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Microbial and parasitic contamination of fresh raw vegetable samples and detection of the blatem and blactx-m genes from e. coli isolates
Ghimire, Alina1; Upadhyaya, Jitendra2; Nayaju, Tulsi1; Lekhak, Binod3; Chaudhary, Dhiraj Kumar4; Raghavan, Vijaya2; Pant, Bhoj Raj5; Bajgai, Tirtha Raj6; Koirala, Niranjan7,8; Upreti, Milan Kumar1
2020-08-07
Source PublicationAGRICULTURE-BASEL
ISSN2077-0472
Volume10Issue:8Pages:341
Abstract

A total of 100 fresh-raw vegetable samples were collected from the Kathmandu, Lalitpur and Bhaktapur districts of Nepal to evaluate microbial and parasitic contamination, presence of Extended Spectrum Beta Lactamase (ESBL)-producing Escherichia coli and detect the blaTEM and blaCTX-M genes among the Escherichia coli isolates. This study revealed that the prevalence of Giardia cysts was highest (100%) and Hookworm and Entamoeba coli were lowest (1% each). Coliforms were isolated from every raw vegetable sample. A total of 178 bacterial isolates were isolated among which 57 isolates were identified as E. coli, out of which 33 were Multi-drug resistant (MDR) isolates. The high rate of resistance was found towards amoxicillin/clavulanate, tetracycline and cotrimoxazole. The 10 E. coli isolates tested positive in an ESBL screening, out of which 4 were confirmed as ESBL producers by a combined disc test. Out of these 4 confirmed ESBL E. coli, one was found to carry both the blaTEM gene and blaCTX-M genes by the Polymerase Chain Reaction (PCR) technique. One isolate has only the blaTEM gene, while other isolate harboured only blaCTX-M genes.

KeywordAst Coliform Bacteria Esbl Kathmandu Valley Mdr Parasite Raw Vegetable
DOI10.3390/agriculture10080341
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAgriculture
WOS SubjectAgronomy
WOS IDWOS:000579589500001
PublisherMDPI
Scopus ID2-s2.0-85090688769
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorKoirala, Niranjan; Upreti, Milan Kumar
Affiliation1.Department of Microbiology, GoldenGate International College, Kathmandu, 44600, Nepal
2.Department of Bioresource Engineering, McGill University, Montreal, Macdonald Campus, 21, 111 Lakeshore Road, Ste-Anne-de-Bellevue, H2Y1C6, Canada
3.Central Department of Microbiology, Tribhuvan University, Kathmandu, 44600, Nepal
4.Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, 16222, South Korea
5.Nepal Academy of Science and Technology, Khumaltar, 44600, Nepal
6.Minhas Microbrewery, Distillery and Winery, Calgary, 1314 44 Ave NE, T2E6L6, Canada
7.Laboratory of Biotechnology, Faculty of Science and Technology, University of Macau, Macao, 999078, Macao
8.Department of Natural Products Research, Dr. Koirala Research Institute for Biotechnology and Biodiversity, Kathmandu, 44600, Nepal
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Ghimire, Alina,Upadhyaya, Jitendra,Nayaju, Tulsi,et al. Microbial and parasitic contamination of fresh raw vegetable samples and detection of the blatem and blactx-m genes from e. coli isolates[J]. AGRICULTURE-BASEL, 2020, 10(8), 341.
APA Ghimire, Alina., Upadhyaya, Jitendra., Nayaju, Tulsi., Lekhak, Binod., Chaudhary, Dhiraj Kumar., Raghavan, Vijaya., Pant, Bhoj Raj., Bajgai, Tirtha Raj., Koirala, Niranjan., & Upreti, Milan Kumar (2020). Microbial and parasitic contamination of fresh raw vegetable samples and detection of the blatem and blactx-m genes from e. coli isolates. AGRICULTURE-BASEL, 10(8), 341.
MLA Ghimire, Alina,et al."Microbial and parasitic contamination of fresh raw vegetable samples and detection of the blatem and blactx-m genes from e. coli isolates".AGRICULTURE-BASEL 10.8(2020):341.
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