| Staphylococcus nepalensis | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Staphylococcaceae |
| Genus: | Staphylococcus |
| Species: | S. nepalensis |
| Binomial name | |
| Staphylococcus nepalensis Spergser et al. 2003 | |
Staphylococcus nepalensis is a Gram-positive coccoid bacterium belonging to the genus Staphylococcus.
This species was first isolated from the respiratory tract of goats in 2003. [1]
The bacteria are nonmotile, oxidase-negative, catalase-positive, Gram-positive cocci, 1.1 to 1.6 μm in diameter, that occur singly, in pairs, and in irregular clusters. The G+C content of the type strain is 33 mol%.[ citation needed ]
Colonies after 2 days on P agar are circular, low-convex, smooth, glossy, opaque white, and 2–6 mm in diameter. Growth occurs aerobically and anaerobically in the presence of 0.0 to 7.5% NaCl. The type strain grows well in the presence of 10% NaCl, but growth is variable for other strains. No growth is observed in the presence of 15% NaCl. Growth occurs between 20 and 40 °C: best growth occurs at 30 °C. No growth is observed at 15 or 45 °C.[ citation needed ]
This bacterium produces urease, alkaline phosphatase, pyrrolidonyl arylamidase, beta-galactosidase, and beta-glucuronidase, and hydrolyses aesculin and Tween 80. It reduces nitrate to nitrite. It is negative for clumping factor, coagulase, hyaluronidase, arginine dihydrolase, ornithine decarboxylase, acetoin, arginine arylamidase, alpha- and beta-haemolysins, heat-stable and heat-labile nucleases, indole, hydrogen sulphide, and lecithinase. It produces acid aerobically from D-glucose, D-fructose, D-mannose, maltose, lactose, trehalose, mannitol, sucrose, L-arabinose, N-acetylglucosamine, galactose, glycerol, erythritol, D-xylose, arbutin, and salicin.[ citation needed ]
Acid is not formed aerobically from D-raffinose, ribose, D-cellobiose, D-arabinose, L-xylose, adonitol, methyl-D-xyloside, rhamnose, L-sorbose, dulcitol, starch, inositol, methyl-D-mannoside, methyl-D-glucoside, amygdalin, melibiose, melezitose, gentiobiose, glycogen, inulin, D-tagatose, D-lyxose, cellobiose, D-fucose, L-fucose, L-arabitol, gluconate, 2-ketogluconate or 5-ketogluconate.[ citation needed ]
Acid production from D-arabitol, sorbitol, turanose and xylitol is variable; the type strain is positive. It is resistant to novobiocin, bacitracin, vibriostatic agent O/129, lysozyme, metronidazole, and optochin. It is susceptible to lysostaphin, furazolidone, ampicillin, amoxicillin, amoxicillin/clavulanic acid, ceftiofur, cephalexin, cephalothin, chloramphenicol, clindamycin, colistin sulphate, enrofloxacin, erythromycin, florfenicol, fosfomycin, fusidic acid, gentamicin, kanamycin, lincomycin, neomycin, nitrofurantoin, oxacillin, penicillin G, polymyxin B, sulfamethoxazole/trimethoprim, tetracycline, and vancomycin.
The quinone system consists of the major menaquinone MK-7 and minor amounts of MK-6 and MK-8. Predominant fatty acids are ai-C15:0, i-C15:0, and ai-C17:0, whilst i-C17:0, C18:0, C16:0, C20:0, and i-C19:0 are present in moderate amounts. Polar lipid profile consists of the major lipids diphosphatidylglycerol, phosphatidylglycerol, and an unknown glycolipid.
This species has been isolated from dry-cured ham [2] and from human urine, but its pathological significance is not yet clear. [3]
Staphylococcus haemolyticus is a member of the coagulase-negative staphylococci (CoNS). It is part of the skin flora of humans, and its largest populations are usually found at the axillae, perineum, and inguinal areas. S. haemolyticus also colonizes primates and domestic animals. It is a well-known opportunistic pathogen, and is the second-most frequently isolated CoNS. Infections can be localized or systemic, and are often associated with the insertion of medical devices. The highly antibiotic-resistant phenotype and ability to form biofilms make S. haemolyticus a difficult pathogen to treat. Its most closely-related species is Staphylococcus borealis.
Mycobacterium conceptionense is a non pigmented rapidly growing mycobacterium was first isolated from wound liquid outflow, bone tissue biopsy, and excised skin tissue from a 31-year-old woman who suffered an accidental open right tibia fracture and prolonged stay in a river. Etymology: conceptionense, pertaining to Hôpital de la Conception, the hospital where the first strain was isolated.
Staphylococcus is a genus of Gram-positive bacteria in the family Staphylococcaceae from the order Bacillales. Under the microscope, they appear spherical (cocci), and form in grape-like clusters. Staphylococcus species are facultative anaerobic organisms.
Staphylococcus muscae is a Gram-positive coccoid bacterium belonging to the genus Staphylococcus.
Cryptococcus ater is a species of Cryptococcus that has some unique characteristics. When grown on agar it typically produces cream colonies, however when grown on neopeptone agar slants, the colonies turn olive green after approximately four weeks. This species also turns nearly black when grown on Diamalt agar slants and on Gorodkova agar after approximately three months. When grown in liquid media it develops sediment and a weak ring. On the microscopic level the cells appear globose to ovate and are capsulated. Occasionally the cells have been seen to create chains of four to five cells. When grown, it does not require vitamins, but its growth is weakened by the presence of ammonium sulfate. It is able to assimilate alpha-methyl-D-glucoside, Ca-2-keto-gluconate, cellobiose, D-arabinose, D-mannitol, D-sorbitol, D-xylose, galactose, glucose, K-5-keto-gluconate- K-gluconate, lactose, L-arabinose, L-rhamnose, maltose, melezitose, i-inositol, raffinose, salicin and trehalose. This species has been isolated from ulcers in a leg.
Geobacillus thermoglucosidasius is a thermophilic gram-positive bacterium, and a member of the Bacillota phylum. It was first isolated from soil in Japan in 1983.
Sporobolomyces koalae is a species of fungus in the order Sporidiobolales. It is an anamorphic yeast. Strains of the yeast were isolated from nasal swabs from three of five captive Queensland koalas kept at the Kobe Oji Zoo in Kobe, Japan. Swabs from three zoo keepers were examined as well, but tested negative for the presence of the yeast. It is not suspected to be pathogenic, as the koalas from which it was isolated were healthy.
Candida keroseneae is a species of yeast in the genus Candida, family Saccharomycetaceae. Described as new to science in 2011, it was isolated from aviation fuel.
Lactiplantibacillus fabifermentans is a member of the genus Lactiplantibacillus and a type of lactic acid bacteria (LAB), a group of Gram-positive bacteria that produce lactic acid as their major fermented end product and that are often involved in food fermentation. L. fabifermentans was proposed in 2009 as a new species, after the type strain LMG 24284T has been isolated from Ghanaian cocoa fermentation. Analysis of the 16S rRNA gene sequence demonstrated that this species is a member of the Lactobacillus plantarum species group but further analysis demonstrated that it is possible to differentiate it from the nearest neighbors by means of DNA-DNA hybridization experiments, pheS sequence analysis, whole-cell protein electrophoresis, fluorescent amplified fragment length polymorphism analysis and biochemical characterization.
Haloferax larsenii is a gram-negative, aerobic, neutrophilic, extremely halophilic archaeon. It was named in honor of Professor Helge Larsen, who pioneered research on halophiles.
In enzymology, a xylose isomerase is an enzyme that catalyzes the interconversion of D-xylose and D-xylulose. This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in nearly a hundred species of bacteria. Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase.
Halostagnicola larsenii is a non-motile, aerobic, gram-negative, rod shaped archaeon. It is a halophilic, neutrophilic, chemo-organotroph and was isolated from samples taken from a saline lake in China. The etymology of the name comes from hals, halos Greek for salt, stagnum Latin for a piece of standing water, -cola Latin for inhabitant or dweller, and Larsenii named after the Norwegian microbiologist, Helge Larsen, who was a pioneer in research regarding halophiles.
Meiothermus timidus is a species of yellow-pigmented Deinococcota bacteria. It was first isolated from the hot spring at São Pedro do Sul, in central Portugal, and at the island of Sao Miguel in the Azores. Its type strain is SPS-243T. The species was differentiated with the 16S rRNA gene sequence and biochemical characteristics.
Rhizobium bangladeshense is a gram-negative bacterium which was isolated from root nodules of lentils in Bangladesh.
Rhizobium binae is a gram-negative bacterium which was isolated from root nodules of lentils in Bangladesh.
Terriglobus roseus is a bacterium belonging to subdivision 1 of the Acidobacteriota phylum, and is closely related to the genera Granulicella and Edaphobacter. T. roseus was the first species recognized in the genus Terriglobus in 2007. This bacterial species is extremely abundant and diverse in agricultural soils. T. roseus is an aerobic Gram-negative rod lacking motility. This bacteria can produce extracellular polymeric substances (EPS) to form a biofilm, or extracellular matrix, for means of protection, communication amongst neighboring cells, etc. Its type strain is KBS 63.
Kazachstania yasuniensis is a recently isolated yeast. This organism is part of the genus Kazachstania, which can be found in a large variety of habitats such as fermented foods, animals, wastewater, et cetera.
Arthrobacter bussei is a pink-coloured, aerobic, coccus-shaped, Gram-stain-positive, oxidase-positive and catalase-positive bacterium isolated from cheese made of cow´s milk. A. bussei is non-motile and does not form spores. Rod–coccus life cycle is not observed. Cells are 1.1–1.5 µm in diameter. On trypticase soy agar it forms pink-coloured, raised and round colonies, which are 1.0 mm in diameter after 5 days at 30 °C The genome of the strain A. bussei KR32T has been fully sequenced.
Acidipropionibacterium timonense (A. timonense) is a bacterium from the genus of Acidipropionibacterium.
Naganishia antarctica is a yeast species that has been isolated from soil in Antarctica.