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. 2024 Nov 19;74(11):006580. doi: 10.1099/ijsem.0.006580

Table 1. Phenotypic characteristics of strain MT-113T and MT-5T and closely related strains: Strains: 1. MT-113T; 2, MT-5T; 3, C. aromativorans WLY-B-L2T [11]; 4, C. luticellarii FW431T [10].

Characteristics 1 2 3 4
Isolation source Pit mud Pit mud Pit mud Mud cellar
Gram reaction + + + +
Cell morphology Straight rods Straight rods Straight rods Straight rods
Cell size (μm) 0.6–0.8*3.0–7.0 0.6–0.8*2.0–5.0 0.5–0.7*1.7–5.1 1–2*8–9
Temperature range (optimum) for growth (°C) 20–45 (37) 20–45 (37) 20–45 (37) 20–45 (37)
pH range (optimum) for growth 4.5–8.0 (7.0) 4.5–8.0 (6.5) 4.5–8.0 (5.5) 4.5–8.0 (5.0)
NaCl tolerance (%, w/v) 0–2.5 0–2 0–2.5 0–3
Substrates utilized:
Dulcitol − − − +
d-Fructose + + +w +
l-Fucose +w +w +w +w
d-Galactose + + − −
d-Galacturonic acid + + + +
Gentiobiose + + − −
α-d-Glucose + + − −
Glycerol +w − + +
d,l-α-Glycerol phosphate − − +w +
Lactulose +w +w − −
d-Mannose + + − −
d-Melibiose +w + − −
3-Methyl-d-glucose + + − +
α-Methyl-d-galactoside − − +w +
Palatinose + + +w +w
l-Rhamnose +w +w − −
d-Sorbitol − − +w +
Turanose +w + +w +
Glyoxylic acid +w +w − −
β-Hydroxybutyric acid + +w − +
d-Lactic acid methyl ester − − +w +
d-Malic acid − − − +
l-Malic acid − − − +
Pyruvic acid +w +w + +
Pyruvic acid methyl ester +w +w + +
l-Alanine + +w + +
l-Alanyl-l-glutamine − − + +w
l-Alanyl-l-histidine +w − + −
l-Alanyl-l-threonine − − + −
l-Methionine − +w + +
l-Phenylalanine +w +w + +
l-Serine − − + +
l-Threonine − − − +
l-Valine − − + −
l- Valine plus l-aspartic acid − +w + +w
Thymidine − − + +w
Fermentation end-products Acetic acid, butyric acid, isovaleric acid Acetic acid, isobutyric acid, butyric acid, isovaleric acid Acetic acid, isobutyric acid, butyric acid, isovaleric acid, valeric acid, hexanoic acid Acetic acid, butyric acid, isovaleric acid
Major fatty acids (>10%) C14 : 0, C16 : 0, Summed feature 1 C14 : 0, Summed feature 1, Summed feature 3 C14 : 0, C16 : 0, Summed feature 3 C14 : 0, C16 : 0
Data from genome analysis:*
Genome size (Mb) 3.21 3.66 3.88 3.75
DNA G+C (mol%) 35.84 32.74 34.2 34.97

For strains 3 and 4, most data were obtained in our study (except *, obtained from the genome data in the database [10,11]). +, positive; w+, weakly positive; −, negative.