Datapunk Opus23 | Rahnella

Rahnella

RANK: Genus

TAXONOMY: cellular organisms -> Bacteria -> Proteobacteria -> Gammaproteobacteria -> Enterobacteriales -> Enterobacteriaceae -> Rahnella

OVERVIEW:

Straight rods 0.5–0.7 × 2–3 μm, conforming to the general definition of the family Enterobacteriaceae. Gram negative, motile by peritrichous flagella when grown at 25°C. Facultatively anaerobic. Chemoorganotrophic. Psychrotolerant, growing at 4°C. d-Glucose is fermented with the production of acid and, for the majority of strains, gas. Nitrate is reduced to nitrite. Oxidase negative, catalase positive. Negative for lysine and ornithine decarboxylases and for arginine dihydrolase. Most strains are (weakly) positive for phenylalanine deaminase (after 48 h), methyl red, and Voges–Proskauer reaction. Acids are produced from various carbohydrates, including l-arabinose, cellobiose, lactose, maltose, mannose, l-rhamnose, raffinose, d-xylose, and salicin. Sequence analyses of the 16S rDNA of four Rahnella strains clearly placed the genus within the Gammaproteobacteria in the family Enterobacteriaceae. Highest 16S rDNA sequence similarity to Yersinia enterocolitica ATCC 9610T (97.7%). By omitting the hypervariable regions VI and V5 (corresponding to E. coli base positions 147–1490; Brosius et al., 1978), Hafnia alvei ATCC 13337T showed the highest sequence similarity (96.63%) to R. aquatilis ATCC 33071T. Most often isolated from fresh water, but also found in the intestine of snails and various other environmental habitats, including soils and the rhizosphere. Can occasionally be isolated from foods or human clinical specimens, including wound infections, bacteremias, feces from patients with acute gastroenteritis, and septicemia, especially from immunocompromised patients. The genus currently includes three genomospecies (R. aquatilis [Rahnella genomospecies 1], Rahnella genomospecies 2, and Rahnella genomospecies 3), which cannot be phenotypically differentiated.

The mol% G + C of the DNA is: 51–56.

Type species: Rahnella aquatilis

TAGS

Keystone	Core species	Type species	Pathogen	Dysbiosis associated	Flora/ commensal	Gut associated	Probiotic
Leanness	Obesity	Skin microbiome	Fecal distribution	Oral microbiome	Vaginal microbiome	Butyrate producer	Catalase producer
Histamine producer	Food fermenter	Amylolytic	Propionate producer	Nitrifying

DESCENDANTS Rahnella aquatilis Rahnella sp. BSP15 Rahnella sp. BSP16 Rahnella sp. BSP18 Rahnella sp. FB303 environmental samples	INTERACTIONS ENHANCES Bacteroidales Bacteroides Odoribacter Peptococcaceae INHIBITS Bifidobacterium Coriobacteriales Adlercreutzia Collinsella Porphyromonas Prevotella Clostridium Clostridiales incertae sedis Clostridiales Family XIII. Incertae Sedis Blautia Coprococcus Dorea Lachnospiraceae Ruminococcaceae Ruminococcus Dialister Campylobacteraceae Erysipelotrichaceae	KEGG PATHWAYS 2-Oxocarboxylic acid metabolism ABC transporters Acarbose and validamycin biosynthesis Alanine, aspartate and glutamate metabolism Amino sugar and nucleotide sugar metabolism Aminoacyl-tRNA biosynthesis Aminobenzoate degradation Arachidonic acid metabolism Arginine and proline metabolism Arginine biosynthesis Ascorbate and aldarate metabolism Atrazine degradation Bacterial chemotaxis Bacterial secretion system Base excision repair Benzoate degradation Biosynthesis of amino acids Biosynthesis of antibiotics Biosynthesis of secondary metabolites Biosynthesis of unsaturated fatty acids Biotin metabolism Butanoate metabolism C5-Branched dibasic acid metabolism Caprolactam degradation Carbapenem biosynthesis Carbon metabolism Cationic antimicrobial peptide (CAMP) resistance Chloroalkane and chloroalkene degradation Chlorocyclohexane and chlorobenzene degradation Citrate cycle (TCA cycle) Cyanoamino acid metabolism Cysteine and methionine metabolism D-Alanine metabolism D-Arginine and D-ornithine metabolism D-Glutamine and D-glutamate metabolism DNA replication Degradation of aromatic compounds Ether lipid metabolism Fatty acid biosynthesis Fatty acid degradation Fatty acid metabolism Flagellar assembly Fluorobenzoate degradation Folate biosynthesis Fructose and mannose metabolism Galactose metabolism Geraniol degradation Glutathione metabolism Glycerolipid metabolism Glycerophospholipid metabolism Glycine, serine and threonine metabolism Glycolysis / Gluconeogenesis Glyoxylate and dicarboxylate metabolism Histidine metabolism Homologous recombination Inositol phosphate metabolism Limonene and pinene degradation Lipoic acid metabolism Lipopolysaccharide biosynthesis Lysine biosynthesis Lysine degradation Metabolic pathways Methane metabolism Microbial metabolism in diverse environments Mismatch repair Monobactam biosynthesis Naphthalene degradation Nicotinate and nicotinamide metabolism Nitrogen metabolism Nitrotoluene degradation Nonribosomal peptide structures Novobiocin biosynthesis Nucleotide excision repair One carbon pool by folate Other glycan degradation Oxidative phosphorylation Pantothenate and CoA biosynthesis Pentose and glucuronate interconversions Pentose phosphate pathway Peptidoglycan biosynthesis Phenylalanine metabolism Phenylalanine, tyrosine and tryptophan biosynthesis Phosphonate and phosphinate metabolism Phosphotransferase system (PTS) Polyketide sugar unit biosynthesis Porphyrin and chlorophyll metabolism Propanoate metabolism Protein export Purine metabolism Pyrimidine metabolism Pyruvate metabolism Quorum sensing00253 RNA degradation RNA polymerase Riboflavin metabolism Ribosome Selenocompound metabolism Sphingolipid metabolism Starch and sucrose metabolism Streptomycin biosynthesis Sulfur metabolism Sulfur relay system Taurine and hypotaurine metabolism Terpenoid backbone biosynthesis Thiamine metabolism Toluene degradation Tryptophan metabolism Two-component system Tyrosine metabolism Ubiquinone and other terpenoid-quinone biosynthesis Valine, leucine and isoleucine biosynthesis Valine, leucine and isoleucine degradation Vancomycin resistance Vitamin B6 metabolism Xylene degradation alpha-Linolenic acid metabolism beta-Alanine metabolism beta-Lactam resistance CLUSTERS WITH	METABOLOMICS NUTRIENTS/ SUBSTRATES Iron supplements [parent] Acetoin [parent] ENDPRODUCTS 2,3-Butanediol [parent] INHIBITED BY Pomegranate ellagitannins [parent] ENHANCED BY Aspartame [parent] BIOTRANSFORMS BIOTRANFORM
ANTIBIOTIC RESISTANCE	BIOFILM FORMERS	COGEM PATHOGENICITY

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