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Article

Two Festuca Species—F. arundinacea and F. glaucescens—Differ in the Molecular Response to Drought, While Their Physiological Response Is Similar

1
Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland
2
Department of Plant Ecophysiology, Institute of Experimental Biology, Faculty of Biology, Adam Mickiewicz University, 61-614 Poznań, Poland
3
Department of Plant Breeding, Physiology and Seed Science, University of Agriculture in Kraków, Podłużna 3, 30-239 Kraków, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(9), 3174; https://doi.org/10.3390/ijms21093174
Received: 16 April 2020 / Revised: 28 April 2020 / Accepted: 29 April 2020 / Published: 30 April 2020
(This article belongs to the Special Issue Plant Cell and Organism Development)
Impact of photosynthetic and antioxidant capacities on drought tolerance of two closely related forage grasses, Festuca arundinacea and Festuca glaucescens, was deciphered. Within each species, two genotypes distinct in drought tolerance were subjected to a short-term drought, followed by a subsequent re-watering. The studies were focused on: (i) analysis of plant physiological performance, including: water uptake, abscisic acid (ABA) content, membrane integrity, gas exchange, and relative water content in leaf tissue; (ii) analysis of plant photosynthetic capacity (chlorophyll fluorescence; gene expression, protein accumulation, and activity of selected enzymes of the Calvin cycle); and (iii) analysis of plant antioxidant capacity (reactive oxygen species (ROS) generation; gene expression, protein accumulation and activity of selected enzymes). Though, F. arundinacea and F. glaucescens revealed different strategies in water uptake, and partially also in ABA signaling, their physiological reactions to drought and further re-watering, were similar. On the other hand, performance of the Calvin cycle and antioxidant system differed between the analyzed species under drought and re-watering periods. A stable efficiency of the Calvin cycle in F. arundinacea was crucial to maintain a balanced network of ROS/redox signaling, and consequently drought tolerance. The antioxidant capacity influenced mostly tolerance to stress in F. glaucescens. View Full-Text
Keywords: antioxidant system; drought tolerance; Festuca arundinacea; Festuca glaucescens; forage grasses; photosynthesis antioxidant system; drought tolerance; Festuca arundinacea; Festuca glaucescens; forage grasses; photosynthesis
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MDPI and ACS Style

Lechowicz, K.; Pawłowicz, I.; Perlikowski, D.; Arasimowicz-Jelonek, M.; Majka, J.; Augustyniak, A.; Rapacz, M.; Kosmala, A. Two Festuca Species—F. arundinacea and F. glaucescens—Differ in the Molecular Response to Drought, While Their Physiological Response Is Similar. Int. J. Mol. Sci. 2020, 21, 3174. https://doi.org/10.3390/ijms21093174

AMA Style

Lechowicz K, Pawłowicz I, Perlikowski D, Arasimowicz-Jelonek M, Majka J, Augustyniak A, Rapacz M, Kosmala A. Two Festuca Species—F. arundinacea and F. glaucescens—Differ in the Molecular Response to Drought, While Their Physiological Response Is Similar. International Journal of Molecular Sciences. 2020; 21(9):3174. https://doi.org/10.3390/ijms21093174

Chicago/Turabian Style

Lechowicz, Katarzyna, Izabela Pawłowicz, Dawid Perlikowski, Magdalena Arasimowicz-Jelonek, Joanna Majka, Adam Augustyniak, Marcin Rapacz, and Arkadiusz Kosmala. 2020. "Two Festuca Species—F. arundinacea and F. glaucescens—Differ in the Molecular Response to Drought, While Their Physiological Response Is Similar" International Journal of Molecular Sciences 21, no. 9: 3174. https://doi.org/10.3390/ijms21093174

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