2012
DOI: 10.1271/bbb.110972
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Purification and Characterization of Multiple Bacteriocins and an Inducing Peptide Produced byEnterococcus faeciumNKR-5-3 from Thai Fermented Fish

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Cited by 64 publications
(57 citation statements)
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References 33 publications
(38 reference statements)
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“…To determine the minimum inhibitory concentrations (MICs) of the Ent53B Leu1 derivatives, the bacteriocins were purified from their respective phenotypes following our previously reported purification method of NKR-5-3 enterocins [22,23] and were subsequently quantified using the BCA Protein Assay kit (Thermo Scientific). The MICs were determined using the spot-on-lawn assay, as described previously [21,22], using serial dilutions of the purified bacteriocins of known concentrations against a set of indicator bacteria.…”
Section: Rna Isolation and Semi-quantitative Reverse Transcription Pcmentioning
confidence: 99%
See 1 more Smart Citation
“…To determine the minimum inhibitory concentrations (MICs) of the Ent53B Leu1 derivatives, the bacteriocins were purified from their respective phenotypes following our previously reported purification method of NKR-5-3 enterocins [22,23] and were subsequently quantified using the BCA Protein Assay kit (Thermo Scientific). The MICs were determined using the spot-on-lawn assay, as described previously [21,22], using serial dilutions of the purified bacteriocins of known concentrations against a set of indicator bacteria.…”
Section: Rna Isolation and Semi-quantitative Reverse Transcription Pcmentioning
confidence: 99%
“…Enterocin NKR-5-3B (Ent53B) is a 64-amino acid novel circular bacteriocin produced by Enterococcus faecium NKR-5-3 [21][22][23][24]. The Ent53B structural gene, enkB, encodes an 87-amino acid prepeptide, which consists of a 23-amino acid leader peptide and a 64-amino acid propeptide domain.…”
Section: Introductionmentioning
confidence: 99%
“…The genome of Enterococcus faecium NKR-5-3, isolated from pla-ra Thai fermented fish, encodes 5 enterocins, NKR-5-3 -A, B, C, D and Z and produces at least four of them, that is NKR-5-3 -A, B, C and D. Enterocin NKR-5-3C was confirmed to be a class IIa bacteriocin which exhibits potent antilisterial activity. The other bacteriocins are proposed to represent different classes but further investigations are required to establish this definitively [16,17].…”
Section: The Continuing Search For Novel Bacteriocinsmentioning
confidence: 99%
“…10) Purified enterocin y To whom correspondence should be addressed. Fax: +81-92-642-3019; E-mail: sonomoto@agr.kyushu-u.ac.jp NKR-5-3C was analyzed by electrospray ionization time-of-flight mass spectrometry and the molecular weight was determined to be 4,512.8 Da.…”
mentioning
confidence: 99%
“…and other Gram-positive species with MICs in the nanomolar range, like other class IIa bacteriocins. 10) In this study, enterocin NKR-5-3C was further investigated for structure. Purified enterocin NKR-5-3C obtained by several runs of the four-step purification procedure was analyzed for N-terminal amino acid sequence by Edman degradation with protein sequencer model PPSQ-21 (Shimadzu, Kyoto, Japan).…”
mentioning
confidence: 99%