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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Appl+Environ+Microbiol
2015 ; 81
(20
): 6964-72
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Three Novel Lantibiotics, Ticins A1, A3, and A4, Have Extremely Stable Properties
and Are Promising Food Biopreservatives
#MMPMID26231642
Xin B
; Zheng J
; Xu Z
; Li C
; Ruan L
; Peng D
; Sun M
Appl Environ Microbiol
2015[Oct]; 81
(20
): 6964-72
PMID26231642
show ga
Lantibiotics are antimicrobial peptides with potential applications as the next
generation of antimicrobials in the food industry and/or the pharmaceutical
industry. Nisin has successfully been used as a food preservative for over 40
years, but its major drawback is its limited stability under neutral and alkaline
pH conditions. To identify alternatives with better biochemical properties, we
screened more than 100 strains of the Bacillus cereus group. Three novel
lantibiotics, ticins A1 (4,062.98 Da), A3 (4,048.96 Da), and A4 (4,063.02 Da),
which were highly thermostable (121°C for 30 min) and extremely pH tolerant (pH
2.0 to 9.0), were identified in Bacillus thuringiensis BMB3201. They all showed
potent antimicrobial activities against all tested Gram-positive bacteria and
greater activities than those of nisin A against Bacillus cereus and Listeria
monocytogenes, two important foodborne pathogens. These three novel lantibiotics,
with their extremely stable properties and potent antimicrobial activities, have
the potential for use as biopreservatives.