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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lu, F. Cai, J. |
| Spatial Coverage | China |
| Description | Country affiliation: China Author Affiliation: Lu F ( School of Biosciences and Bioengineering, South China University of Technology, University City, Panyu, Guangzhou, China.) |
| Abstract | AIMS: To characterize freshwater Bdellovibrio-and-like organisms (BALO) isolated in China and examine their potential in controlling growth of Salmonella enterica ssp. enterica serovar Typhimurium on tilapia fillets. METHODS AND RESULTS: Four BALO isolates were recovered from a pond in Yanzhou of Shandong province, China, with Salm. Typhimurium as prey using double-layer agar method. Partial 16S rDNA sequencing analysis identified BD2GL, BD5GL and BDXGL as Bdellovibrio bacteriovorus and BD2GS as a Peredibacter sp. Lysis experiments on 32 potentially pathogenic strains revealed that BALO lysis rates are in the range of 56.3-65.6%. On the five Salmonella strains tested, only BD2GS achieved 100% lysis rate. When applied on tilapia fillets against Salm. Typhimurium, BD2GS showed its growth control potential. Cell increments of Salm. Typhimurium were significantly lower (P < 0.05) in two BD2GS-treated groups compared to control and low-dose group (BD2GS to prey ratio, 1 : 1) was more effective than high-dose group (BD2GS to prey ratio, 10 : 1) in controlling Salm. Typhimurium growth. CONCLUSIONS: Results of this study indicated that BD2GS could control Salm. Typhimurium growth on tilapia fillets. SIGNIFICANCE AND IMPACT OF THE STUDY: BALO could be used as a live protective culture in controlling bacterial growth and ensure food safety. |
| File Format | HTM / HTML |
| ISSN | 02668254 |
| Issue Number | 6 |
| Volume Number | 51 |
| e-ISSN | 1472765X |
| Journal | Letters in Applied Microbiology |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2010-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Microbiology Bdellovibrio Growth & Development Food Contamination Prevention & Control Food Microbiology Salmonella Typhimurium Seafood Microbiology Animals Antibiosis Classification Genetics China Dna, Bacterial Rna, Ribosomal, 16s Isolation & Purification Sequence Analysis, Dna Tilapia Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Microbiology and Biotechnology |
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