Ntombikayise Precious Nkomo

ORCID: 0000-0002-6026-0141
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About
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Research Areas
  • Plant-Microbe Interactions and Immunity
  • Plant Pathogenic Bacteria Studies
  • Bacterial biofilms and quorum sensing
  • Vibrio bacteria research studies

University of Pretoria
2019-2020

The complexity of plant microbial communities provides a rich model for investigating biochemical and regulatory strategies involved in interbacterial competition. Within these niches, the soft rot Enterobacteriaceae (SRE) represents an emerging group plant-pathogens causing rot/blackleg diseases resulting economic losses worldwide variety crops. A preliminary screening using next-generation sequencing 16S rRNA comparatively analyzing healthy diseased potato tubers, identified several taxa...

10.3389/fmicb.2019.02379 article EN cc-by Frontiers in Microbiology 2019-10-18

In this study, we examine the impact of transcriptional network rearrangements driven by horizontal gene acquisition in PhoP and SlyA regulons using as a case study phytopathosystem comprised potato tubers soft-rot pathogen Pectobacterium brasiliense 1692 (Pb1692). Genome simulations statistical analyses uncovered tendency networks to mobilize lineage-specific traits predicted transfer at late infection, highlighting prominence regulatory stage infection. The evidence further supports...

10.1128/msystems.00650-19 article EN cc-by mSystems 2020-01-27

ABSTRACT In this study, we examine the impact of transcriptional network rearrangements driven by horizontal gene acquisition in PhoP and SlyA regulons using as a case study phytopathosystem comprised potato tubers soft rot pathogen Pectobacterium carotovorum subsp. brasiliense ( Pcb 1692). By comparing those two networks with that PecS obtained from closely related Dickeya dadantii , found that: (a) 24-31% genes regulated at late infection are genus-specific (GS) (based on genera), (b)...

10.1101/776476 preprint EN cc-by-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-09-20
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