Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents
This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Biotechnology 2020.
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Brac University
2021
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| 在线阅读: | http://hdl.handle.net/10361/14499 |
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10361-144992021-06-08T21:01:24Z Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents Paul, Shuvendu Bijoy Adhikary, Swaksar Rahman, Hafsa Khanam, Farhana Siddiqee, Mahbubul H. Department of Mathematics and Natural Sciences, Brac University Bacteriophages Isolation of Bacteriophages Surface water Bacterias Biocontrol agents E. coli This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Biotechnology 2020. Catalogued from PDF version of thesis. Includes bibliographical references (page 37). E. coli of many different kinds, most of which are part of the intestine's normal flora and are thought to be comparatively harmless. However, some strains have developed pathogenicity systems, which means they can cause disease in humans and livestock. Like this harmful strain, there are some other harmful pathogenic Bacteria are found in sewage water or wastewater. Through this sewage water, this microbes can contaminate our drinking water. Which might become the cause of different intestinal disease. These can be intestinal (diarrhoea) or extraintestinal (UTI), septicaemia and pneumonia. 75% to 95% Urinary tract infection is caused by a certain type of E. coli. Some types of E. coli can produce Shiga toxin which damages the line of the intestine. This type of E. coli strain is called STEC which is short for “Shiga Toxin producing E. coli”. O157: H7 is another effective strain of E. coli which typically causes abdominal cramps, vomiting and bloody diarrhoea when it is consumed through contaminated food or water. Shigella dysenteriae spread by contaminated water causes the most severe dysentery because of its potent and deadly Shiga toxin. Typhoid fever is caused by Salmonella typhi bacteria, it infects the intestinal tract and blood. Vibrio causes vibriosis or cholera. The primary objective of this project was to isolate bacteriophage against E. coli and to recognize its different characteristics as an antimicrobial agent to determine the therapeutic potential. In this study, specific bacteriophage for all these six bacteria was isolated and characterized to develop a therapeutic agent. A total number of 60 samples were collected for the study of this experiment. The samples were collected from the wastewater of different cities of Dhaka city. The samples were initially filtered and the double layer- agar method was used for the isolation of bacteriophages. For the characterization of bacteriophages, host range specificity test, Heat stability and pH stability were checked. After examination of the host range, the most prominent bacterial hosts were ETEC, EAEC, Shiga-toxin producing E. coli (STEC), O157:H7, Klebsiella pneumonia and Shigella dysenteriae were lysed by E. coli phage. In the case of bacteriophage isolations, clear zones were observed which indicates the presence of phages. This research, therefore, adds to the increasing amount of isolated bacteriophages, especially the particular bacteriophage of E. coli. Studies on its biological features may provide helpful data and understanding to identify prospective therapeutic agents against infection with E. coli. Shuvendu Bijoy Paul Swaksar Adhikary Hafsa Rahman Farhana Khanam B. Biotechnology 2021-06-08T05:01:32Z 2021-06-08T05:01:32Z 2020 2020-12 Thesis ID: 15226002 ID: 15336003 ID: 15226011 ID: 16126009 http://hdl.handle.net/10361/14499 en_US Brac University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. 37 Pages application/pdf Brac University |
| institution |
Brac University |
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Institutional Repository |
| language |
en_US |
| topic |
Bacteriophages Isolation of Bacteriophages Surface water Bacterias Biocontrol agents E. coli |
| spellingShingle |
Bacteriophages Isolation of Bacteriophages Surface water Bacterias Biocontrol agents E. coli Paul, Shuvendu Bijoy Adhikary, Swaksar Rahman, Hafsa Khanam, Farhana Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| description |
This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Biotechnology 2020. |
| author2 |
Siddiqee, Mahbubul H. |
| author_facet |
Siddiqee, Mahbubul H. Paul, Shuvendu Bijoy Adhikary, Swaksar Rahman, Hafsa Khanam, Farhana |
| format |
Thesis |
| author |
Paul, Shuvendu Bijoy Adhikary, Swaksar Rahman, Hafsa Khanam, Farhana |
| author_sort |
Paul, Shuvendu Bijoy |
| title |
Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| title_short |
Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| title_full |
Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| title_fullStr |
Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| title_full_unstemmed |
Isolation of Bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| title_sort |
isolation of bacteriophages from surface water for some distinct bacterias and their characterization as potential biocontrol agents |
| publisher |
Brac University |
| publishDate |
2021 |
| url |
http://hdl.handle.net/10361/14499 |
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