Korean Journal of Microbiology

Table. 1.

Physiological and biochemical characteristics between strain 2012CJ34-3<sup>T</sup> and closely related species of the genus <italic>Jejuia</italic> and <italic>Gaetbulibacter</italic>

Strains: 1, Jejuia spongiicola 2012CJ34-3T; 2, Jejuia marina KCTC 42342T; 3, Gaetbulibacter lutimaris KCTC 23716T; 4, Gaetbulibacter aquiaggeris KCTC 42198T; 5, Gaetbulibacter marinus KCTC 23081T.

All tests were obtained in this study. All strains are positive for alkaline phosphatase, esterase (C4), leucine arylamidase, valine arylamidase, acid phosphatase and naphtol-AS-BI-phosphohydrolase. Negative for nitrate reduction, indole production, glucose acidification, arginine dihydrolase, urease, L-arabinose, N-acetyl-D-glucosamine, caprate, adipate, malate, citrate, phenyl-acetate, salicin, D-melibiose, L-fucose, D-sorbitol, valerate, L-histidine, 2-ketogluconate, 3-hydroxy-butyrate, 4-hydroxy-benzoate, L-rhamnose, D-ribose, inositol, itaconate, suberate, malonate, lactate, L-alanine, 5-ketogluconate, glycogen, 3-hydroxy-benzoate, α-galactosidase, β-glucuronidase and α-mannosidase. +, positive; w, weakly positive; -, negative.

Characteristics 1 2 3 4 5
Isolation source Sponge Beacha Sedimentb Sea waterc Sea watere
Pigmentation Pale orange Pale yellowa Strong orange yellowb Yellowc Yellowe
API 20 NE & ID 32 GN tests
β-Glucosidase (esculin hydrolysis) - - + + +
Protease (gelatin hydrolysis) + - - - -
β-Galactosidase (PNPG) - - - + -
D-Glucose + + w - +
D-Mannose - + w - +
D-Mannitol - w - - -
D-Maltose - w - - +
Gluconate - w - - -
Propionate - - - - +
L-Proline - - - - +
D-Sucrose - - - - +
Acetate + - - - +
L-Serine - - - - +
API ZYM results
Esterase lipase (C8) w + + + +
Lipase (C14) - + - - -
Cystine arylamidase - + + w +
Trypsin + - - - -
α-Chymotrypsin - + - + +
α-Glucosidase - + w + +
N-Acetyl-β-glucosaminidase + - - + -
α-Fucosidase + - w - -
G + C content (mol%) 31.6 34.2a 34.6b 36c 38.1e

*Data from a Kim et al. (2015); b Yoon et al. (2013); c Jung et al. (2016); d Yang and Cho (2008).

The DNA G + C content of strain 2012CJ34-3T was calculated from its genome.

Korean J. Microbiol. 2022;58:266-74 https://doi.org/10.7845/kjm.2022.2081
© 2022 Korean J. Microbiol.