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Jani NA, Maarof NI, Zahari MMFM, Jamil M, Zakaria II, Mohamad Zobir SZ, Kasim N, Salin NH, Mohamad Ali NA, Khalid WEFW, Pungot NH. Phytochemical profiling of the essential oils from three Curcuma species and their in vitro and in silico dengue protease inhibition activity. Nat Prod Res 2024; 38:926-932. [PMID: 37144399 DOI: 10.1080/14786419.2023.2208256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 04/20/2023] [Indexed: 05/06/2023]
Abstract
The chemical compositions, in vitro and in silico anti-dengue activity of the essential oils of the rhizomes of Curcuma longa Linn., C. aeruginosa Roxb., and C. xanthorrhiza Roxb. had been investigated. The C. longa oil was mainly composed of ar-turmerone (54.0%) and curlone (17.7%), while the C. aeruginosa oil was rich in curzerenone (23.4%), 1,8-cineole (21.2%), and camphor (7.1%). Xanthorrhizol (21.6%), β-curcumene (19.5%), ar-curcumene (14.2%), and camphor (9.2%) were the major compounds in the C. xanthorrhiza oil. Among the oils, the C. longa oil was found to be the most active NSB-NS3 protease inhibitor (IC50 1.98 μg/mL). PLS biplot disclosed that the essential oils were classified into three separated clusters based on their characteristic chemical compositions, with C. longa positioned closest to the in vitro anti-dengue activity. Four compounds from the C. longa oil have both hydrogen and hydrophobic bonds that could be responsible for the DENV-2 NS2B-NS3 inhibitory effect.
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Affiliation(s)
- Nor Akmalazura Jani
- Universiti Teknologi MARA, Cawangan Negeri Sembilan, Kampus Kuala Pilah, Kuala Pilah, Negeri Sembilan, Malaysia
| | - Noor Inani Maarof
- Universiti Teknologi MARA, Cawangan Negeri Sembilan, Kampus Kuala Pilah, Kuala Pilah, Negeri Sembilan, Malaysia
| | | | - Mailina Jamil
- Herbal Product Development Programme, Natural Products Division, Forest Research Institute Malaysia (FRIM), Kepong, Kuala Lumpur, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang, Selangor, Malaysia
| | - Siti Zuraidah Mohamad Zobir
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Halaman Bukit Gambir, Gelugor, Pulau Pinang, Malaysia
| | - Noraini Kasim
- Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
| | - Nurul Hanim Salin
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Halaman Bukit Gambir, Gelugor, Pulau Pinang, Malaysia
| | - Nor Azah Mohamad Ali
- Herbal Product Development Programme, Natural Products Division, Forest Research Institute Malaysia (FRIM), Kepong, Kuala Lumpur, Malaysia
| | | | - Noor Hidayah Pungot
- Organic Synthesis Laboratory, Institute of Science, Universiti Teknologi MARA, Bandar Puncak Alam, Selangor, Malaysia
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Khalili NSD, Khawory MH, Salin NH, Zakaria II, Hariono M, Mikhaylov AA, Kamarulzaman EE, A Wahab H, Supratman U, Nurul Azmi M. Synthesis and biological activity of imidazole phenazine derivatives as potential inhibitors for NS2B-NS3 dengue protease. Heliyon 2024; 10:e24202. [PMID: 38293469 PMCID: PMC10825487 DOI: 10.1016/j.heliyon.2024.e24202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 02/01/2024] Open
Abstract
A series of new imidazole-phenazine derivatives were synthesized via a two-step process. The condensation of 2,3-diaminophenazine and benzaldehyde derivatives proceeds with intermediate formation of an aniline Schiff base, which undergoes subsequent cyclodehydrogenation in situ. The structures of the synthesized compounds were characterized by 1D and 2D NMR, FTIR and HRMS. A total of thirteen imidazole phenazine derivatives were synthesized and validated for their inhibitory activity as anti-dengue agents by an in vitro DENV2 NS2B-NS3 protease assay using a fluorogenic Boc-Gly-Arg-Arg-AMC substrate. Two para-substituted imidazole phenazines, 3e and 3k, were found to be promising lead molecules for novel NS2B-NS3 protease inhibitors with IC50 of 54.8 μM and 71.9 μM, respectively, compared to quercetin as a control (IC50 104.8 μM). The in silico study was performed using AutoDock Vina to identify the binding energy and conformation of 3e and 3k with the active site of the DENV2 NS2B-NS3 protease Wichapong model. The results indicate better binding properties of 3e and 3k with calculated binding energies of -8.5 and -8.4 kcal mol-1, respectively, compared to the binding energy of quercetin of -7.2 kcal mol-1, which corroborates well with the experimental observations.
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Affiliation(s)
- Nur Sarah Dyana Khalili
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- Natural Products and Synthesis Organic Research Laboratory (NPSO), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
| | - Muhammad Hidhir Khawory
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Nurul Hanim Salin
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, 43000 Kajang, Selangor, Malaysia
| | - Maywan Hariono
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Andrey A. Mikhaylov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklaya St., Moscow, 117997, Russia
| | - Ezatul Ezleen Kamarulzaman
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Habibah A Wahab
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Unang Supratman
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, 45363 Jatinangor, Indonesia
| | - Mohamad Nurul Azmi
- Natural Products and Synthesis Organic Research Laboratory (NPSO), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
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Salin NH, Hariono M, Khalili NSD, Zakaria II, Saqallah FG, Mohamad Taib MNA, Kamarulzaman EE, Wahab HA, Khawory MH. Computational study of nitro-benzylidene phenazine as dengue virus-2 NS2B-NS3 protease inhibitor. Front Mol Biosci 2022; 9:875424. [PMID: 36465554 PMCID: PMC9715268 DOI: 10.3389/fmolb.2022.875424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 10/06/2022] [Indexed: 08/17/2023] Open
Abstract
According to the World Health Organisation (WHO), as of week 23 of 2022, there were more than 1,311 cases of dengue in Malaysia, with 13 deaths reported. Furthermore, there was an increase of 65.7% during the same period in 2021. Despite the increase in cumulative dengue incidence, there is no effective antiviral drug available for dengue treatment. This work aimed to evaluate several nitro-benzylidene phenazine compounds, especially those that contain 4-hydroxy-3,5-bis((2-(4-nitrophenyl)hydrazinylidene)-methyl)benzoate through pharmacophore queries selection method as potential dengue virus 2 (DENV2) NS2B-NS3 protease inhibitors. Herein, molecular docking was employed to correlate the energies of selected hits' free binding and their binding affinities. Pan assay interference compounds (PAINS) filter was also adopted to identify and assess the drug-likeness, toxicity, mutagenicity potentials, and pharmacokinetic profiles to select hit compounds that can be considered as lead DENV2 NS2B-NS3 protease inhibitors. Molecular dynamics assessment of two nitro-benzylidene phenazine derivatives bearing dinitro and hydroxy groups at the benzylidene ring showed their stability at the main binding pocket of DENV2 protease, where their MM-PBSA binding energies were between -22.53 and -17.01 kcal/mol. This work reports those two nitro-benzylidene phenazine derivatives as hits with 52-55% efficiency as antiviral candidates. Therefore, further optimisation is required to minimise the lead compounds' toxicity and mutagenicity.
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Affiliation(s)
- Nurul Hanim Salin
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Maywan Hariono
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Nur Sarah Dyana Khalili
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Chemical Sciences, Universiti Sains Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, Kajang, Selangor, Malaysia
| | - Fadi G. Saqallah
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Pulau Pinang, Malaysia
| | | | | | - Habibah A. Wahab
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Muhammad Hidhir Khawory
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
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Radzlin N, Yaakop AS, Goh KM, Liew KJ, Zakaria II, Kahar UM. Genome Analysis of Celeribacter sp. PS-C1 Isolated from Sekinchan Beach in Selangor, Malaysia, Reveals Its β-Glucosidase and Licheninase Activities. Microorganisms 2022; 10:microorganisms10020410. [PMID: 35208867 PMCID: PMC8874975 DOI: 10.3390/microorganisms10020410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 11/16/2022] Open
Abstract
A halophilic marine bacterial strain, PS-C1, was isolated from Sekinchan beach in Selangor, Malaysia. The 16S rRNA gene sequence analysis indicated that strain PS-C1 was associated with the genus Celeribacter. To date, there have been no reports on enzymes from the genus Celeribacter. The present study reports on the cellular features of Celeribacter sp. PS-C1, its annotated genome sequence, and comparative genome analyses of Celeribacter glycoside hydrolase (GH) enzymes. The genome of strain PS-C1 has a size of 3.87 Mbp and a G+C content of 59.10%, and contains 3739 protein-coding genes. Detailed analysis using the Carbohydrate-Active enZYmes (CAZy) database revealed that Celeribacter genomes harboured at least 12 putative genes encoding industrially important GHs that are grouped as cellulases, β-glucanases, hemicellulases, and starch-degrading enzymes. Herein, the potential applications of these enzymes are discussed. Furthermore, the activities of two types of GHs (β-glucosidase and licheninase) in strain PS-C1 were demonstrated. These findings suggest that strain PS-C1 could be a reservoir of novel GH enzymes for lignocellulosic biomass degradation.
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Affiliation(s)
- Nurfatini Radzlin
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang 43000, Selangor, Malaysia; (N.R.); (I.I.Z.)
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Amira Suriaty Yaakop
- School of Biological Sciences, Universiti Sains Malaysia, Minden 11800, Pulau Pinang, Malaysia
- Correspondence: (A.S.Y.); (U.M.K.)
| | - Kian Mau Goh
- Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia; (K.M.G.); (K.J.L.)
| | - Kok Jun Liew
- Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia; (K.M.G.); (K.J.L.)
| | - Iffah Izzati Zakaria
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang 43000, Selangor, Malaysia; (N.R.); (I.I.Z.)
| | - Ummirul Mukminin Kahar
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang 43000, Selangor, Malaysia; (N.R.); (I.I.Z.)
- Correspondence: (A.S.Y.); (U.M.K.)
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Jaapar FN, Parmin NA, Halim NHA, Hashim U, Gopinath SCB, Halim FS, Ruslinda AR, Voon CH, Uda MNA, Uda MNA, Nadzirah S, Rejali Z, Afzan A, Zakaria II. Designing DNA probe from HPV 18 and 58 in the E6 region for sensing element in the development of genosensor-based gold nanoparticles. Biotechnol Appl Biochem 2021; 69:1966-1983. [PMID: 34554606 DOI: 10.1002/bab.2260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/19/2021] [Indexed: 11/09/2022]
Abstract
The E6 region has higher protuberant probability annealing than consensus probe focusing on another region in the human papillomavirus (HPV) genome in terms of detection and screening method. Here, we designed the first multiple virus single-stranded deoxyribonucleic acid (ssDNA) for multiple detections in an early phase of screening for cervical cancer in the E6 region and became a fundamental evolution of detection electrochemical HPV biosensor. Gene profiling of the virus ssDNA sequences has been carried by high-end bioinformatics tools such as GenBank, Basic Local Alignment Searching Tools (BLAST), and Clustal OMEGA in a row. The output from bioinformatics tools resulted in 100% of similarities between our virus ssDNA probe and HPV complete genome in the databases. The cross-validation between HPV genome and our designed virus ssDNA provided high specificity and selectivity during screening methods compared with Pap smear. The DNA probe for HPV 18, 5' COOH-GAT CCA GAA GGT ACA GAC GGG GAG GGC ACG 3', while 5'COOH-GGG CGC TGT GCA GTG TGT TGG AGA CCC CGA3' as DNA probe for HPV 58 designed with 66.77% guanine (G) and cytosine (C) content for both. Our virus ssDNA probe for the HPV biosensor promises high sensitivity, specificity, selectivity, repeatability, low fluid consumption, and will be useful in mini-size diagnostic devices for cervical cancer detection.
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Affiliation(s)
- F Nadhirah Jaapar
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - N A Parmin
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - N Hamidah A Halim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - Uda Hashim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - Subash C B Gopinath
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia.,Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, 02600, Malaysia
| | - F Syakirah Halim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - A Rahim Ruslinda
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - C H Voon
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - M N A Uda
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - M N Afnan Uda
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - Sh Nadzirah
- Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia
| | - Zulida Rejali
- Department of Obstetrics and Gynaecology, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Amilia Afzan
- Department of Obstetrics and Gynaecology, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome Institute (MGI), National Institute of Biotechnology (NIBM), Kajang, Selangor, Malaysia
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Halim FS, Parmin NA, Hashim U, Gopinath SCB, Dahalan FA, Zakaria II, Ang WC, Jaapar NF. MicroRNA of N-region from SARS-CoV-2: Potential sensing components for biosensor development. Biotechnol Appl Biochem 2021; 69:1696-1711. [PMID: 34378814 PMCID: PMC8427135 DOI: 10.1002/bab.2239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/30/2021] [Indexed: 12/29/2022]
Abstract
An oligonucleotide DNA probe has been developed for the application in the DNA electrochemical biosensor for the early diagnosis of coronavirus disease (COVID-19). Here, the virus microRNA from the N-gene of severe acute respiratory syndrome-2 (SARS-CoV-2) was used for the first time as a specific target for detecting the virus and became a framework for developing the complementary DNA probe. The sequence analysis of the virus microRNA was carried out using bioinformatics tools including basic local alignment search tools, multiple sequence alignment from CLUSTLW, microRNA database (miRbase), microRNA target database, and gene analysis. Cross-validation of distinct strains of coronavirus and human microRNA sequences was completed to validate the percentage of identical and consent regions. The percent identity parameter from the bioinformatics tools revealed the virus microRNAs' sequence has a 100% match with the genome of SARS-CoV-2 compared with other coronavirus strains, hence improving the selectivity of the complementary DNA probe. The 30 mer with 53.0% GC content of complementary DNA probe 5' GCC TGA GTT GAG TCA GCA CTG CTC ATG GAT 3' was designed and could be used as a bioreceptor for the biosensor development in the clinical and environmental diagnosis of COVID-19.
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Affiliation(s)
- Fatin Syakirah Halim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - N A Parmin
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - Uda Hashim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
| | - Subash C B Gopinath
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia.,Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, 02600, Malaysia
| | - Farrah Aini Dahalan
- Faculty of Civil Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, 02600, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome Institute (MGI), National Institute of Biotechnology (NIBM), Kajang, Selangor, Malaysia
| | - Wei Chern Ang
- Clinical Research Centre, Ministry of Health Malaysia, Hospital Tuanku Fauziah Perlis, Kangar, Perlis, 01000, Malaysia
| | - Nurfareezah Fareezah Jaapar
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia
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Salin NH, Noordin R, Al-Najjar BO, Kamarulzaman EE, Yunus MH, Karim IZA, Nasim NNM, Zakaria II, Wahab HA. Identification of potential dual -targets anti- toxoplasma gondii compounds through structure-based virtual screening and in-vitro studies. PLoS One 2020; 15:e0225232. [PMID: 32442170 PMCID: PMC7244133 DOI: 10.1371/journal.pone.0225232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/23/2020] [Indexed: 11/18/2022] Open
Abstract
Toxoplasma gondii is the etiologic agent of toxoplasmosis, a disease which can lead to morbidity and mortality of the fetus and immunocompromised individuals. Due to the limited effectiveness or side effects of existing drugs, the search for better drug candidates is still ongoing. In this study, we performed structure-based screening of potential dual-targets inhibitors of active sites of T. gondii drug targets such as uracil phosphoribosyltransferase (UPRTase) and adenosine kinase (AK). First screening of virtual compounds from the National Cancer Institute (NCI) was performed via molecular docking. Subsequently, the hit compounds were tested in-vitro for anti- T. gondii effect using cell viability assay with Vero cells as host to determine cytotoxicity effects and drug selectivities. Clindamycin, as positive control, showed a selectivity index (SI) of 10.9, thus compounds with SI > 10.9 specifically target T. gondii proliferation with no significant effect on the host cells. Good anti- T. gondii effects were observed with NSC77468 (7-ethoxy-4-methyl-6,7-dihydro-5H-thiopyrano[2,3-d]pyrimidin-2-amine) which showed SI values of 25. This study showed that in-silico selection can serve as an effective way to discover potentially potent and selective compounds against T. gondii.
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Affiliation(s)
- Nurul Hanim Salin
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Rahmah Noordin
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | - Belal O. Al-Najjar
- Faculty of Pharmacy Al-Ahliyya Amman, University Amman Jordan, Amman, Jordan
| | | | - Muhammad Hafiznur Yunus
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | | | - Nurul Nadieya Mohd Nasim
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Iffah Izzati Zakaria
- Synthetic Biology & Cell Factories, Malaysia Genome Institute, National Institutes of Biotechnology Malaysia, Selangor, Gelugor, Malaysia
| | - Habibah A. Wahab
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
- * E-mail:
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Mohd Nesfu NZ, Laurain-Mattar D, Kamarulzaman EE, A. Wahab H, Zakaria II, Hassan MZ, Brosse N, Osman H. The In-silico Studies of Benzylidene Indanone Derivatives Towards Dengue Virus Type-2 NS2B/NS3 Protease. JPS 2019. [DOI: 10.21315/jps2019.30.s2.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Goh KM, Shahar S, Chan KG, Chong CS, Amran SI, Sani MH, Zakaria II, Kahar UM. Current Status and Potential Applications of Underexplored Prokaryotes. Microorganisms 2019; 7:E468. [PMID: 31635256 PMCID: PMC6843859 DOI: 10.3390/microorganisms7100468] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/05/2019] [Accepted: 10/08/2019] [Indexed: 12/20/2022] Open
Abstract
Thousands of prokaryotic genera have been published, but methodological bias in the study of prokaryotes is noted. Prokaryotes that are relatively easy to isolate have been well-studied from multiple aspects. Massive quantities of experimental findings and knowledge generated from the well-known prokaryotic strains are inundating scientific publications. However, researchers may neglect or pay little attention to the uncommon prokaryotes and hard-to-cultivate microorganisms. In this review, we provide a systematic update on the discovery of underexplored culturable and unculturable prokaryotes and discuss the insights accumulated from various research efforts. Examining these neglected prokaryotes may elucidate their novelties and functions and pave the way for their industrial applications. In addition, we hope that this review will prompt the scientific community to reconsider these untapped pragmatic resources.
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Affiliation(s)
- Kian Mau Goh
- Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia.
| | - Saleha Shahar
- Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia.
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Science, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
- International Genome Centre, Jiangsu University, ZhenJiang 212013, China.
| | - Chun Shiong Chong
- Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia.
| | - Syazwani Itri Amran
- Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia.
| | - Mohd Helmi Sani
- Faculty of Science, Universiti Teknologi Malaysia, Skudai 81310, Johor, Malaysia.
| | - Iffah Izzati Zakaria
- Malaysia Genome Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang 43000, Selangor, Malaysia.
| | - Ummirul Mukminin Kahar
- Malaysia Genome Institute, National Institutes of Biotechnology Malaysia, Jalan Bangi, Kajang 43000, Selangor, Malaysia.
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Ezeilo UR, Lee CT, Huyop F, Zakaria II, Wahab RA. Raw oil palm frond leaves as cost-effective substrate for cellulase and xylanase productions by Trichoderma asperellum UC1 under solid-state fermentation. J Environ Manage 2019; 243:206-217. [PMID: 31096173 DOI: 10.1016/j.jenvman.2019.04.113] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 04/26/2019] [Accepted: 04/27/2019] [Indexed: 06/09/2023]
Abstract
Production of cellulases and xylanase by a novel Trichoderma asperellum UC1 (GenBank accession no. MF774876) under solid state fermentation (SSF) of raw oil palm frond leaves (OPFL) was optimized. Under optimum fermentation parameters (30 °C, 60-80% moisture content, 2.5 × 106 spores/g inoculum size) maximum CMCase, FPase, β-glucosidase and xylanase activity were recorded at 136.16 IU/g, 26.03 U/g, 130.09 IU/g and 255.01 U/g, respectively. Cellulases and xylanase were produced between a broad pH range of pH 6.0-12.0. The enzyme complex that comprised of four endo-β-1,4-xylanases and endoglucanases, alongside exoglucanase and β-glucosidase showed thermophilic and acidophilic characteristics at 50-60 °C and pH 3.0-4.0, respectively. Glucose (16.87 mg/g) and fructose (18.09 mg/g) were among the dominant sugar products from the in situ hydrolysis of OPFL, aside from cellobiose (105.92 mg/g) and xylose (1.08 mg/g). Thermal and pH stability tests revealed that enzymes CMCase, FPase, β-glucosidase and xylanase retained 50% residual activities for up to 15.18, 4.06, 17.47 and 15.16 h of incubation at 60 °C, as well as 64.59, 25.14, 68.59 and 19.20 h at pH 4.0, respectively. Based on the findings, it appeared that the unique polymeric structure of raw OPFL favored cellulases and xylanase productions.
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Affiliation(s)
- Uchenna R Ezeilo
- Faculty of Bioscience and Medical Engineering, Department of Biotechnology and Medical Engineering, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia; Department of Chemistry/Biochemistry, Federal University Ndufu-Alike Ikwo, PMB, 1010, Ebonyi State, Nigeria; Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia
| | - Chew Tin Lee
- School of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia; Innovation Centre in Agritechnology for Advanced Bioprocessing, UTM Pagoh, Hub Pendidikan Tinggi Pagoh, 84600, Pagoh, Johor. Malaysia
| | - Fahrul Huyop
- Faculty of Bioscience and Medical Engineering, Department of Biotechnology and Medical Engineering, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia; Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia
| | - Iffah Izzati Zakaria
- Natural Products and Drug Discovery Center, Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institute of Biotechnology Malaysia, Ministry of Science, Technology and Innovation, Block 5-A, Halaman Bukit Gambir, 11700, Pulau Pinang, Malaysia
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia; Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Malaysia.
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Zakaria II, Salin NH, Amanah A, Othman S, Khairuddin F, Khawory MH, Wahab RA, Rahaman MRA, Chern PP, Johari NA, Wahab H. Potential anti-viral compounds from Malaysian Plant Natural Product Repository and Database (MyNature50000) for DENV2. BIOTECHNOL BIOTEC EQ 2019. [DOI: 10.1080/13102818.2019.1578184] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Iffah Izzati Zakaria
- Natural Product and Drug Discovery Centre, Malaysian Institute of Pharmaceuticals and Nutraceuticals, Ministry of Science, Technology and Innovation, Gelugor, Malaysia
| | - Nurul Hanim Salin
- Natural Product and Drug Discovery Centre, Malaysian Institute of Pharmaceuticals and Nutraceuticals, Ministry of Science, Technology and Innovation, Gelugor, Malaysia
| | - Azimah Amanah
- Natural Product and Drug Discovery Centre, Malaysian Institute of Pharmaceuticals and Nutraceuticals, Ministry of Science, Technology and Innovation, Gelugor, Malaysia
| | - Shatrah Othman
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Farahayu Khairuddin
- Protein Expression and Purification Unit, Malaysia Genome Institute, Kajang, Malaysia
| | - Muhammad Hidhir Khawory
- Natural Product and Drug Discovery Centre, Malaysian Institute of Pharmaceuticals and Nutraceuticals, Ministry of Science, Technology and Innovation, Gelugor, Malaysia
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| | | | - Pua Pei Chern
- Faculty of Biotechnology, International Manipal University, Nilai, Malaysia
| | - Nor Azfa Johari
- Protein Expression and Purification Unit, Malaysia Genome Institute, Kajang, Malaysia
| | - Habibah Wahab
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Malaysia
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Ezeilo UR, Zakaria II, Huyop F, Wahab RA. Enzymatic breakdown of lignocellulosic biomass: the role of glycosyl hydrolases and lytic polysaccharide monooxygenases. BIOTECHNOL BIOTEC EQ 2017. [DOI: 10.1080/13102818.2017.1330124] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Isah AA, Mahat NA, Jamalis J, Attan N, Zakaria II, Huyop F, Wahab RA. Synthesis of geranyl propionate in a solvent-free medium using Rhizomucor miehei lipase covalently immobilized on chitosan–graphene oxide beads. Prep Biochem Biotechnol 2016; 47:199-210. [DOI: 10.1080/10826068.2016.1201681] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Abdurrahman Adamu Isah
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Naji Arafat Mahat
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Joazaizulfazli Jamalis
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Nursyafreena Attan
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Iffah Izzati Zakaria
- Natural Product and Drug Discovery, Malaysian Institute of Pharmaceuticals and Nutraceuticals, Gelugor, Pulau Pinang, Malaysia
| | - Fahrul Huyop
- Department of Biotechnology and Medical Engineering, Faculty of Biosciences and Medical Engineering, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
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Rahman RNZRA, Zakaria II, Salleh AB, Basri M. Enzymatic properties and mutational studies of chalcone synthase from Physcomitrella patens. Int J Mol Sci 2012; 13:9673-9691. [PMID: 22949824 PMCID: PMC3431822 DOI: 10.3390/ijms13089673] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 07/06/2012] [Accepted: 07/09/2012] [Indexed: 12/03/2022] Open
Abstract
PpCHS is a member of the type III polyketide synthase family and catalyses the synthesis of the flavonoid precursor naringenin chalcone from p-coumaroyl-CoA. Recent research reports the production of pyrone derivatives using either hexanoyl-CoA or butyryl-CoA as starter molecule. The Cys-His-Asn catalytic triad found in other plant chalcone synthase predicted polypeptides is conserved in PpCHS. Site directed mutagenesis involving these amino acids residing in the active-site cavity revealed that the cavity volume of the active-site plays a significant role in the selection of starter molecules as well as product formation. Substitutions of Cys 170 with Arg and Ser amino acids decreased the ability of the PpCHS to utilize hexanoyl-CoA as a starter molecule, which directly effected the production of pyrone derivatives (products). These substitutions are believed to have a restricted number of elongations of the growing polypeptide chain due to the smaller cavity volume of the mutant’s active site.
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Affiliation(s)
- Raja Noor Zaliha Raja Abdul Rahman
- Faculty of Biotechnology and Biomolecular Sciences, Enzyme and Microbial Technology Research Group, Universiti Putra Malaysia, Selangor 43400, Malaysia; E-Mails: (I.I.Z.); (A.B.S.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +603-8946-7592
| | - Iffah Izzati Zakaria
- Faculty of Biotechnology and Biomolecular Sciences, Enzyme and Microbial Technology Research Group, Universiti Putra Malaysia, Selangor 43400, Malaysia; E-Mails: (I.I.Z.); (A.B.S.)
| | - Abu Bakar Salleh
- Faculty of Biotechnology and Biomolecular Sciences, Enzyme and Microbial Technology Research Group, Universiti Putra Malaysia, Selangor 43400, Malaysia; E-Mails: (I.I.Z.); (A.B.S.)
| | - Mahiran Basri
- Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia; E-Mail:
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Zakaria II, Rahman RNZRA, Salleh AB, Basri M. Bacteriocin release protein-mediated secretory expression of recombinant chalcone synthase in Escherichia coli. Appl Biochem Biotechnol 2011; 165:737-47. [PMID: 21633820 DOI: 10.1007/s12010-011-9292-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Accepted: 05/17/2011] [Indexed: 11/26/2022]
Abstract
Flavonoids are secondary metabolites synthesized by plants shown to exhibit health benefits such as anti-inflammatory, antioxidant, and anti-tumor effects. Thus, due to the importance of this compound, several enzymes involved in the flavonoid pathway have been cloned and characterized in Escherichia coli. However, the formation of inclusion bodies has become a major disadvantage of this approach. As an alternative, chalcone synthase from Physcomitrella patens was secreted into the medium using a bacteriocin release protein expression vector. Secretion of P. patens chalcone synthase into the culture media was achieved by co-expression with a psW1 plasmid encoding bacteriocin release protein in E. coli Tuner (DE3) plysS. The optimized conditions, which include the incubation of cells for 20 h with 40 ng/ml mitomycin C at OD(600) induction time of 0.5 was found to be the best condition for chalcone synthase secretion.
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Affiliation(s)
- Iffah Izzati Zakaria
- Faculty of Biotechnology and Biomolecular Sciences, Enzyme and Microbial Technology Research Group, Universiti Putra Malaysia, Serdang, Malaysia.
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