Alphaproteobacteria
RNA, Ribosomal, 16S
DNA, Ribosomal
Sequence Analysis, DNA
Proteobacteria
A phylum of bacteria consisting of the purple bacteria and their relatives which form a branch of the eubacterial tree. This group of predominantly gram-negative bacteria is classified based on homology of equivalent nucleotide sequences of 16S ribosomal RNA or by hybridization of ribosomal RNA or DNA with 16S and 23S ribosomal RNA.
Bacteria
One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.
Rhodospirillaceae
Gammaproteobacteria
Rhodospirillales
Genes, rRNA
Beijerinckiaceae
Acetobacteraceae
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Roseobacter
Biota
Betaproteobacteria
Heterotrophic Processes
The processes by which organisms utilize organic substances as their nutrient sources. Contrasts with AUTOTROPHIC PROCESSES which make use of simple inorganic substances as the nutrient supply source. Heterotrophs can be either chemoheterotrophs (or chemoorganotrophs) which also require organic substances such as glucose for their primary metabolic energy requirements, or photoheterotrophs (or photoorganotrophs) which derive their primary energy requirements from light. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; heterotrophy; chemotrophy; or PHOTOTROPHY) to utilize different sources to meet their nutrients and energy requirements.
Geologic Sediments
A mass of organic or inorganic solid fragmented material, or the solid fragment itself, that comes from the weathering of rock and is carried by, suspended in, or dropped by air, water, or ice. It refers also to a mass that is accumulated by any other natural agent and that forms in layers on the earth's surface, such as sand, gravel, silt, mud, fill, or loess. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1689)
Biodiversity
Soil Microbiology
Rickettsiaceae
Cluster Analysis
A set of statistical methods used to group variables or observations into strongly inter-related subgroups. In epidemiology, it may be used to analyze a closely grouped series of events or cases of disease or other health-related phenomenon with well-defined distribution patterns in relation to time or place or both.
Water Microbiology
Ochrobactrum
Rhodovulum
Fatty Acids
Bacterial Typing Techniques
Wetlands
Hyphomicrobium
A genus of rod-shaped, oval, or bean-shaped bacteria found in soil and fresh water. Polar prosthecae are present and cells reproduce by budding at the tips of the prosthecae. Cells of this genus are aerobic and grow best with one-carbon compounds. (From Bergey's Manual of Determinative Bacteriology, 9th ed)
Bacteroidetes
Denaturing Gradient Gel Electrophoresis
RNA, Bacterial
Gluconobacter
Verrucomicrobia
Sphingomonadaceae
Symbiosis
Ochrobactrum anthropi
Quinones
Plankton
Methylocystaceae
Sphingomonas
Gene Transfer, Horizontal
The naturally occurring transmission of genetic information between organisms, related or unrelated, circumventing parent-to-offspring transmission. Horizontal gene transfer may occur via a variety of naturally occurring processes such as GENETIC CONJUGATION; GENETIC TRANSDUCTION; and TRANSFECTION. It may result in a change of the recipient organism's genetic composition (TRANSFORMATION, GENETIC).
Phototrophic Processes
Processes by which phototrophic organisms use sunlight as their primary energy source. Contrasts with chemotrophic processes which do not depend on light and function in deriving energy from exogenous chemical sources. Photoautotrophy (or photolithotrophy) is the ability to use sunlight as energy to fix inorganic nutrients to be used for other organic requirements. Photoautotrophs include all GREEN PLANTS; GREEN ALGAE; CYANOBACTERIA; and green and PURPLE SULFUR BACTERIA. Photoheterotrophs or photoorganotrophs require a supply of organic nutrients for their organic requirements but use sunlight as their primary energy source; examples include certain PURPLE NONSULFUR BACTERIA. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; HETEROTROPHY; chemotrophy; or phototrophy) to utilize different sources to meet their nutrients and energy requirements.
Ecosystem
Archaea
One of the three domains of life (the others being BACTERIA and Eukarya), formerly called Archaebacteria under the taxon Bacteria, but now considered separate and distinct. They are characterized by: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls; (3) the presence of ether-linked lipids built from branched-chain subunits; and (4) their occurrence in unusual habitats. While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. The domain contains at least four kingdoms: CRENARCHAEOTA; EURYARCHAEOTA; NANOARCHAEOTA; and KORARCHAEOTA.
Oceans and Seas
Waste Disposal, Fluid
Locomotion
Water Purification
Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of WASTE WATER to provide potable and hygienic water in a controlled or closed environment as well as provision of public drinking water supplies.
Species Specificity
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
Gene Expression Regulation, Bacterial
Actinobacteria
Porifera
The phylum of sponges which are sessile, suspension-feeding, multicellular animals that utilize flagellated cells called choanocytes to circulate water. Most are hermaphroditic. They are probably an early evolutionary side branch that gave rise to no other group of animals. Except for about 150 freshwater species, sponges are marine animals. They are a source of ALKALOIDS; STEROLS; and other complex molecules useful in medicine and biological research.
Sinorhizobium meliloti
Metagenome
Ubiquinone
Soil Pollutants
Nucleic Acid Hybridization
Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503)
Korea
In Situ Hybridization, Fluorescence
Microscopy, Electron, Transmission
Anaerobiosis
DNA Fingerprinting
A technique for identifying individuals of a species that is based on the uniqueness of their DNA sequence. Uniqueness is determined by identifying which combination of allelic variations occur in the individual at a statistically relevant number of different loci. In forensic studies, RESTRICTION FRAGMENT LENGTH POLYMORPHISM of multiple, highly polymorphic VNTR LOCI or MICROSATELLITE REPEAT loci are analyzed. The number of loci used for the profile depends on the ALLELE FREQUENCY in the population.
Anthozoa
Sequence Homology, Nucleic Acid
Flagella
A whiplike motility appendage present on the surface cells. Prokaryote flagella are composed of a protein called FLAGELLIN. Bacteria can have a single flagellum, a tuft at one pole, or multiple flagella covering the entire surface. In eukaryotes, flagella are threadlike protoplasmic extensions used to propel flagellates and sperm. Flagella have the same basic structure as CILIA but are longer in proportion to the cell bearing them and present in much smaller numbers. (From King & Stansfield, A Dictionary of Genetics, 4th ed)
Nitrogen Fixation
Nitrates
Carbon
Biofilms
Encrustations, formed from microbes (bacteria, algae, fungi, plankton, or protozoa) embedding in extracellular polymers, that adhere to surfaces such as teeth (DENTAL DEPOSITS); PROSTHESES AND IMPLANTS; and catheters. Biofilms are prevented from forming by treating surfaces with DENTIFRICES; DISINFECTANTS; ANTI-INFECTIVE AGENTS; and antifouling agents.
Oxidoreductases
The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9)
Phenotype
Plant Roots
Biological Evolution
Phylogenetic analysis of Piscirickettsia salmonis by 16S, internal transcribed spacer (ITS) and 23S ribosomal DNA sequencing. (1/608)
Piscirickettsia salmonis, the etiologic agent of piscirickettsiosis, is a systemic disease of salmonid fish. Variations in virulence and mortality have been observed during epizootics at different geographical regions and in laboratory experiments with isolates from these different locations. This raises the possibility that biogeographical patterns of genetic variation might be a significant factor with this disease. To assess the genetic variability the 16S ribosomal DNA, the internal transcribed spacer (ITS) and the 23S ribosomal DNA of isolates from 3 different hosts and 3 geographic origins were amplified using the polymerase chain reaction (PCR). Results of this analysis confirm that P. salmonis is a member of the gamma subgroup of the Proteobacteria and show that the isolates form a tight monophyletic cluster with 16S rDNA similarities ranging from 99.7 to 98.5%. The ITS regions were 309 base pairs (bp), did not contain tRNA genes, and varied between isolates (95.2 to 99.7% similarity). Two-thirds of the 23S rRNA gene was sequenced from 5 of the isolates, yielding similarities ranging from 97.9 to 99.8%. Phylogenetic trees were constructed based on the 16S rDNA, ITS and 23S rDNA sequence data and compared. The trees were topologically similar, suggesting that the 3 types of molecules provided similar phylogenetic information. Five of the isolates are closely related (> 99.4% 16S rDNA similarity, 99.1% to 99.7% ITS and 99.3 to 99.8% 23S rDNA similarities). The sequence of one Chilean isolate, EM-90, was unique, with 16S rDNA similarities to the other isolates ranging from 98.5 to 98.9%, the ITS from 95.2 to 96.9% and the 23S rDNA from 97.6 to 98.5%. (+info)Transformation of sulfur compounds by an abundant lineage of marine bacteria in the alpha-subclass of the class Proteobacteria. (2/608)
Members of a group of marine bacteria that is numerically important in coastal seawater and sediments were characterized with respect to their ability to transform organic and inorganic sulfur compounds. Fifteen strains representing the Roseobacter group (a phylogenetic cluster of marine bacteria in the alpha-subclass of the class Proteobacteria) were isolated from seawater, primarily from the southeastern United States. Although more than one-half of the isolates were obtained without any selection for sulfur metabolism, all of the isolates were able to degrade the sulfur-containing osmolyte dimethyl sulfoniopropionate (DMSP) with production of dimethyl sulfide (DMS). Five isolates also degraded DMSP with production of methanethiol, indicating that both cleavage and demethylation pathways for DMSP occurred in the same organism, which is unusual. Five isolates were able to reduce dimethyl sulfoxide to DMS, and several isolates also degraded DMS and methanethiol. Sulfite oxygenase activity and methanesulfonic acid oxygenase activity were also present in some of the isolates. The ability to incorporate the reduced sulfur in DMSP and methanethiol into cellular material was studied with one of the isolates. A group-specific 16S rRNA probe indicated that the relative abundance of uncultured bacteria in the Roseobacter group increased in seawater enriched with DMSP or DMS. Because this group typically accounts for >10% of the 16S ribosomal DNA pool in coastal seawater and sediments of the southern United States, clues about its potential biogeochemical role are of particular interest. Studies of culturable representatives suggested that the group could mediate a number of steps in the cycling of both organic and inorganic forms of sulfur in marine environments. (+info)Purification and characterization of the soluble methane monooxygenase of the type II methanotrophic bacterium Methylocystis sp. strain WI 14. (3/608)
Methane monooxygenase (MMO) catalyzes the oxidation of methane to methanol as the first step of methane degradation. A soluble NAD(P)H-dependent methane monooxygenase (sMMO) from the type II methanotrophic bacterium WI 14 was purified to homogeneity. Sequencing of the 16S rDNA and comparison with that of other known methanotrophic bacteria confirmed that strain WI 14 is very close to the genus Methylocystis. The sMMO is expressed only during growth under copper limitation (<0.1 microM) and with ammonium or nitrate ions as the nitrogen source. The enzyme exhibits a low substrate specificity and is able to oxidize several alkanes and alkenes, cyclic hydrocarbons, aromatics, and halogenic aromatics. It has three components, hydroxylase, reductase and protein B, which is involved in enzyme regulation and increases sMMO activity about 10-fold. The relative molecular masses of the native components were estimated to be 229, 41, and 18 kDa, respectively. The hydroxylase contains three subunits with relative molecular masses of 57, 43, and 23 kDa, which are present in stoichiometric amounts, suggesting that the native protein has an alpha(2)beta(2)gamma(2) structure. We detected 3.6 mol of iron per mol of hydroxylase by atomic absorption spectrometry. sMMO is strongly inhibited by Hg(2+) ions (with a total loss of enzyme activity at 0.01 mM Hg(2+)) and Cu(2+), Zn(2+), and Ni(2+) ions (95, 80, and 40% loss of activity at 1 mM ions). The complete sMMO gene sequence has been determined. sMMO genes from strain WI 14 are clustered on the chromosome and show a high degree of homology (at both the nucleotide and amino acid levels) to the corresponding genes from Methylosinus trichosporium OB3b, Methylocystis sp. strain M, and Methylococcus capsulatus (Bath). (+info)Poly(aspartic acid) degradation by a Sphingomonas sp. isolated from freshwater. (4/608)
A poly(aspartic acid) degrading bacterium (strain KT-1 [JCM10459]) was isolated from river water and identified as a member of the genus Sphingomonas. The isolate degraded only poly(aspartic acid)s of low molecular masses (<5 kDa), while the cell extract hydrolyzed high-molecular-mass poly(aspartic acid)s of 5 to 150 kDa to yield aspartic acid monomer. (+info)Characterization of a separate small domain derived from the 5' end of 23S rRNA of an alpha-proteobacterium. (5/608)
We demonstrate the presence of a separate processed domain derived from the 5' end of 23S rRNA in ribosomes of Rhodopseudomonas palustris, a member of the alpha-++proteobacteria. Previous sequencing studies predicted intervening sequences (IVS) at homologous positions within the 23S rRNA genes of several alpha-proteobacteria, including R.palustris, and we find a processed 23S rRNA 5' domain in unfractionated RNA from several species. 5.8S rRNA from eukaryotic cytoplasmic large subunit ribosomes and the bacterial processed 23S rRNA 5' domain share homology, possess similar structures and are both derived by processing of large precursors. However, the internal transcribed spacer regions or IVSs separating them from the main large subunit rRNAs are evolutionarily unrelated. Consistent with the difference in sequence, we find that the site and mechanism of IVS processing also differs. Rhodopseudomonas palustris IVS-containing RNA precursors are cleaved in vitro by Escherichia coli RNase III or a similar activity present in R.palustris extracts at a processing site distinct from that found in eukaryotic systems and this results in only partial processing of the IVS. Surprisingly, in a reaction unlike characterized cases of eubacterial IVS processing, an RNA segment larger than the corresponding DNA insertion is removed which contains conserved sequences. These sequences, by analogy, serve to link the 23S rRNA 5' rRNA domains or 5.8S rRNAs to the main portion of other prokaryotic 23S rRNAs or to eukaryotic 28S rRNAs, respectively. (+info)Bartonella vinsonii subsp. berkhoffii and related members of the alpha subdivision of the Proteobacteria in dogs with cardiac arrhythmias, endocarditis, or myocarditis. (6/608)
Cardiac arrhythmias, endocarditis, or myocarditis was identified in 12 dogs, of which 11 were seroreactive to Bartonella vinsonii subspecies berkhoffii antigens. Historical abnormalities were highly variable but frequently included substantial weight loss, syncope, collapse, or sudden death. Fever was an infrequently detected abnormality. Cardiac disease was diagnosed following an illness of short duration in most dogs, but a protracted illness of at least 6 months' duration was reported for four dogs. Valvular endocarditis was diagnosed echocardiographically or histologically in eight dogs, two of which also had moderate to severe multifocal myocarditis. Four dogs lacking definitive evidence of endocarditis were included because of seroreactivity to B. vinsonii antigens and uncharacterized heart murmurs and/or arrhythmias. Alpha proteobacteria were not isolated from the blood by either conventional or lysis centrifugation blood culture techniques. Using PCR amplification and DNA sequencing of a portion of the 16S rRNA gene, B. vinsonii was identified in the blood or heart valves of three dogs. DNA sequence alignment of PCR amplicons derived from blood or tissue samples from seven dogs clustered among members of the alpha subdivision of the Proteobacteria and suggested the possibility of involvement of one or more alpha proteobacteria; however, because of the limited quantity of sequence, the genus could not be identified. Serologic or molecular evidence of coinfection with tick-transmitted pathogens, including Ehrlichia canis, Babesia canis, Babesia gibsonii, or spotted fever group rickettsiae, was obtained for seven dogs. We conclude that B. vinsonii subsp. berkhoffii and closely related species of alpha proteobacteria are an important, previously unrecognized cause of arrhythmias, endocarditis, myocarditis, syncope, and sudden death in dogs. (+info)Oxidation of methyl halides by the facultative methylotroph strain IMB-1. (7/608)
Washed cell suspensions of the facultative methylotroph strain IMB-1 grown on methyl bromide (MeBr) were able to consume methyl chloride (MeCl) and methyl iodide (MeI) as well as MeBr. Consumption of >100 microM MeBr by cells grown on glucose, acetate, or monomethylamine required induction. Induction was inhibited by chloramphenicol. However, cells had a constitutive ability to consume low concentrations (<20 nM) of MeBr. Glucose-grown cells were able to readily oxidize [(14)C]formaldehyde to (14)CO(2) but had only a small capacity for oxidation of [(14)C]methanol. Preincubation of cells with MeBr did not affect either activity, but MeBr-induced cells had a greater capacity for [(14)C]MeBr oxidation than did cells without preincubation. Consumption of MeBr was inhibited by MeI, and MeCl consumption was inhibited by MeBr. No inhibition of MeBr consumption occurred with methyl fluoride, propyl iodide, dibromomethane, dichloromethane, or difluoromethane, and in addition cells did not oxidize any of these compounds. Cells displayed Michaelis-Menten kinetics for the various methyl halides, with apparent K(s) values of 190, 280, and 6,100 nM for MeBr, MeI, and MeCl, respectively. These results suggest the presence of a single oxidation enzyme system specific for methyl halides (other than methyl fluoride) which runs through formaldehyde to CO(2). The ease of induction of methyl halide oxidation in strain IMB-1 should facilitate its mass culture for the purpose of reducing MeBr emissions to the atmosphere from fumigated soils. (+info)Characterization and identification of numerically abundant culturable bacteria from the anoxic bulk soil of rice paddy microcosms. (8/608)
Most-probable-number (liquid serial dilution culture) counts were obtained for polysaccharolytic and saccharolytic fermenting bacteria in the anoxic bulk soil of flooded microcosms containing rice plants. The highest viable counts (up to 2.5 x 10(8) cells per g [dry weight] of soil) were obtained by using xylan, pectin, or a mixture of seven mono- and disaccharides as the growth substrate. The total cell count for the soil, as determined by using 4', 6-diamidino-2-phenylindole staining, was 4.8 x 10(8) cells per g (dry weight) of soil. The nine strains isolated from the terminal positive tubes in counting experiments which yielded culturable populations that were equivalent to about 5% or more of the total microscopic count population belonged to the division Verrucomicrobia, the Cytophaga-Flavobacterium-Bacteroides division, clostridial cluster XIVa, clostridial cluster IX, Bacillus spp., and the class Actinobacteria. Isolates originating from the terminal positive tubes of liquid dilution series can be expected to be representatives of species whose populations in the soil are large. None of the isolates had 16S rRNA gene sequences identical to 16S rRNA gene sequences of previously described species for which data are available. Eight of the nine strains isolated fermented sugars to acetate and propionate (and some also fermented sugars to succinate). The closest relatives of these strains (except for the two strains of actinobacteria) were as-yet-uncultivated bacteria detected in the same soil sample by cloning PCR-amplified 16S rRNA genes (U. Hengstmann, K.-J. Chin, P. H. Janssen, and W. Liesack, Appl. Environ. Microbiol. 65:5050-5058, 1999). Twelve other isolates, which originated from most-probable-number counting series indicating that the culturable populations were smaller, were less closely related to cloned 16S rRNA genes. (+info)CAZy - Bacteria
Putative glycogen-accumulating organisms belonging to the Alphaproteobacteria identified through rRNA-based stable isotope...
Clado SAR11 - Wikipedia, a enciclopedia libre
Experimental evaluation of decrease in the activities of polyphosphate/glycogen-accumulating organisms due to cell death and...
WoRMS - World Register of Marine Species - Erythrobacteraceae
Sandwalk: Jim Lake and the Eocyte tree
Alphaproteobacteria | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...
Candidatus Midichloria mitochondrii: Symbiont or Parasite of Tick Mitochondria? | Manipulative Tenants | Taylor & Francis Group
Pelagibacterales - Wikipedia
Genes | Free Full-Text | Plant-Bacteria Association and Symbiosis: Are There Common Genomic Traits in Alphaproteobacteria?
Altererythrobacter namhicola sp. nov. and Altererythrobacter aestuarii sp. nov., isolated from seawater | Microbiology Society
Star Wars - English | Stichting Tekenbeetziekten
UniProt: A3UI32 9RHOB
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Antennatus bermudensis
Publications | Brown Lab
Altererythrobacter ishigakiensis
Aminobacter niigataensis
Mechanic Home | Rollingtrans
KEGG PATHWAY: Biotin metabolism - Micavibrio aeruginosavorus ARL-13
PLOS ONE: Predatory Bacteria: A Potential Ally against Multidrug-Resistant Gram-Negative Pathogens
Iron in the structure of Sulfite Dehydrogenase From Starkeya Novella R55M Mutant (pdb 2ca3)
Description: Chromosome arrangement and dynamics in the budding bacterium Hyphomonas neptunium
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Genome of the R-body producing marine alphaproteobacterium Labrenzia alexandrii type strain (DFL-11T)
Genome of the marine alphaproteobacterium Hoeflea phototrophica type strain (DFL-43T)
Research | Brown Lab
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Eutriphora bermudensis
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Very rough
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A novel bifunctional N-acetylglutamate synthase-kinase from Xanthomonas campestris that is closely related to mammalian N...
Horizontal gene transfer and diverse functional constrains within a common replication-partitioning system in...
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Alphaproteobacteria
The Magnetococcales and Mariprofundales are considered basal or sister to the Alphaproteobacteria. The Alphaproteobacteria are ... The phylogeny of Alphaproteobacteria has constantly been revisited and updated. There are some debates for the inclusion of ... "Alphaproteobacteria, not assigned to a family". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June ... The Alphaproteobacteria are a diverse taxon and comprises several phototrophic genera, several genera metabolising C1-compounds ...
Rhodoplanes
Alphaproteobacteria in China". Asian Pacific Journal of Tropical Medicine. 4 (3): 248-50. doi:10.1016/S1995-7645(11)60079-5. ...
Temperatibacteraceae
nov.) in the "Alphaproteobacteria"". Int J Syst Evol Microbiol. 55 (Pt 5): 2033-2037. doi:10.1099/ijs.0.63684-0. PMID 16166706 ... in the class Alphaproteobacteria". Int J Syst Evol Microbiol. 64 (Pt 9): 3075-3080. doi:10.1099/ijs.0.063685-0. PMID 24944335 ...
Pseudomonadota
Some Alphaproteobacteria can grow at very low levels of nutrients and have unusual morphology such as stalks and buds. Others ... Garrity, G.M.; Bell, J.A.; Lilburn, T. (2005). "Class I. Alphaproteobacteria class. nov.". In Brenner, D.J.; Krieg, N.R.; ... The mitochondria of eukaryotes are thought to be descendants of an alphaproteobacterium. The Betaproteobacteria are highly ... Thermithiobacillus Alphaproteobacteria: Brucella, Rhizobium, Agrobacterium, Caulobacter, Rickettsia, Wolbachia, etc. ...
Kordiimonas gwangyangensis
nov.) in the Alphaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 55 (Pt 5): 2033-2037. doi ...
Notoacmeibacteraceae
in the class Alphaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 67 (9): 3375-3380. doi: ...
Xanthobacteraceae
In 2005, based on comparison of 16S rRNA of the members of Alphaproteobacteria, Lee et al. proposed the family ... Alphaproteobacteria and Betaproteobacteria. Berlin, Heidelberg: Springer. pp. 709-726. doi:10.1007/978-3-642-30197-1_258. ISBN ... "Multiphyletic origins of methylotrophy in Alphaproteobacteria, exemplified by comparative genomics of Lake Washington isolates ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Sphingomonadaceae
The Prokaryotes: Alphaproteobacteria and Betaproteobacteria. Berlin, Heidelberg: Springer. pp. 641-707. doi:10.1007/978-3-642- ... Sphingomonadaceae are a gram-negative bacterial family of the Alphaproteobacteria. An important feature is the presence of ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Frontiers in Microbiology. 11: 468 ...
Cell cycle regulated Methyltransferase
CcrM homologs in Alphaproteobacteria have an 80 residues C terminal domain, with non well characterized function. CcrM is ... Alphaproteobacteria are organisms with different life stages from free living to substrate associated, some of them are ... Also CcrM gene has proven to be essential for the viability of various Alphaproteobacteria. CcrM is a type II DNA ... CcrM is essential in other Alphaproteobacteria but is role is not yet determined. CcrM is a highly specific methyltransferase ...
Azospirillum
The genus Azospirillum belongs in the alpha-Proteobacteria class of bacteria. Azospirillum are gram-negative, do not form ... 2014). The Prokaryotes: Alphaproteobacteria and Betaproteobacteria. Berlin, Heidelberg: Springer Berlin Heidelberg. doi:10.1007 ...
Methylobacterium-1 RNA motif
4-46, a species of alphaproteobacteria. The motif is presumed to function as a non-coding RNA. Weinberg Z, Wang JX, Bogue J, ...
Kaistiaceae
... is a family of Alphaproteobacteria. Hördt A, García López M, Meier-Kolthoff JP, Schleuning M, Weinhold L-M, Tindall ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Chelatococcaceae
... is a family of Alphaproteobacteria. Dedysh SN, Haupt ES, Dunfield PF. (2016). "Emended description of the ...
Tepidamorphaceae
... is a family of Alphaproteobacteria. The currently accepted taxonomy is based on the List of Prokaryotic names ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Ahrensiaceae
... is a family of Alphaproteobacteria. Hördt A, García López M, Meier-Kolthoff JP, Schleuning M, Weinhold L-M, ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Mitochondrion
However, the exact relationship of the ancestor of mitochondria to the alphaproteobacteria and whether the mitochondrion was ... Wang S, Luo H (June 2021). "Dating Alphaproteobacteria evolution with eukaryotic fossils". Nature Communications. 12 (1): 3324 ... "Site-and-branch-heterogeneous analyses of an expanded dataset favour mitochondria as sister to known Alphaproteobacteria". ... "Deep mitochondrial origin outside the sampled alphaproteobacteria". Nature. 557 (7703): 101-105. Bibcode:2018Natur.557..101M. ...
Pleomorphomonadaceae
... is a family of Alphaproteobacteria. The currently accepted taxonomy is based on the List of Prokaryotic ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Frontiers in Microbiology. 11: 468 ...
Lichenibacterium
... is a genus of Alphaproteobacteria. Pankratov TA, Grouzdev DS, Patutina EO, Kolganova TV, Suzina NE, ...
Ancalomicrobiaceae
... is a family of Alphaproteobacteria. Dahal RH, Chaudhary DK, Kim J. (2018). "Pinisolibacter ravus gen. nov., ...
Magnetococcales
Alphaproteobacteria, Bacteria orders, All stub articles, Alphaproteobacteria stubs). ... nov.) at the base of the Alphaproteobacteria". Int J Syst Evol Microbiol. 63 (Pt 3): 801-808. doi:10.1099/ijs.0.038927-0. PMID ... The Magnetococcales were an order of Alphaproteobacteria, but now the mitochondria are considered as sister to the ... "Dating Alphaproteobacteria evolution with eukaryotic fossils". Nature Communications. 12 (1): 3324. Bibcode:2021NatCo..12.3324W ...
Parvibaculaceae
... is a family of Alphaproteobacteria. The currently accepted taxonomy is based on the List of Prokaryotic names ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Alsobacter
... is a genus of Alphaproteobacteria. Sun L, Liu H, Chen W, Huang K, Lyu W, Gao X. (2018). "Alsobacter soli sp. nov., a ...
Siv G. E. Andersson
Sällström, B; Andersson, SG (October 2005). "Genome reduction in the alpha-Proteobacteria". Current Opinion in Microbiology. 8 ...
Magnetococcus
nov.) at the base of the Alphaproteobacteria". Int J Syst Evol Microbiol. 63 (Pt 3): 801-808. doi:10.1099/ijs.0.038927-0. PMID ... Magnetococcus is a genus of Alphaproteobacteria. List of bacterial orders List of bacteria genera Bazylinski DA, Williams TJ, ...
Devosiaceae
... is a family of Alphaproteobacteria. The currently accepted taxonomy is based on the List of Prokaryotic names with ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Frontiers in Microbiology. 11: 468 ...
Roseiarcaceae
... is a family of Alphaproteobacteria. Kulichevskaya IS, Danilova OV, Tereshina VM, Kevbrin VV, Dedysh SN. (2014). " ...
Amorphaceae
... is a family of Alphaproteobacteria. Hördt, A; García López, M; Meier-Kolthoff, JP; Schleuning, M; Weinhold, L-M; ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Stappiaceae
... is a family of Alphaproteobacteria. The currently accepted taxonomy is based on the List of Prokaryotic names with ... Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria". Front. Microbiol. 11: 468. doi: ...
Salinarimonadaceae
... is a family of Alphaproteobacteria. Cole JK, Morton BR, Cardamone HC, Lake HRR, Dohnalkova AC, Kim YM, Kyle ...
Rhodobacterales
... are an order of the Alphaproteobacteria. Gene transfer agents are viruslike elements produced by ...
The general stress response in Alphaproteobacteria - Research Collection
HOMD ::family::Alphaproteobacteria [F-1]
Hellea balneolensis gen. nov., sp. nov., a prosthecate alphaproteobacterium from the Mediterranean Sea - Université de Bretagne...
Table - Amoebae-resisting Bacteria Isolated from Human Nasal Swabs by Amoebal Coculture - Volume 10, Number 3-March 2004 -...
Ehrlichiosis: Background, Etiology, Epidemiology
A novel 11-kDa inhibitory subunit in the F1FO ATP synthase of Paracoccus denitrificans and related alpha-proteobacteria. |...
Ehrlichiosis: Background, Etiology, Epidemiology
The function and evolution of the response regulator CtrA in Rhodobacter capsulatus and Alphaproteobacteria - Memorial...
Alphaproteobacteria, Rhodobacter capsulatus, Gene transfer agent, Horizontal gene transfer, Microbiology. Department(s):. ... In this work, the distribution of ctrA in the Alphaproteobacteria was examined and evidence of horizontal gene transfer of this ... The function and evolution of the response regulator CtrA in Rhodobacter capsulatus and Alphaproteobacteria ... Using phylogenetic analyses, several instances of apparent misclassification of alphaproteobacteria to the wrong orders were ...
Open [email protected]: Albimonas donghaensis gen. nov., sp. nov., a non-photosynthetic member of the class Alphaproteobacteria...
nov., a non-photosynthetic member of the class Alphaproteobacteria isolated from seawater. Author(s). Jee Min Lim; C O Jeon; H ... nov., a non-photosynthetic member of the class Alphaproteobacteria isolated from seawater. ... strain DS2T represents a novel genus and species of the Alphaproteobacteria, for which the name Albimonas donghaensis gen. nov ... gene sequences showed that strain DS2T formed a distinct phyletic line from the genus Rubrimonas within the Alphaproteobacteria ...
DeCS - Termos Novos
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Volume 51, Issue 2 | Microbiology Society
Diazotroph Community Characterization via a High-Throughput nifH Amplicon Sequencing and Analysis Pipeline (Journal Article) |...
View source for Acetobacter - microbewiki
Sandwalk: August 2015
CAZy - Bacteria
Proteobacteria | Boundless Microbiology | | Course Hero
Describe the Alphaproteobacteria class of Proteobacteria. Key Takeaways. Key Points. *The Class Alphaproteobacteria comprises ... Alphaproteobacteria: Alphaproteobacteria is a class of Proteobacteria that are Gram-negative.. *phototroph: An organism that ... Alphaproteobacteria. Alphaproteobacteria is a class of Proteobacteria; like all Proteobacteria, they are Gram-negative.. ... Alphaproteobacteria is a class of Proteobacteria. Like all Proteobacteria, they are Gram-negative. The Alphaproteobacteria ...
Frontiers | Basalt-Hosted Microbial Communities in the Subsurface of the Young Volcanic Island of Surtsey, Iceland
Symbiogenesis - Wikipedia
Cyanobacteria and alphaproteobacteria are the most closely related free-living organisms to plastids and mitochondria ... This fossil evidence indicates that endosymbiotic acquisition of alphaproteobacteria must have occurred before 1.6 Gya. ... respectively.[23] Both cyanobacteria and alphaproteobacteria maintain a large (,6 Mb) genome encoding thousands of proteins.[23 ...
Search result - BRENDA Enzyme Database
Paul Eric Aspholm - Nibio
Publication Year: 2019 / Subject: aluminum / Subject term: biosynthesis / Text Availability: Citation in PubAg - PubAg Search...
Potential and Whole-genome Sequence-based Mechanism of Elongated-prismatic Magnetite Magnetosome Formation in Acidithiobacillus...
Table 2 showed that the mamQ gene in Alphaproteobacterium SS-4 shared 80.39% sequence identity with the possible gene in At. ... sequence identity with mamA from Alphaproteobacterium LM-1. It has been proved that the magnetosome-associated protein MamA ... of magnetosome biomineralization genes of a new genus of South-seeking magnetotactic cocci within the Alphaproteobacteria. ...
Research & Infrastructure
Alphaproteobacteria are remarkably diverse and many members of this class of bacteria are closely linked to complex life forms ... Our major bacterial model organisms belong to the Alphaproteobacteria ‒ one of the most abundant classes of bacteria on Earth. ... A family of single copy repABC-type shuttle vectors stably maintained in the alpha-proteobacterium Sinorhizobium meliloti. ACS ...
Microorganisms | Free Full-Text | Hymenolepis diminuta Reduce Lactic Acid Bacterial Load and Induce Dysbiosis in the Early...
While Alphaproteobacteria and Actinobacteria were missing in the control sample, Bacteroidia and Bacilli were missing from the ... Gammaproteobacteria constitute the abundant class in the infected sample with 68%, followed by Alphaproteobacteria (27%), while ... Fusobacteria, Gammaproteobacteria, Bacteroidia, Bacilli, Alphaproteobacteria, and Actinobacteria were the most prominent ...
The different dietary sugars modulate the composition of the gut microbiota in honeybee during overwintering | BMC Microbiology...
The presence of the supernal Alphaproteobacteria, Bifidobacteriales, and Lactobacillaceae in the gut of honeybees fed sucrose ... Sucrose increased the relative abundance of Actinobacteria (Bifidobacteriales Bifidobacteriaceae) and Alphaproteobacteria ( ... and Alphaproteobacteria (Rhizobiales). The relative abundance of Alphaproteobacteria (Rhizobiales) was higher in SHG, whereas ... HMG: Rhodospirillales Acetobacteraceae of Alphaproteobacteria was more abundant in MG; MG vs. SMG/FMG: Neisseriaceae of ...
Fundamental shift in vitamin B12 eco-physiology of a model alga demonstrated by experimental evolution | The ISME Journal
Rickettsieae | Profiles RNS
Proteobacteria1
- The divisions of the proteobacteria were once regarded as subclasses (e.g. α-subclass of the Proteobacteria), but are now regarded as classes (e.g. the Alphaproteobacteria). (coursehero.com)
Bacteria5
- Our major bacterial model organisms belong to the Alphaproteobacteria ‒ one of the most abundant classes of bacteria on Earth. (uni-marburg.de)
- Alphaproteobacteria are remarkably diverse and many members of this class of bacteria are closely linked to complex life forms. (uni-marburg.de)
- Mitochondria, the powerhouse of all eukaryotic cells, evolved from members of this class of bacteria and many intracellular pathogens and symbionts of animals, humans, plants, and other eukaryotes are Alphaproteobacteria. (uni-marburg.de)
- Anaplasma are arthropod-borne obligate intracellular bacteria in the class Alphaproteobacteria, order Rickettsiales . (vin.com)
- Container water was significantly more diverse than mosquitoes, and our data suggest that mosquitoes filter out many bacteria, with Alphaproteobacteria in particular being far more abundant in water. (cdc.gov)
Betaproteobacteria2
- These oligotrophic Alphaproteobacteria or Betaproteobacteria form symbioses with their legume hosts. (edu.au)
- The microbes that are generally found in the river are Crenarchaeota, Gammaproteobacteria, Betaproteobacteria, Alphaproteobacteria and Actinobacteria. (factslegend.org)
Genus4
- Phylogenetic analyses based on 16S rRNA gene sequences showed that strain DS2T formed a distinct phyletic line from the genus Rubrimonas within the Alphaproteobacteria. (kribb.re.kr)
- On the basis of physiological and phylogenetic properties, strain DS2T represents a novel genus and species of the Alphaproteobacteria, for which the name Albimonas donghaensis gen. nov., sp. (kribb.re.kr)
- Scientists often use Alphaproteobacteria of the genus Agrobacterium to transfer foreign DNA into plant genomes. (coursehero.com)
- nov., a new genus of photoheterotrophic Alphaproteobacteria and emended descriptions of Rhodobium , Rhodobium orientis and Rhodobium gokarnense . (dsmz.de)
Actinobacteria2
- Sucrose increased the relative abundance of Actinobacteria (Bifidobacteriales Bifidobacteriaceae ) and Alphaproteobacteria (Rhizobiales and Mitochondria ) of honeybee midgut, and honey enriched the Bacteroidetes and Gammaproteobacteria (Pasteurellales) in honeybee hindgut. (biomedcentral.com)
- Taxonomically, the majority of the bacterial associates belong to Alphaproteobacteria, although members of Acidobacteria, Actinobacteria, Bacteroidetes and Verrucomicrobia are also present. (skemman.is)
Sphingomonadales1
- Using phylogenetic analyses, several instances of apparent misclassification of alphaproteobacteria to the wrong orders were found and one candidate ctrA horizontal gene transfer event that may have occurred in an ancestral bacterium that subsequently evolved into one lineage within the order Sphingomonadales was found. (mun.ca)
Class1
- The Class Alphaproteobacteria comprises ten orders (viz. (coursehero.com)
Gene1
- In this work, the distribution of ctrA in the Alphaproteobacteria was examined and evidence of horizontal gene transfer of this gene was found. (mun.ca)
Gammaproteobacteria3
- Many members of Alphaproteobacteria and Gammaproteobacteria were affiliated with genera like Roseovarius, Idiomarina and Spiribacter which have previously been found in marine or hypersaline waters. (uib.no)
- Sequencing analysis of 71 bacterial 16S rRNA genes in xenic algal suspension identified common environmental microbiota, one strain belonging to the class Alphaproteobacteria, 17 to Betaproteobacteria, 44 to Gammaproteobacteria (dominated by Pseudomonas putida strains), and nine to Sphingobacteria. (vuzv.cz)
- ROSE RNATS were found in numerous alphaproteobacteria and gammaproteobacteria. (igem.org)
Bacteria3
- Taken together, with the additional finding that gene duplication appears to have also occurred in some magnetotactic members of the Deltaproteobacteria, our results indicate that gene duplication plays an important role in the evolution of magnetotaxis in the Alphaproteobacteria and perhaps the domain Bacteria. (archives-ouvertes.fr)
- The present study is the first report focused on magnetosome gene cluster duplication in the Alphaproteobacteria, which suggests the important role of gene duplication in the evolution of magnetotaxis in the Alphaproteobacteria and perhaps the domain Bacteria. (archives-ouvertes.fr)
- The most abundant genera of bacteria in native semen and IVF culture media were Lactobacillus, while in other samples Alphaproteobacteria prevailed. (helsinki.fi)
Phylum1
- Phylum Bacteroidetes was in negative correlation with sperm motility and Alphaproteobacteria with high-quality IVF embryos. (helsinki.fi)
Taxa2
- its members are highly diverse, some Taxa contain mitochondria, and certain Alphaproteobacteria can cause specific human (and agricultural) diseases, but nevertheless they share a common evolutionary ancestor. (genewhisperer.com)
- Among the Alphaproteobacteria are two taxa, chlamydias and rickettsias, that are obligate intracellular pathogens, meaning that part of their life cycle must occur inside other cells called host cells. (pressbooks.pub)
Caulobacterales1
- Our data suggest selection pressure results in differential positioning of CtrA phosphorelay and associated genes in alphaproteobacteria, particularly in the orders Rhodobacterales, Caulobacterales and Rhizobiales that is worth deeper investigation. (helmholtz-hzi.de)
Organisms1
- LH128 as model organisms, we analyzed the synthesis, uptake and excretion of ectoines as these alphaproteobacteria possess novel types of ect gene clusters that harbor a different set of transporter genes, and in the case of Novosphingobium , also a mscS -like mechanosensitive channel gene. (ubbcluj.ro)
Taxon1
- Chlamydia is another taxon of the Alphaproteobacteria. (pressbooks.pub)
Rickettsiales1
- Whereas most studies support the idea that mitochondria evolved from an ancestor related to Rickettsiales (an Order within Alphaproteobacteria that includes several host-associated pathogenic and endosymbiotic lineages), other studies suggest that mitochondria evolved from a free-living group. (genewhisperer.com)
Hyphomicrobiales1
- Phylogenetic analysis of the 16S rRNA gene sequences demonstrated that strain LS7-MT represented a new facultatively methylotrophic bacterium within the order Hyphomicrobiales of the class Alphaproteobacteria. (uea.ac.uk)
Species2
- Despite the fact that the origin of mitochondria in Alphaproteobacteria is generally undisputed, efforts to resolve the phylogenetic position of mitochondria in the Alphaproteobacterial species tree have failed to reach an agreement. (genewhisperer.com)
- are fastidious, facultative intracellular, pleomorphic Gram-negative bacilli included in the class Alphaproteobacteria with at least 35 validated species and three subspecies ( http://www.bacterio.net/bartonella.html) . (biomedcentral.com)
Class4
- This is the first report of methanol oxidation at 55 °C by a moderately thermophilic bacterium within the class Alphaproteobacteria. (uea.ac.uk)
- strain SH-1) within the class Alphaproteobacteria. (archives-ouvertes.fr)
- nov.) are proposed for the reception of Magnetococcus and related magnetotactic cocci, which are provisionally included in the Alphaproteobacteria as the most basal known lineage of this class. (microbiologyresearch.org)
- 12.2 % belonged to the Alphaproteobacteria class. (edu.ua)
Strain1
- strain PH10, a phototrophic alphaproteobacterium isolated from a soil sample of mangrove of Namkhana, India. (ccamp.res.in)
Phylogenetic1
- New rRNA gene-based phylogenies of the Alphaproteobacteria provide perspective on major groups, mitochondrial ancestry and phylogenetic instability. (dsmz.de)
Methanotrophs2
- These are the first Alphaproteobacteria methanotrophs discovered with this reduced functional redundancy for C-1 metabolism (i.e. sMMO only and XoxF only). (biomedcentral.com)
- Alphaproteobacteria) were active methanotrophs responsible for CH4 oxidation in grazed soils. (uea.ac.uk)
Genes2
- Connection Between Chromosomal Location and Function of CtrA Phosphorelay Genes in Alphaproteobacteria. (helmholtz-hzi.de)
- Here we asked to what extent the location of CtrA regulatory network genes might be conserved in the alphaproteobacteria. (helmholtz-hzi.de)
Oxidation1
- Genomic insights into Mn(II) oxidation by the marine alphaproteobacterium Aurantimonas sp. (nih.gov)
Caulobacter1
- In vivo Architecture of the Polar Organizing Protein Z (PopZ) Meshwork in the Alphaproteobacteria Magnetospirillum gryphiswaldense and Caulobacter crescentus. (mpg.de)
Planctomycetes1
- Using 16S rRNA gene clone library analysis we revealed that the bacterial community is dominated by Cyanobacteria, Alphaproteobacteria and an unusually high proportion of Chloroflexi, followed by Armatimonadetes and Planctomycetes, and is therefore unique compared to other living examples. (edu.au)
Genomic1
- They used genome-resolved binning of oceanic meta-genome datasets and increased the genomic sampling of Alphaproteobacteria with twelve divergent clades, plus one clade representing a sister group to all Alphaproteobacteria. (genewhisperer.com)
Lineage1
- Rather, the analyses of these authors indicate that mitochondria evolved from a proteobacterial lineage that branched off before the divergence of all sampled Alphaproteobacteria. (genewhisperer.com)
Genera1
- Table 4.2 summarizes the characteristics of important genera of Alphaproteobacteria. (pressbooks.pub)
Clade1
- It is part of the SAR11 clade, which are small, heterotrophic alphaproteobacteria, equaling to ~25% of all microbial plankton cells. (kenyon.edu)
Gene1
- The CtrA phosphorelay is a gene regulatory system conserved in most alphaproteobacteria. (helmholtz-hzi.de)
Found1
- B) With a log LDA score above 3.00, an increased abundance of OTUs was found to be contributed by Paraprevotellaceae, Mollicutes, Bacteroidales and Alphaproteobacteria among helminth-positive subjects, while helminth-negative subjects had increased abundance of Bifidobacterium. (nematode.net)