Dimkić, Ivica

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  • Dimkić, Ivica (5)
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Author's Bibliography

Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia)

Vidaković, Danijela; Dimkić, Ivica; Krizmanić, Jelena; Janakiev, Tamara; Gavrilović, Bojan; Ćirić, Miloš

(University of Antwerp, 2023)

TY  - CONF
AU  - Vidaković, Danijela
AU  - Dimkić, Ivica
AU  - Krizmanić, Jelena
AU  - Janakiev, Tamara
AU  - Gavrilović, Bojan
AU  - Ćirić, Miloš
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6196
AB  - Soda pans are restricted to the Carpathian Basin and differ from other similar saline waters mainly due to the dominant presence of Na+, HCO3–, and CO32– ions. These shallow and temporary aquatic habitats are inhabited by a number of species that can thrive in extreme environments. In Serbia, saline habitats are rare, endangered, and most common in the territory of Vojvodina. One of the most investigated group of organisms in soda pans is diatoms. Due to ecophysiological plasticity, they can survive and tolerate extreme environmental conditions which gives them a competitive advantage over other algae. Quite the opposite, prokaryotes in saline habitats are not sufficiently studied and data are scarce. Thus, samples from 6 soda pans were collected in March 2021 aiming to determine diatom (microscopic and molecular analysis, 18S rRNA gene) and bacterial community (16S rRNA gene).
Most of the recorded diatom taxa are neutrophilic to alkalibiontic, mostly halophilic, and eutrophic species. The species richness diversity index was the highest in Velika Slatina and Slatina, while it was lowest in Mala Rusanda. The genus Nitzschia was one of the most represented and numerous according to morphological analyses (24 taxa, 4 dominant), while molecular analyses indicate 11 different species with low abundances and mainly with unassigned sequences. The biggest discrepancy in these two approaches was observed in Mala Rusanda and Okanj bara. Metabarcoding analysis indicated Halamphora veneta as the dominant taxa, while morphological analyses have shown a predominance of Nitzschia supralitorea and Surirella brebissonii in Mala Rusanda, and N. austriaca in Okanj bara.
Estimated richness and alpha diversity indices showed the highest bacterial diversity in Velika Rusanda and Okanj bara, while the lowest richness was in Mala Rusanda. Representatives of the phylum Proteobacteria were detected predominantly in Pečena Slatina, Bacteroidota in Velika Slatina, Actinobacteria in Okanj bara, while representatives of Firmicutes were most abundant in Slatina, Velika Rusanda, and Mala Rusanda. At the genus level, 515 different genera were detected, and some of the most dominant were: Luteolibacter, unidentified genera from the family Bacillaceae, Actibacter, etc.
Further investigations will be required to overcome the problem of the reference barcoding library incompleteness for halophilic and alkaliphilic species in these habitats and try to reveal the unknown relationship between diatoms and bacteria.
PB  - University of Antwerp
C3  - Book of Abstracts - 14th European Diatom Meeting,  09-11 May 2023, Meise Botanic Garden, Belgium
T1  - Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia)
SP  - 95
EP  - 95
UR  - https://hdl.handle.net/21.15107/rcub_cer_6196
ER  - 
@conference{
author = "Vidaković, Danijela and Dimkić, Ivica and Krizmanić, Jelena and Janakiev, Tamara and Gavrilović, Bojan and Ćirić, Miloš",
year = "2023",
abstract = "Soda pans are restricted to the Carpathian Basin and differ from other similar saline waters mainly due to the dominant presence of Na+, HCO3–, and CO32– ions. These shallow and temporary aquatic habitats are inhabited by a number of species that can thrive in extreme environments. In Serbia, saline habitats are rare, endangered, and most common in the territory of Vojvodina. One of the most investigated group of organisms in soda pans is diatoms. Due to ecophysiological plasticity, they can survive and tolerate extreme environmental conditions which gives them a competitive advantage over other algae. Quite the opposite, prokaryotes in saline habitats are not sufficiently studied and data are scarce. Thus, samples from 6 soda pans were collected in March 2021 aiming to determine diatom (microscopic and molecular analysis, 18S rRNA gene) and bacterial community (16S rRNA gene).
Most of the recorded diatom taxa are neutrophilic to alkalibiontic, mostly halophilic, and eutrophic species. The species richness diversity index was the highest in Velika Slatina and Slatina, while it was lowest in Mala Rusanda. The genus Nitzschia was one of the most represented and numerous according to morphological analyses (24 taxa, 4 dominant), while molecular analyses indicate 11 different species with low abundances and mainly with unassigned sequences. The biggest discrepancy in these two approaches was observed in Mala Rusanda and Okanj bara. Metabarcoding analysis indicated Halamphora veneta as the dominant taxa, while morphological analyses have shown a predominance of Nitzschia supralitorea and Surirella brebissonii in Mala Rusanda, and N. austriaca in Okanj bara.
Estimated richness and alpha diversity indices showed the highest bacterial diversity in Velika Rusanda and Okanj bara, while the lowest richness was in Mala Rusanda. Representatives of the phylum Proteobacteria were detected predominantly in Pečena Slatina, Bacteroidota in Velika Slatina, Actinobacteria in Okanj bara, while representatives of Firmicutes were most abundant in Slatina, Velika Rusanda, and Mala Rusanda. At the genus level, 515 different genera were detected, and some of the most dominant were: Luteolibacter, unidentified genera from the family Bacillaceae, Actibacter, etc.
Further investigations will be required to overcome the problem of the reference barcoding library incompleteness for halophilic and alkaliphilic species in these habitats and try to reveal the unknown relationship between diatoms and bacteria.",
publisher = "University of Antwerp",
journal = "Book of Abstracts - 14th European Diatom Meeting,  09-11 May 2023, Meise Botanic Garden, Belgium",
title = "Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia)",
pages = "95-95",
url = "https://hdl.handle.net/21.15107/rcub_cer_6196"
}
Vidaković, D., Dimkić, I., Krizmanić, J., Janakiev, T., Gavrilović, B.,& Ćirić, M.. (2023). Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia). in Book of Abstracts - 14th European Diatom Meeting,  09-11 May 2023, Meise Botanic Garden, Belgium
University of Antwerp., 95-95.
https://hdl.handle.net/21.15107/rcub_cer_6196
Vidaković D, Dimkić I, Krizmanić J, Janakiev T, Gavrilović B, Ćirić M. Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia). in Book of Abstracts - 14th European Diatom Meeting,  09-11 May 2023, Meise Botanic Garden, Belgium. 2023;:95-95.
https://hdl.handle.net/21.15107/rcub_cer_6196 .
Vidaković, Danijela, Dimkić, Ivica, Krizmanić, Jelena, Janakiev, Tamara, Gavrilović, Bojan, Ćirić, Miloš, "Diatom and bacteria assemblages in saline habitats (Vojvodina, Serbia)" in Book of Abstracts - 14th European Diatom Meeting,  09-11 May 2023, Meise Botanic Garden, Belgium (2023):95-95,
https://hdl.handle.net/21.15107/rcub_cer_6196 .

Artificial sandpit lake as a habitat of brackish diatom species

Vidaković, Danijela; Krizmanić, Jelena; Gavrilović, Bojan; Dojčinović, Biljana; Levkov, Zlatko; Dimkić, Ivica; Ćirić, Miloš

(Informa UK Limited, 2022)

TY  - JOUR
AU  - Vidaković, Danijela
AU  - Krizmanić, Jelena
AU  - Gavrilović, Bojan
AU  - Dojčinović, Biljana
AU  - Levkov, Zlatko
AU  - Dimkić, Ivica
AU  - Ćirić, Miloš
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5592
AB  - During a survey of diatoms in the artificial sandpit lake “Peskara” in the protected zone of the Rusanda Nature Park, a large number of brackish taxa at epipsamic and epiphytic communities were recorded (e.g. Bacillaria paxillifera, Caloneis permagna, Ctenophora pulchella, Entomoneis costata. Haslea duerrenbergiana, Navicula salinarum, Nitzschia agnita, N. filiformis, Staurophora brantii, Seminavis strigosa, Tryblionella apiculata). One new genus Seminavis and 15 diatom species were noted for the first time for the diatom flora of Serbia. Dominant taxa changed over seasons without any regularity. In spring 2021, we have observed an increased abundance of centric species Thalassiosira pseudonana and Stephanodiscus parvus while in other seasons it was difficult to discern a pattern of dominance among benthic diatoms. Metabarcoding analysis of the same sample using 18S rRNA as a gene marker confirmed the dominance of centric diatoms. This study contributes to a better understanding of brackish diatom taxa found in inland habitats, many of which can be utilized as useful tools for the ecological status assessment.
PB  - Informa UK Limited
T2  - Botany Letters
T1  - Artificial sandpit lake as a habitat of brackish diatom species
VL  - 169
IS  - 3
SP  - 360
EP  - 369
DO  - 10.1080/23818107.2022.2087199
ER  - 
@article{
author = "Vidaković, Danijela and Krizmanić, Jelena and Gavrilović, Bojan and Dojčinović, Biljana and Levkov, Zlatko and Dimkić, Ivica and Ćirić, Miloš",
year = "2022",
abstract = "During a survey of diatoms in the artificial sandpit lake “Peskara” in the protected zone of the Rusanda Nature Park, a large number of brackish taxa at epipsamic and epiphytic communities were recorded (e.g. Bacillaria paxillifera, Caloneis permagna, Ctenophora pulchella, Entomoneis costata. Haslea duerrenbergiana, Navicula salinarum, Nitzschia agnita, N. filiformis, Staurophora brantii, Seminavis strigosa, Tryblionella apiculata). One new genus Seminavis and 15 diatom species were noted for the first time for the diatom flora of Serbia. Dominant taxa changed over seasons without any regularity. In spring 2021, we have observed an increased abundance of centric species Thalassiosira pseudonana and Stephanodiscus parvus while in other seasons it was difficult to discern a pattern of dominance among benthic diatoms. Metabarcoding analysis of the same sample using 18S rRNA as a gene marker confirmed the dominance of centric diatoms. This study contributes to a better understanding of brackish diatom taxa found in inland habitats, many of which can be utilized as useful tools for the ecological status assessment.",
publisher = "Informa UK Limited",
journal = "Botany Letters",
title = "Artificial sandpit lake as a habitat of brackish diatom species",
volume = "169",
number = "3",
pages = "360-369",
doi = "10.1080/23818107.2022.2087199"
}
Vidaković, D., Krizmanić, J., Gavrilović, B., Dojčinović, B., Levkov, Z., Dimkić, I.,& Ćirić, M.. (2022). Artificial sandpit lake as a habitat of brackish diatom species. in Botany Letters
Informa UK Limited., 169(3), 360-369.
https://doi.org/10.1080/23818107.2022.2087199
Vidaković D, Krizmanić J, Gavrilović B, Dojčinović B, Levkov Z, Dimkić I, Ćirić M. Artificial sandpit lake as a habitat of brackish diatom species. in Botany Letters. 2022;169(3):360-369.
doi:10.1080/23818107.2022.2087199 .
Vidaković, Danijela, Krizmanić, Jelena, Gavrilović, Bojan, Dojčinović, Biljana, Levkov, Zlatko, Dimkić, Ivica, Ćirić, Miloš, "Artificial sandpit lake as a habitat of brackish diatom species" in Botany Letters, 169, no. 3 (2022):360-369,
https://doi.org/10.1080/23818107.2022.2087199 . .
3
3

Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains

Dorontić, Slađana; Bonasera, Aurelio; Scopelliti, Michelangelo; Marković, Olivera; Bajuk-Bogdanović, Danica; Ciasca, Gabriele; Romanò, Sabrina; Dimkić, Ivica; Budimir, Milica; Marinković, Dragana; Jovanović, Svetlana

(MDPI, 2022)

TY  - JOUR
AU  - Dorontić, Slađana
AU  - Bonasera, Aurelio
AU  - Scopelliti, Michelangelo
AU  - Marković, Olivera
AU  - Bajuk-Bogdanović, Danica
AU  - Ciasca, Gabriele
AU  - Romanò, Sabrina
AU  - Dimkić, Ivica
AU  - Budimir, Milica
AU  - Marinković, Dragana
AU  - Jovanović, Svetlana
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5222
AB  - Structural modification of different carbon-based nanomaterials is often necessary to improve their morphology and optical properties, particularly the incorporation of N-atoms in graphene quantum dots (GQDs). Here, a clean, simple, one-step, and eco-friendly method for N-doping of GQDs using gamma irradiation is reported. GQDs were irradiated in the presence of the different ethylenediamine (EDA) amounts (1 g, 5 g, and 10 g) and the highest % of N was detected in the presence of 10 g. N-doped GQDs emitted strong, blue photoluminescence (PL). Photoluminescence quantum yield was increased from 1.45, as obtained for non-irradiated dots, to 7.24% for those irradiated in the presence of 1 g of EDA. Modified GQDs were investigated as a PL probe for the detection of insecticide Carbofuran (2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl methylcarbamate) and herbicide Amitrole (3-amino-1,2,4-triazole). The limit of detection was 5.4 μmol L−1 for Carbofuran. For the first time, Amitrole was detected by GQDs in a turn-off/turn-on mechanism using Pd(II) ions as a quenching agent. First, Pd(II) ions were quenched (turn-off) PL of GQDs, while after Amitrole addition, PL was recovered linearly with Amitrole concentration (turn-on). LOD was 2.03 μmol L−1. These results suggest that modified GQDs can be used as an efficient new material for Carbofuran and Amitrole detection. Furthermore, the phototoxicity of dots was investigated on both Gram-positive and Gram-negative bacterial strains. When bacterial cells were exposed to different GQD concentrations and illuminated with light of 470 nm wavelength, the toxic effects were not observed.
PB  - MDPI
T2  - Nanomaterials
T1  - Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains
VL  - 12
IS  - 15
SP  - 2714
DO  - 10.3390/nano12152714
ER  - 
@article{
author = "Dorontić, Slađana and Bonasera, Aurelio and Scopelliti, Michelangelo and Marković, Olivera and Bajuk-Bogdanović, Danica and Ciasca, Gabriele and Romanò, Sabrina and Dimkić, Ivica and Budimir, Milica and Marinković, Dragana and Jovanović, Svetlana",
year = "2022",
abstract = "Structural modification of different carbon-based nanomaterials is often necessary to improve their morphology and optical properties, particularly the incorporation of N-atoms in graphene quantum dots (GQDs). Here, a clean, simple, one-step, and eco-friendly method for N-doping of GQDs using gamma irradiation is reported. GQDs were irradiated in the presence of the different ethylenediamine (EDA) amounts (1 g, 5 g, and 10 g) and the highest % of N was detected in the presence of 10 g. N-doped GQDs emitted strong, blue photoluminescence (PL). Photoluminescence quantum yield was increased from 1.45, as obtained for non-irradiated dots, to 7.24% for those irradiated in the presence of 1 g of EDA. Modified GQDs were investigated as a PL probe for the detection of insecticide Carbofuran (2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl methylcarbamate) and herbicide Amitrole (3-amino-1,2,4-triazole). The limit of detection was 5.4 μmol L−1 for Carbofuran. For the first time, Amitrole was detected by GQDs in a turn-off/turn-on mechanism using Pd(II) ions as a quenching agent. First, Pd(II) ions were quenched (turn-off) PL of GQDs, while after Amitrole addition, PL was recovered linearly with Amitrole concentration (turn-on). LOD was 2.03 μmol L−1. These results suggest that modified GQDs can be used as an efficient new material for Carbofuran and Amitrole detection. Furthermore, the phototoxicity of dots was investigated on both Gram-positive and Gram-negative bacterial strains. When bacterial cells were exposed to different GQD concentrations and illuminated with light of 470 nm wavelength, the toxic effects were not observed.",
publisher = "MDPI",
journal = "Nanomaterials",
title = "Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains",
volume = "12",
number = "15",
pages = "2714",
doi = "10.3390/nano12152714"
}
Dorontić, S., Bonasera, A., Scopelliti, M., Marković, O., Bajuk-Bogdanović, D., Ciasca, G., Romanò, S., Dimkić, I., Budimir, M., Marinković, D.,& Jovanović, S.. (2022). Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains. in Nanomaterials
MDPI., 12(15), 2714.
https://doi.org/10.3390/nano12152714
Dorontić S, Bonasera A, Scopelliti M, Marković O, Bajuk-Bogdanović D, Ciasca G, Romanò S, Dimkić I, Budimir M, Marinković D, Jovanović S. Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains. in Nanomaterials. 2022;12(15):2714.
doi:10.3390/nano12152714 .
Dorontić, Slađana, Bonasera, Aurelio, Scopelliti, Michelangelo, Marković, Olivera, Bajuk-Bogdanović, Danica, Ciasca, Gabriele, Romanò, Sabrina, Dimkić, Ivica, Budimir, Milica, Marinković, Dragana, Jovanović, Svetlana, "Gamma-Ray-Induced Structural Transformation of GQDs towards the Improvement of Their Optical Properties, Monitoring of Selected Toxic Compounds, and Photo-Induced Effects on Bacterial Strains" in Nanomaterials, 12, no. 15 (2022):2714,
https://doi.org/10.3390/nano12152714 . .
3
3

Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa

Janakiev, Tamara; Dimkić, Ivica; Unković, Nikola; Ljaljević Grbić, Milica; Opsenica, Dejan; Gašić, Uroš; Stanković, Slaviša; Berić, Tanja

(Frontiers, 2019)

TY  - JOUR
AU  - Janakiev, Tamara
AU  - Dimkić, Ivica
AU  - Unković, Nikola
AU  - Ljaljević Grbić, Milica
AU  - Opsenica, Dejan
AU  - Gašić, Uroš
AU  - Stanković, Slaviša
AU  - Berić, Tanja
PY  - 2019
UR  - https://www.frontiersin.org/articles/10.3389/fmicb.2019.02287/abstract
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3093
AB  - European plum (Prunus domestica L.) is a significant commercial crop in Serbia in terms of total fruit production, and it is traditionally processed into slivovitz brandy. The annual plum yields in Serbia is strongly affected by Monilinia laxa, causing brown rot in stone fruits. The fungal communities associated with leaves and fruits of four local Serbian plum cultivars (Požegača, Ranka, Lepotica and Rodna) were investigated in two phenological stages during early (May) and late (July) fruit maturation. Alpha diversity indices showed that fungal communities were heterogeneous and Beta diversity indicated that autochthonous fungal communities depended upon seasonal changes and the cultivars themselves. The phylum Ascomycota was the most abundant in all samples, with relative abundance (RA) between 46% in the Požegača cultivar (May) and 89% in the Lepotica cultivar (July). The most abundant genus for all plum cultivars in May was Aureobasidium, with RA from 19.27 to 33.69%, followed by Cryptococcus, with 4.8 to 48.80%. In July, besides Cryptococcus, different genera (Metschnikowia, Fusarium and Hanseniaspora) were dominant on particular cultivars. Among all cultivable fungi, molecular identification of 11 M. laxa isolates from four plum cultivars was performed simultaneously. Bacterial isolates from the plum phyllosphere were tested for their potential antifungal activity against indigenous M. laxa isolates. The most potent antagonist, P4/16_1 was identified as Pseudomonas synxantha, which reduced mycelial growth of M. laxa from 80 to 87.5%. The production of volatile organic compounds was observed as well. Screening for the antibiotic coding gene was positive for phenazine-1-carboxylic acid, and benzene extraction of P. synxantha-active compounds was done. The crude benzene extract exhibited 57–63% inhibition of mycelial growth. The conducted LC/MS analysis of the crude extract confirmed the presence of phenazine derivatives amongst other compounds. Scanning electron microscopy revealed morpho-physiological changes in the hyphae of M. laxa isolates caused by the cell culture and the P. synxantha P4/16_1 crude benzene extract. This is first report of antagonistic activity of P. synxantha against M. laxa induced by diffusible and volatile antifungal compounds, and it appears to be a promising candidate for use as a biocontrol agent against brown rot-causing fungi.
PB  - Frontiers
T2  - Frontiers in Microbiology
T1  - Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa
VL  - 10
SP  - 2287
DO  - 10.3389/fmicb.2019.02287
ER  - 
@article{
author = "Janakiev, Tamara and Dimkić, Ivica and Unković, Nikola and Ljaljević Grbić, Milica and Opsenica, Dejan and Gašić, Uroš and Stanković, Slaviša and Berić, Tanja",
year = "2019",
abstract = "European plum (Prunus domestica L.) is a significant commercial crop in Serbia in terms of total fruit production, and it is traditionally processed into slivovitz brandy. The annual plum yields in Serbia is strongly affected by Monilinia laxa, causing brown rot in stone fruits. The fungal communities associated with leaves and fruits of four local Serbian plum cultivars (Požegača, Ranka, Lepotica and Rodna) were investigated in two phenological stages during early (May) and late (July) fruit maturation. Alpha diversity indices showed that fungal communities were heterogeneous and Beta diversity indicated that autochthonous fungal communities depended upon seasonal changes and the cultivars themselves. The phylum Ascomycota was the most abundant in all samples, with relative abundance (RA) between 46% in the Požegača cultivar (May) and 89% in the Lepotica cultivar (July). The most abundant genus for all plum cultivars in May was Aureobasidium, with RA from 19.27 to 33.69%, followed by Cryptococcus, with 4.8 to 48.80%. In July, besides Cryptococcus, different genera (Metschnikowia, Fusarium and Hanseniaspora) were dominant on particular cultivars. Among all cultivable fungi, molecular identification of 11 M. laxa isolates from four plum cultivars was performed simultaneously. Bacterial isolates from the plum phyllosphere were tested for their potential antifungal activity against indigenous M. laxa isolates. The most potent antagonist, P4/16_1 was identified as Pseudomonas synxantha, which reduced mycelial growth of M. laxa from 80 to 87.5%. The production of volatile organic compounds was observed as well. Screening for the antibiotic coding gene was positive for phenazine-1-carboxylic acid, and benzene extraction of P. synxantha-active compounds was done. The crude benzene extract exhibited 57–63% inhibition of mycelial growth. The conducted LC/MS analysis of the crude extract confirmed the presence of phenazine derivatives amongst other compounds. Scanning electron microscopy revealed morpho-physiological changes in the hyphae of M. laxa isolates caused by the cell culture and the P. synxantha P4/16_1 crude benzene extract. This is first report of antagonistic activity of P. synxantha against M. laxa induced by diffusible and volatile antifungal compounds, and it appears to be a promising candidate for use as a biocontrol agent against brown rot-causing fungi.",
publisher = "Frontiers",
journal = "Frontiers in Microbiology",
title = "Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa",
volume = "10",
pages = "2287",
doi = "10.3389/fmicb.2019.02287"
}
Janakiev, T., Dimkić, I., Unković, N., Ljaljević Grbić, M., Opsenica, D., Gašić, U., Stanković, S.,& Berić, T.. (2019). Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa. in Frontiers in Microbiology
Frontiers., 10, 2287.
https://doi.org/10.3389/fmicb.2019.02287
Janakiev T, Dimkić I, Unković N, Ljaljević Grbić M, Opsenica D, Gašić U, Stanković S, Berić T. Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa. in Frontiers in Microbiology. 2019;10:2287.
doi:10.3389/fmicb.2019.02287 .
Janakiev, Tamara, Dimkić, Ivica, Unković, Nikola, Ljaljević Grbić, Milica, Opsenica, Dejan, Gašić, Uroš, Stanković, Slaviša, Berić, Tanja, "Phyllosphere fungal communities of plum and antifungal activity of indigenous phenazine-producing Pseudomonas synxantha against Monilinia laxa" in Frontiers in Microbiology, 10 (2019):2287,
https://doi.org/10.3389/fmicb.2019.02287 . .
10
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25

Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants

Stević, Tatjana; Stanković, Slaviša; Šavikin, Katarina; Gođevac, Dejan; Dimkić, Ivica; Soković, Marina; Berić, Tanja

(Institute for Medicinal Plants Research "Dr. Josif Pancic", 2014)

TY  - JOUR
AU  - Stević, Tatjana
AU  - Stanković, Slaviša
AU  - Šavikin, Katarina
AU  - Gođevac, Dejan
AU  - Dimkić, Ivica
AU  - Soković, Marina
AU  - Berić, Tanja
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1454
AB  - In recent years great attention was paid to biological control, the application of natural products in order to protect crops and medicinal plants against contamination with phytopathogenic and saprophytic fungi. Essential oils have been evaluated as a potentially safe replacement for chemicals used for that purpose. In this regard, antifungal potential of six essential oils was examined coupled with determination of the complete qualitative and quantitative chemical composition by GC-FID and GC-MS analysis. While essential oils of rosemary, sage, Spanish sage and black pepper were exclusively composed of monoterpenes, vetiver essential oil was entirely composed of sesquiterpenes. In essential oil of cinnamon dominates (E)-cinnamaldehyde. Applying the in vitro microdilution method, it was found that all essential oils were active in inhibiting the growth of all tested 21 pre- and post-harvest phytopathogenic and saprophytic fungi. MIC and MFC ranged from 1.2 mg ml-1 up to 22.6 mg ml-1 according to the test oil. Rosemary oil showed the best antifungal potential, followed by black pepper and cinnamon oil. Sage and Spanish sage oils also exhibited significant antifungal potential. Vetiver oil demonstrated the lowest antifungal activity. Essential oils that showed considerable antifungal potential are good candidates for further examination of their use in preventing and/or protection of medicinal plants, their seeds and dried drugs against fungal infections, both in the field and in warehouses.
AB  - Poslednjih godina velika pažnja poklanja se biološkoj kontroli to jest primeni prirodnih produkata u zaštiti, kako poljoprivrednih kultura, tako i lekovitog bilja od kontaminacije fitopatogenim i saprofitnim gljivama. U tom smislu, ispitivan je antifungalni potencijal šest etarskih ulja uz određivanje kompletnog kvalitativnog i kvantitativnog hemijskog sastava primenom GC-FID i GC-MS analiza. Dok se korišćeni uzorci etarskih ulja ruzmarina, žalfije, španske žalfije i crnog bibera isključivo sastoje od monoterpena, u ulju vetivera potpuno dominiraju seskviterpeni. U etarskom ulju cimeta najzastupljenija komponneta je bila (E)- cinemaldehid. Primenom in vitro mikrodilucione metode, utvrđeno je da su sva ulja bila aktivna u inhibiciji rasta 21 testirane, pre- i post-žetvene, fitopatogene i saprofitne gljive, sa razlikama u efikasnosti. MIC i MFC vrednosti su varirale u opsegu od 1,2 mg ml-1 do 22,6 mg ml-1, u zavisnosti od ispitivanog ulja. Najbolja antifungalna aktivnost utvrđena je za ulje ruzmarina, nešto slabija za ulja crnog bibera i cimeta, dok je ulje vetivera ispoljilo najslabiju aktivnost. Etarska ulja obe vrste žalfija ispoljila su značajan antifungalni potencijal. Etarska ulja koja poseduju značajan antifungalni potencijal su dobri kandidati za nastavak istraživanja u pravcu njihove primene u prevenciji i zaštiti useva lekovitog bilja, kao i njihovih semena i osušenih biljnih droga od gljivičnih infekcija, i u polju i u skladištima.
PB  - Institute for Medicinal Plants Research "Dr. Josif Pancic"
T2  - Lekovite sirovine
T1  - Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants
T1  - Hemijski sastav i inhibitorna aktivnost odabranih etarskih ulja na gljive izolovane sa lekovitog bilja
VL  - 34
IS  - 34
SP  - 69
EP  - 80
DO  - 10.5937/leksir1434069S
ER  - 
@article{
author = "Stević, Tatjana and Stanković, Slaviša and Šavikin, Katarina and Gođevac, Dejan and Dimkić, Ivica and Soković, Marina and Berić, Tanja",
year = "2014",
abstract = "In recent years great attention was paid to biological control, the application of natural products in order to protect crops and medicinal plants against contamination with phytopathogenic and saprophytic fungi. Essential oils have been evaluated as a potentially safe replacement for chemicals used for that purpose. In this regard, antifungal potential of six essential oils was examined coupled with determination of the complete qualitative and quantitative chemical composition by GC-FID and GC-MS analysis. While essential oils of rosemary, sage, Spanish sage and black pepper were exclusively composed of monoterpenes, vetiver essential oil was entirely composed of sesquiterpenes. In essential oil of cinnamon dominates (E)-cinnamaldehyde. Applying the in vitro microdilution method, it was found that all essential oils were active in inhibiting the growth of all tested 21 pre- and post-harvest phytopathogenic and saprophytic fungi. MIC and MFC ranged from 1.2 mg ml-1 up to 22.6 mg ml-1 according to the test oil. Rosemary oil showed the best antifungal potential, followed by black pepper and cinnamon oil. Sage and Spanish sage oils also exhibited significant antifungal potential. Vetiver oil demonstrated the lowest antifungal activity. Essential oils that showed considerable antifungal potential are good candidates for further examination of their use in preventing and/or protection of medicinal plants, their seeds and dried drugs against fungal infections, both in the field and in warehouses., Poslednjih godina velika pažnja poklanja se biološkoj kontroli to jest primeni prirodnih produkata u zaštiti, kako poljoprivrednih kultura, tako i lekovitog bilja od kontaminacije fitopatogenim i saprofitnim gljivama. U tom smislu, ispitivan je antifungalni potencijal šest etarskih ulja uz određivanje kompletnog kvalitativnog i kvantitativnog hemijskog sastava primenom GC-FID i GC-MS analiza. Dok se korišćeni uzorci etarskih ulja ruzmarina, žalfije, španske žalfije i crnog bibera isključivo sastoje od monoterpena, u ulju vetivera potpuno dominiraju seskviterpeni. U etarskom ulju cimeta najzastupljenija komponneta je bila (E)- cinemaldehid. Primenom in vitro mikrodilucione metode, utvrđeno je da su sva ulja bila aktivna u inhibiciji rasta 21 testirane, pre- i post-žetvene, fitopatogene i saprofitne gljive, sa razlikama u efikasnosti. MIC i MFC vrednosti su varirale u opsegu od 1,2 mg ml-1 do 22,6 mg ml-1, u zavisnosti od ispitivanog ulja. Najbolja antifungalna aktivnost utvrđena je za ulje ruzmarina, nešto slabija za ulja crnog bibera i cimeta, dok je ulje vetivera ispoljilo najslabiju aktivnost. Etarska ulja obe vrste žalfija ispoljila su značajan antifungalni potencijal. Etarska ulja koja poseduju značajan antifungalni potencijal su dobri kandidati za nastavak istraživanja u pravcu njihove primene u prevenciji i zaštiti useva lekovitog bilja, kao i njihovih semena i osušenih biljnih droga od gljivičnih infekcija, i u polju i u skladištima.",
publisher = "Institute for Medicinal Plants Research "Dr. Josif Pancic"",
journal = "Lekovite sirovine",
title = "Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants, Hemijski sastav i inhibitorna aktivnost odabranih etarskih ulja na gljive izolovane sa lekovitog bilja",
volume = "34",
number = "34",
pages = "69-80",
doi = "10.5937/leksir1434069S"
}
Stević, T., Stanković, S., Šavikin, K., Gođevac, D., Dimkić, I., Soković, M.,& Berić, T.. (2014). Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants. in Lekovite sirovine
Institute for Medicinal Plants Research "Dr. Josif Pancic"., 34(34), 69-80.
https://doi.org/10.5937/leksir1434069S
Stević T, Stanković S, Šavikin K, Gođevac D, Dimkić I, Soković M, Berić T. Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants. in Lekovite sirovine. 2014;34(34):69-80.
doi:10.5937/leksir1434069S .
Stević, Tatjana, Stanković, Slaviša, Šavikin, Katarina, Gođevac, Dejan, Dimkić, Ivica, Soković, Marina, Berić, Tanja, "Chemical composition and inhibitory activity of selected essential oils against fungi isolated from medicinal plants" in Lekovite sirovine, 34, no. 34 (2014):69-80,
https://doi.org/10.5937/leksir1434069S . .
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