Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi
The aim of this study was to isolate local bacteria as potential probiont in controlling the growth of pathogenic Vibrio harveyi. Eleven potential bacteria were successfully isolated from the haemolymph of four healthy Portunus pelagicus. All of the isolates were identified as Bacillus amyloliquefac...
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| Format: | Article |
| Language: | English |
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International Network for Natural Sciences
2017
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| Online Access: | http://psasir.upm.edu.my/id/eprint/61099/1/Characterization%20of%20potential%20probionts%20from%20blue%20swimming%20crab%20Portunus%20pelagicus%20and%20its%20antagonistic%20activity%20against%20Vibrio%20harveyi.pdf |
| _version_ | 1825932288344457216 |
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| author | Abdul Rahman, Noor Azrin Esa, Yuzine Md Yasin, Ina Salwany R., Suzana Masduki, Nur Fathiah Abd Karim, Murni Marlina |
| author_facet | Abdul Rahman, Noor Azrin Esa, Yuzine Md Yasin, Ina Salwany R., Suzana Masduki, Nur Fathiah Abd Karim, Murni Marlina |
| author_sort | Abdul Rahman, Noor Azrin |
| collection | UPM |
| description | The aim of this study was to isolate local bacteria as potential probiont in controlling the growth of pathogenic Vibrio harveyi. Eleven potential bacteria were successfully isolated from the haemolymph of four healthy Portunus pelagicus. All of the isolates were identified as Bacillus amyloliquefaciens by series of biochemical test using triple sugar ion test, oxidase and catalase test, followed by Internal Transcribe Spacer (ITS) gene sequence analysis. This isolate was able to inhibit the growth of V. harveyi in in-vitro screening assay by using well diffusion assay with the strong antagonistic activity from 7 to 16 mm. The potential strains at 108 CFU/ml showed highest inhibition response towards V. harveyi after co-cultured for 48 hr. The isolates produced four major extracellular enzymes which were amylase, protease, gelatinase and lipase and able to form biofilm after 24 hr of cultured. Thus, B. amyloliquefaciens showed important characteristics as probiotic which worth to be carried out for in vivo challenge assay. |
| first_indexed | 2024-03-06T09:39:40Z |
| format | Article |
| id | upm.eprints-61099 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T09:39:40Z |
| publishDate | 2017 |
| publisher | International Network for Natural Sciences |
| record_format | dspace |
| spelling | upm.eprints-610992018-09-20T03:53:35Z http://psasir.upm.edu.my/id/eprint/61099/ Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi Abdul Rahman, Noor Azrin Esa, Yuzine Md Yasin, Ina Salwany R., Suzana Masduki, Nur Fathiah Abd Karim, Murni Marlina The aim of this study was to isolate local bacteria as potential probiont in controlling the growth of pathogenic Vibrio harveyi. Eleven potential bacteria were successfully isolated from the haemolymph of four healthy Portunus pelagicus. All of the isolates were identified as Bacillus amyloliquefaciens by series of biochemical test using triple sugar ion test, oxidase and catalase test, followed by Internal Transcribe Spacer (ITS) gene sequence analysis. This isolate was able to inhibit the growth of V. harveyi in in-vitro screening assay by using well diffusion assay with the strong antagonistic activity from 7 to 16 mm. The potential strains at 108 CFU/ml showed highest inhibition response towards V. harveyi after co-cultured for 48 hr. The isolates produced four major extracellular enzymes which were amylase, protease, gelatinase and lipase and able to form biofilm after 24 hr of cultured. Thus, B. amyloliquefaciens showed important characteristics as probiotic which worth to be carried out for in vivo challenge assay. International Network for Natural Sciences 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/61099/1/Characterization%20of%20potential%20probionts%20from%20blue%20swimming%20crab%20Portunus%20pelagicus%20and%20its%20antagonistic%20activity%20against%20Vibrio%20harveyi.pdf Abdul Rahman, Noor Azrin and Esa, Yuzine and Md Yasin, Ina Salwany and R., Suzana and Masduki, Nur Fathiah and Abd Karim, Murni Marlina (2017) Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi. International Journal of Biosciences, 11 (4). 292 - 303. ISSN 2220-6655; ESSN: 2222-5234 http://www.innspub.net/wp-content/uploads/2017/11/IJB-Vol-11-No-4-p-292-303.pdf 10.12692/ijb/11.4.292-303 |
| spellingShingle | Abdul Rahman, Noor Azrin Esa, Yuzine Md Yasin, Ina Salwany R., Suzana Masduki, Nur Fathiah Abd Karim, Murni Marlina Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title | Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title_full | Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title_fullStr | Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title_full_unstemmed | Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title_short | Characterization of potential probionts from blue swimming crab Portunus pelagicus and its antagonistic activity against Vibrio harveyi |
| title_sort | characterization of potential probionts from blue swimming crab portunus pelagicus and its antagonistic activity against vibrio harveyi |
| url | http://psasir.upm.edu.my/id/eprint/61099/1/Characterization%20of%20potential%20probionts%20from%20blue%20swimming%20crab%20Portunus%20pelagicus%20and%20its%20antagonistic%20activity%20against%20Vibrio%20harveyi.pdf |
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