PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF BIFIDOBACTERIUM ISOLATES FROM HEALTHY ADULT KOREANS

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PARK SHIN YOUNG; LEE DO KYUNG; MI AN HYANG; CHA MIN GYEONG; BAEK EUN HAE; KIM JUNG RAE; LEE SI WON; KIM MI JIN; LEE KANG OH; HA JOO NAM

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Journal: Iranian Journal of Biotechnology Year:2011 | Volume:9 | Issue:3 Page(s): 173-180

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Title

PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF BIFIDOBACTERIUM ISOLATES FROM HEALTHY ADULT KOREANS

Author(s)

Keywords

BIFIDOBACTERIUM SPECIES

HEALTHY ADULT KOREANS

PHENOTYPIC CHARACTERIZATION

GENOTYPIC CHARACTERIZATION

MINIMUM INHIBITORY CONCENTRATIONS

Abstract

A total of twenty-two strict anaerobic and Gram-positive Bifidobacteria, identified as B. adolescentis, B.pseudocatenulatum, or B. longum, were isolated from HEALTHY ADULT KOREANS. We here investigated the cell morphology, antimicrobial resistance patterns to novel antibiotics and genotypic differentiation of Bifidobacteria assessing repetitive DNA element PCR (rep-PCR) fingerprinting using the BOXA1R primer at the species level. All Bifidobacterium spp., except B.adolescentis SPM1005 and B. longum SPM1205, formed round and convex colonies. All B. adolescentis, B. pseudocatenulatum, and B. longum were opaque white glossy in colony color, and short, long, and irregular rods in morphological shape. In addition, all B.adolescentis, B. pseudocatenulatum, and B. longum formed a variety of shapes ranging from rods to Vshaped, Y-shaped, clubbed rods, or irregular. All Bifidobacterium spp., except B. adolescentis SPM0214, were sensitive to daptomycin (DAP), linezolid (LIN), and tigecycline (TIG). B. adolescentis SPM0214 was resistant to DAP. Genomic fingerprinting patterns of B. adolescentis, B. pseudocatenulatum, and B. longum were diverse and different from those of the KCTC strain. The band size of B. adolescentis, B.pseududocatenulatum, and B. longum varied from 3.0 kb to 300 bp, 2.0 kb to 200 bp, and 2.0 kb to 500 bp, respectively. In conclusion, twenty-two strains of B.adolescentis, B. pseudocatenulatum, and B. longum isolated from HEALTHY ADULT KOREANS were very diverse in both phenotype and genotype. Moreover, this diversity of phenotype and genotype may support that health promoting effects of individual strain of Bifidobacterium spp. human isolates could be different and specific even within same species.

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APA: Copy

PARK, SHIN YOUNG, LEE, DO KYUNG, MI AN, HYANG, CHA, MIN GYEONG, BAEK, EUN HAE, KIM, JUNG RAE, LEE, SI WON, KIM, MI JIN, LEE, KANG OH, & HA JOO, NAM. (2011). PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF BIFIDOBACTERIUM ISOLATES FROM HEALTHY ADULT KOREANS. IRANIAN JOURNAL OF BIOTECHNOLOGY, 9(3), 173-180. SID. https://sid.ir/paper/572302/en

Vancouver: Copy

PARK SHIN YOUNG, LEE DO KYUNG, MI AN HYANG, CHA MIN GYEONG, BAEK EUN HAE, KIM JUNG RAE, LEE SI WON, KIM MI JIN, LEE KANG OH, HA JOO NAM. PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF BIFIDOBACTERIUM ISOLATES FROM HEALTHY ADULT KOREANS. IRANIAN JOURNAL OF BIOTECHNOLOGY[Internet]. 2011;9(3):173-180. Available from: https://sid.ir/paper/572302/en

IEEE: Copy

SHIN YOUNG PARK, DO KYUNG LEE, HYANG MI AN, MIN GYEONG CHA, EUN HAE BAEK, JUNG RAE KIM, SI WON LEE, MI JIN KIM, KANG OH LEE, and NAM HA JOO, “PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF BIFIDOBACTERIUM ISOLATES FROM HEALTHY ADULT KOREANS,” IRANIAN JOURNAL OF BIOTECHNOLOGY, vol. 9, no. 3, pp. 173–180, 2011, [Online]. Available: https://sid.ir/paper/572302/en

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