Research Article


DOI :10.26650/EurJBiol.2022.1155582   IUP :10.26650/EurJBiol.2022.1155582    Full Text (PDF)

The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea

Nihal Gören SağlamFazilet Özlem AlbayrakDilek Ünal

Objective: Global warming causes many different stresses for plants. High-temperature stress is one of the important problems caused by global warming. Plants develop various tolerance mechanisms to protect themselves against these stresses. γ-Aminobutyric acid (GABA) metabolism has a critical role in various biological processes in plants. GABA plays a critical role in the acclimation to different stress conditions in plants. Lichens can grow in environments exposed to severe abiotic stresses such as drought and extreme heat. The major aim of this study was to identify whether GABA accumulation could improve short-term, high-temperature tolerance in lichen Pseudevernia furfuracea. Materials and Methods: For this aim, P. furfuracea samples were kept in petri dishes in an incubator at 45 ± 2°C for 24 and 48 h. We analyzed the chlorophyll a/b ratio, GABA content, glutamate decarboxylase (GAD) and glutamate dehydrogenase (GDH) activities, which are important enzymes involved in the GABA shunt, and also peroxidase (POD) and catalase (CAT) activities of the antioxidant metabolism. Results: Our study indicated that the chlorophyll a/b ratio was not changed significantly under 45°C within 48 h. POD and CAT activities were significantly decreased in lichen thalli under 45°C, however; GABA accumulation was approximately enhanced by 1.5-fold depending on the time exposure. GAD and GDH activities were significantly increased under high temperature conditions. Conclusions: The acclimilation of P. furfuracea to high temperatures may be related to the increase in GAD and GDH activities. Our findings provided evidence that the GABA shunt could help lichen P. furfuracea to acclimate to high temperatures.


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APA

Gören Sağlam, N., Albayrak, F.Ö., & Ünal, D. (2022). The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea. European Journal of Biology, 81(2), 184-189. https://doi.org/10.26650/EurJBiol.2022.1155582


AMA

Gören Sağlam N, Albayrak F Ö, Ünal D. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea. European Journal of Biology. 2022;81(2):184-189. https://doi.org/10.26650/EurJBiol.2022.1155582


ABNT

Gören Sağlam, N.; Albayrak, F.Ö.; Ünal, D. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea. European Journal of Biology, [Publisher Location], v. 81, n. 2, p. 184-189, 2022.


Chicago: Author-Date Style

Gören Sağlam, Nihal, and Fazilet Özlem Albayrak and Dilek Ünal. 2022. “The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea.” European Journal of Biology 81, no. 2: 184-189. https://doi.org/10.26650/EurJBiol.2022.1155582


Chicago: Humanities Style

Gören Sağlam, Nihal, and Fazilet Özlem Albayrak and Dilek Ünal. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea.” European Journal of Biology 81, no. 2 (Mar. 2024): 184-189. https://doi.org/10.26650/EurJBiol.2022.1155582


Harvard: Australian Style

Gören Sağlam, N & Albayrak, FÖ & Ünal, D 2022, 'The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea', European Journal of Biology, vol. 81, no. 2, pp. 184-189, viewed 5 Mar. 2024, https://doi.org/10.26650/EurJBiol.2022.1155582


Harvard: Author-Date Style

Gören Sağlam, N. and Albayrak, F.Ö. and Ünal, D. (2022) ‘The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea’, European Journal of Biology, 81(2), pp. 184-189. https://doi.org/10.26650/EurJBiol.2022.1155582 (5 Mar. 2024).


MLA

Gören Sağlam, Nihal, and Fazilet Özlem Albayrak and Dilek Ünal. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea.” European Journal of Biology, vol. 81, no. 2, 2022, pp. 184-189. [Database Container], https://doi.org/10.26650/EurJBiol.2022.1155582


Vancouver

Gören Sağlam N, Albayrak FÖ, Ünal D. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea. European Journal of Biology [Internet]. 5 Mar. 2024 [cited 5 Mar. 2024];81(2):184-189. Available from: https://doi.org/10.26650/EurJBiol.2022.1155582 doi: 10.26650/EurJBiol.2022.1155582


ISNAD

Gören Sağlam, Nihal - Albayrak, FaziletÖzlem - Ünal, Dilek. The Role of Gamma-Amino Butyric Acid in Short-Term High Temperature Acclimation in Lichen Pseudevernia furfuracea”. European Journal of Biology 81/2 (Mar. 2024): 184-189. https://doi.org/10.26650/EurJBiol.2022.1155582



TIMELINE


Submitted04.08.2022
Accepted18.10.2022
Published Online30.12.2022

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