Office address: Laboratory of Biotechnology
54 Kamphaeng Phet 6 Talat Bang Khen, Lak Si, Bangkok 10210, Thailand
Tel: +66 25530 8555 (ext. 8372)
E-mail:

Research Scientist

Research Experience (Specialties)
Molecular microbiology

Education
1988-1991 B. Sc. (Kasetsert) Kasetsart University
1998-2000 M. Sc. (Biotechnology) Mahidol University

Publications
– Sallabhan R, Kerdwong J, Dubbs JM, Somsongkul K, Whangsuk W, Piewtongon P, Mongkolsuk S, Loprasert S. The hdhA Gene Encodes a Haloacid Dehalogenase that is Regulated by the LysR-Type Regulator, HdhR, in Sinorhizobium meliloti. Mol Biotechnol. 2012 May 26.

– Whangsuk W, Sungkeeree P, Thiengmag S, Kerdwong J, Sallabhan R, Mongkolsuk S, Loprasert S. Gene Cloning And Characterization of a Novel Highly Organic Solvent Tolerant Lipase from Proteus sp. SW1 and its Application for Biodiesel Production. Mol Biotechnol. 2012 Feb 28.

– Whangsuk W, Dubbs JM, Sallabhan R, Somsongkul K, Mongkolsuk S, Loprasert S. ChpR is a chlorpyrifos-responsive transcription regulator in Sinorhizobium meliloti. J Mol Microbiol Biotechnol. 2010;18(3):141-7. Epub 2010 Apr 13.

– Loprasert S, Whangsuk W, Dubbs JM, Sallabhan R, Somsongkul K, Mongkolsuk S.
HpdR is a transcriptional activator of Sinorhizobium meliloti hpdA, which encodes a herbicide-targeted 4-hydroxyphenylpyruvate dioxygenase. J Bacteriol. 2007 May;189(9) : 3660-4. Epub 2007 Mar 2.

– Whangsuk W, Mongkolsuk S. Analysis of mutations that alter H₂O₂ sensing and transcription regulation properties of a global peroxide regulator OxyR in Xanthomonas campestris pv. phaseoli. FEMS Microbiol Lett. 2006 Apr;257(2):214-20.

– Vattanaviboon P, Seeanukun C, Whangsuk W, Utamapongchai S, Mongkolsuk S. Important role for methionine sulfoxide reductase in the oxidative stress response of Xanthomonas campestris pv. phaseoli. J Bacteriol. 2005 Aug;187(16):5831-6.

– Loprasert S, Whangsuk W, Sallabhan R, Mongkolsuk S. The unique glutathione reductase from Xanthomonas campestris: gene expression and enzyme characterization. Biochem Biophys Res Commun. 2005 Jun 17;331(4):1324-30.

– Chauvatcharin N, Atichartpongkul S, Utamapongchai S, Whangsuk W, Vattanaviboon P, Mongkolsuk S. Genetic and physiological analysis of the major OxyR-regulated katA from Xanthomonas campestris pv. phaseoli. Microbiology. 2005 Feb;151(Pt 2):597-605.

– Loprasert S, Whangsuk W, Sallabhan R, Mongkolsuk S. DpsA protects the human pathogen Burkholderia pseudomallei against organic hydroperoxide. Arch Microbiol. 2004 Sep;182(1):96-101. Epub 2004 Jul 6.

– Loprasert S, Sallabhan R, Whangsuk W, Mongkolsuk S. Compensatory increase in ahpC gene expression and its role in protecting Burkholderia pseudomallei against reactive nitrogen intermediates. Arch Microbiol. 2003 Dec; 180(6): 498-502. Epub 2003 Nov 12.

– Suvit Loprasert, Wirongrong Whangsuk, Ratiboot Sallabhan and Skorn Mongkolsuk. Regulation of the katG-dpsA operon and the importance of KatG in survival of Burkholderia pseudomallei exposed to oxidative stress. FEBS Lett. 2003 May 8; 542(1-3): 17-21.

– Vattanaviboon P, Whangsuk W, and Mongkolsuk S. A Suppressor of the Menadione-Hypersensitive Phenotype of a Xanthomonas campestris pv. phaseoli oxyR Mutant Reveals a Novel Mechanism of Toxicity and the Protective Role of Alkyl Hydroperoxide Reductase. J Bacteriol. 2003 Mar; 185 (5): 1734-8.

– Vattanaviboon P, Whangsuk W, Panmanee W, Klomsiri C, Dharmsthiti S, Mongkolsuk S. Evaluation of the roles that alkyl hydroperoxide reductase and Ohr play in organic peroxide-induced gene expression and protection against organic peroxides in Xanthomonas campestris. Biochem Biophys Res Commun. 2002 Nov 29; 299(2): 177-82.

– Loprasert S, Sallabhan R, Whangsuk W, Mongkolsuk S. The Burkholderia pseudomallei oxyR gene: expression analysis and mutant characterization. Gene. 2002 Aug 21; 296(1-2): 161-9.

– Panmanee W, Vattanaviboon P, Eiamphungporn W, Whangsuk W, Sallabhan R, Mongkolsuk S. OhrR, a transcription repressor that senses and responds to changes in organic peroxide levels in Xanthomonas campestris pv. phaseoli. Mol Microbiol. 2002 Sep;45(6):1647-54.

– Mongkolsuk S, Panmanee W, Atichartpongkul S, Vattanaviboon P, Whangsuk W, Fuangthong M, Eiamphungporn W, Sukchawalit R, Utamapongchai S. The repressor for an organic peroxide-inducible operon is uniquely regulated at multiple levels. Mol Microbiol. 2002 May; 44(3): 793-802.

– Atichartpongkul S, Loprasert S, Vattanaviboon P, Whangsuk W, Helmann JD, Mongkolsuk S. Bacterial Ohr and OsmC paralogues define two protein families with distinct functions and patterns of expression. Microbiology. 2001 Jul; 147(Pt 7): 1775-82.

– Skorn Mongkolsuk,Wirongrong Whangsuk, Paiboon Vattanaviboon, Suvit Loprasert, and Mayuree Fuangthong. A Xanthomonas Alkyl Hydroperoxide Reductase Subunit C (ahpC) Mutant Showed an Altered Peroxide Stress Response and Complex Regulation of the Compensatory Response of Peroxide Detoxification Enzymes. J Bacteriol. 2000 Dec;182(23):6845-9.

– Loprasert S, Fuangthong M, Whangsuk W, Atichartpongkul S, Mongkolsuk S Molecular and physiological analysis of an OxyR-regulated ahpC promoter in Xanthomonas campestris pv. phaseoli. . Mol Microbiol. 2000 Sep;37(6):1504-14.

– Loprasert S, Sallabhan R, Whangsuk W, Mongkolsuk S. Characterization and mutagenesis of fur gene from Burkholderia pseudomallei. Gene. 2000 Aug 22;254(1-2):129-37.

– Mongkolsuk S,Whangsuk W,Fuangthong M and Loprasert S. Mutations in oxyR Resulting in Peroxide Resistance in Xanthomonas campestris. J Bacteriol,. 2000 Jul; 182(13):3846-9.

– Mongkolsuk S, Loprasert S, Whangsuk W, Fuangthong M, Atichartpongkun S. Characterization of transcription organization and analysis of unique expression patterns of an alkyl hydroperoxide reductase C gene (ahpC) and the peroxide regulator operon ahpF-oxyR-orfX from Xanthomonas campestris pv. phaseoli. J Bacteriol. 1997 Jun;179(12):3950-5.

– Loprasert S, Atichartpongkun S, Whangsuk W, Mongkolsuk S. Isolation and analysis of the Xanthomonas alkyl hydroperoxide reductase gene and the peroxide sensor regulator genes ahpC and ahpF-oxyR-orfX. J Bacteriol. 1997 Jun;179(12):3944-9.