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https://open.uns.ac.rs/handle/123456789/115
Nаziv: | Expression of protein synthesis elongation factors in winter wheat and oat in response to heat stress | Аutоri: | Djukić N. Knežević, D. Pantelić D. Živančević, D. Torbica, Aleksandra Marković, V. |
Dаtum izdаvаnjа: | 1-сеп-2019 | Čаsоpis: | Journal of Plant Physiology | Sažetak: | © 2019 The aim of our work was to examine the expression and accumulation of EF-Tu and eEF1A in grain filing stage of five genotypes of winter wheat and one oat genotype in conditions of heat stress. In addition, the correlation between accumulation of elongation factors eEF1A and EF-Tu, and yield components of cereals in the field was investigated. Flag leaf protein samples were analyzed by immunoblotting. Flag leaves were collected under conditions of moderate (23 °C; MT) and high air temperature (38 °C; HT) in a field experiment. After the harvest, grain yield was determined. The yield components, the weight of dry seed and grains number per spike, were assessed in the stage of full physiological maturity of investigated cultivars. Obtained results revealed a difference in the level of EF-Tu accumulation both under conditions of moderate air temperatures and conditions of heat stress among investigated cultivars. Cultivar Zvezdana was the only one that showed increase in EF-Tu accumulation under HT (25%) compared to MT. Immunoblot analysis indicated that the highest increase of eEF1A accumulation (43%) in relation to moderate temperature was detected in cultivar Talas. A significant, positive, linear correlation was found between the expression of eEF1A and small grains productivity under heat-stress conditions. | URI: | https://open.uns.ac.rs/handle/123456789/115 | ISSN: | 01761617 | DOI: | 10.1016/j.jplph.2019.153015 |
Nаlаzi sе u kоlеkciјаmа: | FINS Publikacije/Publications |
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