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Papadopoulou G, Petroulia S, Karamichali E, Dimitriadis A, Marousis D, Ioannidou E, Papazafiri P, Koskinas J, Foka P, Georgopoulou U. The Epigenetic Controller Lysine-Specific Demethylase 1 (LSD1) Regulates the Outcome of Hepatitis C Viral Infection. Cells 2023; 12:2568. [PMID: 37947646 PMCID: PMC10648375 DOI: 10.3390/cells12212568] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/28/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
Hepatitis C virus (HCV) alters gene expression epigenetically to rearrange the cellular microenvironment in a beneficial way for its life cycle. The host epigenetic changes induced by HCV lead to metabolic dysfunction and malignant transformation. Lysine-specific demethylase 1 (LSD1) is an epigenetic controller of critical cellular functions that are essential for HCV propagation. We investigated the putative role of LSD1 in the establishment of HCV infection using genetic engineering and pharmacological inhibition to alter endogenous LSD1 levels. We demonstrated for the first time that HCV replication was inhibited in LSD1-overexpressing cells, while specific HCV proteins differentially fine-tuned endogenous LSD1 expression levels. Electroporation of the full-length HCV genome and subgenomic replicons in LSD1 overexpression enhanced translation and partially restored HCV replication, suggesting that HCV might be inhibited by LSD1 during the early steps of infection. Conversely, the inhibition of LSD1, followed by HCV infection in vitro, increased viral replication. LSD1 was shown to participate in an intriguing antiviral mechanism, where it activates endolysosomal interferon-induced transmembrane protein 3 (IFITM3) via demethylation, leading endocytosed HCV virions to degradation. Our study proposes that HCV-mediated LSD1 oscillations over countless viral life cycles throughout chronic HCV infection may promote epigenetic changes related to HCV-induced hepatocarcinogenesis.
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Affiliation(s)
- Georgia Papadopoulou
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
- Division of Animal and Human Physiology, Department of Biology, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Stavroula Petroulia
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Eirini Karamichali
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Alexios Dimitriadis
- Molecular Biology and Immunobiotechnology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Dimitrios Marousis
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Elisavet Ioannidou
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Panagiota Papazafiri
- Division of Animal and Human Physiology, Department of Biology, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - John Koskinas
- 2nd Department of Internal Medicine, Medical School of Athens, Hippokration General Hospital, 11521 Athens, Greece
| | - Pelagia Foka
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
| | - Urania Georgopoulou
- Molecular Virology Laboratory, Hellenic Pasteur Institute, 11521 Athens, Greece
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Gao L, Zhang J, Long Q, Yang Y, Li Y, Li G, Pu P, Tong S, He Y, Li Q, Chen Y, Liu Y, Kong X. SETD7 promotes metastasis of triple-negative breast cancer by YY1 lysine methylation. Biochim Biophys Acta Mol Basis Dis 2023:166780. [PMID: 37286143 DOI: 10.1016/j.bbadis.2023.166780] [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: 02/14/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 06/09/2023]
Abstract
Breast cancer has gradually become the predominant cause for cancer-associated death in women. The metastatic dissemination and underlying mechanisms of triple-negative breast cancer (TNBC) are not sufficiently understood. (Su(var)3-9, enhancer of zeste, Trithorax) domain-containing protein 7 (SETD7) is vital for promoting the metastasis of TNBC, as demonstrated in this study. Clinical outcomes were significantly worse in primary metastatic TNBC with upregulated SETD7. Overexpression of SETD7 in vitro and in vivo promotes migration of TNBC cells. Two highly conserved lysine (K) residues K173 and K411 of Yin Yang 1 (YY1) are methylated by SETD7. Further, we found that SETD7-mediated K173 residue methylation protects YY1 from the ubiquitin-proteasome degradation. Mechanistically, it was found that the SETD7/YY1 axis regulates epithelial-mesenchymal transition (EMT) and tumor cell migration via the ERK/MAPK pathway in TNBC. The findings indicated that TNBC metastasis is driven by a novel pathway, which may be a promising target for advanced TNBC treatment.
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Affiliation(s)
- Lili Gao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; Department of Pathology, Pudong New Area People's Hospital, Shanghai 201299, China
| | - Junzhe Zhang
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Qianqian Long
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200120, China
| | - Yang Yang
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Yiming Li
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Guoqiang Li
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Peng Pu
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Shanshi Tong
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Yamin He
- Department of Pathology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Qing Li
- Department of Pathology, Pudong New Area People's Hospital, Shanghai 201299, China.
| | - Yang Chen
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Yingbin Liu
- Department of Biliary-pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200120, China.
| | - Xianming Kong
- Central Laboratory, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China; Shanghai university of medicine & health sciences, Shanghai 201318, China.
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Zhou J, Liu H, Lin Y, Zhao J. Membrane Occupation and Recognition Nexus (MORN) motif controls protein localization and function. FEBS Lett 2022; 596:1839-1850. [PMID: 35568981 DOI: 10.1002/1873-3468.14378] [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: 01/13/2022] [Revised: 04/23/2022] [Accepted: 05/07/2022] [Indexed: 11/06/2022]
Abstract
Membrane Occupation and Recognition Nexus (MORN) motif was first defined in 2000, when it was identified in the junctophilin protein family. Dozens of studies have been published ever since, mainly focusing on the function of a given MORN motif-containing protein in parasites, plants or animal cells. Proteins with MORN motifs are not only expressed in most animal and plant cell types but also significantly differ in their intracellular localization, suggesting that the MORN motifs may fulfil multiple physiological functions. Recent studies have found that MORN motif-containing proteins junctophilin 1/2 and MORN3 play a role in cardiac hypertrophy, skeletal muscle fiber stability and cancer. Hence, MORN motif-containing proteins may be exploited to develop improved treatments for various pathological conditions, such as cardiovascular diseases. Here, we review current research on MORN motif-containing proteins in different organisms and provide both ideas and approaches for follow-up exploration of their functions and applications.
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Affiliation(s)
- Jinrun Zhou
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Honghong Liu
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Yushuang Lin
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Jing Zhao
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
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Singh A, Mahesh A, Noack F, Cardoso de Toledo B, Calegari F, Tiwari VK. Tcf12 and NeuroD1 cooperatively drive neuronal migration during cortical development. Development 2022; 149:274349. [PMID: 35147187 PMCID: PMC8918803 DOI: 10.1242/dev.200250] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/31/2021] [Indexed: 01/06/2023]
Abstract
Corticogenesis consists of a series of synchronised events, including fate transition of cortical progenitors, neuronal migration, specification and connectivity. NeuroD1, a basic helix-loop-helix (bHLH) transcription factor (TF), contributes to all of these events, but how it coordinates these independently is still unknown. Here, we demonstrate that NeuroD1 expression is accompanied by a gain of active chromatin at a large number of genomic loci. Interestingly, transcriptional activation of these loci relied on a high local density of adjacent bHLH TFs motifs, including, predominantly, Tcf12. We found that activity and expression levels of Tcf12 were high in cells with induced levels of NeuroD1 that spanned the transition of cortical progenitors from proliferative to neurogenic divisions. Moreover, Tcf12 forms a complex with NeuroD1 and co-occupies a subset of NeuroD1 target loci. This Tcf12-NeuroD1 cooperativity is essential for gaining active chromatin and targeted expression of genes involved in cell migration. By functional manipulation in vivo, we further show that Tcf12 is essential during cortical development for the correct migration of newborn neurons and, hence, for proper cortical lamination. Summary: How the functional cooperativity of Tcf12 and NeuroD1 in specific subpopulations of the developing cortex creates the gene regulatory program essential for neuronal migration.
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Affiliation(s)
- Aditi Singh
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Science, Queens University Belfast, Belfast BT9 7BL, UK
| | - Arun Mahesh
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Science, Queens University Belfast, Belfast BT9 7BL, UK
| | - Florian Noack
- CRTD-Center for Regenerative Therapies, School of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
| | - Beatriz Cardoso de Toledo
- CRTD-Center for Regenerative Therapies, School of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
| | - Federico Calegari
- CRTD-Center for Regenerative Therapies, School of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
| | - Vijay K. Tiwari
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Science, Queens University Belfast, Belfast BT9 7BL, UK
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Abstract
Steroid receptors (SRs) are members of the nuclear hormonal receptor family, many of which are transcription factors regulated by ligand binding. SRs regulate various human physiological functions essential for maintenance of vital biological pathways, including development, reproduction, and metabolic homeostasis. In addition, aberrant expression of SRs or dysregulation of their signaling has been observed in a wide variety of pathologies. SR activity is tightly and finely controlled by post-translational modifications (PTMs) targeting the receptors and/or their coregulators. Whereas major attention has been focused on phosphorylation, growing evidence shows that methylation is also an important regulator of SRs. Interestingly, the protein methyltransferases depositing methyl marks are involved in many functions, from development to adult life. They have also been associated with pathologies such as inflammation, as well as cardiovascular and neuronal disorders, and cancer. This article provides an overview of SR methylation/demethylation events, along with their functional effects and biological consequences. An in-depth understanding of the landscape of these methylation events could provide new information on SR regulation in physiology, as well as promising perspectives for the development of new therapeutic strategies, illustrated by the specific inhibitors of protein methyltransferases that are currently available.
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Affiliation(s)
- Lucie Malbeteau
- Université de Lyon, F-69000 Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.,CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France
| | - Ha Thuy Pham
- Université de Lyon, F-69000 Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.,CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France
| | - Louisane Eve
- Université de Lyon, F-69000 Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.,CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France
| | - Michael R Stallcup
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Coralie Poulard
- Université de Lyon, F-69000 Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.,CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France
| | - Muriel Le Romancer
- Université de Lyon, F-69000 Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.,CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France
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Gao L, Yu W, Song P, Li Q. Non-histone methylation of SET7/9 and its biological functions. Recent Pat Anticancer Drug Discov 2021; 17:231-243. [PMID: 34856916 DOI: 10.2174/1574892816666211202160041] [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: 09/02/2021] [Revised: 10/01/2021] [Accepted: 10/02/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND (su(var)-3-9,enhancer-of-zeste,trithorax) domain-containing protein 7/9 (SET7/9) is a member of the protein lysine methyltransferases (PLMTs or PKMTs) family. It contains a SET domain. Recent studies demonstrate that SET7/9 methylates both lysine 4 of histone 3 (H3-K4) and lysine(s) of non-histone proteins, including transcription factors, tumor suppressors, and membrane-associated receptors. OBJECTIVE This article mainly reviews the non-histone methylation effects of SET7/9 and its functions in tumorigenesis and development. METHODS PubMed was screened for this information. RESULTS SET7/9 plays a key regulatory role in various biological processes such as cell proliferation, transcription regulation, cell cycle, protein stability, cardiac morphogenesis, and development. In addition, SET7/9 is involved in the pathogenesis of hair loss, breast cancer progression, human carotid plaque atherosclerosis, chronic kidney disease, diabetes, obesity, ovarian cancer, prostate cancer, hepatocellular carcinoma, and pulmonary fibrosis. CONCLUSION SET7/9 is an important methyltransferase, which can catalyze the methylation of a variety of proteins. Its substrates are closely related to the occurrence and development of tumors.
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Affiliation(s)
- Lili Gao
- Department of Pathology, Pudong New Area People's Hospital, Shanghai 201299. China
| | - Weiping Yu
- Department of Pathophysiology, Medical school of Southeast University, Nanjing 210009, Jiangsu. China
| | - Peng Song
- Department of Pathology, Pudong New Area People's Hospital, Shanghai 201299. China
| | - Qing Li
- Department of Pathology, Pudong New Area People's Hospital, Shanghai 201299. China
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Mishra R, Kushveer JS, Khan MIK, Pagal S, Meena CK, Murali A, Dhayalan A, Venkateswara Sarma V. 2,4-Di-Tert-Butylphenol Isolated From an Endophytic Fungus, Daldinia eschscholtzii, Reduces Virulence and Quorum Sensing in Pseudomonas aeruginosa. Front Microbiol 2020; 11:1668. [PMID: 32849344 PMCID: PMC7418596 DOI: 10.3389/fmicb.2020.01668] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [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: 03/11/2020] [Accepted: 06/25/2020] [Indexed: 02/01/2023] Open
Abstract
Pseudomonas aeruginosa is among the top three gram-negative bacteria according to the WHO’s critical priority list of pathogens against which newer antibiotics are urgently needed and considered a global threat due to multiple drug resistance. This situation demands unconventional antimicrobial strategies such as the inhibition of quorum sensing to alleviate the manifestation of classical resistance mechanisms. Here, we report that 2,4-di-tert-butylphenol (2,4-DBP), isolated from an endophytic fungus, Daldinia eschscholtzii, inhibits the quorum-sensing properties of P. aeruginosa. We have found that treating P. aeruginosa with 2,4-DBP substantially reduced the secretion of virulence factors as well as biofilm, and its associated factors that are controlled by quorum sensing, in a dose-dependent manner. Concomitantly, 2,4-DBP also significantly reduced the expression of quorum sensing-related genes, i.e., lasI, lasR, rhlI, and rhlR significantly. Importantly, 2,4-DBP restricted the adhesion and invasion of P. aeruginosa to the A549 lung alveolar carcinoma cells. In addition, bactericidal assay with 2,4-DBP exhibited synergism with ampicillin to kill P. aeruginosa. Furthermore, our computational studies predicted that 2,4-DBP could bind to the P. aeruginosa quorum-sensing receptors LasR and RhlR. Collectively, these data suggest that 2,4-DBP can be exploited as a standalone drug or in combination with antibiotic(s) as an anti-virulence and anti-biofilm agent to combat the multidrug resistant P. aeruginosa infection.
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Affiliation(s)
- Rashmi Mishra
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | | | - Mohd Imran K Khan
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | - Sudhakar Pagal
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | | | - Ayaluru Murali
- Centre for Bioinformatics, Pondicherry University, Puducherry, India
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Mishra R, Kushveer JS, Khan MIK, Pagal S, Meena CK, Murali A, Dhayalan A, Venkateswara Sarma V. 2,4-Di-Tert-Butylphenol Isolated From an Endophytic Fungus, Daldinia eschscholtzii, Reduces Virulence and Quorum Sensing in Pseudomonas aeruginosa. Front Microbiol 2020; 11:1668. [PMID: 32849344 DOI: 10.3389/fmicb.2020.0166-8] [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] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/25/2020] [Indexed: 05/20/2023] Open
Abstract
Pseudomonas aeruginosa is among the top three gram-negative bacteria according to the WHO's critical priority list of pathogens against which newer antibiotics are urgently needed and considered a global threat due to multiple drug resistance. This situation demands unconventional antimicrobial strategies such as the inhibition of quorum sensing to alleviate the manifestation of classical resistance mechanisms. Here, we report that 2,4-di-tert-butylphenol (2,4-DBP), isolated from an endophytic fungus, Daldinia eschscholtzii, inhibits the quorum-sensing properties of P. aeruginosa. We have found that treating P. aeruginosa with 2,4-DBP substantially reduced the secretion of virulence factors as well as biofilm, and its associated factors that are controlled by quorum sensing, in a dose-dependent manner. Concomitantly, 2,4-DBP also significantly reduced the expression of quorum sensing-related genes, i.e., lasI, lasR, rhlI, and rhlR significantly. Importantly, 2,4-DBP restricted the adhesion and invasion of P. aeruginosa to the A549 lung alveolar carcinoma cells. In addition, bactericidal assay with 2,4-DBP exhibited synergism with ampicillin to kill P. aeruginosa. Furthermore, our computational studies predicted that 2,4-DBP could bind to the P. aeruginosa quorum-sensing receptors LasR and RhlR. Collectively, these data suggest that 2,4-DBP can be exploited as a standalone drug or in combination with antibiotic(s) as an anti-virulence and anti-biofilm agent to combat the multidrug resistant P. aeruginosa infection.
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Affiliation(s)
- Rashmi Mishra
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | | | - Mohd Imran K Khan
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | - Sudhakar Pagal
- Department of Biotechnology, Pondicherry University, Puducherry, India
| | | | - Ayaluru Murali
- Centre for Bioinformatics, Pondicherry University, Puducherry, India
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