TY  - CONF
AU  - Kostić Kravljanac, Ljiljana
AU  - Trailović, Maja
AU  - Pavlović, Jelena
AU  - Kostić, Igor
AU  - Dubljanin, Tijana
AU  - Nikolic, Miroslav
PY  - 2022
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2135
AB  - Silicon (Si) is the major constituent of soil present in various fractions, i.e., mobile, adsorbed, occluded (in pedogenic oxides and hydroxides), amorphous (biogenic and lithogenic) and crystalline (primary and secondary silicates, and quartz). Different soil factors such as pH, temperatures, microbial activity, the presence of cations, Al/Fe oxides and hydroxides and organic compounds, influence Si transformation, thereby modifying plant availably of Si. Silicon mobility and transformation in the soil have mainly been studied in the context of pedogenesis or biogeochemical Si cycling. However, research on Si mobility, transformation, and plant availability in the rhizosphere is still lacking. Here, we investigated the root potential of white lupine (Lupinus albus L.), known as a phosphorus (P)-efficient model plant (e.g., root release of H+ and carboxylates), to mobilize Si from the soil. Plants were grown in the rhizoboxes filled with low P soil (control) and fertilized with different N-forms (NO3, NH4 and NO3NH4). The control, NO3- and NO3NH4-fertilized plants accumulated significantly lower amounts of Si than the NH4-fertilized ones. All applied N-forms influenced Si availability in the bulk soil, but Si fractions have further been modified in the rhizosphere, what was crucial for Si accumulation in plants. For instance, NO3 supply slightly decreased Si availability in the bulk soil, but lupine plants accumulated a similar amount of Si as the control plants. A strong gradient of decreasing Si concentrations between bulk and rhizosphere soils was observed in mobile, adsorbed, and amorphous biogenic Si pools in the control and in all N treatments, while occluded and lithogenic amorphous Si pools were recalcitrant. Interestingly, a gradient of increasing concentrations of the amorphous biogenic Si pool between bulk and rhizosphere soils was recorded in the NH4 treatment, concomitantly with the strongest rhizosphere acidification.
PB  - ISSAG and AgCenter LSU
C3  - 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA
T1  - Effect of N-forms on Silicon Mobilization in the Rhizosphere of White Lupin
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2135
ER  - 

@conference{
author = "Kostić Kravljanac, Ljiljana and Trailović, Maja and Pavlović, Jelena and Kostić, Igor and Dubljanin, Tijana and Nikolic, Miroslav",
year = "2022",
abstract = "Silicon (Si) is the major constituent of soil present in various fractions, i.e., mobile, adsorbed, occluded (in pedogenic oxides and hydroxides), amorphous (biogenic and lithogenic) and crystalline (primary and secondary silicates, and quartz). Different soil factors such as pH, temperatures, microbial activity, the presence of cations, Al/Fe oxides and hydroxides and organic compounds, influence Si transformation, thereby modifying plant availably of Si. Silicon mobility and transformation in the soil have mainly been studied in the context of pedogenesis or biogeochemical Si cycling. However, research on Si mobility, transformation, and plant availability in the rhizosphere is still lacking. Here, we investigated the root potential of white lupine (Lupinus albus L.), known as a phosphorus (P)-efficient model plant (e.g., root release of H+ and carboxylates), to mobilize Si from the soil. Plants were grown in the rhizoboxes filled with low P soil (control) and fertilized with different N-forms (NO3, NH4 and NO3NH4). The control, NO3- and NO3NH4-fertilized plants accumulated significantly lower amounts of Si than the NH4-fertilized ones. All applied N-forms influenced Si availability in the bulk soil, but Si fractions have further been modified in the rhizosphere, what was crucial for Si accumulation in plants. For instance, NO3 supply slightly decreased Si availability in the bulk soil, but lupine plants accumulated a similar amount of Si as the control plants. A strong gradient of decreasing Si concentrations between bulk and rhizosphere soils was observed in mobile, adsorbed, and amorphous biogenic Si pools in the control and in all N treatments, while occluded and lithogenic amorphous Si pools were recalcitrant. Interestingly, a gradient of increasing concentrations of the amorphous biogenic Si pool between bulk and rhizosphere soils was recorded in the NH4 treatment, concomitantly with the strongest rhizosphere acidification.",
publisher = "ISSAG and AgCenter LSU",
journal = "8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA",
title = "Effect of N-forms on Silicon Mobilization in the Rhizosphere of White Lupin",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2135"
}

Kostić Kravljanac, L., Trailović, M., Pavlović, J., Kostić, I., Dubljanin, T.,& Nikolic, M.. (2022). Effect of N-forms on Silicon Mobilization in the Rhizosphere of White Lupin. in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA
ISSAG and AgCenter LSU..
https://hdl.handle.net/21.15107/rcub_rimsi_2135

Kostić Kravljanac L, Trailović M, Pavlović J, Kostić I, Dubljanin T, Nikolic M. Effect of N-forms on Silicon Mobilization in the Rhizosphere of White Lupin. in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA. 2022;.
https://hdl.handle.net/21.15107/rcub_rimsi_2135 .

Kostić Kravljanac, Ljiljana, Trailović, Maja, Pavlović, Jelena, Kostić, Igor, Dubljanin, Tijana, Nikolic, Miroslav, "Effect of N-forms on Silicon Mobilization in the Rhizosphere of White Lupin" in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA (2022),
https://hdl.handle.net/21.15107/rcub_rimsi_2135 .

TY  - CONF
AU  - Pavlović, Jelena
AU  - Hernandez-Apaolaza, Lourdes
AU  - Dubljanin, Tijana
AU  - Nikolic, Miroslav
PY  - 2022
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2134
AB  - Zinc (Zn), an essential micronutrient for crops, is involved in a variety of physiological processes. The Zn deficiency mainly affects generative growth and seed development and being a component of the antioxidant machinery (e.g., Cu/Zn-SOD) is conductive to oxidative stress in plant tissues. Rice is a typical silicon (Si)-accumulating species, which is strongly affected by Zn deficiency in the alkaline, low Zn soils, especially high in phosphate and/or organic matter. Yet, little is known about the interaction between Si and Zn in rice plants under Zn-deficient conditions. We investigated the effect of Si nutrition on Zn tissue distribution and biosynthesis of organic acid in rice plants subjected to short-term (up to 7 days) and long-term (28 days) Zn deficiency. Tissue concentrations of organic acids by HPLC in parallel Zn and Si by ICP-OES were measured. The Si addition to the nutrient solution successfully mitigated visual symptoms of Zn-deficiency stress and significantly increased dry biomass of rice plants. Interestingly, during the short-term experiment, +Zn plants supplied with Si showed significantly lower Zn concentration in the shoots, but significantly higher Zn concentration in the roots. Also, in the -Zn plants supplied with Si, the concentration of Zn in root tissue rapidly decreased to the level of -Si/-Zn plants, which was followed by an increased concentrations of both organic acids and Zn in the shoots. In the long-term experiment, however, Si did not affect Zn concentration in roots nor in shoots of -Zn plants, but Si differently affected organic acid profile and their tissue accumulation depending on the plant organ and Zn status. In conclusion, Si supply enhanced root-to-shoot translocation of Zn mediated by organic acid ligands during the first 7 days of Zn deficiency.
PB  - ISSAG and AgCenter LSU
C3  - 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA
T1  - Silicon Enhances the Biosynthesis of Organic Acids in Zinc-deficient Rice
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2134
ER  - 

@conference{
author = "Pavlović, Jelena and Hernandez-Apaolaza, Lourdes and Dubljanin, Tijana and Nikolic, Miroslav",
year = "2022",
abstract = "Zinc (Zn), an essential micronutrient for crops, is involved in a variety of physiological processes. The Zn deficiency mainly affects generative growth and seed development and being a component of the antioxidant machinery (e.g., Cu/Zn-SOD) is conductive to oxidative stress in plant tissues. Rice is a typical silicon (Si)-accumulating species, which is strongly affected by Zn deficiency in the alkaline, low Zn soils, especially high in phosphate and/or organic matter. Yet, little is known about the interaction between Si and Zn in rice plants under Zn-deficient conditions. We investigated the effect of Si nutrition on Zn tissue distribution and biosynthesis of organic acid in rice plants subjected to short-term (up to 7 days) and long-term (28 days) Zn deficiency. Tissue concentrations of organic acids by HPLC in parallel Zn and Si by ICP-OES were measured. The Si addition to the nutrient solution successfully mitigated visual symptoms of Zn-deficiency stress and significantly increased dry biomass of rice plants. Interestingly, during the short-term experiment, +Zn plants supplied with Si showed significantly lower Zn concentration in the shoots, but significantly higher Zn concentration in the roots. Also, in the -Zn plants supplied with Si, the concentration of Zn in root tissue rapidly decreased to the level of -Si/-Zn plants, which was followed by an increased concentrations of both organic acids and Zn in the shoots. In the long-term experiment, however, Si did not affect Zn concentration in roots nor in shoots of -Zn plants, but Si differently affected organic acid profile and their tissue accumulation depending on the plant organ and Zn status. In conclusion, Si supply enhanced root-to-shoot translocation of Zn mediated by organic acid ligands during the first 7 days of Zn deficiency.",
publisher = "ISSAG and AgCenter LSU",
journal = "8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA",
title = "Silicon Enhances the Biosynthesis of Organic Acids in Zinc-deficient Rice",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2134"
}

Pavlović, J., Hernandez-Apaolaza, L., Dubljanin, T.,& Nikolic, M.. (2022). Silicon Enhances the Biosynthesis of Organic Acids in Zinc-deficient Rice. in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA
ISSAG and AgCenter LSU..
https://hdl.handle.net/21.15107/rcub_rimsi_2134

Pavlović J, Hernandez-Apaolaza L, Dubljanin T, Nikolic M. Silicon Enhances the Biosynthesis of Organic Acids in Zinc-deficient Rice. in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA. 2022;.
https://hdl.handle.net/21.15107/rcub_rimsi_2134 .

Pavlović, Jelena, Hernandez-Apaolaza, Lourdes, Dubljanin, Tijana, Nikolic, Miroslav, "Silicon Enhances the Biosynthesis of Organic Acids in Zinc-deficient Rice" in 8th International Conference on Silicon in Agriculture, May 23-26, 2022, New Orleans, LA, USA (2022),
https://hdl.handle.net/21.15107/rcub_rimsi_2134 .

TY  - JOUR
AU  - Stanojević, Miloš
AU  - Trailović, Maja
AU  - Dubljanin, Tijana
AU  - Krivosej, Zoran
AU  - Nikolic, Miroslav
AU  - Nikolić, Nina
PY  - 2021
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1503
AB  - An annual plant, Himalayan balsam (Impatiens glandulifera Royle) is globally widespread and one of Europe's top invaders. We focused on two questions: does this species indeed not invade the southern areas and does the environment affect some of its key invisibility traits. In an isolated model mountainous valley, we jointly analyzed the soil (21 parameters), the life history traits of the invader (height, stem diameter, aboveground dw), and the resident vegetation (species composition and abundances, Ellenberg indicator values), and supplemented it with local knowledge (semi-structured interviews). Uncontrolled discharge of fecal wastewaters directly into the local dense hydrological network fostered mass infestation of an atypical habitat. The phenotypic plasticity of the measured invasion-related traits was very high in the surveyed early invasion (30-50% invader cover) stages. Different microhabitat conditions consistently correlated with its growth performance. The largest individuals were restricted to the deforested riparian habitats, with extreme soil nutrient enrichment (primarily by P and K) and low-competitive, species-poor resident vegetation. We showed that ecological context can modify invasion-related traits and what could affect a further invasion process. Finally, this species is likely underreported in the wider region; public attitude and loss of traditional ecological knowledge are further management risks.
PB  - MDPI, Basel
T2  - Plants-Basel
T1  - Sewage Pollution Promotes the Invasion-Related Traits of Impatiens glandulifera in an Oligotrophic Habitat of the Sharr Mountain (Western Balkans)
IS  - 12
VL  - 10
DO  - 10.3390/plants10122814
ER  - 

@article{
author = "Stanojević, Miloš and Trailović, Maja and Dubljanin, Tijana and Krivosej, Zoran and Nikolic, Miroslav and Nikolić, Nina",
year = "2021",
abstract = "An annual plant, Himalayan balsam (Impatiens glandulifera Royle) is globally widespread and one of Europe's top invaders. We focused on two questions: does this species indeed not invade the southern areas and does the environment affect some of its key invisibility traits. In an isolated model mountainous valley, we jointly analyzed the soil (21 parameters), the life history traits of the invader (height, stem diameter, aboveground dw), and the resident vegetation (species composition and abundances, Ellenberg indicator values), and supplemented it with local knowledge (semi-structured interviews). Uncontrolled discharge of fecal wastewaters directly into the local dense hydrological network fostered mass infestation of an atypical habitat. The phenotypic plasticity of the measured invasion-related traits was very high in the surveyed early invasion (30-50% invader cover) stages. Different microhabitat conditions consistently correlated with its growth performance. The largest individuals were restricted to the deforested riparian habitats, with extreme soil nutrient enrichment (primarily by P and K) and low-competitive, species-poor resident vegetation. We showed that ecological context can modify invasion-related traits and what could affect a further invasion process. Finally, this species is likely underreported in the wider region; public attitude and loss of traditional ecological knowledge are further management risks.",
publisher = "MDPI, Basel",
journal = "Plants-Basel",
title = "Sewage Pollution Promotes the Invasion-Related Traits of Impatiens glandulifera in an Oligotrophic Habitat of the Sharr Mountain (Western Balkans)",
number = "12",
volume = "10",
doi = "10.3390/plants10122814"
}

Stanojević, M., Trailović, M., Dubljanin, T., Krivosej, Z., Nikolic, M.,& Nikolić, N.. (2021). Sewage Pollution Promotes the Invasion-Related Traits of Impatiens glandulifera in an Oligotrophic Habitat of the Sharr Mountain (Western Balkans). in Plants-Basel
MDPI, Basel., 10(12).
https://doi.org/10.3390/plants10122814

Stanojević M, Trailović M, Dubljanin T, Krivosej Z, Nikolic M, Nikolić N. Sewage Pollution Promotes the Invasion-Related Traits of Impatiens glandulifera in an Oligotrophic Habitat of the Sharr Mountain (Western Balkans). in Plants-Basel. 2021;10(12).
doi:10.3390/plants10122814 .

Stanojević, Miloš, Trailović, Maja, Dubljanin, Tijana, Krivosej, Zoran, Nikolic, Miroslav, Nikolić, Nina, "Sewage Pollution Promotes the Invasion-Related Traits of Impatiens glandulifera in an Oligotrophic Habitat of the Sharr Mountain (Western Balkans)" in Plants-Basel, 10, no. 12 (2021),
https://doi.org/10.3390/plants10122814 . .

TY  - CONF
AU  - Buntić, Aneta
AU  - Stajkovic-Srbinovic, Olivera
AU  - Milić, Marija
AU  - Dubljanin, Tijana
AU  - Đorđe, Kuzmanović
AU  - Knezevic, Magdalena
AU  - Delic, Dusica
PY  - 2019
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2156
AB  - Miscanthus × giganteus, as a lignocellulosic material, consists of about 30% xylan and represents a good basis for research as a possible raw material in the production of xylanases. Among the soil bacteria, rhizobium is rarely investigated as an enzyme producer. For the first time, Sinorhizobium meliloti strain 207 was used to obtain xylanase during submerged and solid fermentation using miscanthus biomass as a substrate. During submerged fermentation (28°C), the maximum xylanase activity was achieved after 48 h with 10% inoculum and H2SO4 substrate modification. The maximum xylanase activity of 1.215 U/mL was obtained during solid-state fermentation (28°C) by using also H2SO4 modified miscanthus biomass which was moistened with distillate water. The crude enzyme, produced by strain 207, could be further used in eco-friendly processes of lignocellulose material bioconversion to useful products.
PB  - The Balkans Scientific Center of the Russian Academy of Natural Sciences
C3  - 1st International Symposium: Modern Trends in Agricultural Production and Environmental Protection
T1  - Utilization of miscanthus waste biomass for xylanase production by soil bacterium Sinorhizobium meliloti
VL  - 151-163
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2156
ER  - 

@conference{
author = "Buntić, Aneta and Stajkovic-Srbinovic, Olivera and Milić, Marija and Dubljanin, Tijana and Đorđe, Kuzmanović and Knezevic, Magdalena and Delic, Dusica",
year = "2019",
abstract = "Miscanthus × giganteus, as a lignocellulosic material, consists of about 30% xylan and represents a good basis for research as a possible raw material in the production of xylanases. Among the soil bacteria, rhizobium is rarely investigated as an enzyme producer. For the first time, Sinorhizobium meliloti strain 207 was used to obtain xylanase during submerged and solid fermentation using miscanthus biomass as a substrate. During submerged fermentation (28°C), the maximum xylanase activity was achieved after 48 h with 10% inoculum and H2SO4 substrate modification. The maximum xylanase activity of 1.215 U/mL was obtained during solid-state fermentation (28°C) by using also H2SO4 modified miscanthus biomass which was moistened with distillate water. The crude enzyme, produced by strain 207, could be further used in eco-friendly processes of lignocellulose material bioconversion to useful products.",
publisher = "The Balkans Scientific Center of the Russian Academy of Natural Sciences",
journal = "1st International Symposium: Modern Trends in Agricultural Production and Environmental Protection",
title = "Utilization of miscanthus waste biomass for xylanase production by soil bacterium Sinorhizobium meliloti",
volume = "151-163",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2156"
}

Buntić, A., Stajkovic-Srbinovic, O., Milić, M., Dubljanin, T., Đorđe, K., Knezevic, M.,& Delic, D.. (2019). Utilization of miscanthus waste biomass for xylanase production by soil bacterium Sinorhizobium meliloti. in 1st International Symposium: Modern Trends in Agricultural Production and Environmental Protection
The Balkans Scientific Center of the Russian Academy of Natural Sciences., 151-163.
https://hdl.handle.net/21.15107/rcub_rimsi_2156

Buntić A, Stajkovic-Srbinovic O, Milić M, Dubljanin T, Đorđe K, Knezevic M, Delic D. Utilization of miscanthus waste biomass for xylanase production by soil bacterium Sinorhizobium meliloti. in 1st International Symposium: Modern Trends in Agricultural Production and Environmental Protection. 2019;151-163.
https://hdl.handle.net/21.15107/rcub_rimsi_2156 .

Buntić, Aneta, Stajkovic-Srbinovic, Olivera, Milić, Marija, Dubljanin, Tijana, Đorđe, Kuzmanović, Knezevic, Magdalena, Delic, Dusica, "Utilization of miscanthus waste biomass for xylanase production by soil bacterium Sinorhizobium meliloti" in 1st International Symposium: Modern Trends in Agricultural Production and Environmental Protection, 151-163 (2019),
https://hdl.handle.net/21.15107/rcub_rimsi_2156 .