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Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai

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2018
2345.pdf (1.236Mb)
Authors
Izrael‑Živković, Lidija
Rikalović, Milena
Gojgić-Cvijović, Gordana
Kazazic, Sasa
Vrvić, Miroslav
Brčeski, Ilija
Beškoski, Vladimir
Lončarević, Branka
Gopcevic, Kristina
Karadžić, Ivanka
Article (Published version)
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Abstract
Pseudomonas aeruginosa san ai is a promising candidate for bioremediation of cadmium pollution, as it resists a high concentration of up to 7.2 mM of cadmium. Leaving biomass of P. aeruginosa san ai exposed to cadmium has a large biosorption potential, implying its capacity to extract heavy metal from contaminated medium. In the present study, we investigated tolerance and accumulation of cadmium on protein level by shotgun proteomics approach based on liquid chromatography and tandem mass spectrometry coupled with bioinformatics to identify proteins. Size exclusion chromatography was used for protein prefractionation to preserve native forms of metalloproteins and protein complexes. Using this approach a total of 60 proteins were observed as up-regulated in cadmium-amended culture. Almost a third of the total numbers of up-regulated were metalloproteins. Particularly interesting are denitrification proteins which are over expressed but not active, suggesting their protective role in c...onditions of heavy metal exposure. P. aeruginosa san ai developed a complex mechanism to adapt to cadmium, based on: extracellular biosorption, bioaccumulation, the formation of biofilm, controlled siderophore production, enhanced respiration and modified protein profile. An increased abundance of proteins involved in: cell energy metabolism, including denitrification proteins; amino acid metabolism; cell motility and posttranslational modifications, primarily based on thiol-disulfide exchange, were observed. Enhanced oxygen consumption of biomass in cadmium-amended culture versus control was found. Our results signify that P. aeruginosa san ai is naturally well equipped to overcome and survive high doses of cadmium and, as such, has a great potential for application in bioremediation of cadmium polluted sites.

Source:
RSC Advances, 2018, 8, 19, 10549-10560
Publisher:
  • Royal Soc Chemistry, Cambridge
Funding / projects:
  • Simultaneous Bioremediation and Soilification of Degraded Areas to Preserve Natural Resources of Biologically Active Substances, and Development and Production of Biomaterials and Dietetic Products (RS-43004)

DOI: 10.1039/c8ra00371h

ISSN: 2046-2069

WoS: 000428581000023

Scopus: 2-s2.0-85044180168
[ Google Scholar ]
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URI
https://cer.ihtm.bg.ac.rs/handle/123456789/2347
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Izrael‑Živković, Lidija
AU  - Rikalović, Milena
AU  - Gojgić-Cvijović, Gordana
AU  - Kazazic, Sasa
AU  - Vrvić, Miroslav
AU  - Brčeski, Ilija
AU  - Beškoski, Vladimir
AU  - Lončarević, Branka
AU  - Gopcevic, Kristina
AU  - Karadžić, Ivanka
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2347
AB  - Pseudomonas aeruginosa san ai is a promising candidate for bioremediation of cadmium pollution, as it resists a high concentration of up to 7.2 mM of cadmium. Leaving biomass of P. aeruginosa san ai exposed to cadmium has a large biosorption potential, implying its capacity to extract heavy metal from contaminated medium. In the present study, we investigated tolerance and accumulation of cadmium on protein level by shotgun proteomics approach based on liquid chromatography and tandem mass spectrometry coupled with bioinformatics to identify proteins. Size exclusion chromatography was used for protein prefractionation to preserve native forms of metalloproteins and protein complexes. Using this approach a total of 60 proteins were observed as up-regulated in cadmium-amended culture. Almost a third of the total numbers of up-regulated were metalloproteins. Particularly interesting are denitrification proteins which are over expressed but not active, suggesting their protective role in conditions of heavy metal exposure. P. aeruginosa san ai developed a complex mechanism to adapt to cadmium, based on: extracellular biosorption, bioaccumulation, the formation of biofilm, controlled siderophore production, enhanced respiration and modified protein profile. An increased abundance of proteins involved in: cell energy metabolism, including denitrification proteins; amino acid metabolism; cell motility and posttranslational modifications, primarily based on thiol-disulfide exchange, were observed. Enhanced oxygen consumption of biomass in cadmium-amended culture versus control was found. Our results signify that P. aeruginosa san ai is naturally well equipped to overcome and survive high doses of cadmium and, as such, has a great potential for application in bioremediation of cadmium polluted sites.
PB  - Royal Soc Chemistry, Cambridge
T2  - RSC Advances
T1  - Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai
VL  - 8
IS  - 19
SP  - 10549
EP  - 10560
DO  - 10.1039/c8ra00371h
ER  - 
@article{
author = "Izrael‑Živković, Lidija and Rikalović, Milena and Gojgić-Cvijović, Gordana and Kazazic, Sasa and Vrvić, Miroslav and Brčeski, Ilija and Beškoski, Vladimir and Lončarević, Branka and Gopcevic, Kristina and Karadžić, Ivanka",
year = "2018",
abstract = "Pseudomonas aeruginosa san ai is a promising candidate for bioremediation of cadmium pollution, as it resists a high concentration of up to 7.2 mM of cadmium. Leaving biomass of P. aeruginosa san ai exposed to cadmium has a large biosorption potential, implying its capacity to extract heavy metal from contaminated medium. In the present study, we investigated tolerance and accumulation of cadmium on protein level by shotgun proteomics approach based on liquid chromatography and tandem mass spectrometry coupled with bioinformatics to identify proteins. Size exclusion chromatography was used for protein prefractionation to preserve native forms of metalloproteins and protein complexes. Using this approach a total of 60 proteins were observed as up-regulated in cadmium-amended culture. Almost a third of the total numbers of up-regulated were metalloproteins. Particularly interesting are denitrification proteins which are over expressed but not active, suggesting their protective role in conditions of heavy metal exposure. P. aeruginosa san ai developed a complex mechanism to adapt to cadmium, based on: extracellular biosorption, bioaccumulation, the formation of biofilm, controlled siderophore production, enhanced respiration and modified protein profile. An increased abundance of proteins involved in: cell energy metabolism, including denitrification proteins; amino acid metabolism; cell motility and posttranslational modifications, primarily based on thiol-disulfide exchange, were observed. Enhanced oxygen consumption of biomass in cadmium-amended culture versus control was found. Our results signify that P. aeruginosa san ai is naturally well equipped to overcome and survive high doses of cadmium and, as such, has a great potential for application in bioremediation of cadmium polluted sites.",
publisher = "Royal Soc Chemistry, Cambridge",
journal = "RSC Advances",
title = "Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai",
volume = "8",
number = "19",
pages = "10549-10560",
doi = "10.1039/c8ra00371h"
}
Izrael‑Živković, L., Rikalović, M., Gojgić-Cvijović, G., Kazazic, S., Vrvić, M., Brčeski, I., Beškoski, V., Lončarević, B., Gopcevic, K.,& Karadžić, I.. (2018). Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai. in RSC Advances
Royal Soc Chemistry, Cambridge., 8(19), 10549-10560.
https://doi.org/10.1039/c8ra00371h
Izrael‑Živković L, Rikalović M, Gojgić-Cvijović G, Kazazic S, Vrvić M, Brčeski I, Beškoski V, Lončarević B, Gopcevic K, Karadžić I. Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai. in RSC Advances. 2018;8(19):10549-10560.
doi:10.1039/c8ra00371h .
Izrael‑Živković, Lidija, Rikalović, Milena, Gojgić-Cvijović, Gordana, Kazazic, Sasa, Vrvić, Miroslav, Brčeski, Ilija, Beškoski, Vladimir, Lončarević, Branka, Gopcevic, Kristina, Karadžić, Ivanka, "Cadmium specific proteomic responses of a highly resistant Pseudomonas aeruginosa san ai" in RSC Advances, 8, no. 19 (2018):10549-10560,
https://doi.org/10.1039/c8ra00371h . .

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