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18. Outcomes Assessment

Author

Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, Ariff, Arbakariya B., Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, and Ariff, Arbakariya B

Published
2018
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19. Conceptual Models

Author

Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, Ariff, Arbakariya B., Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, and Ariff, Arbakariya B

Published
2018
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20. Systematic Strategies

Author

Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, Ariff, Arbakariya B., Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, and Ariff, Arbakariya B

Published
2018
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21. Introduction

Author

Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, Ariff, Arbakariya B., Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, and Ariff, Arbakariya B

Published
2018
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27. Enhancing food preservation with postbiotic metabolites γ-aminobutyric acid (GABA) and bacteriocin-like inhibitory substances (BLIS) produced by Lactobacillus brevis C23 co-cultures in plant-based medium.

Author

Chuah, Wei Wei, Tan, Joo Shun, Hazwani Oslan, Siti Nur, and Bothi Raja, Pandian

Subjects
*LACTOBACILLUS brevis, *FOOD preservation, *GABA, *GLUTAMIC acid, *LACTIC acid bacteria, *FOOD preservatives
Abstract

Lactic acid bacteria (LAB) can produce γ-aminobutyric acid (GABA) with antioxidant properties and sedative effects when it binds to the GABA receptor in the human brain. LAB can also produce bacteriocin-like inhibitory substances (BLIS) with antimicrobial capabilities during carbohydrate fermentation. GABA and BLIS are natural compounds with potential health benefits and food preservation properties. Lactobacillus brevis C23 was co-cultured with three different LABs as inducers, which produced the highest GABA content and BLIS activity. They were cultured in various plant-based media to obtain an edible and better-tasting final product over commercially available media like MRS broth. A coconut-based medium with additives was optimized using response surface methodology (RSM) to increase GABA and BLIS production. The optimized medium for maximum GABA production (3.22 ± 0.01 mg/mL) and BLIS activity (84.40 ± 0.44%) was a 5.5% coconut medium containing 0.23% glucose, 1.44% Tween 20, 0.48% L-glutamic acid, and 0.02% pyridoxine. Due to the presence of GABA, the cell-free supernatant (CFS) as a postbiotic showed higher antioxidant activity than other food preservatives like nisin and potassium sorbate. Finally, microbiological tests on food samples showed that the postbiotic was more effective than other preservatives at combating the growth of LAB, molds and coliform bacteria, making it a possible food preservative. [ABSTRACT FROM AUTHOR]

Published
2024
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45. Preliminary assessment of Polytrichum commune extract as an antimicrobial soap ingredient

Author

Chan Kai Rol, Tam Yew Joon, Chong Mee Yoke, Tan Joo Shun, Sahar Abbasiliasi, Wong Kok Kee, and Ong Ghim Hock

Subjects
General Veterinary, General Agricultural and Biological Sciences, General Biochemistry, Genetics and Molecular Biology
Abstract

Mosses have long been used in traditional Chinese medicine due to the presence of secondary metabolites which have shown high biological activities. In particular, these secondary metabolites have demonstrated effective antibacterial activity against pathogenic microorganisms. In this study, the influence of different extraction solvents on the antibacterial activities of the Polytrichum commune was carried out using the disc diffusion method. Results showed that both 12.5 mg/mL of methanol moss extract and 6.25 mg/mL of ethanol moss extract were the most effective concentrations against Bacillus cereus and Pseudomonas aeruginosa. Additionally, the P. commune extracts were included as an added ingredient in soap bases to produce antibacterial soap prototypes where the effectiveness of the soaps containing the extracts in removing microorganisms from actual test individuals was carried out. Results of the thumb impression test of test individuals showed that the growth of microbial reduced after washing hands with the usage of both liquid and solid soap with the addition of P. commune extracts. Moreover, the antibacterial soaps performed better in eliminating microorganisms in comparison to control soaps without P. commune extracts. Taken together, P. commune extract could be a good candidate as a value-added ingredient utilized to produce antibacterial soaps due to its antibacterial properties.

Published
2022

48. In silico structural exploration of serine protease from a CTG-clade yeast Meyerozyma guilliermondii strain SO

Author

Lorrine, Okojie Eseoghene, Raja Abd Rahman, Raja Noor Zaliha, Tan, Joo Shun, Salleh, Abu Bakar, Oslan, Siti Nurbaya, Lorrine, Okojie Eseoghene, Raja Abd Rahman, Raja Noor Zaliha, Tan, Joo Shun, Salleh, Abu Bakar, and Oslan, Siti Nurbaya

Abstract

In eukaryotes, serine proteases are cellular localized hydrolases reported to regulate essential biological reactions. Improved industrial applications of proteins are aided by prediction and analysis of their 3-dimensional structures (3D). A serine protease was identified from CTG-clade yeast Meyerozyma guilliermondii strain SO and its 3D structure as well as its catalytic attributes have not been fully understood yet, thus we seek to report on the catalytic mechanism of M. guilliermondii strain SO MgPRB1 using substrate PMSF via in silico docking as well as its stability by way of disulfide bonds formation. Herein, bioinformatics tools and techniques were used to predict, validate and analyze the possible changes of CUG ambiguity (if any) in strain SO using template PDB ID: 3F7O. Structural assessments confirmed the classic catalytic triad Asp305, His337, and Ser499. Superimposition of MgPRB1 and template 3F7O structures revealed the unlinked cysteine residues between Cys341, Cys440, Cys471 and Cys506 of MgPRB1 compared to template 3F7O with two disulfide bonds formation, which confers structural stability. In conclusion, serine protease structure from strain SO was successfully predicted and studies towards understanding at the molecular level may be undertaken for its potential applications in the degradation of peptide bonds.

Published
2023

50. Erratum to: Cis/Transgene Optimization

Author

Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, Ariff, Arbakariya B., Kadkhodaei, Saeid, Golestan Hashemi, Farahnaz Sadat, Akhavan Rezaei, Morvarid, Abbasiliasi, Sahar, Tan, Joo Shun, Memari, Hamid Rajabi, Bande, Faruku, Baradaran, Ali, Moradpour, Mahdi, and Ariff, Arbakariya B

Published
2018
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