TY  - CONF
AU  - Vidović, Marija
AU  - Morina, Filis
AU  - Milić Komić, Sonja
AU  - Veljović-Jovanović, Sonja
PY  - 2019
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/3090
AB  - Balkanic endemic plant species, Ramonda serbica, belongs to a small group of resurrection plants, since it is able to survive in an almost completely dehydrated state for months, and to fully recover metabolic functions upon watering. During drought and rehydration, reactive oxygen species increase presents an additional treat. In accordance, the increase of activities of the antioxidative enzymes, such as several superoxide dismutases and polyphenol oxidases in the critical first few hours of rehydration of R. serbica leaves was reported [1,2]. In fully hydrated leaves, the most abundant soluble phenolics were hydroxybenzoic acids (HBAs: p‐hydroxybenzoic, protocatechuic, and syringic acid) and catechin. Among hydroxycinnamic acids (HCAs), caffeic acid was the major one, beside ferulic and chlorogenic acids. In addition, four flavonoids: apigenin, luteolin, cyanidin and delphinidin were identified as glycosides. Although R. serbica settles exclusively north-facing steep rocky sides, in the shade of the surrounding forest canopy, with reduced solar irradiance, 5-d-exposure to supplemental UV-B radiation significantly enhanced amounts of HBA derivatives and anthocyanins (2.6 and 5.7 folds, respectively), whereas flavon glycosides and most of HCA derivatives were unaffected. The physiological aspect of this UV-B stimulative effect, as well as the role of phenolic metabolism in cellular desiccation survival has to be explained.
PB  - Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš
PB  - Institute for Nature Conservation of Serbia
C3  - 13th Symposium on the Flora of Southeastern Serbia and Neighbouring Regions, 2019,137
T1  - Phenolic compounds are involved in desiccation tolerance of endemic resurrection species Ramonda serbica Panc.
SP  - 137
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_3090
ER  - 

@conference{
author = "Vidović, Marija and Morina, Filis and Milić Komić, Sonja and Veljović-Jovanović, Sonja",
year = "2019",
abstract = "Balkanic endemic plant species, Ramonda serbica, belongs to a small group of resurrection plants, since it is able to survive in an almost completely dehydrated state for months, and to fully recover metabolic functions upon watering. During drought and rehydration, reactive oxygen species increase presents an additional treat. In accordance, the increase of activities of the antioxidative enzymes, such as several superoxide dismutases and polyphenol oxidases in the critical first few hours of rehydration of R. serbica leaves was reported [1,2]. In fully hydrated leaves, the most abundant soluble phenolics were hydroxybenzoic acids (HBAs: p‐hydroxybenzoic, protocatechuic, and syringic acid) and catechin. Among hydroxycinnamic acids (HCAs), caffeic acid was the major one, beside ferulic and chlorogenic acids. In addition, four flavonoids: apigenin, luteolin, cyanidin and delphinidin were identified as glycosides. Although R. serbica settles exclusively north-facing steep rocky sides, in the shade of the surrounding forest canopy, with reduced solar irradiance, 5-d-exposure to supplemental UV-B radiation significantly enhanced amounts of HBA derivatives and anthocyanins (2.6 and 5.7 folds, respectively), whereas flavon glycosides and most of HCA derivatives were unaffected. The physiological aspect of this UV-B stimulative effect, as well as the role of phenolic metabolism in cellular desiccation survival has to be explained.",
publisher = "Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Institute for Nature Conservation of Serbia",
journal = "13th Symposium on the Flora of Southeastern Serbia and Neighbouring Regions, 2019,137",
title = "Phenolic compounds are involved in desiccation tolerance of endemic resurrection species Ramonda serbica Panc.",
pages = "137",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_3090"
}

Vidović, M., Morina, F., Milić Komić, S.,& Veljović-Jovanović, S.. (2019). Phenolic compounds are involved in desiccation tolerance of endemic resurrection species Ramonda serbica Panc.. in 13th Symposium on the Flora of Southeastern Serbia and Neighbouring Regions, 2019,137
Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš., 137.
https://hdl.handle.net/21.15107/rcub_rimsi_3090

Vidović M, Morina F, Milić Komić S, Veljović-Jovanović S. Phenolic compounds are involved in desiccation tolerance of endemic resurrection species Ramonda serbica Panc.. in 13th Symposium on the Flora of Southeastern Serbia and Neighbouring Regions, 2019,137. 2019;:137.
https://hdl.handle.net/21.15107/rcub_rimsi_3090 .

Vidović, Marija, Morina, Filis, Milić Komić, Sonja, Veljović-Jovanović, Sonja, "Phenolic compounds are involved in desiccation tolerance of endemic resurrection species Ramonda serbica Panc." in 13th Symposium on the Flora of Southeastern Serbia and Neighbouring Regions, 2019,137 (2019):137,
https://hdl.handle.net/21.15107/rcub_rimsi_3090 .