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In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens

In vitro potencijal antagonista Bacillus spp. za suzbijanje fitopatogena Xanthomonas euvesicatoria

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Authors
Pajčin, Ivana
Vlajkov, Vanja
Rončević, Zorana
Dodić, Jelena
Grahovac, Mila
Ignjatov, Maja
Grahovac, Jovana
Article (Published version)
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Abstract
Bacterial pathogen Xanthomonas euvesicatoria, principal causer of bacterial spot, represents a significant problem in agricultural practice due to high yield losses in the production of pepper and tomato. The development of resistance to copper pesticides has shifted research, in the field of its suppression, towards biopesticides. In this study, several Bacillus strains were tested against Xanthomonas euvesicatoria strains, isolated from pepper leaves with symptoms of bacterial spot, to select a sufficiently effective antagonist. When it comes to the testing of cultivation broth, containing biomass of tested antagonists, the best results were achieved using isolate Bacillus sp3. On the other hand, when biomass-free supernatants, containing produced antimicrobial compounds, were tested, Bacillus sp1 and Bacillus sp2 have shown the highest antimicrobial activity. The results of this study represent a basis for further development of bioprocess solutions for the production of biopesticid...es based on Bacillus spp. biomass or antimicrobial compounds, showing high efficiency in suppression of pepper bacterial spot.

Bakterijski patogen Xanthomonas euvesicatoria predstavlja glavnog uzročnika bakteriozne pegavosti, stoga predstavlja značajan problem u poljoprivrednoj praksi usled izazivanja velikih gubitaka prinosa u proizvodnji paprike i paradajza. Uobičajena sredstva za suzbijanje i kontrolu ovog fitopatogena predstavljaju preparati na bazi bakra. Međutim, razvoj rezistentnosti prema pesticidima na bazi bakra doveo je do zaokreta u polju suzbijanja ovih patogena ka primeni biopesticida, odnosno bioloških kontrolnih agensa. Bakterije roda Bacillus i njihovi metaboliti sa izraženom antimikrobnom aktivnošću protiv ciljanih fitopatogena predstavljaju najperspektivnije aktivne komponente biokontrolnih preparata za zaštitu bilja. U ovom istraživanju nekoliko sojeva roda Bacillus ispitano je sa ciljem odabira antagonista dovoljno efikasnih u suzbijanju sojeva Xanthomonas euvesicatoria, koji su izolovani sa listova paprike sa simptomima bakteriozne pegavosti. Prilikom testiranja antimikrobne aktivnosti uz...oraka kultivacionih tečnosti, koji sadrže i biomasu testiranih antagonista, najbolji rezultati u suzbijanju testiranih fitopatogena su postignuti primenom izolata Bacillus sp3. Sa druge strane, prilikom testiranja antimikrobne aktivnosti supernatanata oslobođenih biomase antagonista, koji sadrže samo produkovana antimikrobna jedinjenja, izolati Bacillus sp1 i Bacillus sp2 su pokazali najveću antimikrobnu aktivnost protiv fitopatogena Xanthomonas euvesicatoria. Rezultati ovog istraživanja predstavljaju osnovu za dalji razvoj bioprocesnih rešenja za proizvodnju biopesticida na bazi biomase ili antimikrobnih jedinjenja koja proizvode antagonisti roda Bacillus, a koji pokazuju visoku efikasnost u suzbijanju bakteriozne pegavosti paprike.

Keywords:
antimicrobial activity / pepper / bacterial spot / biomass / antimicrobial compounds / sensitivity / antimikrobna aktivnost / paprika / bakteriozna pegavost / biomasa / antimikrobna jedinjenja / osetljivost
Source:
Journal on Processing & Energy in Agriculture, 2020, 24, 2, 72-76
Publisher:
  • Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200134 (University of Novi Sad, Faculty of Technology) (RS-200134)
  • Autonomous Province of Vojvodina - Provincial Secretariat for Higher Education and Scientific Research within the framework of the Short-term project of special interest for sustainable development in the AP Vojvodina en

DOI: 10.5937/jpea24-27076

ISSN: 1821-4487

[ Google Scholar ]
URI
http://fiver.ifvcns.rs/handle/123456789/1988
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Pajčin, Ivana
AU  - Vlajkov, Vanja
AU  - Rončević, Zorana
AU  - Dodić, Jelena
AU  - Grahovac, Mila
AU  - Ignjatov, Maja
AU  - Grahovac, Jovana
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/1988
AB  - Bacterial pathogen Xanthomonas euvesicatoria, principal causer of bacterial spot, represents a significant problem in agricultural practice due to high yield losses in the production of pepper and tomato. The development of resistance to copper pesticides has shifted research, in the field of its suppression, towards biopesticides. In this study, several Bacillus strains were tested against Xanthomonas euvesicatoria strains, isolated from pepper leaves with symptoms of bacterial spot, to select a sufficiently effective antagonist. When it comes to the testing of cultivation broth, containing biomass of tested antagonists, the best results were achieved using isolate Bacillus sp3. On the other hand, when biomass-free supernatants, containing produced antimicrobial compounds, were tested, Bacillus sp1 and Bacillus sp2 have shown the highest antimicrobial activity. The results of this study represent a basis for further development of bioprocess solutions for the production of biopesticides based on Bacillus spp. biomass or antimicrobial compounds, showing high efficiency in suppression of pepper bacterial spot.
AB  - Bakterijski patogen Xanthomonas euvesicatoria predstavlja glavnog uzročnika bakteriozne pegavosti, stoga predstavlja značajan problem u poljoprivrednoj praksi usled izazivanja velikih gubitaka prinosa u proizvodnji paprike i paradajza. Uobičajena sredstva za suzbijanje i kontrolu ovog fitopatogena predstavljaju preparati na bazi bakra. Međutim, razvoj rezistentnosti prema pesticidima na bazi bakra doveo je do zaokreta u polju suzbijanja ovih patogena ka primeni biopesticida, odnosno bioloških kontrolnih agensa. Bakterije roda Bacillus i njihovi metaboliti sa izraženom antimikrobnom aktivnošću protiv ciljanih fitopatogena predstavljaju najperspektivnije aktivne komponente biokontrolnih preparata za zaštitu bilja. U ovom istraživanju nekoliko sojeva roda Bacillus ispitano je sa ciljem odabira antagonista dovoljno efikasnih u suzbijanju sojeva Xanthomonas euvesicatoria, koji su izolovani sa listova paprike sa simptomima bakteriozne pegavosti. Prilikom testiranja antimikrobne aktivnosti uzoraka kultivacionih tečnosti, koji sadrže i biomasu testiranih antagonista, najbolji rezultati u suzbijanju testiranih fitopatogena su postignuti primenom izolata Bacillus sp3. Sa druge strane, prilikom testiranja antimikrobne aktivnosti supernatanata oslobođenih biomase antagonista, koji sadrže samo produkovana antimikrobna jedinjenja, izolati Bacillus sp1 i Bacillus sp2 su pokazali najveću antimikrobnu aktivnost protiv fitopatogena Xanthomonas euvesicatoria. Rezultati ovog istraživanja predstavljaju osnovu za dalji razvoj bioprocesnih rešenja za proizvodnju biopesticida na bazi biomase ili antimikrobnih jedinjenja koja proizvode antagonisti roda Bacillus, a koji pokazuju visoku efikasnost u suzbijanju bakteriozne pegavosti paprike.
PB  - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
T2  - Journal on Processing & Energy in Agriculture
T1  - In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens
T1  - In vitro potencijal antagonista Bacillus spp. za suzbijanje fitopatogena Xanthomonas euvesicatoria
EP  - 76
IS  - 2
SP  - 72
VL  - 24
DO  - 10.5937/jpea24-27076
ER  - 
@article{
author = "Pajčin, Ivana and Vlajkov, Vanja and Rončević, Zorana and Dodić, Jelena and Grahovac, Mila and Ignjatov, Maja and Grahovac, Jovana",
year = "2020",
abstract = "Bacterial pathogen Xanthomonas euvesicatoria, principal causer of bacterial spot, represents a significant problem in agricultural practice due to high yield losses in the production of pepper and tomato. The development of resistance to copper pesticides has shifted research, in the field of its suppression, towards biopesticides. In this study, several Bacillus strains were tested against Xanthomonas euvesicatoria strains, isolated from pepper leaves with symptoms of bacterial spot, to select a sufficiently effective antagonist. When it comes to the testing of cultivation broth, containing biomass of tested antagonists, the best results were achieved using isolate Bacillus sp3. On the other hand, when biomass-free supernatants, containing produced antimicrobial compounds, were tested, Bacillus sp1 and Bacillus sp2 have shown the highest antimicrobial activity. The results of this study represent a basis for further development of bioprocess solutions for the production of biopesticides based on Bacillus spp. biomass or antimicrobial compounds, showing high efficiency in suppression of pepper bacterial spot., Bakterijski patogen Xanthomonas euvesicatoria predstavlja glavnog uzročnika bakteriozne pegavosti, stoga predstavlja značajan problem u poljoprivrednoj praksi usled izazivanja velikih gubitaka prinosa u proizvodnji paprike i paradajza. Uobičajena sredstva za suzbijanje i kontrolu ovog fitopatogena predstavljaju preparati na bazi bakra. Međutim, razvoj rezistentnosti prema pesticidima na bazi bakra doveo je do zaokreta u polju suzbijanja ovih patogena ka primeni biopesticida, odnosno bioloških kontrolnih agensa. Bakterije roda Bacillus i njihovi metaboliti sa izraženom antimikrobnom aktivnošću protiv ciljanih fitopatogena predstavljaju najperspektivnije aktivne komponente biokontrolnih preparata za zaštitu bilja. U ovom istraživanju nekoliko sojeva roda Bacillus ispitano je sa ciljem odabira antagonista dovoljno efikasnih u suzbijanju sojeva Xanthomonas euvesicatoria, koji su izolovani sa listova paprike sa simptomima bakteriozne pegavosti. Prilikom testiranja antimikrobne aktivnosti uzoraka kultivacionih tečnosti, koji sadrže i biomasu testiranih antagonista, najbolji rezultati u suzbijanju testiranih fitopatogena su postignuti primenom izolata Bacillus sp3. Sa druge strane, prilikom testiranja antimikrobne aktivnosti supernatanata oslobođenih biomase antagonista, koji sadrže samo produkovana antimikrobna jedinjenja, izolati Bacillus sp1 i Bacillus sp2 su pokazali najveću antimikrobnu aktivnost protiv fitopatogena Xanthomonas euvesicatoria. Rezultati ovog istraživanja predstavljaju osnovu za dalji razvoj bioprocesnih rešenja za proizvodnju biopesticida na bazi biomase ili antimikrobnih jedinjenja koja proizvode antagonisti roda Bacillus, a koji pokazuju visoku efikasnost u suzbijanju bakteriozne pegavosti paprike.",
publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad",
journal = "Journal on Processing & Energy in Agriculture",
title = "In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens, In vitro potencijal antagonista Bacillus spp. za suzbijanje fitopatogena Xanthomonas euvesicatoria",
pages = "76-72",
number = "2",
volume = "24",
doi = "10.5937/jpea24-27076"
}
Pajčin, I., Vlajkov, V., Rončević, Z., Dodić, J., Grahovac, M., Ignjatov, M.,& Grahovac, J.. (2020). In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens. in Journal on Processing & Energy in Agriculture
Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad., 24(2), 72-76.
https://doi.org/10.5937/jpea24-27076
Pajčin I, Vlajkov V, Rončević Z, Dodić J, Grahovac M, Ignjatov M, Grahovac J. In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens. in Journal on Processing & Energy in Agriculture. 2020;24(2):72-76.
doi:10.5937/jpea24-27076 .
Pajčin, Ivana, Vlajkov, Vanja, Rončević, Zorana, Dodić, Jelena, Grahovac, Mila, Ignjatov, Maja, Grahovac, Jovana, "In vitro potential of Bacillus spp. Antagonists for suppression of Xanthomonas euvesicatoria phytopathogens" in Journal on Processing & Energy in Agriculture, 24, no. 2 (2020):72-76,
https://doi.org/10.5937/jpea24-27076 . .

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