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- Title
Sünme (Rope) Problemi Olan Ekmeklerden İzole Edilen Bacillus Türlerinin Enterotoksin Üretme Potansiyeli.
- Authors
Erem, Fundagül; Certel, Muharrem; Budak, Barçın Karakaş
- Abstract
In this study, Bacillus species isolated from ropy bread crumb in our previous study were investigated for the production of hemolytic (Hbl) and non-hemolytic (Nhe) enterotoxins. Of the 39 isolates, only one produced both Hbl and Nhe enterotoxins, 22 produced only Hbl, 2 produced only Nhe and the remaining 14 isolates were found to produce none of the two enterotoxins. Bacillus cereus 2248, which is known to produce both Hbl and Nhe, was used as the positive control strain for the enterotoxin assays. Toxin assays were also performed for the standard strains Bacillus subtilis PY22, B. subtilis RSK 244 and B. subtilis RSK 246. It was determined that amongst these strains only B. subtilis RSK 246 has the potential of producing the Nhe enterotoxin. Furthermore, the test results of Bacillus cereus 2455/2, which is known as an emetic strain, have shown that the strain was potentially positive in terms of Nhe enterotoxin. The results showed that Bacillus strains that are responsible for rope disease in bread could produce enterotoxins.
- Subjects
BACILLUS cereus; BACILLUS subtilis; ENTEROTOXINS; BREAD crumbs; TOXINS; BETA lactamases
- Publication
Academic Food Journal / Akademik GIDA, 2020, Vol 18, Issue 1, p64
- ISSN
1304-7582
- Publication type
Article
- DOI
10.24323/akademik-gida.730168