Antibacterial and antitumor activity of Bogorol B-JX isolated from Brevibacillus laterosporus JX-5

Antimicrobial peptides are promising anti-infective agent candidates because they have a broad antimicrobial spectrum and bioactivity and are unlikely to elicit antibiotic resistance. The bogorols represent a new cationic antibiotic peptide and possess great therapeutic potential because of their bi...

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Veröffentlicht in:World journal of microbiology & biotechnology 2017-10, Vol.33 (10), p.177-177, Article 177
Hauptverfasser: Jiang, Hongxia, Ji, Chao, Sui, Junkang, Sa, Rongbo, Wang, Xiaohui, Liu, Xunli, Guo, Tai L.
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container_end_page 177
container_issue 10
container_start_page 177
container_title World journal of microbiology & biotechnology
container_volume 33
creator Jiang, Hongxia
Ji, Chao
Sui, Junkang
Sa, Rongbo
Wang, Xiaohui
Liu, Xunli
Guo, Tai L.
description Antimicrobial peptides are promising anti-infective agent candidates because they have a broad antimicrobial spectrum and bioactivity and are unlikely to elicit antibiotic resistance. The bogorols represent a new cationic antibiotic peptide and possess great therapeutic potential because of their bioactivity and precise mode of action. Here, we report that Bogorol B-JX (BBJX), a peptide previously isolated from Brevibacillus laterosporus JX-5 by us, has significant antibacterial and antitumor activities in vitro. BBJX was found to inhibit methicillin-resistant Staphylococcus aureus (MRSA) at 2.5 µg/mL with distinct mechanisms of action from those against Bacillus bombyseptieus and Escherichia coli . It penetrates MRSA membrane with little visible destruction and binds to genomic DNA. BBJX could inhibit the proliferation of human histiocytic lymphoma cell line U-937 and ConA-activated spleen cells at 5 µg/mL, but was not cytotoxic to the Jurkat cells, resting spleen cells or differentiated macrophage-like U-937 immunocytes. Moreover, BBJX caused apoptosis of U-937 cells by opening the mitochondrial permeability transition pore and stimulating the production of reactive oxygen species. Taken together, these studies provided basis for future medical application of the bogorols.
doi_str_mv 10.1007/s11274-017-2337-z
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subjects Anti-Bacterial Agents - isolation & purification
Anti-Bacterial Agents - pharmacology
Antibiotic resistance
Antibiotics
Anticancer properties
Antimicrobial agents
Antimicrobial peptides
Antineoplastic Agents - isolation & purification
Antineoplastic Agents - pharmacology
Antitumor activity
Apoptosis
Applied Microbiology
Bacillus - drug effects
Bacterial Proteins - isolation & purification
Bacterial Proteins - pharmacology
Biochemistry
Biocompatibility
Biological activity
Biomedical and Life Sciences
Biotechnology
Brevibacillus - chemistry
Cell Line, Tumor
Cell proliferation
Cell Proliferation - drug effects
Cell Survival - drug effects
Concanavalin A
Cytotoxicity
Deoxyribonucleic acid
DNA
Drug resistance
E coli
Environmental Engineering/Biotechnology
Escherichia coli - drug effects
Histiocytic lymphoma
Humans
Jurkat Cells
Life Sciences
Lymphoma
Macrophages
Membrane permeability
Methicillin
Methicillin-Resistant Staphylococcus aureus - drug effects
Microbial Sensitivity Tests
Microbiology
Mitochondrial DNA
Mitochondrial permeability transition pore
Mode of action
Original Paper
Peptides
Peptides - isolation & purification
Peptides - pharmacology
Reactive oxygen species
Spleen
Staphylococcus aureus
Staphylococcus infections
title Antibacterial and antitumor activity of Bogorol B-JX isolated from Brevibacillus laterosporus JX-5
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