Office address: Laboratory of Biotechnology
54 Kamphaeng Phet 6 Talat Bang Khen, Lak Si, Bangkok 10210, Thailand
Tel: +66 25530 8555 (ext. 8377)
E-mail:

Research Scientist II

Research Experience (Specialties)
Molecular Genetics in Bacteria, Bacterial Physiology

Education
1979-1983 B.Sc. (Medical Technology, Hons) Mahidol University
1983-1985 M.Sc. (Microbiology) Mahidol University
1996-1999 Ph.D. (Biotechnology) Mahidol University

Awards
1991 JSPS-NRCT Scholarship for training in Molecular Genetics in Japan
1996 Institution Strengthening Scholarship for Ph.D. Studying Program from Faculty of Science, Mahidol University and NSTDA.
1999 Taguchi Prize for Outstanding Doctoral Degree Thesis in Biotechnology from The Thai Society for Biotechnology.
1999 Dean’s Lists Award for Outstanding Academic Performance from Faculty of Graduate Studies, Mahidol University.
1999 Outstanding Doctoral Degree Thesis Award from Faculty of Graduate Studies, Mahidol University.
2000 Outstanding Doctoral Degree Thesis Award in Agriculture and Bioscience from the National Research Council of Thailand.
2001 Research Award in Chemistry and Pharmacology (Co-investigator) from the National Research Council of Thailand

Training Workshop
1991 Molecular Genetics of Bacillus thuringiensis at Institute of Biological Control, Faculty of Agriculture, Kyushu University, Japan.
1993 Amino acid sequencer and DNA sequencer, Biosystem Japan, Tokyo, Japan
1998 Plant Molecular Genetics, Department of Genetics, Ghent University, Ghent, Belgium.
2000 Bioremediation, AOTS, Yokohama, Japan

Publications

1. Mongkolsuk, S., Vattanaviboon, P., Rabibhadana, S. and Kiatpapan, P 1993. Versatile gene cassette plasmid to facilitate the construction of generalize and specialize cloning vectors, Gene,124: 131-132.

2. Mongkolsuk, S., Rabibhadana, S., Vattanaviboon, P. and Loprasert, S. 1994. Generalized and mobilizable positive selection cloning vectors. Gene,143: 145-146.

3. Chamnongpol, S., Mongkolsuk, S., Vattanaviboon, P. and Fuangthong, M. 1995. Unusual growth phase and oxygen tension regulation of oxidative stress protection enzymes, catalase and superoxide dismutase in the phytopathogen Xanthomonas oryzae pv. oryzae. Appl  Environ Microbiol, 61: 393-396.

4. Chamnongpol, S., Vattanaviboon, P., Loprasert, S. and Mongkolsuk, S. 1995. Atypical oxidative stress regulation of Xanthomonas oryzae pv. oryzae monofunction catalase. Can J Microbiol, 41: 541-547.

5. Vattanaviboon, P., Praituan, W. and Mongkolsuk, S. 1995. Growth phase dependent resistance to oxidative stress in a phytopathogen  Xanthomonas oryzae pv. oryzae. Can J Microbiol, 41: 1043-1047.

6. Mongkolsuk, S., Loprasert, S., Vattanaviboon, P., Chanvanichayachai, C., Chamnongpol, S. and Supsamran, N. 1996. Heterologous growth phase and temperature dependent expression and H₂O₂ toxicity protection of a superoxide inducible monofunctional catalase gene from Xanthomonas oryzae pv. oryzae. J Bacteriol, 178: 3578-3584.

7. Loprasert, S., Vattanaviboon, P. ,Praituan, W., Chamnongpol, S. and Mongkolsuk, S*. 1996. Regulation of oxidative stress protective enzymes, catalase and superoxide dismutase in Xanthomonas – a review. Gene, 179: 33-37.

8. Mongkolsuk, S., Vattanaviboon, P. and Praituan, W. 1997. Induced adaptive and cross protection responses against oxidative stress killing in a bacterial phytopathogen, Xanthomonas oryzae pv. oryzae. FEMS Microbiol Lett, 146: 217-222.

9. Vattanaviboon, P. and Mongkolsuk, S., 1998. Evaluation of the role of hydroxyl radicals and iron and iron play in hydrogen peroxide killing of Xanthomonas campestris pv. phaseoli. FEMS Microbiol Lett, 169: 255-260.

10.Vattanaviboon, P., Varaluksit, T. and Mongkolsuk, S.,  1999. Modulation of peroxide stress response by thiol reagents and the role of redox sensor-transcription regulator, OxyR, in mediating the response in Xanthomonas. FEMS Microbiol Lett,  176: 471-476.

11. Sukchawalit, R., Vattanaviboon, P., Sallabhan, R. and Mongkolsuk, S.  1999. Construction and characterization of regulated L-arabinose-inducible broad host range expression vectors. FEMS Microbiol Lett, 181: 217-223.

12. Vattanaviboon, P., and Mongkolsuk, S. 2000. Expression analysis and characterization of the mutant of a growth phase- and starvation- regulated monofunctional catalase gene from Xanthomonas campestris pv. phaseoli. Gene, 241: 259-265.

13. Sriprang, R., Vattanaviboon, P., and Mongkolsuk, S., 2000. Exposure of phytopathogenic Xanthomonas spp. to lethal concentrations of multiple oxidants affects bacterial survival in a complex manner.  Appl  Environ Microbiol, 66: 4017-4021.

14. Mongkolsuk, S., Whangsuk, W., Vattanaviboon, P., Loprasert, S., Fuangthong, M., 2000. 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, 182: 6845-6849.

15. Vattanaviboon, P., Sriprang, R., and Mongkolsuk, S., 2001. Catalase has a novel protective role against electrophile killing of Xanthomonas. Microbiology, 147: 491-498.

16. Vattanaviboon, P. and Mongkolsuk, S. 2001. Unusual adaptive, cross-protection responses and growth phase resistance against peroxide killing in a bacterial shrimp pathogen, Vibrio harveyi. FEMS Microbiol Lett, 200: 111-116.

17.  Atichartpongkul, S., Loprasert, S., Vattanaviboon, P., Whangsuk, W., Helmann, J.D. and Mongkolsuk, S. 2001. Bacterial Ohr and OsmC paralogs define two protein families with distinct functions and patterns of expression. Microbiology, 147: 1775-1782.

18.  Sukchawalit, R., Vattanaviboon, P., Utamapongchai, S., Vaughn, G., and Mongkolsuk, S. 2001. Characterization of Xanthomonas oryzae pv. oryzae recX, a gene that is required for high-level expression of recA. FEMS Microbiol Lett, 205: 83-89.

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

20. Vatanaviboon, P., Varaluksit, T., Seeanukun, C. and Mongkolsuk, S. 2002. Transaldolase exhibits a protective role against menadione toxicity in Xanthomonas campestris pv. phaseoli. Biochem Biophys Res Commun, 297: 968-973.

21. Panmanee, W., Vattanaviboon, P., Eiamphungporn, W., Whangsuk, W., Sallabhan, R., Mongkolsuk, S. 2002. OhrR, a transcription repressor that senses and responds to changes in organic peroxide levels in Xanthomonas campestris pv. phaseoli. Mol Microbiol, 45: 1647-1654.

22. Vattanaviboon, P., Whangsuk, W., Panmanee, W., Klomsiri, C., Dharmsthiti, S., and Mongkolsuk, S. 2002. Evaluation of the roles of alkyl hydroperoxide reductase and Ohr play in organic peroxide induced gene expression and protection against organic peroxides in Xanthomonas campestris. Biochem Biophys Res Commun, 299: 177-182.

23. Chauvatcharin, N., Vattanaviboon, P., Switala, J., Loewen, P. and Mongkolsuk, S. 2003. Cloning and characterization of katA, encoding the major monofunctional catalase from Xanthomonas campestris pv. phaseoli and characterization of the encoded catalase KatA. Curr Microbiol, 46: 83-87.

24. Vattanaviboon, P., Whangsuk, W. and Mongkolsuk, S*. 2003. A suppressor of the menadione hypersensitive phenotype of a Xanthomonas campestris pv. phaseoli oxyR mutant reveals a novel mechanism of toxicity and protective role of alkyl hydroperoxide reductase. J Bacteriol, 185: 1734-1738.
25. Nakjarung, K., Mongkolsuk, S. and Vattanaviboon, P. 2003. The oxyR from Agrobacterium tumefaciens : evaluation of its role in the regulation of catalase and peroxide responses. Biochem Biophys Res Commun, 304: 41-47.

26. Vattanaviboon, P., Panmanee, W. and Mongkolsuk, S. 2003. Induction of peroxide and superoxide protective enzymes and physiological cross protection against peroxide killing by a superoxide generator in Vibrio harveyi. FEMS Microbiol Lett, 221: 89-95.

27. Eiamphungporn, W., Nakjarung, K.,  Prapagdee, B., Vattanaviboon, P. and Mongkolsuk, S. 2003. Oxidant-inducible resistance to hydrogen peroxide killing in Agrobacterium tumefaciens requires the global peroxide sensor-regulator OxyR and KatA. FEMS Microbiol Lett,  225: 167-172.

28. Banjerdkij, P., Vattanaviboon, P., and Mongkolsuk, S. 2003. Cadmium induced adaptive resistance and cross-resistance to zinc in Xanthomonas campestris.Curr Microbiol, 47:260-262.

29. Vattanaviboon, P., Eiamphungporn, W. and Mongkolsuk, S. 2003. Atypical adaptive and cross-protective responses against peroxide killing in a bacterial plant pathogen, Agrobacterium tumefaciens.  Curr Microbiol, 47:323-326.

30. Prapagdee, B., Vattanaviboon, P. and Mongkolsuk, S. 2004. The role of a bifunctional catalase-peroxidase KatA in protection of Agrobacterium tumefaciens from menadione toxicity. FEMS Microbiol Lett. 232:217-223.

31. Prapagdee, B., Eiamphungporn, W., Saenkhum, P., Mongkolsuk, S. and Vattanaviboon, P. 2004. Analysis of growth phase regulated KatA and CatE and their physiological roles in determining hydrogen peroxide resistance in Agrobacterium tumefaciens. FEMS Microbiol Lett. 237: 219-226.

32. Sukchawalit, R., Prapagdee, B., Charoenlap, N., Vattanaviboon, P. and Mongkolsuk, S. 2005. Protection of Xanthomonas against arsenic toxicity involves the peroxide-sensing transcription regulator OxyR. Res Microbiol. 156: 30-34.

33. Banjerdkij, P., Vattanaviboon, P., and Mongkolsuk, S. 2005. Exposure to cadmium elevates expression of genes in the OxyR and OhrR regulons and induces cross-resistance to peroxide killing treatment in Xanthomonas campestris. Appl Environ Microbiol. 71: 1843-1849.

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

35. Klomsiri, C., Panmanee, W., Dharmsthiti, S., Vattanaviboon, P., and Mongkolsuk, S. 2005. Novel roles of ohrR–ohr in Xanthomonas sensing, metabolism and physiological adaptive response to lipid hydroperoxide. J Bacteriol. 187: 3277-3281.

36. Charoenlap, N., Chauvatcharin, N., Eiamphungporn, W., Utamapongchai, S., Vattanaviboon, P., and Mongkolsuk, S. 2005. OxyR mediated compensatory expression between ahpC and katA and the significance of ahpC in protection from hydrogen peroxide in Xanthomonas campestris. FEMS Microbiol Lett. 249:73-78.

37. Vattanaviboon, P., Seeanukun, C., Utamapongchai, S., Whangsuk, W., and Mongkolsuk, S. 2005. Important role for methionine sulfoxide reductase in the oxidative stress response of Xanthomonas campestris pv. phaseoli. J Bacteriol. 187: 5831-5836.

38. Korbsrisate, S., Vanaporn, M., Kerdsuk, P., Kespichayawattana, P., Vattanaviboon, P., Kiatpapan, P., Lertmemongkolchai,G. 2005. The Burkholderia pseudomallei RpoE (AlgU) operon is involved in environmental stress tolerance and biofilm formation. FEMS Microbiol Lett. 252: 243-249.

39. Mongkolsuk, S., Dubbs, J. M. and Vattanaviboon, P. 2005. Chemical modulation of physiological adaptation and cross protective responses against oxidative stress in soil bacterium and phytopathogen, Xanthomonas. J Ind Microbiol Biotechnol. 32:687-690.

40. Chuchue, T., Tanboon, W., Prapagdee, B., Dubbs, J.M., Vattanaviboon, P. andMongkolsuk, S. 2006. ohrR-ohr are the primary sensor/regulator and protective genes against organic hydroperoxide stress in Agrobacterium tumefaciens. J Bacteriol. 188:842-851.

41. Panmanee, W., Vattanaviboon, P., Poole, L.B., and Mongkolsuk, S. 2006. Novel organic hydroperoxide sensing and responding mechanisms for OhrR, a major bacterial sensor and regulator of organic hydroperoxide stress. J Bacteriol. 188:1389-1395.

42. Hrimpeng, K., Prapagdee, B., Banjerdkij, P., Vattanaviboon, P., Dubbs, J.M. and Mongkolsuk, S. 2006. Challenging Xanthomonas campestris with low levels of arsenic mediates cross-protection against oxidant killing. FEMS Microbiol Lett. 262:121-127.

43. Eiamphungporn, W., Charoenlap, N., Vattanaviboon, P., and Mongkolsuk*, S. 2006. Agrobacterium tumefaciens soxR plays an important role in superoxide stress protection and also directly regulates itself as well as target genes. J Bacteriol. 188:8869-8873.

44. Vattanaviboon, P., Tanboon, W. and Mongkolsuk, S. 2007. Physiological and expression analyses of Agrobacterium tumefaciens trxA, encoding thioredoxin. J Bacteriol 189:6477-6481.

45. Saenkham, P., Eiamphungporn, W., Farrand, S. K., Vattanaviboon, P. and Mongkolsuk, S. 2007. Multiple superoxide dismutases in Agrobacterium tumefaciens: functional analysis, gene regulation, and influence on tumorigenesis. J Bacteriol 189:8807-8817.

46. Vanaporn, M., Vattanaviboon, P., Thongboonkerd, V. and Korbsrisate, S. 2008. The rpoE operon regulates heat stress response in Burkholderia pseudomallei. FEMS Microbiol Lett 284:191-196.

47. Muangsombut, V., Suparak, S., Pumirat, P., Damnin, S., Vattanaviboon, P., Thongboonkerd, V. and Korbsrisate, S. 2008. Inactivation of Burkholderia pseudomallei bsaQ results in decreased invasion efficiency and delayed escape of bacteria from endocytic vesicles. Arch Microbiol. 190:623-631.

48. Saenkham, P., Utamapongchai, S., Vattanaviboon, P. and Mongkolsuk, S. 2008. Agrobacterium tumefaciens iron superoxide dismutases have protective roles against singlet oxygen toxicity generated from illuminated Rose Bengal. FEMS Microbiol Lett. 289:97-103.

49. Saenkham, P., Vattanaviboon, P. and Mongkolsuk, S. 2009. Mutation in sco affects cytochrome c assembly and alters oxidative stress resistance in Agrobacterium tumefaciens. FEMS Microbiol Lett. 293:122-129.

50. Tanboon, W., Chuchue, T., Vattanaviboon, P. and Mongkolsuk, S. 2009. Inactivation of thioredoxin-like gene alters oxidative stress resistance and reduces cytochrome c oxidase activity in Agrobacterium tumefaciens. FEMS Microbiol Lett. 295:110-116.

51. Nawapan, S., Charoenlap, N., Charoenwuttitam, A., Saenkham, P., Mongkolsuk, S. and Vattanaviboon, P. 2009. Functional and expression analyses of the cop operon required for copper resistance in Agrobacterium tumefaciens. J Bacteriol. 191: 5159-5168.

52. Jittawuttipoka, T., Buranajitpakorn, S., Fuangthong, M., Schweizer, H.P., Vattanaviboon, P. and Mongkolsuk, S. 2009. Mini-Tn7 vectors as genetic tools for gene cloning at a single copy number in an industrially important and phytopathogenic bacteria, Xanthomonas spp. FEMS Microbiol Lett. 298:111-117.

53. Jittawuttipoka, T., Buranajitpakorn, S., Vattanaviboon, P. and Mongkolsuk, S. 2009. The catalase-peroxidase KatG is required for virulence of Xanthomonas campestris pv. campestris in a host plant by providing protection against low levels of H₂O₂. J. Bacteriol. 191: 7372-7277.

54. Atichartpongkul, S., Fuangthong, M., Vattanaviboon, P. and Mongkolsuk, S. 2010. Analyses of regulatory mechanism and physiological roles of Pseudomonas aeruginosa OhrR, a transcription regulator and a sensor of organic hydroperoxides. J. Bacteriol. 192: 2093-2101.

55. Jittawuttipoka, T., Sallabhan, R., Vattanaviboon, P., Fuangthong, M., and Mongkolsuk, S. 2010.  Mutations of ferric uptake regulator (fur) impair iron homeostasis, growth, oxidative stress survival, and virulence of Xanthomonas campestris pv. campestris. Arch. Microbiol. 192: 331-339.

56. Daung-nkern, J., Vattanaviboon, P. and Mongkolsuk, S. 2010. Inactivation of nfuA enhances susceptibility of Pseudomonas aeruginosa to fluoroquinolone antibiotics. J. Antimicrob. Chemother. 65:1831-1832.

57. Patikarnmonthon, N., Nawapan, S., Buranajitpakorn, S., Charoenlap, N., Mongkolsuk, S. and Vattanaviboon, P. 2010. Copper ions potentiate organic hydroperoxide and hydrogen peroxide toxicity through different mechanisms in Xanthomonas campestris pv. campestris. FEMS Microbiol. Let. 313: 75-80.

58. Fuangthong, M., Julotok, M., Chintana, W., Kuhn, K., Rittiroongrad, S., Vattanaviboon, P. and Mongkolsuk, S. 2011. Exposure of Acinetobacter baylyi ADP1 to the biocide, chlorhexdine, leads to acquired resistance to the biocide itself and to oxidants. J. Antimicrob. Chemother. 66: 319-322.

59. Buranajitpakorn, S., Piwkam, A., Charoenlap, N., Vattanaviboon, P. and Mongkolsuk, S. 2011. Genes for hydrogen peroxide detoxification and adaptation contribute to protection against heat shock in Xanthomonas campestris pv. campestris. FEMS Microbiol. Let. 317: 60-66.

60. Charoenlap, N., Buranajitpakorn, S., Duang-Nkern, J., Namchaiw, P., Vattanaviboon, P. and Mongkolsuk, S. 2011. Evaluation of the virulence of Xanthomonas campestris pv. campestris mutant strains lacking functional genes in the OxyR regulon. Curr. Microbiol. 63: 232-237.

61. Mahavihakanont, A., Charoenlap, N., Namchaiw, P., Eiamphungporn, W., Chattrakarn, S., Vattanaviboon, P. and Mongkolsuk*, S. 2012. Novel roles of SoxR, a transcriptional regulator from Xanthomonas campestris, in sensing redox-cycling drugs and regulating a protective gene that have overall implications for bacterial stress, physiology and virulence on a host plant. J. Bacteriol. 194: 209-217.

62. Somprasong, N, Jittawuttipoka, T., Duang-nkern, J., Romsang, A., Chaiyen, P., Schweizer, H.P., Vattanaviboon, P., and Mongkolsuk, S. 2012. Pseudomonas aeruginosa thiol peroxidase protects against hydrogen peroxide toxicity and displays atypical patterns of gene regulation. J. Bacteriol. 194: 3904-3912.

63. Romsang, A, Atichartpongkul, S., Trinachartvanit, W., Vattanaviboon, P., Mongkolsuk, S. 2013. Gene expression and physiological role of Pseudomonas aeruginosa methionine sulfoxide reductases during oxidative stress. J. Bacteriol. 195: 3299-3308.

64. Sornchuer, P., Namchaiw, P., Kerdwong, J., Charoenlap, N., Mongkolsuk, S. and Vattanaviboon, P. 2014. Copper chloride induces antioxidant gene expression but reduces ability to mediate H₂O₂ toxicity in Xanthomonas campestris. Microbiol. 160:458-466.

 65. Romsang, A, Duang-nkern, J., Leesukon, P., Saninjuk, K.,Vattanaviboon, P., Mongkolsuk, S. 2014. The iron-sulphur cluster biosynthesis regulator IscR contributes to iron homeostasis and resistance to oxidants in Pseudomonas aeruginosa. PLoS ONE 9(1): e86763. doi:10.1371/journal.pone.0086763

67. Intarak, N., Muangsombut, V., Vattanaviboon, P., Stevens, M., Korbsrisate, S. 2014. Growth and motility of the melioidosis pathogen Burkholderia pseudomallei is enhanced by epinephrine. Pathogens and Disease, 72:24-31.

68. Fuangthong, M., Jittawuttipoka, T., Wisitkamol, R., Vattanaviboon, P., Mongkolsuk, S. 2015. IscR plays a role in oxidative stress resistance and pathogenicity of a plant pathogen, Xanthomonas campestris. Microbiol Res.  170:139-146.

69. Romsang, A., Leesukon, P., Vattanaviboon, P., Mongkolsuk, S. 2015. Mutation of the gene encoding monothiol glutaredoxin (GrxD) in Pseudomonas aeruginosa increases its susceptibility to polymyxin. Int. J. Antimicrob. Agents. 45: 314-318.

70. Charoenlap, N.,Sornchuer, P., Piwkam, A., Srijaruskul, K., Mongkolsuk, S., and Vattanaviboon, P. 2015. The roles of peroxide protective regulons in protecting Xanthomonas campestris pv. campestris from sodium hypochlorite stress. Can. J. Microbiol. 61: 343-350.

71. Srijaruskul, K., Charoenlap, N., Namchaiw, P., Chattrakarn, S., Giengkam, S., Mongkolsuk, S., and Vattanaviboon, P. 2015. Functional and regulation analyses of mfsA, which encodes a major facilitator protein involved in paraquat resistance of Stenotrophomonas maltophilia. PLoS ONE 10(4): e0123699. doi:10.1371/journal.pone.0123699

72. Romsang, A., Duang-nkern, J., Wirathorn, W., Vattanaviboon, P., Mongkolsuk, S. 2015. Pseudomonas aeruginosa IscR-regulated ferredoxin NADP(+) reductase gene (fprB) functions in iron-sulfur cluster biogenesis and multiple stress response. PLoS ONE 10(7):e0134374. Doi:10.1371/ journal.pone.0134374

73. Dulyayangkul , P., Charoenlap, N., Srijaruskul, K., Mongkolsuk, S., Vattanaviboon, P. 2016. Major facilitator superfamily MfsA contributes to multidrug resistance in emerging nosocomial pathogen Stenotrophomonas maltophilia. J. Antimicrob. Chemother. 71: 2990-2991 doi:10.1093/jac/dkw233.

74. Atichartpongkul, S., Vattanaviboon, P., Wisitkamol, R., Jaroensuk, J., Mongkolsuk, S., and Fuangthong, M. 2016. Regulation of organic hydroperoxide stress response by two ohrR homologs in Pseudomonas aeruginosa. PLoS ONE 11(8): e0161982.

75. Rittiroongrad, S., Charoenlap, N., Giengkam, S., Vattanaviboon, P., and Mongkolsuk, S. 2016. Agrobacterium tumefaciens estC, encoding an enzyme containing esterase activity, is regulated by EstR, a regulator in the MarR family. PLoS ONE 11:e0168791.

76. Boonma, S., Romsang, A, Duang-nkern, J., Atichartpongkul, S., Trinachartvanit, W., Vattanaviboon, P., Mongkolsuk, S. 2017. The FinR-regulated essential gene fprA, encoding ferredoxin NADP+ reductase: roles in superoxide-mediated stress protection and virulence of Pseudomonas aeruginosa. PLoS ONE 12: in press.