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Prof 

Madoroba, Evelyn

Faculty: Faculty of Science, Agriculture and Engineering
Department: Biochemistry and Microbiology
ORCID: https://orcid.org/0000-0002-5400-343X
Research Interest(s): Antimicrobial resistance, Microbial genomics, Foodborne and zoonotic pathogens, Bioprospecting for antimicrobial compounds from marine environmens.
Active Research Project(s): Bioprospecting for marine microorganisms with antimicrobial properties against salmonella species and campylobacter species from poultry sources. Development of fermented ready to prepare sorghum flour and accessory products.
Biography: Professor Evelyn Madoroba is a Professor of Microbiology in the Department of Biochemistry and Microbiology at the University of Zululand. She rated by the National Research Foundation of South Africa as a researcher in category C2. She has published over 35 peer reviewed manuscripts. Prof Madoroba has published two book chapters and successfully completed National Surveillance of nine foodborne pathogens in meat and meat products in South Africa. She has successfully supervised/ co-supervised 10 MSc and three PhD students. Shei s currently supervising/ co-supervising nine postgraduate students. Professor Evelyn Madoroba has contributed to more than 30 local and international conferences.
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More Detail

20201
Author: Matle, Itumeleng × Subject: clone complexes ×
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    PublicationJournal Article
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    Population structure of non-ST6 listeria monocytogenes isolated in the red meat and poultry value chain in South Africa
    2020
     | MDPI
    Meat products have been implicated in many listeriosis outbreaks globally, however there is a dearth of information on the diversity of L. monocytogenes isolates circulating in food products in South Africa. The aim of this study was to investigate the population structure of L. monocytogenes isolated in the meat value chain within the South African market. Based on whole-genome sequence analysis, a total of 217 isolates were classified into two main lineage groupings namely lineages I (n = 97; 44.7%) and II (n = 120; 55.3%). The lineage groups were further differentiated into IIa (n = 95, 43.8%), IVb (n = 69, 31.8%), IIb (n = 28, 12.9%), and IIc (n = 25, 11.5%) sero-groups. The most abundant sequence types (STs) were ST204 (n = 32, 14.7%), ST2 (n = 30, 13.8%), ST1 (n = 25, 11.5%), ST9 (n = 24, 11.1%), and ST321 (n = 21, 9.7%). In addition, 14 clonal complex (CCs) were identified with over-representation of CC1, CC3, and CC121 in “Processed Meat-Beef”, “RTE-Poultry”, and “Raw-Lamb” meat categories, respectively. Listeria pathogenic islands were present in 7.4% (LIPI-1), 21.7% (LIPI-3), and 1.8% (LIPI-4) of the isolates. Mutation leading to premature stop codons was detected in inlA virulence genes across isolates identified as ST121 and ST321. The findings of this study demonstrated a high-level of genomic diversity among L. monocytogenes isolates recovered across the meat value chain control points in South Africa.
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