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Diverse genotypes of norovirus genogroup Ⅰ and Ⅱ contamination in environmental water in Thailand during the COVID-19 outbreak from 2020 to 2022

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Virologica Sinica 2024年第4期39卷 556-564页

作者： Kattareeya Kumthip Pattara Khamrin Aksara Thongprachum rungnapa malasao Arpaporn Yodmeeklin Hiroshi Ushijima Niwat Maneekarn Department of Microbiology Faculty of MedicineChiang Mai UniversityChiang MaiThailand Center of Excellence(Emerging and Re-emerging Diarrheal Viruses) Chiang Mai UniversityChiang MaiThailand Faculty of Public Health Chiang Mai UniversityChiang MaiThailand Department of Community Medicine Faculty of MedicineChiang Mai UniversityChiang MaiThailand Department of Pathology and Microbiology Nihon University School of MedicineTokyoJapan

Noroviruses(NoVs)are the most significant viral pathogens associated with waterborne and foodborne outbreaks of nonbacterial acute gastroenteritis in humans *** study aimed to investigate the prevalence and diversity of NoVs contaminated in the environmental water in Chiang Mai,Thailand.A total of 600 environmental water samples were collected from ten sampling sites in Chiang Mai from July 2020 to December *** presence of NoV genogroups I(GI),GII,and GIV were examined using real-time RT-PCR *** genotype of the virus was determined by nucleotide sequencing and phylogenetic *** results showed that NoV GI and GII were detected at 8.5%(51/600)and 11.7%(70/600)of the samples tested,***,NoV GIV was not detected in this *** circulated throughout the year,with a higher detection rate during the winter *** NoV GI genotypes(GI.1-GI.6)and eight NoV GII genotypes(GII.2,GII.3,GII.7,GII.8,GII.10,GII.13,GII.17,and GII.21)were *** 121 NoV strains detected,GII.17 was the most predominant genotype(24.8%,30 strains),followed by GII.2(21.5%,26 strains),GI.3(17.4%,21 strains),and GI.4(16.5%,20 strains).Notably,NoV GII.3,GII.7,GII.8,and GII.10 were detected for the first time in water samples in this *** study provides insight into the occurrence and seasonal pattern of NoV along with novel findings of NoV strains in environmental water in Thailand during the COVID-19 *** findings emphasize the importance of further surveillance studies to monitor viral contamination in environmental water.

关键词： Detection Environmental water Norovirus(NoVs) Wastewater Thailand

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Efficient degradation of dye pollutants in wastewater via photocatalysis using a magnetic zinc oxide/graphene/iron oxide-based catalyst

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Water Science and Engineering 2023年第3期16卷 243-251页

作者： Piyawan Nuengmatcha Arnannit Kuyyogsuy Paweena Porrawatkul rungnapa Pimsen Saksit Chanthai Prawit Nuengmatcha Department of Environmental Science Faculty of Science and TechnologyNakhon Si Thammarat Rajabhat UniversityNakhon Si Thammarat 80280Thailand Department of Chemistry Nanomaterials Chemistry Research UnitFaculty of Science and TechnologyNakhon Si Thammarat Rajabhat UniversityNakhon Si Thammarat 80280Thailand Materials Chemistry Research Center Department of Chemistry and Center of Excellence for Innovation in ChemistryFaculty of ScienceKhon Kaen UniversityKhon Kaen 40002Thailand Creative Innovation in Science and Technology Faculty of Science and TechnologyNakhon Si Thammarat Rajabhat UniversityNakhon Si Thammarat 80280Thailand

In this paper, we present a proof-of-concept study of the enhancement of photocatalytic activity via a combined strategy of fabricating a visible-light responsive ternary heterostructure and improving overall photostability by incorporating magnetic zinc oxide/graphene/iron oxide (ZGF). A solvothermal approach was used to synthesize the catalyst. X-ray diffraction (XRD), scanning electron microscopic, energy dispersive X-ray, transmission electron microscopic, vibrating sample magnetometric, and ultraviolet–visible diffuse reflectance spectroscopic techniques were used to characterize the synthesized samples. The obtained optimal Zn(NO_(3))_(2) concentration, temperature, and heating duration were 0.10 mol/L, 600℃, and 1 h, respectively. The XRD pattern revealed the presence of peaks corresponding to zinc oxide, graphene, and iron oxide, indicating that the ZGF catalyst was effectively synthesized. Furthermore, when the developed ZGF was used for methylene blue dye degradation, the optimum irradiation time, dye concentration, catalyst dosage, irradiation intensity, and solution pH were 90 min, 10 mg/L, 0.03 g/L, 100 W, and 8.0, respectively. Therefore, the synthesized ZGF system could be used as a catalyst to degrade dyes in wastewater samples. This hybrid nanocomposite consisting of zinc oxide, graphene, and iron oxide could also be used as an effective photocatalytic degrader for various dye pollutants.

关键词： Magnetic zinc oxide/graphene/iron oxide Photocatalysis Dye pollutants Catalyst Degradation

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Molecular profiles and long-term outcomes of Thai children with hepatic glycogen storage disease in Thailand

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World Journal of Clinical Pediatrics 2024年第4期13卷 25-36页

作者： Jaravee Vanduangden rungnapa Ittiwut Chupong Ittiwut Teerasak Phewplung Anapat Sanpavat Palittiya Sintusek Kanya Suphapeetiporn Department of Pediatrics Chulalongkorn UniversityBangkok 10330Thailand Center of Excellence for Medical Genomics Department of PediatricsExcellence Center for Genomics and Precision MedicineChulalongkorn UniversityBangkok 10330Thailand Department of Pediatrics Excellence Center of Genomics and Precision MedicineBangkok 10330Thailand Department of Radiology Chulalongkorn UniversityBangkok 10330Thailand Department of Pathology Chulalongkorn UniversityBangkok 10330Thailand Center of Excellence in Thai Pediatric Gastroenterology Hepatology and ImmunologyDivision of GastroenterologyDepartment of PediatricsKing Chulalongkorn Memorial HospitalChulalongkorn UniversityBangkok 10330Thailand Center of Excellence for Medical Genetics Department of PediatricsKing Chulalongkorn Mem HospDept PediatDiv Med Genet and MetabSor Kor BldgChulalongkorn UniversityBangkok 10330Thailand

BACKGROUND Thus far,genetic analysis of patients clinically diagnosed with glycogen storage diseases(GSDs)in Thailand has not been *** To evaluate the clinical and biochemical profiles,molecular analysis and long-term outcomes of Thai children diagnosed with hepatic *** Children aged<18 years diagnosed with hepatic GSD and followed up at King Chulalongkorn Memorial Hospital were ***-exome sequencing(WES)was performed to identify the causative gene *** records were *** All eight children with histopathologically confirmed diagnosis were classified by WES into subtypes Ia(n=1),III(n=3),VI(n=3),and IX(n=1).A total number of 10 variants were identified including G6PC(n=1),AGL(n=4),PYGL(n=5),and PHKA2(n=1).AGL had two novel *** clinical manifestations were hepatomegaly(n=8),doll-like facies(n=3),wasting(n=2),and stunting(n=5).All patients showed hypoglycemia,transaminitis,and *** mainstay of treatment was cornstarch supplementation and high-protein and low-lactosefructose *** a median follow-up time of 9.59 years,height turned to normal for age in 3/5 patients and none had *** enzymes,blood sugar,and lipid profiles improved in *** Hepatomegaly,transaminitis,and hypoglycemia are the hallmarks of GSD confirmed by liver *** analysis can confirm the diagnosis or classify the subtype that might benefit from personalized treatment,prognosis,and long-term care.

关键词： Storage disease Hypoglycemia Pediatric Whole exome sequencing Novel variants Thailand

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Identification of QTLs for Blast, Bacterial Blight, and Planthopper Resistance Using SNP-Based Linkage Maps from Two Recombinant Inbred Rice Lines

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American Journal of Plant Sciences 2019年第5期10卷 760-779页

作者： Jirapong Jairin Phanchita Vejchasarn Thanapa Somjai Kanuengnij Srivilai Kulchana Darwell Phikul Leelagud rungnapa Kawichai Jate Kotcharerk Arissara Suthanthangjai Nattaya Popa Suphalaksana Lachanthuek Varapong Chamarerk Ubon Ratchathani Rice Research Center Mueang Ubon Ratchathani Thailand Sakon Nakhon Rice Research Center Mueang Sakon Nakhon Thailand Phrae Rice Research Center Mueang Phrae Thailand Phitsanulok Rice Research Center Wang Thong Phitsanulok Thailand GenePlus Co. Ltd. Huai Khwang Bangkok Thailand Rice Department Chatuchak Bangkok Thailand

Rice is the most significant global food security. Several biotic factors limit rice production, breeding biotic-resistant rice has, therefore, become an increasingly important goal. Two elite rice lines, IR71033-121-15 (IR71033) and IR57514-PMI-5-B-1-2 (IR57514), provide potential genes for biotic stress resistance traits. In this study, genotyping by sequencing (GBS) for single nucleotide polymorphism (SNP)-based linkage map construction was used to detect quantitative trait loci (QTLs) for blast (BL), bacterial blight (BB), whitebacked planthopper (WBPH), and brown planthopper (BPH) resistance. IR71033 was derived from Oryza minuta and carried BL, BB, WBPH, and BPH resistance QTLs. IR57514 is a well-adapted rainfed lowland line that carries BL and BB resistance QTLs. Two sets of recombinant inbred line (RIL) populations derived from crosses of KDML105 × IR71033 and KDML105 × IR57514 were used to dissect the genetic basis of disease and insect pest resistance. The RIL populations were evaluated for BL, BB, WBPH, and BPH resistance from 2016 to 2018 at four rice research centers in Thailand. From these, we identified a large number of SNPs through GBS and constructed high-resolution linkage maps. By combining phenotypic evaluation with the GBS data, a total of 24 QTLs on four chromosomes were detected that confered pest resistance and explained 7.3% - 61.4% of the phenotypic variance. These findings should facilitate identifying novel resistance genes and applying marker-assisted selection for resistance to the four major rice pests investigated here. These strategies will improve the resilience and reliability of rice varieties adapted to the low-yielding environment of rainfed lowland areas worldwide.

关键词： Recombinant Inbred Line Genotyping by Sequencing Resistance Gene Rainfed Lowland Rice Single Nucleotide Polymorphism Quantitative Trait Locus

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