• Publications
  • Influence
Characterization of integrons and tetracycline resistance determinants in Aeromonas spp. isolated from South African aquaculture systems.
  • L. Jacobs, H. Chenia
  • Biology, Medicine
  • International journal of food microbiology
  • 20 March 2007
An increasing incidence of multidrug resistance amongst Aeromonas spp. isolates, which are both fish pathogens and emerging opportunistic human pathogens, has been observed worldwide. This can beExpand
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Evaluation of Adherence, Hydrophobicity, Aggregation, and Biofilm Development of Flavobacterium johnsoniae-Like Isolates
Flavobacterium spp. isolates have been identified in diverse biofilm structures, but the mechanism of adherence has not been elucidated. The absence of conventional biofilm-associated structures suchExpand
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Phenotypic and molecular characterisation of fish-borne Flavobacterium johnsoniae-like isolates from aquaculture systems in South Africa.
Fish infections caused by pathogenic Flavobacterium species are a major problem in the aquaculture industry worldwide, often leading to large economic losses. Thirty-two Flavobacterium spp. isolates,Expand
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Triterpenoids from Vernonia auriculifera Hiern exhibit antimicrobial activity
Phytochemical investigation of Vernonia auriculifera afforded farnesylamine, a sesquiterpene amine that has not been found previously in plant species, together with lupenyl acetate, oleanolic acid,Expand
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Antibacterial and anti-adhesion activity of the pentacyclic triterpenoids isolated from the leaves and edible fruits of Carissa macrocarpa
Four pentacyclic oleanane triterpenes (β-amyrin, methyl oleanolate, oleanolic acid and 3β-hydroxyolean-11-en-28,13β-olide) were isolated from the fruits of Carissa macrocarpawhilst the ursaneExpand
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Analysis of the mechanisms of fluoroquinolone resistance in urinary tract pathogens.
OBJECTIVES To characterize the mechanisms of fluoroquinolone resistance in urinary tract pathogens exhibiting a multiple antibiotic resistance phenotype as well as a high-level resistance toExpand
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Anti-Quorum Sensing Potential of Crude Kigelia africana Fruit Extracts
  • H. Chenia
  • Biology, Computer Science
  • Sensors
  • 27 February 2013
TLDR
The increasing incidence of multidrug-resistant pathogens has stimulated the search for novel anti-virulence compounds. Expand
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Biofilm formation and adherence characteristics of an Elizabethkingia meningoseptica isolate from Oreochromis mossambicus
BackgroundElizabethkingia spp. are opportunistic pathogens often found associated with intravascular device-related bacteraemias and ventilator-associated pneumonia. Their ability to exist as biofilmExpand
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The impact of plant volatiles on bacterial quorum sensing
Studies describing the use of essential oil constituents as antimicrobial agents have steadily increased; however, some phyto‐constituents are often overlooked due to unfavourable minimum inhibitoryExpand
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Antibacterial and antioxidant activities of flavonoids from Lannea alata (Engl.) Engl. (Anacardiaceae)
Abstract Two new prenylated flavonoids, lanneaflavonol ( 1 ) and dihydrolanneaflavonol ( 2 ) together with the known compounds myricetin-3- O -α-rhamnopyranoside (myricitrin) ( 3 ) and myricetin-3- OExpand
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