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Prof 

Madoroba, Evelyn

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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  • PublicationJournal Article
    Vermicompost (VC) harbours diverse microbes, including plant growth-promoting microorganisms (PGPM) that are beneficial for sustainable crop production. Hence, this study aimed to analyse bacterial diversity of VC samples as a first highthroughput screening step towards subsequent targeted isolation of potential bacterial inoculum candidates. To achieve this, bacterial communities in VC collected from five production farms were enriched in nutrient-rich media before highthroughput sequence (HTS) analysis of the partial 16S rRNA gene. HTS analysis revealed 572 amplicon sequence variants (ASVs) in all enriched VC samples. Firmicutes, Proteobacteria, Planctomycetes and Bacteroidetes were the most dominant phyla, while Lysinibacillus, Escherichia-Shigella, Bacillus, Pseudomonas, Clostridium sensu stricto 1, Morganella, Vibrio and Aeromonas were the predominant genera across the enriched VC. The presence of Clostridium sensu stricto 1, Escherichia-Shigella and Vibrio genera, which are potentially pathogenic species, suggests the need to improve vermicomposting efficiency and safety. Predicted functional profiling of the bacterial communities using PICRUSt2 showed abundance profiles of nitrogenases, phosphatases and sulfatases. In addition, the potential to produce siderophore, indole acetic acids (IAA) and phytohormone regulator 1-aminocyclopropane-1-carboxylate (ACC) were predicted. Lysinibacillus, Bacillus, Paenibacillus and Pseudomonas were major bacterial communities with potential plant growth-promoting traits and could serve as resources in bacterial inoculum production. The findings in this study provide insight into the community composition, abundance and the potential functional capability of cultivable bacterial species of enriched VC. This study also points to VC as a suitable source of potentially beneficial bacterial candidates for inoculum production
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