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Metabolism-mediated induction of zinc tolerance in Brassica rapa by Burkholderia cepacia CS2-1
Sang-Mo Kang , Raheem Shahzad , Saqib Bilal , Abdul Latif Khan , Young-Hyun You , Won-Hee Lee , Hee-La Ryu , Ko-Eun Lee , In-Jung Lee
J. Microbiol. 2017;55(12):955-965.   Published online December 7, 2017
DOI: https://doi.org/10.1007/s12275-017-7305-7
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  • 12 Crossref
AbstractAbstract
Brassica rapa (Chinese cabbage) is an essential component of traditional Korean food. However, the crop is often subject to zinc (Zn+) toxicity from contaminated irrigation water, which, as a result, compromises plant growth and production, as well as the health of human consumers. The present study investigated the bioaccumulation of Zn+ by Burkholderia cepacia CS2-1 and its effect on the heavy metal tolerance of Chinese cabbage. Strain CS2-1 was identified and characterized on the basis of 16S rRNA sequences and phylogenetic analysis. The strain actively produced indole-3-acetic acid (3.08 ± 0.21 μg/ml) and was also able to produce siderophore, solubilize minerals, and tolerate various concentrations of Zn+. The heavy metal tolerance of B. rapa plants was enhanced by CS2-1 inoculation, as indicated by growth attributes, Zn+ uptake, amino acid synthesis, antioxidant levels, and endogenous hormone (ABA and SA) synthesis. Without inoculation, the application of Zn+ negatively affected the growth and physiology of B. rapa plants. However, CS2-1 inoculation improved plant growth, lowered Zn+ uptake, altered both amino acid regulation and levels of flavonoids and phenolics, and significantly decreased levels of superoxide dismutase, endogenous abscisic acid, and salicylic acid. These findings indicate that B. cepacia CS2-1 is suitable for bioremediation against Zn+-induced oxidative stress.

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  • Assessing the health of climate-sensitive trees in a subalpine ecosystem through microbial community dynamics
    Bo Ram Kang, Soo Bin Kim, Jin-Kyung Hong, Seok Hyun Ahn, Jinwon Kim, Nayeon Lee, Tae Kwon Lee
    Science of The Total Environment.2024; 957: 177724.     CrossRef
  • Exploring the Phosphate Solubilising Rhizobacteria isolated from Wild Musa Rhizosphere and their Efficacy on Growth Promotion of Phaseolus vulgaris
    Mum Tatung, Chitta Ranjan Deb
    Journal of Experimental Biology and Agricultural Sciences.2024; 12(5): 742.     CrossRef
  • Remediation of benzo[a]pyrene contaminated soils by moderate chemical oxidation coupled with microbial degradation
    Bin Chen, Jiang Xu, Huijie Lu, Lizhong Zhu
    Science of The Total Environment.2023; 871: 161801.     CrossRef
  • Assessing the Involvement of Selected Phenotypes of Pseudomonas simiae PICF7 in Olive Root Colonization and Biological Control of Verticillium dahliae
    Nuria Montes-Osuna, Carmen Gómez-Lama Cabanás, Antonio Valverde-Corredor, Roeland L. Berendsen, Pilar Prieto, Jesús Mercado-Blanco
    Plants.2021; 10(2): 412.     CrossRef
  • Ameliorative effect of indole-3-acetic acid- and siderophore-producing Leclercia adecarboxylata MO1 on cucumber plants under zinc stress
    Sang-Mo Kang, Raheem Shahzad, Muhammad Aaqil Khan, Zuhair Hasnain, Ko-Eun Lee, Hee-Soon Park, Lee-Rang Kim, In-Jung Lee
    Journal of Plant Interactions.2021; 16(1): 30.     CrossRef
  • Cadmium stress triggers significant metabolic reprogramming in Enterococcus faecium CX 2–6
    Xin Cheng, Bowen Yang, Jinfang Zheng, Hongyu Wei, Xuehuan Feng, Yanbin Yin
    Computational and Structural Biotechnology Journal.2021; 19: 5678.     CrossRef
  • Complete Genome Sequence of Pseudomonas psychrotolerans CS51, a Plant Growth-Promoting Bacterium, Under Heavy Metal Stress Conditions
    Sang-Mo Kang, Sajjad Asaf, Abdul Latif Khan, Lubna, Adil Khan, Bong-Gyu Mun, Muhammad Aaqil Khan, Humaira Gul, In-Jung Lee
    Microorganisms.2020; 8(3): 382.     CrossRef
  • The plant-growth promoting bacteria promote cadmium uptake by inducing a hormonal crosstalk and lateral root formation in a hyperaccumulator plant Sedum alfredii
    Yingjie Wu, Luyao Ma, Qizhen Liu, Mette Vestergård, Olivera Topalovic, Qiong Wang, Qiyao Zhou, Lukuan Huang, Xiaoe Yang, Ying Feng
    Journal of Hazardous Materials.2020; 395: 122661.     CrossRef
  • Effect of Ammonia and Indole-3-acetic Acid Producing Endophytic Klebsiella pneumoniae YNA12 as a Bio-Herbicide for Weed Inhibition: Special Reference with Evening Primroses
    Sang-Mo Kang, Saqib Bilal, Raheem Shahzad, Yu-Na Kim, Chang-Wook Park, Ko-Eun Lee, Jeong-Ran Lee, In-Jung Lee
    Plants.2020; 9(6): 761.     CrossRef
  • Potential role of plant growth-promoting bacteria in Miscanthus x giganteus phytotechnology applied to the trace elements contaminated soils
    Valentina Pidlisnyuk, Aigerim Mamirova, Kumar Pranaw, Pavlo Y. Shapoval, Josef Trögl, Asil Nurzhanova
    International Biodeterioration & Biodegradation.2020; 155: 105103.     CrossRef
  • Phytohormones enabled endophytic Penicillium funiculosum LHL06 protects Glycine max L. from synergistic toxicity of heavy metals by hormonal and stress-responsive proteins modulation
    Saqib Bilal, Raheem Shahzad, Abdul Latif Khan, Ahmed Al-Harrasi, Chang Kil Kim, In-Jung Lee
    Journal of Hazardous Materials.2019; 379: 120824.     CrossRef
  • Amelioration of heavy metal stress by endophytic Bacillus amyloliquefaciens RWL-1 in rice by regulating metabolic changes: potential for bacterial bioremediation
    Raheem Shahzad, Saqib Bilal, Muhammad Imran, Abdul Latif Khan, Areej Ahmed Alosaimi, Hussah Abdullah Al-Shwyeh, Hanan Almahasheer, Suriya Rehman, In-Jung Lee
    Biochemical Journal.2019; 476(21): 3385.     CrossRef
Effect of amikacin on cell wall glycopeptidolipid synthesis in Mycobacterium abscessus
So-Young Lee , Hee-Youn Kim , Byoung-Jun Kim , Hong Kim , Seung-hyeok Seok , Bum-Joon Kim , Yoon-Hoh Kook
J. Microbiol. 2017;55(8):640-647.   Published online July 28, 2017
DOI: https://doi.org/10.1007/s12275-017-6503-7
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  • 7 Crossref
AbstractAbstract
Cultivation of the smooth colony Mycobacterium abscessus at the sub-minimum inhibitory concentration (MIC) of amikacin changed its growth pattern including its colony morphology (smooth to rough) and cell arrangement (dispersed to cord formation). In addition, reduced sliding motility and biofilm formation were observed. The amount of glycogpetidolipid (GPL) and mRNA expression of key genes involved in GPL synthesis were decreased in the amikacin-treated M. abscessus strain. An in vitro infection assay revealed that the amikacin-treated smooth M. abscessus strain induced more pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) than that of the smooth strain in murine macrophage cells. These results suggest that long-term exposure to a low concentration of amikacin causes a physical change in the cell wall which may increase its virulence.

Citations

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    Mario Cocorullo, Christian Bettoni, Sara Foiadelli, Giovanni Stelitano
    Future Pharmacology.2023; 3(3): 637.     CrossRef
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    David J. Harvey
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  • The role of amikacin in the treatment of nontuberculous mycobacterial disease
    Jelmer Raaijmakers, Jodie Anne Schildkraut, Wouter Hoefsloot, Jakko van Ingen
    Expert Opinion on Pharmacotherapy.2021; 22(15): 1961.     CrossRef
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    Frontiers in Microbiology.2020;[Epub]     CrossRef
  • Glycopeptidolipids, a Double-Edged Sword of the Mycobacterium abscessus Complex
    Ana Victoria Gutiérrez, Albertus Viljoen, Eric Ghigo, Jean-Louis Herrmann, Laurent Kremer
    Frontiers in Microbiology.2018;[Epub]     CrossRef
  • Role of the Mycobacterium marinum ESX-1 Secretion System in Sliding Motility and Biofilm Formation
    Li-Yin Lai, Tzu-Lung Lin, Yi-Yin Chen, Pei-Fang Hsieh, Jin-Town Wang
    Frontiers in Microbiology.2018;[Epub]     CrossRef
Research Support, Non-U.S. Gov'ts
Profiling of the Bacteria Responsible for Pyogenic Liver Abscess by 16S rRNA Gene Pyrosequencing
Yun Gyu Song , Sang Gun Shim , Kwang Min Kim , Dong-Hae Lee , Dae-Soo Kim , Sang-Haeng Choi , Jae-Young Song , Hyung-Lyun Kang , Seung-Chul Baik , Woo-Kon Lee , Myung-Je Cho , Kwang-Ho Rhee
J. Microbiol. 2014;52(6):504-509.   Published online May 29, 2014
DOI: https://doi.org/10.1007/s12275-014-4241-7
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  • 22 Crossref
AbstractAbstract
Pyogenic liver abscess (PLA) is a severe disease with considerable mortality and is often polymicrobial. Understanding the pathogens that cause PLA is the basis for PLA treatment. Here, we profiled the bacterial composition in PLA fluid by pyrosequencing the 16S ribosomal RNA (rRNA) gene based on next-generation sequencing (NGS) technology to identify etiological agents of PLA and to provide information of their 16S rRNA sequences for application to DNA-based techniques in the hospital. Twenty patients with PLA who underwent percutaneous catheter drainage, abscess culture, and blood culture for isolates were included. Genomic DNAs from abscess fluids were subjected to polymerase chain reaction and pyrosequencing of the 16S rRNA gene with a 454 GS Junior System. The abscess and blood cultures were positive in nine (45%) and four (20%) patients, respectively. Pyrosequencing of 16S rRNA gene showed that 90% of the PLA fluid samples contained single or multiple genera of known bacteria such as Klebsiella, Fusobacterium, Streptococcus, Bacteroides, Prevotella, Peptostreptococcus, unassigned Enterobacteriaceae, and Dialister. Klebsiella was predominantly found in the PLA fluid samples. All samples that carried unassigned bacteria had 26.8% reads on average. We demonstrated that the occurrence of PLA was associated with eight known bacterial genera as well as unassigned bacteria and that 16S rRNA gene sequencing was more useful than conventional culture methods for accurate identification of bacterial pathogens from PLA.

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    Infection and Drug Resistance.2024; Volume 17: 2149.     CrossRef
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Comparative Analysis of Immune Responses to Mycobacterium abscessus Infection and Its Antigens in Two Murine Models
Bo-Young Jeon , Jeongyeon Kwak , Seung-Sub Lee , SangNae Cho , Chul Jae Won , Jin Man Kim , Sung Jae Shin
J. Microbiol. 2009;47(5):633-640.   Published online October 24, 2009
DOI: https://doi.org/10.1007/s12275-009-0139-1
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  • 10 Crossref
AbstractAbstract
Mycobacterium abscessus has been identified as an emerging pulmonary pathogen in humans. Because little is known regarding immune responses elicited by M. abscessus or its antigens, immunological responses were studied in two murine models subjected to intravenous (high-dose or systemic infection) or pulmonary (low-dose or local infection) inoculation with M. abscessus ATCC 19977. An overall comparison between the two models showed similar patterns of bacterial survival and host immune responses. The colonization of M. abscessus was the highest at 5 days post-infection (dpi) and its elimination was positively correlated with cell-mediated immunity in both challenges. However, an inverse relationship was observed between progressive inflammation and mycobacterial colonization levels in mice infected with a high dose at 14 dpi. Regarding antigens, culture filtrate (CF) of M. abscessus strongly induced IFN-γ secretion, whereas cellular extract (CE) antigen elicited strong antibody responses. The antibody response to M. abscessus antigens in mice subjected to low-dose infection increased when the cellular immune response decreased over 14 dpi. However, the antibody response for the high-dose infection increased promptly after the infection. In comparison of cytokine expression in lung homogenates after M. abscessus infection, Th1 and Th2 cytokines increased simultaneously in the high-dose infection, whereas only cell-mediated immunity developed in the low-dose pulmonary infection. These findings not only enhance our understanding of the immune response to M. abscessus infection according to systemic or pulmonary infection, but may also aid in immunological diagnosis and vaccine development.

Citations

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  • Mycobacterium abscessus biofilm cleared from murine lung by monoclonal antibody against bacterial DNABII proteins
    Joseph A. Jurcisek, Nikola Kurbatfinski, Kathryn Q. Wilbanks, Jaime D. Rhodes, Steven D. Goodman, Lauren O. Bakaletz
    Journal of Cystic Fibrosis.2025; 24(2): 374.     CrossRef
  • Virulence Mechanisms of Mycobacterium abscessus: Current Knowledge and Implications for Vaccine Design
    Kia C. Ferrell, Matt D. Johansen, James A. Triccas, Claudio Counoupas
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    Ju Mi Lee, Jiyun Park, Steven G Reed, Rhea N Coler, Jung Joo Hong, Lee-Han Kim, Wonsik Lee, Kee Woong Kwon, Sung Jae Shin
    Virulence.2022; 13(1): 808.     CrossRef
  • Species-Specific Interferon-Gamma Release Assay for the Diagnosis of Mycobacterium abscessus Complex Infection
    Mathis Steindor, Florian Stehling, Margarete Olivier, Jan Kehrmann, Margo Diricks, Florian P. Maurer, Peter A. Horn, Svenja Straßburg, Matthias Welsner, Sivagurunathan Sutharsan, Monika Lindemann
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Production of and Applications for a Polyclonal IgY Diagnostic Reagent Specific for Mycobacterium avium subsp. paratuberculosis
Sung Jae Shin , Seung-Sub Lee , Elizabeth J. B. Manning , Michael T. Collins
J. Microbiol. 2009;47(5):600-609.   Published online October 24, 2009
DOI: https://doi.org/10.1007/s12275-009-0052-7
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AbstractAbstract
Antibodies specific to the cell surface antigens of Mycobacterium avium subsp. paratuberculosis (MAP) have multiple useful applications, e.g. organism detection, immunoconcentration, and cell visualization. The aim of this study was to produce and compare polyclonal antibodies for such research and diagnostic purposes. Three polyclonal antibodies to MAP were produced using sera from immunized rabbits and chickens plus naturally infected cows. Cross-reactive antibodies in each MAP antibody preparation were removed by absorption with heterologous mycobacterial and non-mycobacterial cells. The specificity of each resulting polyclonal antibody preparation was evaluated by ELISA to multiple bacterial cell wall extract antigens. After absorption, chicken anti-MAP IgY had the highest specificity of the three antibody preparations. FITC-labeled anti-MAP IgY was used to effectively locate MAP in macrophages 12 h post-infection. Also, immuno- magnetic beads coated with anti-MAP IgY enhanced recovery of MAP from bacterial suspensions in comparison with non-antibody coated beads. Anti-MAP IgY provides a novel new reagent with broad diagnostic and research applications requiring specific concentration, detection, and quantification of MAP.
Isolation and Characterization of a Marine Algicidal Bacterium against the Harmful Raphidophyceae Chattonella marina
Yun Sook Kim , Dae-Sung Lee , Seong-Yun Jeong , Won Jae Lee , Myung-Suk Lee
J. Microbiol. 2009;47(1):9-18.   Published online February 20, 2009
DOI: https://doi.org/10.1007/s12275-008-0141-z
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AbstractAbstract
A bacterial strain named AB-4 showing algicidal activity against Chattonella marina was isolated from coastal water of Uljin, Republic of Korea. The isolated strain was identified as Bacillus sp. by culture morphology, biochemical reactions, and homology research based on 16S rDNA. The bacterial culture led to the lysis of algal cells, suggesting that the isolated strain produced a latent algal-lytic compound. Amongst changes in algicidal activity by different culture filtrate volumes, the 10% (100 ?/ml) concentration showed the biggest change in algicidal activity; there, estimated algicidal activity was 95%. The swimming movements of Chattonella marina cells were inhibited because of treatment of the bacterial culture; subsequently, Chattonella marina cells became swollen and rounded. With longer exposure time, algal cells were disrupted and cellular components lost their integrity and decomposed. The released algicide(s) were heat-tolerant and stable in pH variations, except pH 3, 4, and 5. Culture filtrate of Bacillus sp. AB-4 was toxic against harmful algae bloom (HAB) species and nontoxic against livefood organisms. Bacillus sp. AB-4 showed comparatively strong activity against Akashiwo sanguinea, Fibriocapsa japonica, Heterosigma akashiwo, and Scrippsiella trochoidea. These results suggest that the algicidal activity of Bacillus sp. AB-4 is potentially useful for controlling outbreaks of Chattonella marina.

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AbstractAbstract
We isolated phenotypic suppressors of an absB (antibiotics synthesis suppression) strain. In the absB colonies, all four antibiotics including two pigmented antibiotics were blocked so that no pigmentation could be found. We assumed that in the colonies with the wuppressive(or reversive) mutation, both pigmentation would be restored so that the strains with suppressive mutation could be cisually detected. Harvested absB spores were treated with chemical mutagen along with electric shock, and were spread on specially fromulated minimal medium plates. The pigmented colonies were isolated from the unpigmented majorities. In one candidate strain, the restoration and significant overproduction of actinorhodin and undecylprodigiosin were recognized. In three other candidate strains, the overproduction of actinorhodin and restoraion of undecylprodigiosin were observed. The production of the two unpigmented antibiotics (CDA and methylenomycin) were visualized in the tested candidate strains. The strains with wuppressive mutations would be very useful in dlucidating the regulation network of antiviotics synthesis and overproduction of the antibiotics.

Journal of Microbiology : Journal of Microbiology
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