coastal ecosystems in tropical and sub-tropical regions and represent biologically important and productive ecosystems. despite their great ecological and economic importance, mangroves are often situated in areas of high anthropogenic influence, being exposed to pollutants, such as those released by oil spills. | 2011 | 21399677 |
| marinobacterium coralli sp. nov., isolated from mucus of coral (mussismilia hispida). | a gram-negative, aerobic bacterium, designated r-40509(t), was isolated from mucus of the reef builder coral (mussismilia hispida) located in the são sebastião channel, são paulo, brazil. the strain was oxidase-positive and catalase-negative, and required na(+) for growth. its phylogenetic position was in the genus marinobacterium and the closest related species were marinobacterium sediminicola, marinobacterium maritimum and marinobacterium stanieri; the isolate exhibited 16s rrna gene sequence ... | 2011 | 20154332 |
| marinobacterium lutimaris sp. nov., isolated from a tidal flat. | a gram-staining-negative, moderately halophilic bacterium, designated strain an9t, was isolated from a tidal flat of the taean coast in south korea. cells were catalase- and oxidase-positive short rods that were motile by means of a single polar flagellum. growth of strain an9t was observed at 15-40 degrees c (optimum, 25-30 degrees c) and at ph 6.0-8.0 (optimum, ph 6.5-7.5). strain an9t contained ubiquinone q-8 as the predominant isoprenoid quinone and c10:0 3-oh (31.7%), c18:1omega7c (24.8%), ... | 2010 | 19767363 |
| marinobacterium maritimum sp. nov., a marine bacterium isolated from arctic sediment. | a gram-negative, aerobic, rod-shaped, motile, marine bacterium, strain ar11(t), was isolated from arctic marine sediment. strain ar11(t) grew with 0.5-7 % nacl and at 7-37 degrees c and ph 5.5-9.0. it utilized propionate, 3-hydroxybenzoate, l-proline, acetate, d- and l-lactate, l-alanine, malate and phenylacetic acid. alkaline phosphatase, esterase lipase (c8), leucine arylamidase and acid phosphatase activity tests were positive. acid was produced from 5-ketogluconate and aesculin. strain ar11( ... | 2009 | 19643903 |
| bacterial diversity of marine seeps in the southeastern gulf of mexico. | the diversity of bacterial communities of shallow (< or = 100 m depth) oil seep marine sediments from the southern gulf of mexico was evaluated. the geochemical properties of seep sediments were characterized as well as their microbial diversity in oil seep and control sediments. bacteria were identified through molecular tools as belonging to the genera marinobacter, idiomarina, marinobacterium, frauteria and an unknown bacterium. bacteria might be important components of microbial communities ... | 2009 | 19634471 |
| sampling natural biofilms: a new route to build efficient microbial anodes. | electrochemically active biofilms were constructed on graphite anodes under constant polarization at -0.1v vs saturated calomel reference (sce) with 10 mm acetate as substrate. the reactors were inoculated with three different microbial samples that were drawn from exactly the same place in a french atlantic coastal port (i) by scraping the biofilm that had formed naturally on the surface of a floating bridge, (ii) by taking marine sediments just under the floating bridge, and (iii) by taking ne ... | 2009 | 19534134 |
| marinobacterium nitratireducens sp. nov. and marinobacterium sediminicola sp. nov., isolated from marine sediment. | two strains, cn44(t) and cn47(t), isolated from marine sediment of the east china sea, were characterized by using a polyphasic approach. the isolates were gram-negative, strictly aerobic, non-spore-forming rods. the chemotaxonomic characteristics of these isolates included the presence of c(18 : 1)omega7c, c(16 : 0), iso-c(15 : 0) 2-oh and/or c(16 : 1)omega7c and c(10 : 0) 3-oh as the major cellular fatty acids and q-8 as the predominant ubiquinone. the dna g+c contents of strains cn44(t) and c ... | 2009 | 19406814 |
| marinobacterium marisflavi sp. nov., isolated from a costal seawater. | a marine bacterium designated strain imcc4074(t) was isolated from surface seawater collected off incheon port, the yellow sea, and subjected to a polyphasic taxonomy. the strain was gram-negative, chemoheterotrophic, slightly halophilic, strictly aerobic, and motile rods. based on 16s rrna gene sequence comparisons, the strain was most closely related to marinobacterium litorale kctc 12756(t) (93.9%) and shared low 16s rrna gene sequence similarities with members of the genus marinobacterium (9 ... | 2009 | 19189183 |
| marinobacterium rhizophilum sp. nov., isolated from the rhizosphere of the coastal tidal-flat plant suaeda japonica. | a gram-negative, strictly aerobic, marine bacterium, designated strain cl-yj9(t), was isolated from sediment closely associated with the roots of a plant (suaeda japonica) inhabiting a coastal tidal flat. cells of the novel strain were straight and rod-shaped and were motile by means of monopolar flagella. a phylogenetic analysis based on 16s rrna gene sequences revealed that strain cl-yj9(t) belongs to the genus marinobacterium and was most closely related to marinobacterium halophilum mano11(t ... | 2008 | 18175703 |
| amphritea atlantica gen. nov., sp. nov., a gammaproteobacterium from the logatchev hydrothermal vent field. | a novel gram-negative, motile, aerobic rod-shaped bacterium was isolated from a bathymodiolus sp. specimen collected from the logatchev hydrothermal vent field at the mid-atlantic ridge. the novel strain, m41(t), was catalase- and oxidase-positive and metabolised various carbohydrates and amino acids. it grew well in marine broth with an optimal growth temperature of 31 degrees c to 34 degrees c (range 4-40 degrees c) and salinity requirement of 3% (range 0.3-9%). the ph range for growth was ph ... | 2008 | 18175678 |
| evaluation of the activity of the sponge metabolites avarol and avarone and their synthetic derivatives against fouling micro- and macroorganisms. | the sesquiterpene hydroquinone avarol (1) was isolated from the marine sponge dysidea avara, whereas the corresponding quinone, avarone (2), was obtained by oxidation of avarol, and the significantly more lipophilic compounds [3'-(p-chloro-phenyl)avarone (3), 3',4'-ethylenedithioavarone (4), 4'-isopropylthioavarone (5), 4'-tert-butylthioavarone (6), 4'-propylthioavarone (7), 4'-octylthioavarone (8)] were obtained by nucleophilic addition of thiols or p-chloroaniline to avarone. all these compoun ... | 2007 | 17873837 |
| marinobacterium litorale sp. nov. in the order oceanospirillales. | a bacterial strain named imcc1877(t) was obtained from surface seawater collected near the coast of deokjeok island (yellow sea), using a standard dilution-plating method. the strain was gram-negative, chemoheterotrophic and facultatively anaerobic, requiring nacl, and cells were motile rods with a single polar flagellum. colonies on marine agar were very small (average diameter 0.1 mm). based on 16s rrna gene sequences, the most closely related species to strain imcc1877(t) was marinobacterium ... | 2007 | 17625212 |
| marinobacterium halophilum sp. nov., a marine bacterium isolated from the yellow sea. | a moderately halophilic, aerobic, gram-negative bacterium was isolated from a tidal flat area of dae-chun, chung-nam, korea. the strain, designated mano11(t), comprised rod-shaped cells that were motile by means of polar flagella. it grew with 3-12 % nacl and at 4-37 degrees c and ph 5.3-9.3. the predominant menaquinone present in this strain was q-8 [corrected] and diaminopimelic acid was not found in the cell-wall peptidoglycan. a phylogenetic analysis based on 16s rrna gene sequences showed t ... | 2007 | 17220446 |
| [lipid composition of novel shewanella species isolated from far eastern seas]. | a comparative study of the lipid composition of 26 strains (including type strains) of marine gammaproteobacteria belonging to the genera shewanella, alteromonas, pseudoalteromonas, marinobacterium, microbulbifer, and marinobacter was carried out. the bacteria exhibited genus-specific profiles of ubiquinones, phospholipids, and fatty acids, which can serve as reliable chemotaxonomic markers for tentative identification of new isolates. the studied species of the genus shewanella were distinguish ... | 2005 | 16400986 |
| nitrincola lacisaponensis gen. nov., sp. nov., a novel alkaliphilic bacterium isolated from an alkaline, saline lake. | a novel alkaliphilic bacterium, strain 4cat, was isolated from decomposing wood taken from the shore of soap lake, a saline, alkaline lake in grant county, wa, usa. cells of the isolate were gram-negative, asporogenous, short, motile rods that utilized only a limited range of organic acids as sole carbon and energy sources. in addition to oxygen, the strain possessed the ability to reduce in the presence of acetate. strain 4cat was oxidase- and catalase-positive; it degraded tween 60, but not dn ... | 2005 | 16280482 |
| natural microbial diversity in superficial sediments of milazzo harbor (sicily) and community successions during microcosm enrichment with various hydrocarbons. | hydrocarbon-contaminated superficial sediments collected from the harbor of milazzo (tirrenean sea, northern sicily), a zone strongly affected by anthropogenic activities, were examined for in situ biodegradative capacities. a culture-independent molecular phylogenetic approach was used to study the influence of hydrocarbon and nutrient addition on the activity and diversity of the indigenous microbiota during a microcosm evaluation. the autochthonous microbial community in non-polluted sediment ... | 2005 | 16104865 |
| marinobacterium sp. strain dms-s1 uses dimethyl sulphide as a sulphur source after light-dependent transformation by excreted flavins. | marinobacterium sp. strain dms-s1 is a unique marine bacterium that can use dimethyl sulphide (dms) as a sulphur source only in the presence of light. high-performance liquid chromatography (hplc) analyses of the culture supernatant revealed that excreted factors, which could transform dms to dimethyl sulphoxide (dmso) under light, are fad and riboflavin. in addition, fad appeared to catalyse the photolysis of dms to not only dmso but also methanesulphonate (msa), formate, formaldehyde and sulph ... | 2003 | 12755717 |
| phylogenetic study of the genus oceanospirillum based on 16s rrna and gyrb genes: emended description of the genus oceanospirillum, description of pseudospirillum gen. nov., oceanobacter gen. nov. and terasakiella gen. nov. and transfer of oceanospirillum jannaschii and pseudomonas stanieri to marinobacterium as marinobacterium jannaschii comb. nov. and marinobacterium stanieri comb. no. | the phylogenetic relationships of oceanospirillum strains were analysed by using the nucleotide sequences of 16s rrna and gyrb genes. results from sequence analysis demonstrated that the oceanospirillum core group consisted of four species, oceanospirillum linum, oceanospirillum maris, oceanospirillum beijerinckii and oceanospirillum multiglobuliferum, with enough distance to separate them as different species. however, four other oceanospirillum species occupied taxonomic positions separate fro ... | 2002 | 12054233 |