Oxalotrophic bacteria are bacteria capable of using oxalate as their sole source of carbon and energy. [1] [2] [3] [4] [5] [6] Oxalate is the anion of a salt of oxalic acid; oxalotrophs often consume calcium oxalate. Oxalotrophic bacteria are often facultative methylotrophs. [7]
Calcium oxalate (in archaic terminology, oxalate of lime) is a calcium salt of oxalate with the chemical formula CaC2O4·(H2O)x, where x varies from 0 to 3. All forms are colorless or white. The monohydrate occurs naturally as the mineral whewellite, forming envelope-shaped crystals, known in plants as raphides. The rarer dihydrate (mineral: weddellite) and trihydrate (mineral: caoxite) are also recognized. Calcium oxalates are a major constituent of human kidney stones. Calcium oxalate is also found in beerstone, a scale that forms on containers used in breweries.
The phylum Bacteroidetes is composed of three large classes of Gram-negative, nonsporeforming, anaerobic or aerobic, and rod-shaped bacteria that are widely distributed in the environment, including in soil, sediments, and sea water, as well as in the guts and on the skin of animals.
Tetanolysin is a toxin produced by Clostridium tetani bacteria. Its function is unknown, but it is believed to contribute to the pathogenesis of tetanus. The other C. tetani toxin, tetanospasmin, is more definitively linked to tetanus. It is sensitive to oxygen.
Agarase is an enzyme with systematic name agarose 4-glycanohydrolase. It is found in agarolytic bacteria and is the first enzyme in the agar catabolic pathway. It is responsible for allowing them to use agar as their primary source of Carbon and enables their ability to thrive in the ocean.
Ultramicrobacteria are bacteria that are smaller than 0.1 μm3 under all growth conditions. This term was coined in 1981, describing cocci in seawater that were less than 0.3 μm in diameter. Ultramicrobacteria have also been recovered from soil and appear to be a mixture of Gram-positive, Gram-negative and cell-wall-lacking species. Ultramicrobacteria possess a relatively high surface-area-to-volume ratio due to their small size, which aids in growth under oligotrophic conditions. The relatively small size of ultramicrobacteria also enables parasitism of larger organisms; some ultramicrobacteria have been observed to be obligate or facultative parasites of various eukaryotes and prokaryotes. One factor allowing ultramicrobacteria to achieve their small size seems to be genome minimization such as in the case of the ultramicrobacterium P. ubique whose small 1.3 Mb genome is seemingly devoid of extraneous genetic elements like nonworking genes, transposons, extrachromosomal elements etc. However, genomic data from ultramicrobacteria is lacking since the study of ultramicrobacteria, like many other prokaryotes, is hindered by difficulties in cultivating them.
Cunninghamella elegans is a species of fungus in the genus Cunninghamella found in soil.
1-hydroxy-2-naphthoate hydroxylase (EC 1.14.13.135, 1-hydroxy-2-naphthoic acid hydroxylase) is an enzyme with systematic name 1-hydroxy-2-naphthoate,NAD(P)H:oxygen oxidoreductase (2-hydroxylating, decarboxylating). This enzyme catalyses the following chemical reaction
Oxalicibacterium faecigallinarum is a Gram-negative, rod-shaped, non-spore-forming, yellow-pigmented, oxidase and catalase positive, and oxalotrophic bacterium from the genus Oxalicibacterium and family Oxalobacteraceae.
Oxalicibacterium flavum is a Gram-negative, rod-shaped, non-spore-forming, yellow-pigmented, and oxalotrophic bacterium from the genus Oxalicibacterium and family Oxalobacteraceae. Its 16S rRNA gene sequence analysis has shown that it belongs to the order Betaproteobacteria.
Oxalicibacterium horti is a Gram-negative, rod-shaped, non-spore-forming, yellow-pigmented bacterium from the genus Oxalicibacterium and family Oxalobacteraceae. O. horti uses potassium oxalate as a sole carbon source. Its 16S rRNA gene sequence analysis has shown that it belongs to the order of Betaproteobacteria, most closely to Oxalicibacterium flavum.
N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-glycyl)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase (EC 2.3.2.17, femA (gene)) is an enzyme with systematic name N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-glycyl)-D-alanyl-D-alanine-ditrans,octacis-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase. This enzyme catalyses the following chemical reaction
Deleya halophila is a salt-loving, gram-negative bacteria. It is known to habitat marine environments, solar salterns, saline soils, and salted food. The genus was named after J. De Ley, a noted biologist. Its type strain is CCM 3662.
Azospirillum brasilense is a well studied, nitrogen-fixing (diazotroph), genetically tractable, Gram-negative, alpha-proteobacterium bacterium. A. brasilense is able to fix nitrogen in the presence of low oxygen levels, making it a microaerobic diazotroph. Originally isolated from nitrogen poor soils in the Netherlands in 1925, it is widely found in the rhizospheres of grasses around the world where it confers plant growth promotion. Whether growth promotion occurs through direct nitrogen flux from the bacteria to the plant or through hormone regulation is debated. The two most commonly studied strains are Sp7 and Sp245.
Desulfitobacterium hafniense is a species of gram positive bacteria, its type strain is DCB-2T..
Methanococcoides methylutens is a methylotrophic marine methanogen, the type species of its genus. It utilises trimethylamine, diethylamine, monomethylamine, and methanol as substrates for growth and methanogenesis. Cells are non-motile, non-spore-forming, irregular cocci 1 μm in diameter which stain Gram-negative and occur singly or in pairs. TMA-10 is the type strain.
Psalteriomonas lanterna is a species of amoebae in the group of Heterolobosea. The cells of the flagellate stage show four nuclei, four ventral grooves and four mastigont systems, each with four flagella. It lacks a Golgi apparatus and reproduction occurs in both stages of its life cycle.
Penicillium olsonii is an anamorph, filamentous species in the genus Penicillium which produces several polygalacturonases, xanthoepocin, asperphenamate, verrucolone, phthalate and olnacin. Penicillium olsonii is an often source of soilage of tomatoes, salami and beans This species occurs ubiquitously in soil
Penicillium simplicissimum is an anamorph species of fungus in the genus Penicillium which can promote plant growth. This species occurs on food and its primary habitat is in decaying vegetations Penicillium simplicissimum produces verruculogene, fumitremorgene B, penicillic acid, viridicatumtoxin, decarestrictine G, decarestrictine L, decarestrictine H, decarestrictine I, decarestrictine K decarestrictine M, dihydrovermistatin, vermistatin and penisimplicissin
Paenarthrobacter nicotinovorans, also known as Arthrobacter Nicotinovorans, is a Gram-positive and aerobic bacterium species from the genus of Paenarthrobacter. Before the year 2016, this bacterium species was said to be a species of Arthrobacter genus. The bacterium species is reclassified in 2016 to be a member of Paenarthrobacter. Therefore it had a new name as Paenarthrobacter nicotinovorans. This bacterium has the ability to degrade atrazine, nicotine and creatine. and produces nicotine dehydrogenase
Hydrogenibacillus schlegelii is a Gram-positive species of bacteria. Strains of this species were originally isolated from a lake near St-Blaise, Neuchâtel, Switzerland. The species is thermophilic; strains isolated from soil in Antarctica were found to grow at temperatures between 59 and 72 °C.
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