Peeraya Ekchariyawat
PEERAYA EKCHARIYAWAT
Assistant Professor, Ph.D.
ผู้ช่วยศาสตราจารย์ ดร.พีรยา เอกจริยาวัฒน์
Immunology Infectious Diseases Environmental Microbiology

Contact

  • peeraya.ekc@mahidol.ac.th
  • +66 2354 8543-9 ext. 6510
  • Department of Microbiology, Faculty of Public Health, Mahidol University

Profiles
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About

An infectious disease immunologist and microbiologist with expertise in host-pathogen interactions, antimicrobial resistance, and immune responses to emerging and re-emerging pathogens. Research focuses on elucidating molecular and cellular mechanisms of infection, including dengue virus immunity, melioidosis-associated inflammation, and translational approaches for pathogen detection to strengthen public health systems. Actively engaged in interdisciplinary and international collaborations addressing global health security and evidence-based infectious disease control.

Education

Ph.D. (Microbiology)
Mahidol University, Thailand
2012
M.Sc. (Microbiology)
Mahidol University, Thailand
2005
B.Sc. (Biology)
Mahidol University, Thailand
Second Class Honors
2002

Research Interests

Immune response against viral and bacterial infectious diseases
Detection methods of pathogenic microorganisms in environments

Publications | Academic Works

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  • Nindee, J., Ekchariyawat, P., Pingkul, N., Thananate, W., Panyasu, K., Bunyamali, T., Penwichit, P., Puttikhunt, C., Sangiambut, S., & Junjhon, J. (2025). Seroepidemiological surveillance of neutralizing antibodies against dengue virus serotypes among healthy adults in Bangkok, Thailand. One Health (Amsterdam, Netherlands), 21, 101202. https://doi.org/10.1016/j.onehlt.2025.101202
  • Ketkhao, P., Utrarachkij, F., Parikumsil, N., Poonchareon, K., Kerdsin, A., Ekchariyawat, P., Narongpun, P., Nakajima, C., Suzuki, Y., & amp; 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
  • Khongpraphan, S., Ekchariyawat, P., Sanongkiet, S., Luangjindarat, C., Sirisinha, S., Ponpuak, M., Midoeng, P., Pudla, M., & Utaisincharoen, P. (2024). Differentiation in pyroptosis induction by Burkholderia pseudomallei and Burkholderia thailandensis in primary human monocytes, a possible cause of sepsis in acute melioidosis patients. PLoS Neglected Tropical Diseases, 18(7), e0012368. https://doi.org/10.1371/journal.pntd.0012368
  • Wright, S. W., Ekchariyawat, P., Sengyee, S., Phunpang, R., Dulsuk, A., Saiprom, N., Thiansukhon, E., Pattanapanyasat, K., Korbsrisate, S., West, T. E., & amp; Chantratita, N. (2024). Dysfunctional host cellular immune responses are associated with mortality in melioidosis. Emerging Microbes & Infections, 13(1), 2380822. https://doi.org/10.1080/22221751.2024.2380822
  • Wright, S. W., Sengyee, S., Ekchariyawat, P., Phunpang, R., Dulsuk, A., Rerolle, G., Bashmail, A., Chantratita, N., Gharib, S. A., & amp; West, T. E. (2024). Γδ T Cells Mediate Protection against Neutrophil-associated Lung Inflammation in Pulmonary Melioidosis. American Journal of Respiratory Cell and Molecular Biology, 71(5), 546–558. https://doi.org/10.1165/rcmb.2024-0072OC
  • Ekchariyawat, P., Saengfak, R., Sanongkiet, S., Charoenwongpaiboon, T., Khongpraphan, S., Mala, S., Luangjindarat, C., Munyoo, B., Chabang, N., Charoensutthivarakul, S., Borwornpinyo, S., Tuchinda, P., Ponpuak, M., Pudla, M., & Utaisincharoen, P. (2023). ECDD-S16 targets vacuolar ATPase: A potential inhibitor compound for pyroptosis-induced inflammation. PloS One, 18(11), e0292340. https://doi.org/10.1371/journal.pone.0292340
  • Fen, S. H. Y., Tandhavanant, S., Phunpang, R., Ekchariyawat, P., Saiprom, N., Chewapreecha, C., Seng, R., Thiansukhon, E., Morakot, C., Sangsa, N., Chayangsu, S., Chuananont, S., Tanwisaid, K., Silakun, W., Buasi, N., Chaisuksant, S., Hompleum, T., Chetchotisakd, P., Day, N. P. J., … Chantratita, N. (2023). Antibiotic susceptibility of clinical Burkholderia pseudomallei isolates in northeast Thailand during 2015-2018 and the genomic characterization of β-lactam-resistant isolates. Antimicrobial Agents and Chemotherapy, 95(5), AAC.02230-20. https://doi.org/10.1128/AAC.02230-20
  • Muangnapoh, C., Tamboon, E., Supha, N., Toyting, J., Chitrak, A., Kitkumthorn, N., Ekchariyawat, P., Iida, T., & Suthienkul, O. (2022). Multilocus Sequence Typing and Virulence Potential of Vibrio parahaemolyticus Strains Isolated from Aquatic Bird Feces. Microbiology Spectrum, 10(3), e0088622. https://doi.org/10.1128/spectrum.00886-22
  • Pudla, M., Sanongkiet, S., Ekchariyawat, P., Luangjindarat, C., Ponpuak, M., & Utaisincharoen, P. (2022). TLR9 Negatively Regulates Intracellular Bacterial Killing by Pyroptosis in Burkholderia pseudomallei-Infected Mouse Macrophage Cell Line (Raw264.7). Microbiology Spectrum, 10(5), e0348822. https://doi.org/10.1128/spectrum.03488-22
  • Junjhon, J., Panyasu, K., Chaiyaloom, S., Saipin, K., Somasa, P., Sangiambut, S., Puttikhunt, C., Sriburi, R., Keelapang, P., Ekchariyawat, P., Avirutnan, P., Hirunpetcharat, C., & Sittisombut, N. (2021). Generation and characterization of luciferase-secreting, single-round infectious DENV-2 reporter for functional antibody assays. Journal of Virological Methods, 291, 114119. https://doi.org/10.1016/j.jviromet.2021.114119
  • Rungrojn, A., Chaisiri, K., Paladsing, Y., Morand, S., Junjhon, J., Blacksell, S. D., & Ekchariyawat, P. (2021). Prevalence and Molecular Characterization of Rickettsia spp. From Wild Small Mammals in Public Parks and Urban Areas of Bangkok Metropolitan, Thailand. Tropical Medicine and Infectious Disease, 6(4). https://doi.org/10.3390/tropicalmed6040199
  • Wright, S. W., Kaewarpai, T., Lovelace-Macon, L., Ducken, D., Hantrakun, V., Rudd, K. E., Teparrukkul, P., Phunpang, R., Ekchariyawat, P., Dulsuk, A., Moonmueangsan, B., Morakot, C., Thiansukhon, E., Limmathurotsakul, D., Chantratita, N., & West, T. E. (2021). A 2-Biomarker Model Augments Clinical Prediction of Mortality in Melioidosis. Clinical Infectious Diseases, 72(5), 821–828. https://doi.org/10.1093/cid/ciaa126
  • Yimthin, T., Cliff, J. M., Phunpang, R., Ekchariyawat, P., Kaewarpai, T., Lee, J.-S., Eckold, C., Andrada, M., Thiansukhon, E., Tanwisaid, K., Chuananont, S., Morakot, C., Sangsa, N., Silakun, W., Chayangsu, S., Buasi, N., Day, N., Lertmemongkolchai, G., Chantratita, W., … Chantratita, N. (2021). Blood transcriptomics to characterize key biological pathways and identify biomarkers for predicting mortality in melioidosis. Emerging Microbes & Infections, 10(1), 8–18. https://doi.org/10.1080/22221751.2020.1858176
  • Pumpuang, A., Phunpang, R., Ekchariyawat, P., Dulsuk, A., Loupha, S., Kwawong, K., Charoensawat, Y., Thiansukhon, E., Day, N. P. J., Burtnick, M. N., Brett, P. J., West, T. E., & Chantratita, N. (2019). Distinct classes and subclasses of antibodies to hemolysin co-regulated protein 1 and O-polysaccharide and correlation with clinical characteristics of melioidosis patients. Scientific Reports, 9(1), 13972. https://doi.org/10.1038/s41598-019-48828-4