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KMID : 0380620230550040364
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Korean Journal of Food Science and Technology
2023 Volume.55 No. 4 p.364 ~ p.369
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Genome mining of siderophore-producing bacteria Acinetobacter sp. strain AHP123
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Husna
Kim Bo-Eun
Lee Seong-Hyeon
Jeong Myeong-In
Oh Kwang-Kyo
Paik Chae-Hoon
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Abstract
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Acinetobacter sp. strain AHP123 is an intriguing bacterium exhibiting multiple plant growth-promoting traits. This study elucidated the genetic underpinnings of these traits and investigated the presence of antimicrobial resistance genes by conducting complete genome sequencing of the AHP123 strain. Genome analysis identified a gene cluster shared among various Acinetobacter species, potentially responsible for catechol siderophore biosynthesis with an amine core. AHP123 produced three novel biscatechol siderophores: propanochelin, butanochelin, and pentanochelin. The complete genome, comprising a single circular contig spanning 4,201,020bp, also revealed the presence of antibiotic resistance genes, highlighting the potential risk of cross-species transmission and infection in rhizosphere microbes, livestock, and humans.
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KEYWORD
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Acinetobacter, siderophore, genome, antimicrobial resistance genes, metabolites
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