Phage lysin that specifically eliminates Clostridium botulinum Group I cells.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
09 12 2020
09 12 2020
Historique:
received:
04
06
2020
accepted:
23
11
2020
entrez:
10
12
2020
pubmed:
11
12
2020
medline:
1
5
2021
Statut:
epublish
Résumé
Clostridium botulinum poses a serious threat to food safety and public health by producing potent neurotoxin during its vegetative growth and causing life-threatening neuroparalysis, botulism. While high temperature can be utilized to eliminate C. botulinum spores and the neurotoxin, non-thermal elimination of newly germinated C. botulinum cells before onset of toxin production could provide an alternative or additional factor controlling the risk of botulism in some applications. Here we introduce a putative phage lysin that specifically lyses vegetative C. botulinum Group I cells. This lysin, called CBO1751, efficiently kills cells of C. botulinum Group I strains at the concentration of 5 µM, but shows little or no lytic activity against C. botulinum Group II or III or other Firmicutes strains. CBO1751 is active at pH from 6.5 to 10.5. The lytic activity of CBO1751 is tolerant to NaCl (200 mM), but highly susceptible to divalent cations Ca
Identifiants
pubmed: 33299101
doi: 10.1038/s41598-020-78622-6
pii: 10.1038/s41598-020-78622-6
pmc: PMC7725837
doi:
Substances chimiques
Enzymes
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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