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Antifungalna aktivnost i genetički diverzitet selektovanih Pseudomonas spp. iz rizosfere kukuruza u Vojvodini

dc.creatorJošić, Dragana
dc.creatorPivić, Radmila
dc.creatorMiladinović, Miroslav
dc.creatorStarović, Mira
dc.creatorPavlović, Snežana
dc.creatorĐurić, Simonida
dc.creatorJarak, Mirjana
dc.date.accessioned2019-04-04T15:56:24Z
dc.date.available2019-04-04T15:56:24Z
dc.date.issued2012
dc.identifier.issn0534-0012
dc.identifier.urihttps://plantarum.izbis.bg.ac.rs/handle/123456789/206
dc.description.abstractAntibiotic production by plant-associated microorganisms represents an environmentally compatible method of disease control in agriculture. However, a vide application of bacterial strains needs careful selection and genetic characterization. In this investigation, selected Pseudomonas strains were characterized by rep-PCR methods using ERIC and (GTG)5 primers, and partial 16S rDNA sequence analysis. None of strains produced homoserine lactones (C4, C6, C8) as quorum sensing signal molecules. Very poor production of phenazines and no significant fungal inhibition was observed for PS4 and PS6 strains. High amount of phenazines were produced by Pseudomonas sp. strain PS2, which inhibited mycelial growth of 10 phytopatogenic fungi in percent of 25 (Verticillium sp.) to 65 (Fusarium equiseti). Genetic characterization of the Pseudomonas sp. PS2 and evaluation of phenazines production, as the main trait for growth inhibition of phytopathogenic fungi, will allow its application as a biosafe PGPR for field experiments of plant disease control.en
dc.description.abstractEkološki prihvatljiv metod kontrole bolesti bilja u poljoprivredi obuhvata primenu rizosfernih mikroorganizama koji produkuju antibiotike. Široka primena bakterija zahteva njihovu pažljivu selekciju i genetičku karakterizaciju. Ova istraživanja obuhvatila su karakterizaciju selektovanih Pseudomonas sojeva na osnovu rep-PCR metode korišćenjem ERIC i (GTG)5 prajmera, kao i parcijalne sekvence 16S rDNA. Nije detektovana produkcija acil-homoserin laktona (C4, C6, C8) kao QS molekula. Sojevi PS4 i PS6 su vrlo oskudno produkovali fenazine i nisu značajno inhibirali rast fitopatogenih gljiva. Soj Pseudomonas sp. PS2 je obilno produkovao 2-OH-PCA i PCA i inhibirao rast micelija 10 fitopatogenih gljiva od 25% (Verticillium sp.) do 65% (Fusarium equiseti). Genetička karakterizacija soja Pseudomonas sp. PS2 i detekcija produkcije fenazina kao glavnog inhibitora rasta fitopatogenih gljiva omogućiće primenu ovog soja kao bezbednog PGP agensa za biološku kontrolu u budućim ogledima u polju.sr
dc.publisherSerbian Genetics Society
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46007/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceGenetika-Belgrade
dc.subjectantifungal activityen
dc.subjectERICen
dc.subject(GTG)5en
dc.subjectPGPRen
dc.subjectphenazinesen
dc.subjectPseudomonasen
dc.titleAntifungal activity and genetic diversity of selected Pseudomonas spp. from maize rhizosphere in Vojvodinaen
dc.titleAntifungalna aktivnost i genetički diverzitet selektovanih Pseudomonas spp. iz rizosfere kukuruza u Vojvodinisr
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage388
dc.citation.issue2
dc.citation.other44(2): 377-388
dc.citation.rankM23
dc.citation.spage377
dc.citation.volume44
dc.type.versionpublishedVersion
dc.identifier.doi10.2298/GENSR1202377J
dc.identifier.fulltexthttps://plantarum.izbis.bg.ac.rs//bitstream/id/1366/204.pdf
dc.identifier.scopus2-s2.0-84873470115
dc.identifier.wos000309073800016


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