Faculty of Public Health
Fuangfa Utrarachkij
FUANGFA UTRARACHKIJ
Associate Professor, Ph.D.
รองศาสตราจารย์ ดร.เฟื่องฟ้า อุตรารัชต์กิจ
Pathogenic Bacteria Detection Food & Water Safety Antimicrobial Resistance

Contact

  • fuangfa.utr@mahidol.ac.th
  • +66 2354 8543-9 ext. 6512
  • Department of Microbiology, Faculty of Public Health, Mahidol University
Profiles
Department website Scopus
Last updated:

About

A microbiologist with expertise in the detection of pathogenic bacteria in food, water, and environmental samples using culture-based and molecular methods. Research focuses on molecular epidemiology and antimicrobial resistance of food- and waterborne bacteria, supporting evidence generation for environmental health and public health microbiology.

Education

Ph.D. (Veterinary Medicine)
Hokkaido University, Japan
2017
M.Sc. (Public Health)
Mahidol University, Thailand
1996
B.Sc. (Medical Technology)
Mahidol University, Thailand
1986

Research Interests

Detection of pathogenic bacteria in food, water and environmental samples by culture and molecular biological method
Molecular epidemiology and antimicrobial resistance of food and waterborne bacteria

Publications | Academic Works

  • Khotchalai, S., Utrarachkij, F., Lekagul, A., Kaewkhankhaeng, W., & Tangcharoensathien, V. (2025). Antimicrobial Resistant Salmonella in Canal Water in Bangkok, Thailand: Survey Results Between 2016 and 2019. International Journal of Environmental Research and Public Health, 22(9). https://doi.org/10.3390/ijerph22091333
  • Lekagul, A., Khotchalai, S., Kaewkhankhaeng, W., Gordoncillo, M., Utrarachkij, F., & Tangcharoensathien, V. (2025). Regulating antimicrobial resistance in the environment: Analysis of Thailand legal framework and areas for reinforcement. Science in One Health, 4, 100110. https://doi.org/10.1016/j.soh.2025.100110
  • Toyting-Hiraishi, J., Sato, T., Supha, N., Thongpanich, Y., Horiuchi, M., Thapa, J., Nakajima, C., Suzuki, Y., & Utrarachkij, F. (2025). Unveiling the Genetic Diversity and Antimicrobial Resistance Profiles of Salmonella Population From 2016 to 2020 in Thai Canal Water. Environmental Microbiology Reports, 17(4), e70160. https://doi.org/10.1111/1758-2229.70160
  • Kittigul, L., Rupprom, K., Thongpanich, Y., Neamhom, T., & Utrarachkij, F. (2025). Quantification and Genotyping of Norovirus in Aerosols from Wastewater Treatment Plants in Thailand. Food and Environmental Virology, 17(2), 31. https://doi.org/10.1007/s12560-025-09647-1
  • Ketkhao, P., Utrarachkij, F., Parikumsil, N., Poonchareon, K., Kerdsin, A., Ekchariyawat, P., Narongpun, P., Nakajima, C., Suzuki, Y., & Suthienkul, O. (2024). Phylogenetic diversity and virulence gene characteristics of Escherichia coli from pork and patients with urinary tract infections in Thailand. PLOS One, 19(7), e0307544. https://doi.org/10.1371/journal.pone.0307544
  • Rupprom, K., Thongpanich, Y., Sukkham, W., Utrarachkij, F., & Kittigul, L. (2024). Recovery and Quantification of Norovirus in Air Samples from Experimentally Produced Aerosols. Food and Environmental Virology, 16(2), 216–224. https://doi.org/10.1007/s12560-024-09590-7
  • Rupprom, K., Thongpanich, Y., Sukkham, W., Utrarachkij, F., & Kittigul, L. (2024). Surveillance of norovirus, SARS-CoV-2, and bocavirus in air samples collected from a tertiary care hospital in Thailand. Scientific Reports, 14(1), 22240. https://doi.org/10.1038/s41598-024-73369-w
  • Toyting, J., Nuanmuang, N., Utrarachkij, F., Supha, N., Thongpanich, Y., Leekitcharoenphon, P., Aarestrup, F. M., Sato, T., Thapa, J., Nakajima, C., & Suzuki, Y. (2024). Genomic analysis of Salmonella isolated from canal water in Bangkok, Thailand. Microbiology Spectrum, 12(5), e0421623. https://doi.org/10.1128/spectrum.04216-23
  • Toyting, J., Supha, N., Thongpanich, Y., Thapa, J., Nakajima, C., Suzuki, Y., & Utrarachkij, F. (2024). Wide distribution of plasmid mediated quinolone resistance gene, qnrS, among Salmonella spp. isolated from canal water in Thailand. Journal of Applied Microbiology, 135(6), lxae134. https://doi.org/10.1093/jambio/lxae134
  • Toyting, J., Miura, N., Utrarachkij, F., Tanomsridachchai, W., Belotindos, L. P., Suwanthada, P., Kapalamula, T. F., Kongsoi, S., Koide, K., Kim, H., Thapa, J., Nakajima, C., & Suzuki, Y. (2023). Exploration of the novel fluoroquinolones with high inhibitory effect against quinolone-resistant DNA gyrase of Salmonella Typhimurium. Microbiology Spectrum, 11(6), e0133023. https://doi.org/10.1128/spectrum.01330-23
  • Koide, K., San, L. L., Pachanon, R., Park, J.-H., Ouchi, Y., Kongsoi, S., Utrarachkij, F., Nakajima, C., & Suzuki, Y. (2021). Amino Acid Substitution Ser83Ile in GyrA of DNA Gyrases Confers High-Level Quinolone Resistance to Nontyphoidal Salmonella Without Loss of Supercoiling Activity. Microbial Drug Resistance, 27(10), 1397–1404. https://doi.org/10.1089/mdr.2020.0437
  • Utrarachkij, F., Nakajima, C., Changkwanyeun, R., Siripanichgon, K., Kongsoi, S., Pornruangwong, S., Changkaew, K., Tsunoda, R., Tamura, Y., Suthienkul, O., & Suzuki, Y. (2017). Quinolone Resistance Determinants of Clinical Salmonella Enteritidis in Thailand. Microbial Drug Resistance, 23(7), 885–894. https://doi.org/10.1089/mdr.2015.0234
  • Utrarachkij, F., Nakajima, C., Siripanichgon, K., Changkaew, K., Thongpanich, Y., Pornraungwong, S., Suthienkul, O., & Suzuki, Y. (2016). Genetic diversity and antimicrobial resistance pattern of Salmonella enterica serovar Enteritidis clinical isolates in Thailand. Journal of Infection and Chemotherapy, 22(4), 209–215. https://doi.org/10.1016/j.jiac.2015.12.011
  • Changkaew, K., Intarapuk, A., Utrarachkij, F., Nakajima, C., Suthienkul, O., & Suzuki, Y. (2015). Antimicrobial Resistance, Extended-Spectrum β-Lactamase Productivity, and Class 1 Integrons in Escherichia coli from Healthy Swine. Journal of Food Protection, 78(8), 1442–1450. https://doi.org/10.4315/0362-028X.JFP-14-445
  • Kongsoi, S., Yokoyama, K., Suprasert, A., Utrarachkij, F., Nakajima, C., Suthienkul, O., & Suzuki, Y. (2015). Characterization of Salmonella Typhimurium DNA gyrase as a target of quinolones. Drug Testing and Analysis, 7(8), 714–720. https://doi.org/10.1002/dta.1744
  • Changkaew, K., Utrarachkij, F., Siripanichgon, K., Nakajima, C., Suthienkul, O., & Suzuki, Y. (2014). Characterization of antibiotic resistance in Escherichia coli isolated from shrimps and their environment. Journal of Food Protection, 77(8), 1394–1401. https://doi.org/10.4315/0362-028X.JFP-13-510
  • Yamaguchi, N., Nishiguchi, T., Utrarachkij, F., Suthienkul, O., & Nasu, M. (2013). 16S ribosomal RNA gene-based phylogenetic analysis of abundant bacteria in river, canal and potable water in Bangkok, Thailand. Biological & Pharmaceutical Bulletin, 36(5), 872–876. https://doi.org/10.1248/bpb.b13-00012