Caenimonas aquaedulcis sp. nov., isolated from freshwater of Daechung reservoir during Microcystis bloom

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Title
Caenimonas aquaedulcis sp. nov., isolated from freshwater of Daechung reservoir during Microcystis bloom
Author(s)
Ve Van Le; So-Ra Ko; S A Lee; Mingyeong Kang; Hee-Mock OhChi-Yong Ahn
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 32, no. 5, pp. 575-581
Publication Year
2022
Abstract
A Gram-stain-negative, white-coloured, and rod-shaped bacterium, strain DR4-4T, was isolated from a Daechung Reservoir, Republic of Korea, during Microcystis bloom. Strain DR4-4T was most closely related to Caenimonas terrae SGM1-15T and Caenimonas koreensis EMB320T with 98.1% 16S rRNA gene sequence similarities. The average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) values between strain DR4-4T and closely related type strains were below 79.46% and 22.30%, respectively. The genomic DNA G+C content was 67.5%. The major cellular fatty acids (>10% of the total) were identified as C16:0, cyclo C17:0, summed feature 3 (C16:1ω7c and/or C16:1ω6c), and summed feature 8 (C18:1ω7c and/or C18:1ω6c). Strain DR4-4T possessed phosphatidylethanolamine, diphosphatidylglycerol, and phosphatidylglycerol as the main polar lipids and Q-8 as the respiratory quinone. The polyamine profile was composed of putrescine, cadaverine, and spermidine. The results of polyphasic characterization indicated that the isolated strain DR4-4T represents a novel species within the genus Caenimonas, for which the name Caenimonas aquaedulcis sp. nov. is proposed. The type strain is DR4-4T (=KCTC 82470T =JCM 34453T).
Keyword
Caenimonas aquaedulcisMicrocystis aeruginosaFreshwaterPolyphasic characterization
ISSN
1017-7825
Publisher
Korea Soc-Assoc-Inst
DOI
http://dx.doi.org/10.4014/jmb.2201.01023
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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