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An active domain HF-18 derived from hagfish intestinal peptide effectively inhibited drug-resistant bacteria in vitro/vivo. Biochem Pharmacol 2019; 172:113746. [PMID: 31812678 DOI: 10.1016/j.bcp.2019.113746] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 12/03/2019] [Indexed: 01/03/2023]
Abstract
Antibiotic resistance is spreading faster than the development of new antibiotics into clinical practice. Currently, the design of antimicrobial peptides (AMPs), potential new antibacterial agents with rare antimicrobial resistance, is the available strategy to enhance the antimicrobial activity and lower the toxicity of AMPs. In this study, a peptide derived from hagfish intestinal peptide was designed and termed as HF-18 (GFFKKAWRKVKKAFRRVL). After antimicrobial/bactericidal test in vitro, we found that HF-18 exhibited a potent antimicrobial activity with MIC of only 4 μg/ml against drug-resistant Staphylococcus aureus (S. aureus). Meanwhile, it eliminated the test bacteria within 1 h, suggesting its rapid bactericidal effect. Importantly, this peptide had no obvious hemolytic activity and cytotoxicity to mammalian cells. Furthermore, its notable antimicrobial effects in vivo was confirmed again in S. aureus induced mouse bacteremia and skin wound infection, reflecting as the decrease in bacterial counts in mouse lung or skin (up to 1.9 or 3.5 log CFU respectively), and including the inhibitory activity on inflammatory cytokines secretion. The possible mechanisms underlying HF-18 against drug-resistant S. aureus may attribute that HF-18 neutralized the negative charge in S. aureus surface and then disrupted the integrity of cell membranes to enhance the permeation of bacterial membrane, showing as the increased uptake of NPN and PI and the obvious morphology changes of S. aureus. In addition, this peptide bound to bacterial genomic DNA to suppress the expression of Panton-Valentine leukocidin (pvl) and nuclease (nuc) genes, which play major roles in S. aureus virulence. The properties of HF-18 suggest a path towards developing antibacterial agents that has stronger antibacterial activity and greater security for clinical treatment of infection induced by S. aureus, especially drug-resistant S. aureus.
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Al-Doury MKW, Hettiarachchy NS, Horax R. Rice-Endosperm and Rice-Bran Proteins: A Review. J AM OIL CHEM SOC 2018. [DOI: 10.1002/aocs.12110] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Mohammed K. W. Al-Doury
- Department of Food Science; University of Arkansas; 2650 N Young Ave., Fayetteville AR 72704 USA
| | - Navam S. Hettiarachchy
- Department of Food Science; University of Arkansas; 2650 N Young Ave., Fayetteville AR 72704 USA
| | - Ronny Horax
- Department of Food Science; University of Arkansas; 2650 N Young Ave., Fayetteville AR 72704 USA
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Taniguchi M, Saito K, Nomoto T, Namae T, Ochiai A, Saitoh E, Tanaka T. Identification and characterization of multifunctional cationic and amphipathic peptides from soybean proteins. Biopolymers 2017; 108. [PMID: 28459130 DOI: 10.1002/bip.23023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 11/08/2022]
Abstract
In this study, we identified and chemically synthesized three cationic and amphipathic peptides (Glycinin-17, BCAS-16, and BCBS-11) from soybean proteins. These peptides had high isoelectric points, high positive net charges, and included multiple hydrophobic amino acids. Subsequently, we identified multiple functions of these peptides, including antimicrobial, lipopolysaccharide-neutralizing, and angiogenic activities, and examined their cytotoxic activities against mammalian red blood cells. Glycinin-17, BCAS-16, and BCBS-11 exhibited antimicrobial activity against Porphyromonas gingivalis and Candida albicans whereas Glycinin-17 did not possess antimicrobial effects on Propionibacterium acnes and Streptococcus mutans. Membrane-depolarization assays and flow cytometric analyses showed that the antimicrobial properties of Glycinin-17, BCAS-16, and BCBS-11 against P. gingivalis, P. acnes, and S. mutans were dependent on membrane-disrupting potential. In contrast, major antimicrobial activities of these peptides against C. albicans were dependent on interactions with targets other than cell membranes. Furthermore, chromogenic Limulus amebocyte lysate assays showed that 50% effective concentrations (EC50 , 0.12-0.31 μM) of these three peptides neutralize LPS with similar potency (EC50 : 0.11 μM) to that of polymyxin B. Moreover, tube-formation assays in human umbilical vein endothelial cells showed similar angiogenic activities of the three peptides as that following treatment with LL-37. Although BCAS-16 exhibited hemolytic activity, the rate of hemolysis for Glycinin-17 and BCBS-11 in the presence of 500-μM Glycinin-17 and BCBS-11 was less than 2%. These results demonstrate that cationic and amphipathic peptides from soybean proteins, particularly Glycinin-17 and BCBS-11, have potential as multifunctional ingredients for healthcare applications.
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Affiliation(s)
- Masayuki Taniguchi
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
- Center for Transdisciplinary Research, Niigata University, Niigata, 950-2181, Japan
| | - Kengo Saito
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Takafumi Nomoto
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Toshiki Namae
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Eiichi Saitoh
- Graduate School of Technology, Niigata Institute of Technology, Niigata, 945-1195, Japan
| | - Takaaki Tanaka
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
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Neto JXS, Pereira ML, Oliveira JTA, Rocha-Bezerra LCB, Lopes TDP, Costa HPS, Sousa DOB, Rocha BAM, Grangeiro TB, Freire JEC, Monteiro-Moreira ACO, Lobo MDP, Brilhante RSN, Vasconcelos IM. A Chitin-binding Protein Purified from Moringa oleifera Seeds Presents Anticandidal Activity by Increasing Cell Membrane Permeability and Reactive Oxygen Species Production. Front Microbiol 2017. [PMID: 28634471 PMCID: PMC5459921 DOI: 10.3389/fmicb.2017.00980] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Candida species are opportunistic pathogens that infect immunocompromised and/or immunosuppressed patients, particularly in hospital facilities, that besides representing a significant threat to health increase the risk of mortality. Apart from echinocandins and triazoles, which are well tolerated, most of the antifungal drugs used for candidiasis treatment can cause side effects and lead to the development of resistant strains. A promising alternative to the conventional treatments is the use of plant proteins. M. oleifera Lam. is a plant with valuable medicinal properties, including antimicrobial activity. This work aimed to purify a chitin-binding protein from M. oleifera seeds and to evaluate its antifungal properties against Candida species. The purified protein, named Mo-CBP2, represented about 0.2% of the total seed protein and appeared as a single band on native PAGE. By mass spectrometry, Mo-CBP2 presented 13,309 Da. However, by SDS-PAGE, Mo-CBP2 migrated as a single band with an apparent molecular mass of 23,400 Da. Tricine-SDS-PAGE of Mo-CBP2 under reduced conditions revealed two protein bands with apparent molecular masses of 7,900 and 4,600 Da. Altogether, these results suggest that Mo-CBP2 exists in different oligomeric forms. Moreover, Mo-CBP2 is a basic glycoprotein (pI 10.9) with 4.1% (m/m) sugar and it did not display hemagglutinating and hemolytic activities upon rabbit and human erythrocytes. A comparative analysis of the sequence of triptic peptides from Mo-CBP2 in solution, after LC-ESI-MS/MS, revealed similarity with other M. oleifera proteins, as the 2S albumin Mo-CBP3 and flocculating proteins, and 2S albumins from different species. Mo-CBP2 possesses in vitro antifungal activity against Candida albicans, C. parapsilosis, C. krusei, and C. tropicalis, with MIC50 and MIC90 values ranging between 9.45–37.90 and 155.84–260.29 μM, respectively. In addition, Mo-CBP2 (18.90 μM) increased the cell membrane permeabilization and reactive oxygen species production in C. albicans and promoted degradation of circular plasmid DNA (pUC18) from Escherichia coli. The data presented in this study highlight the potential use of Mo-CBP2 as an anticandidal agent, based on its ability to inhibit Candida spp. growth with apparently low toxicity on mammalian cells.
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Affiliation(s)
- João X S Neto
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Mirella L Pereira
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Jose T A Oliveira
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Lady C B Rocha-Bezerra
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Tiago D P Lopes
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Helen P S Costa
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Daniele O B Sousa
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | - Bruno A M Rocha
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | | | - José E C Freire
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
| | | | - Marina D P Lobo
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil.,School of Pharmacy, University of FortalezaFortaleza, Brazil
| | - Raimunda S N Brilhante
- Department of Pathology and Legal Medicine, Federal University of CearaFortaleza, Brazil
| | - Ilka M Vasconcelos
- Department of Biochemistry and Molecular Biology, Federal University of CearaFortaleza, Brazil
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Kang W, Liu H, Ma L, Wang M, Wei S, Sun P, Jiang M, Guo M, Zhou C, Dou J. Effective antimicrobial activity of a peptide mutant Cbf-14-2 against penicillin-resistant bacteria based on its unnatural amino acids. Eur J Pharm Sci 2017; 105:169-177. [PMID: 28522372 DOI: 10.1016/j.ejps.2017.05.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 04/21/2017] [Accepted: 05/13/2017] [Indexed: 01/31/2023]
Abstract
Broad spectrum activities, a unique mode of actions and rare resistant variants make antimicrobial peptide (AMP) a potential alternative to antibiotics. However, AMPs still have limitations in clinical development due to their physiological stability, toxicity and manufacturing costs. Cbf-14, derived from cathelicidin-BF has been proven to be effective against drug-resistant bacteria. Herein, a series of Cbf-14 mutants were designed to overcome these limitations. Design strategies included substitutions of lysine (Lys) or leucine (Leu) with similar residues such as ornithine (Orn) and norleucine (Ile), which are unnatural amino acids, to generate AMPs with enhanced therapeutic potential. Antimicrobial activity, hemolytic activity and cytotoxicity against mouse spleen cells of the peptide mutants were investigated. Among all of the mutants, Cbf-14-2 was regarded as the most potent candidate with the amino acid sequence of RLLR-Orn-FFR-Orn-LKKSV-NH2, which exhibited a superior antimicrobial activity with a minimum inhibitory concentration (MIC) of 4-32μg/ml. Meanwhile, Cbf-14-2 displayed low levels of hemolysis in sheep red blood cells (sRBCs) and negligible cytotoxicity against mouse spleen cells, suggesting low toxicity against mammalian cells. A circular dichroism (CD) study indicated that Cbf-14-2 has a higher alpha-helix content than Cbf-14 (68.3% vs 35.1%) in SDS, which may contribute to its superior activity. Time-killing curves showed Cbf-14-2 can eliminate all tested bacteria within 240min, suggesting its rapid bactericidal effect. Transmission electron microscopy (TEM), flow cytometry and calcein release assays revealed its excellent antimicrobial potency by inducing membrane permeation and disruption. In addition, Cbf-14-2 (10mg/kg) could significantly elevate the survival rate of clinical strain infected mice, with a survival rate of 70.0%. Taken together, the data suggest that Cbf-14-2 possesses effective antimicrobial activity against penicillin-resistant bacteria in vitro and in vitro, thus rendering it as a potential anti-infective agent in clinical settings.
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Affiliation(s)
- Wei Kang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Hanhan Liu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Lingman Ma
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Mengxiao Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Shanshan Wei
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Pengbo Sun
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Meiling Jiang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Min Guo
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Changlin Zhou
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China.
| | - Jie Dou
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China.
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Taniguchi M, Ochiai A. Characterization and production of multifunctional cationic peptides derived from rice proteins. Biosci Biotechnol Biochem 2017; 81:634-650. [DOI: 10.1080/09168451.2016.1277944] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Abstract
Food proteins have been identified as a source of bioactive peptides. These peptides are inactive within the sequence of the parent protein and must be released during gastrointestinal digestion, fermentation, or food processing. Of bioactive peptides, multifunctional cationic peptides are more useful than other peptides that have specific activity in promotion of health and/or the treatment of diseases. We have identified and characterized cationic peptides from rice enzymes and proteins that possess multiple functions, including antimicrobial, endotoxin-neutralizing, arginine gingipain-inhibitory, and/or angiogenic activities. In particular, we have elucidated the contribution of cationic amino acids (arginine and lysine) in the peptides to their bioactivities. Further, we have discussed the critical parameters, particularly proteinase preparations and fractionation or purification, in the enzymatic hydrolysis process for producing bioactive peptides from food proteins. Using an ampholyte-free isoelectric focusing (autofocusing) technique as a tool for fractionation, we successfully prepared fractions containing cationic peptides with multiple functions.
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Affiliation(s)
- Masayuki Taniguchi
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, Japan
- Center for Transdisciplinary Research, Niigata University, Niigata, Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology, Graduate School of Science and Technology, Niigata University, Niigata, Japan
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8
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Taniguchi M, Ochiai A, Toyoda R, Sato T, Saitoh E, Kato T, Tanaka T. Effects of arginine and leucine substitutions on anti-endotoxic activities and mechanisms of action of cationic and amphipathic antimicrobial octadecapeptide from rice α
-amylase. J Pept Sci 2017; 23:252-260. [DOI: 10.1002/psc.2983] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/11/2017] [Accepted: 01/29/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Masayuki Taniguchi
- Department of Materials Science and Technology, Graduate School of Science and Technology; Niigata University; Niigata 950-2181 Japan
- Center for Transdisciplinary Research; Niigata University; Niigata 950-2181 Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology, Graduate School of Science and Technology; Niigata University; Niigata 950-2181 Japan
| | - Ryu Toyoda
- Department of Materials Science and Technology, Graduate School of Science and Technology; Niigata University; Niigata 950-2181 Japan
| | - Teppei Sato
- Department of Materials Science and Technology, Graduate School of Science and Technology; Niigata University; Niigata 950-2181 Japan
| | - Eiichi Saitoh
- Graduate School of Technology; Niigata Institute of Technology; Niigata 945-1195 Japan
| | - Tetsuo Kato
- Department of Chemistry; Tokyo Dental College; Tokyo 101-0062 Japan
| | - Takaaki Tanaka
- Department of Materials Science and Technology, Graduate School of Science and Technology; Niigata University; Niigata 950-2181 Japan
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9
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Taniguchi M, Ochiai A, Takahashi K, Nakamichi SI, Nomoto T, Saitoh E, Kato T, Tanaka T. Antimicrobial activity against Porphyromonas gingivalis and mechanism of action of the cationic octadecapeptide AmyI-1-18 and its amino acid-substituted analogs. J Biosci Bioeng 2016; 122:652-659. [DOI: 10.1016/j.jbiosc.2016.05.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 05/27/2016] [Accepted: 05/27/2016] [Indexed: 10/21/2022]
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Al-Mamun MA, Akter Z, Uddin MJ, Ferdaus KMKB, Hoque KMF, Ferdousi Z, Reza MA. Characterization and evaluation of antibacterial and antiproliferative activities of crude protein extracts isolated from the seed of Ricinus communis in Bangladesh. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:211. [PMID: 27405609 PMCID: PMC4942971 DOI: 10.1186/s12906-016-1185-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 07/01/2016] [Indexed: 12/15/2022]
Abstract
BACKGROUND Ricinus communis (Euphorbiaceae) has previously been reported to possess analgesic, antihistamine, antioxidant and anti-inflammatory activities. This study was designed for isolation, characterization and evaluation of antibacterial and anti-proliferative activities of R. communis seed protein. METHODS The concentration and molecular weight of R. communis seed protein were estimated by SDS-PAGE and spectrophotometric analysis, respectively. Lectin activity was evaluated by hemagglutination assay on mice blood. In vitro susceptibility of four human pathogenic bacteria including Escherichia coli, Pseudomonas aeruginosa, Enterobacter aerogenes and Staphylococcus aureus was detected using disk diffusion assay, and minimum inhibitory concentration (MIC) value was determined using micro-dilution method. A total of twenty four Swiss albino mice containing Ehrlich's ascites carcinoma (EAC) cells were treated with the crude protein of R. communis at 50 and 100 μg/ml/d/mouse for 6 days. Growth inhibitory activity of R. communis seed protein on EAC cells was determined by haemocytometer counting using trypan blue dye and DAPI (4΄,6-diamidino-2-phenylindole) staining was used to assess apoptotic cells. RESULTS The protein concentration of six R. communis (castor) varieties ranged between 21-35 mg/ml and molecular weight between 14-200 kDa. Castor protein agglutinated mice blood at 3.125 μg/wall. The seed protein shows considerable antimicrobial activity against E. coli, P. aeruginosa and S. aureus, exhibiting MIC values of 250, 125 and 62.5 μg/ml, respectively. Administration of seed protein led to 54 % growth inhibition of EAC cells at 100 μg/ml. DAPI staining indicates marked features of apoptosis including condensation of cytoplasm, nuclear fragmentation and aggregation of apoptotic bodies etc. CONCLUSION Our study suggests that the lectin rich R. communis seed protein has strong antibacterial and anticancer activities.
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Affiliation(s)
- M Abdulla Al-Mamun
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Zerin Akter
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Josim Uddin
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chittagong, 4203, Bangladesh
| | - K M K B Ferdaus
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - K M F Hoque
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Z Ferdousi
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - M Abu Reza
- Department of Genetic Engineering and Biotechnology, Protein Science Lab, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Taniguchi M, Ochiai A, Takahashi K, Nakamichi SI, Nomoto T, Saitoh E, Kato T, Tanaka T. Effect of alanine, leucine, and arginine substitution on antimicrobial activity against candida albicans and action mechanism of a cationic octadecapeptide derived from α-amylase of rice. Biopolymers 2016; 106:219-229. [DOI: 10.1002/bip.22817] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 01/19/2016] [Accepted: 01/27/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Masayuki Taniguchi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
- Center for Transdisciplinary Research, Niigata University; Niigata 950-2181 Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Kiyoshi Takahashi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Shun-ichi Nakamichi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Takafumi Nomoto
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Eiichi Saitoh
- Graduate School of Technology; Niigata Institute of Technology; Niigata 945-1195 Japan
| | - Tetsuo Kato
- Department of Chemistry; Tokyo Dental College; Tokyo 101-0062 Japan
| | - Takaaki Tanaka
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
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Kuddus MR, Rumi F, Tsutsumi M, Takahashi R, Yamano M, Kamiya M, Kikukawa T, Demura M, Aizawa T. Expression, purification and characterization of the recombinant cysteine-rich antimicrobial peptide snakin-1 in Pichia pastoris. Protein Expr Purif 2016; 122:15-22. [PMID: 26854372 DOI: 10.1016/j.pep.2016.02.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/18/2016] [Accepted: 02/02/2016] [Indexed: 10/22/2022]
Abstract
Snakin-1 (SN-1) is a small cysteine-rich plant antimicrobial peptide with broad spectrum antimicrobial activity which was isolated from potato (Solanum tuberosum). Here, we carried out the expression of a recombinant SN-1 in the methylotrophic yeast Pichia pastoris, along with its purification and characterization. A DNA fragment encoding the mature SN-1 was cloned into pPIC9 vector and introduced into P. pastoris. A large amount of pure recombinant SN-1 (approximately 40 mg/1L culture) was obtained from a fed-batch fermentation culture after purification with a cation exchange column followed by RP-HPLC. The identity of the recombinant SN-1 was verified by MALDI-TOF MS, CD and (1)H NMR experiments. All these data strongly indicated that the recombinant SN-1 peptide had a folding with six disulfide bonds that was identical to the native SN-1. Our findings showed that SN-1 exhibited strong antimicrobial activity against test microorganisms and produced very weak hemolysis of mammalian erythrocytes. The mechanism of its antimicrobial action against Escherichia coli was investigated by both outer membrane permeability assay and cytoplasmic membrane depolarization assay. These assays demonstrated that SN-1 is a membrane-active antimicrobial peptide which can disrupt both outer and cytoplasmic membrane integrity. This is the first report on the recombinant expression and purification of a fully active SN-1 in P. pastoris.
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Affiliation(s)
- Md Ruhul Kuddus
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Farhana Rumi
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Motosuke Tsutsumi
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Rika Takahashi
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Megumi Yamano
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Masakatsu Kamiya
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Takashi Kikukawa
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Makoto Demura
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Tomoyasu Aizawa
- Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan.
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Taniguchi M, Ochiai A, Takahashi K, Nakamichi SI, Nomoto T, Saitoh E, Kato T, Tanaka T. Antimicrobial activity and mechanism of action of a novel cationic α-helical octadecapeptide derived from α-amylase of rice. Biopolymers 2015; 104:73-83. [DOI: 10.1002/bip.22605] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/04/2014] [Accepted: 12/20/2014] [Indexed: 01/26/2023]
Affiliation(s)
- Masayuki Taniguchi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
- Center for Transdisciplinary Research; Niigata University; Niigata 950-2181 Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Kiyoshi Takahashi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Shun-ichi Nakamichi
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Takafumi Nomoto
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
| | - Eiichi Saitoh
- Graduate School of Technology, Niigata Institute of Technology; Niigata 945-1195 Japan
| | - Tetsuo Kato
- Department of Chemistry; Tokyo Dental College; Tokyo 101-0062 Japan
| | - Takaaki Tanaka
- Department of Materials Science and Technology; Graduate School of Science and Technology, Niigata University; Niigata 950-2181 Japan
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Lee H, Choi H, Ko HJ, Woo ER, Lee DG. Antifungal effect and mode of action of glochidioboside against Candida albicans membranes. Biochem Biophys Res Commun 2014; 444:30-5. [DOI: 10.1016/j.bbrc.2014.01.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 01/06/2014] [Indexed: 01/05/2023]
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