Inhibitory effects of different lactobacilli on Candida albicans hyphal formation and biofilm development. 2014

C F Orsi, and C Sabia, and A Ardizzoni, and B Colombari, and R G Neglia, and S Peppoloni, and G Morace, and E Blasi
Department of Health Sciences, University of Milan, Milan, Italy.

The aim of this study was to investigate the effects of different species of Lactobacilli on hyphal formation and biofilm development by the opportunistic fungal pathogen Candida albicans. We employed 4 different Lactobacillus species, namely L. rhamnosus, L. acidophilus, L. plantarum and L. reuteri, and 2 C. albicans strains, the reference DAY286 and its isogenic hwp1/hwp1 mutant, the FJS24 strain. As assessed by morphological analysis and quantitative colorimetric assays, Lactobacillus crude filtrate supernatant fluids (CFSF) affected Candida, impairing both hyphal formation and biofilm production. The CFSF-mediated phenomenon occurred in a dilution- and time-dependent manner and was consistently observed, irrespective of the C. albicans HWP1 genotype.

UI MeSH Term Description Entries
D007778 Lactobacillus A genus of gram-positive, microaerophilic, rod-shaped bacteria occurring widely in nature. Its species are also part of the many normal flora of the mouth, intestinal tract, and vagina of many mammals, including humans. Lactobacillus species are homofermentative and ferment a broad spectrum of carbohydrates often host-adapted but do not ferment PENTOSES. Most members were previously assigned to the Lactobacillus delbrueckii group. Pathogenicity from this genus is rare.
D002176 Candida albicans A unicellular budding fungus which is the principal pathogenic species causing CANDIDIASIS (moniliasis). Candida albicans var. stellatoidea,Candida stellatoidea,Dematium albicans,Monilia albicans,Myceloblastanon albicans,Mycotorula albicans,Parasaccharomyces albicans,Procandida albicans,Procandida stellatoidea,Saccharomyces albicans,Syringospora albicans
D018441 Biofilms Encrustations formed from microbes (bacteria, algae, fungi, plankton, or protozoa) embedded in an EXTRACELLULAR POLYMERIC SUBSTANCE MATRIX that is secreted by the microbes. They occur on body surfaces such as teeth (DENTAL DEPOSITS); inanimate objects, and bodies of water. Biofilms are prevented from forming by treating surfaces with DENTIFRICES; DISINFECTANTS; ANTI-INFECTIVE AGENTS; and anti-fouling agents. Biofilm
D025301 Hyphae Microscopic threadlike filaments in FUNGI that are filled with a layer of protoplasm. Collectively, the hyphae make up the MYCELIUM. Hypha,Hyphas

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