Identification, Growth Profile and Probiotic Properties of Autochthonous Intestinal Bacteria of Sagor catfish (Hexanematichthys sagor)
| Autor: | Ransangan Julian, Kishio Hatai, Tung Pang Sing |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
Vibrio alginolyticus 0303 health sciences biology 030306 microbiology Vibrio harveyi Public Health Environmental and Occupational Health biology.organism_classification Antimicrobial medicine.disease_cause 01 natural sciences Applied Microbiology and Biotechnology Microbiology law.invention 03 medical and health sciences Probiotic law 010608 biotechnology Shewanella haliotis medicine Bacteria Myroides odoratimimus Catfish |
| Zdroj: | Biocontrol Science. 24:1-11 |
| ISSN: | 1884-0205 1342-4815 |
| DOI: | 10.4265/bio.24.1 |
| Popis: | The prevalence of antibiotic resistant bacteria in aquaculture has reached alarming proportions and intensified the search for microbe derived antimicrobial compounds. This study isolated bacteria from the intestine of Sagor catfish (Hexanematichthys sagor) and screened it for antagonistic properties. Five out of 334 bacterial isolates inhibited growth of fish pathogens. The 5 bacterial strains included relatives of Shewanella haliotis, Myroides odoratimimus, Vibrio harveyi, Vibrio alginolyticus and Alcaligenes faecalis. The growth profiles and probiotic properties of these bacteria were examined. The results showed that the isolate 9 (3) 7.5.2.1, whose closest relative was S. haliotis exhibited growth and probiotic advantage compared to the other bacterial strains, such as highest doubling time and the ability to survive at all experimental temperatures (18 to 60℃) , and bile concentrations (0.01 to 1.00%) and pH (pH2 to 9) . While the bacteria with probiotic properties were successfully isolated. Further study is necessary to examine the efficiency of the probiotic candidate bacteria in boosting fish immunity against pathogens. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|