diplomsko delo
Hana Hadžić (Avtor), Tjaša Danevčič (Mentor)

Povzetek

patogenih mikroorganizmov in prispevajo k zdravju gostitelja. Najpogosteje preučevani so predstavniki iz rodov Lactobacillus in Bifidobacterium, ki se pogosto uporabljajo v fermentiranih živilih in prehranskih dopolnilih. Med najpomembnejšimi mehanizmi delovanja probiotikov so sinteza protimikrobnih spojin (bakteriocini, vodikov peroksid, organske kisline), kompeticija za adhezijska mesta in hranila na črevesnem epiteliju, izboljšava črevesne epitelne pregrade, uravnavanje sinteze nevrotransmiterjev in signalne poti osi črevesje–možgani ter imunomodulacija. Čeprav je pozitiven vpliv probiotikov na zdravje gostitelja precej raziskan, številni mehanizmi na molekularni ravni še vedno niso v celoti pojasnjeni. Nadaljnje raziskave so nujne za boljše razumevanje teh procesov in razvoj učinkovitih alternativ pri preprečevanju in zdravljenju okužb. Pomen probiotikov se v tem kontekstu povečuje, saj je neustrezna uporaba antibiotikov privedla do naraščajoče ravni odpornosti mikroorganizmov proti antibiotikom.

Ključne besede

bioaktivne snovi;probiotik;mehanizem delovanja;Lactobacillus spp.;Bifidobacterium spp.;protimikrobna spojina;konkurenčna izključitev;epitelna pregrada;imunomodulacija;

Podatki

Jezik: Slovenski jezik
Leto izida:
Tipologija: 2.11 - Diplomsko delo
Organizacija: UL BF - Biotehniška fakulteta
Založnik: [H. Hadžić]
UDK: 602.3(043.2)
COBISS: 246439171 Povezava se bo odprla v novem oknu
Št. ogledov: 99
Št. prenosov: 14
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Angleški jezik
Sekundarni naslov: Mechanisms of probiotics action for the control of pathogenic microorganisms
Sekundarni povzetek: This diploma thesis focuses on the mechanisms by which probiotics inhibit the growth of pathogenic microorganisms and contribute to host health. The most commonly studied representatives belong to the genera Lactobacillus and Bifidobacterium, which are widely used in fermented foods and dietary supplements. The most important mechanisms of action include the synthesis of antimicrobial substances (i.e., bacteriocins, hydrogen peroxide, organic acids), competition for adhesion sites and nutrients on the intestinal epithelium, enhancement of the intestinal epithelial barrier, regulation of neurotransmitter synthesis and gut–brain signaling pathways, and immunomodulation. Although the beneficial effects of probiotics on host health have been extensively studied, many mechanisms at the molecular level are still incompletely understood. Further research is needed to better understand these processes and to develop effective alternatives for the prevention and treatment of infections. The importance of probiotics in this context is growing, as inappropriate use of antibiotics has led to increasing levels of antibiotic resistance.
Sekundarne ključne besede: probiotic;mechanism of action;Lactobacillus spp.;Bifidobacterium spp.;antimicrobial substance;competitive exclusion;epithelial barrier;immunomodulation;
Vrsta dela (COBISS): Diplomsko delo/naloga
Študijski program: 0
Komentar na gradivo: Univ. v Ljubljani, Biotehniška fak., Študij biotehnologije
Strani: 1 spletni vir (1 datoteka PDF (VI, 20 str.))
ID: 27211648