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Abd Allah FM, Elhosiny AM, Mohamed HF, Farrag AA, Elmeleigy MA. Enhanced antimicrobial activity of lactic acid bacteria through genome shuffling and genetic variability among shuffled strains. World J Microbiol Biotechnol 2023; 39:114. [PMID: 36913158 DOI: 10.1007/s11274-023-03556-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 02/24/2023] [Indexed: 03/14/2023]
Abstract
In this investigation, lactic acid bacteria (LAB) isolated from milk were tested for their antibacterial properties and improved the antimicrobial activity of these isolates using genome shuffling. A total of sixty-one isolates were found in eleven samples, which were then tested using the agar diffusion method for their antibacterial activity against Staphylococcus aureus, Escherichia coli, Salmonella typhimurium, and Pseudomonas aeruginosa. Thirty-one strains exhibited antibacterial activity against at least one of the tested pathogens, with an inhibitory zone's diameter varying between 15.0 and 24.0 mm. Two isolates that showed the highest antimicrobial activity were identified as Lactobacillus plantarum CIP 103151 and Lactobacillus plantarum JCM 1149 according to 16S rRNA analysis. In the present study, applying genome shuffling approach significantly enhanced the antibacterial activity of L. plantarum. The initial populations were obtained via ultraviolet irradiation and were treated using the protoplast fusion method. The ideal condition for the production of protoplasts was 15 mg/ml of lysozyme and 10 μg/ml of mutanolysin. After two rounds of fusion, ten recombinants exhibited a significant increase in the inhibition zones versus S. aureus, S. typhimurium, P. aeruginosa, and E. coli, reaching up to 1.34, 1.31, 1.37, and 1.37-fold increase in inhibitory zone respectively. Random Amplified Polymorphic DNA results showed clear differences in DNA banding patterns among the wild strain of L. plantarum CIP 103151 and the three selected shuffled strains using primers 1283 & OPA09. On the other hand, no change was obtained using primers OPD03 neither among the wild strain and the three recombinant strains nor among the three shuffled strains.
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Affiliation(s)
- Fatema M Abd Allah
- Botany & Microbiology Department (Girls Branch), Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Asmaa M Elhosiny
- Botany & Microbiology Department (Girls Branch), Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Hala F Mohamed
- Botany & Microbiology Department (Girls Branch), Faculty of Science, Al-Azhar University, Cairo, Egypt. .,Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, People's Republic of China.
| | - Ayman A Farrag
- Al-Azhar Centre for Fermentation Biotechnology & Applied Microbiology, Al-Azhar University, Cairo, Egypt.,Botany & Microbiology Department (Boys Branch), Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Magda A Elmeleigy
- Botany & Microbiology Department (Girls Branch), Faculty of Science, Al-Azhar University, Cairo, Egypt.
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Hospet R, Thangadurai D, Cruz-Martins N, Sangeetha J, Anu Appaiah KA, Chowdhury ZZ, Bedi N, Soytong K, Al Tawahaj ARM, Jabeen S, Tallur MM. Genome shuffling for phenotypic improvement of industrial strains through recursive protoplast fusion technology. Crit Rev Food Sci Nutr 2021:1-10. [PMID: 34592865 DOI: 10.1080/10408398.2021.1983763] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Strains' improvement technology plays an essential role in enhancing the quality of industrial strains. Several traditional methods and modern techniques have been used to further improve strain engineering programs. The advances stated in strain engineering and the increasing demand for microbial metabolites leads to the invention of the genome shuffling technique, which ensures a specific phenotype improvement through inducing mutation and recursive protoplast fusion. In such technique, the selection of multi-parental strains with distinct phenotypic traits is crucial. In addition, as this evolutionary strain improvement technique involves combinative approaches, it does not require any gene sequence data for genome alteration and, therefore, strains developed by this elite technique will not be considered as genetically modified organisms. In this review, the different stages involved in the genome shuffling technique and its wide applications in various phenotype improvements will be addressed. Taken together, data discussed here highlight that the use of genome shuffling for strain improvement will be a plus for solving complex phenotypic traits and in promoting the rapid development of other industrially important strains.
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Affiliation(s)
| | | | - Natália Cruz-Martins
- Faculty of Medicine, University of Porto, Porto, Portugal.,Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal.,Institute of Research and Advanced Training in Health Sciences and Technologies (CESPU), Gandra PRD, Portugal
| | - Jeyabalan Sangeetha
- Department of Environmental Science, Central University of Kerala, Kasaragod, Kerala, India
| | - Konerira Aiyappa Anu Appaiah
- Department of Microbiology and Fermentation Technology, Central Food Technological Research Institute (CSIR), Mysore, Karnataka, India
| | - Zaira Zaman Chowdhury
- Nanotechnology and Catalysis Research Center (NANOCAT), Institute of Advanced Studies (IAS), University of Malaya, Kuala Lumpur, Malaysia
| | - Namita Bedi
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Kasem Soytong
- Department of Plant Production Technology, King Mongkut's Institute of Technology Ladkrabang (KMITL), Ladkrabang, Bangkok, Thailand
| | | | - Shoukat Jabeen
- Department of Botany, Karnatak University, Dharwad, Karnataka, India
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Evolutionary engineering of industrial microorganisms-strategies and applications. Appl Microbiol Biotechnol 2018; 102:4615-4627. [DOI: 10.1007/s00253-018-8937-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 03/13/2018] [Accepted: 03/13/2018] [Indexed: 10/17/2022]
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