Tytuł
Plasticity of Plantago lanceolata L. in Adaptation to Extreme Environmental Conditions
Autorzy
[ 1 ] Grupa I Biologii Roślin, Instytut Botaniki im. W. Szafera Polskiej Akademii Nauk | [ 2 ] Grupa III Ekologii Funkcjonalnej i Ewolucyjnej, Instytut Botaniki im. W. Szafera Polskiej Akademii Nauk | [ P ] pracownik
Dyscyplina naukowa (Ustawa 2.0)
Rok publikacji
2023
Opublikowano w
Typ artykułu
artykuł naukowy
Język publikacji
angielski
Słowa kluczowe
Streszczenie
EN This study aimed at characterizing some adaptive changes in Plantago lanceolata L. exposed to harsh conditions of a desert-like environment generating physiological stress of limited water availability and exposure to strong light. It was clearly shown that the plants were capable of adapting their root system and vascular tissues to enable efficient vegetative performance. Soil analyses, as well as nitrogen isotope discrimination data show that P. lanceolata leaves in a desert-like environment had better access to nitrogen (nitrite/nitrate) and were able to fix it efficiently, as compared to the plants growing in the surrounding forest. The arbuscular mycorrhiza was also shown to be well-developed, and this was accompanied by higher bacterial frequency in the root zone, which might further stimulate plant growth. A closer look at the nitrogen content and leaf veins with a higher number of vessels and a greater vessel diameter made it possible to define the changes developed by the plants populating sandy habitats as compared with the vegetation sites located in the nearby forest. A determination of the photosynthesis parameters indicates that the photochemical apparatus in P. lanceolata inhabiting the desert areas adapted slightly to the desert-like environment and the time of day, with some changes of the reaction center (RC) size (photosystem II, PSII), while the plants’ photochemical activity was at a similar level. No differences between the two groups of plants were observed in the dissipation of light energy. The exposure of plants to harsh conditions of a desert-like environment increased the water use efficiency (WUE) value in parallel with possible stimulation of the β-carboxylation pathway.
Strony (od-do)
id. 13605
Typ licencji
CC BY (uznanie autorstwa)
Tryb otwartego dostępu
otwarte czasopismo
Wersja tekstu w otwartym dostępie
ostateczna wersja opublikowana
Data udostępnienia
02.09.2023
Czas udostępnienia publikacji w sposób otwarty
w momencie opublikowania
Punktacja Ministerstwa / czasopismo
140
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