Evidence map›Paper›PMID 40504478›Full record

ArticlePhotochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology2025

Investigating the Role of GABA (gamma-aminobutyric acid) in Mitigating UV-C Light Exposure on Pseudochlorella pringsheimii Microalgae.

Pooja Bhatnagar, Prateek Gururani, Manisha Nanda, Pankaj Gautam, Mikhail S Vlaskin, Krishna Kumar Jaiswal, Vinod Kumar

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Article in Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Pooja BhatnagarAlgal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India.
Prateek GururaniDepartment of Biotechnology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India.
Manisha NandaDepartment of Microbiology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India.
Pankaj GautamDepartment of Microbiology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India.
Mikhail S VlaskinJoint Institute for High Temperatures of the Russian Academy of Sciences, Moscow, 117198, Russian Federation.
Krishna Kumar JaiswalBioprocess Engineering Laboratory, Department of Green Energy Technology, Pondicherry University, Puducherry, 605014, India.
Vinod KumarAlgal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India. kumarvinod.ls@geu.ac.in.ORCID http://orcid.org/0000-0003-1808-1980

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The study aimed to investigate the impact of GABA in overcoming ultraviolet (UV)-C light exposure for 15, 30, and 45 min on Pseudochlorella pringsheimii microalgae. UV-C exposure for 45 min is the most lethal to microalgae growth. Among different combinations, the maximum biomass (0.98 g/L), pigments (chl a- 4.36 µg/mL; chl b- 2.04 µg/mL; car- 2.03 µg/mL) and lipid content (23.10%) was observed under treatment with UV-C for 15 min coupled with 2.5 mM GABA, whereas, the control groups attained 0.76 g/L of biomass, 3.45, 1.49, and 1.63 µg/mL of chl a, chl b, and car and 21.73% of lipid content. However, a decrease in biomass, lipid and pigment content was found under treatment with UV-C (no GABA). The carbohydrate content was observed to be maximum (43.88%) in microalgae cells treated with UV-C, whereas the protein content was lower in both the treatments i.e., 20.02% under UV-C and 23.46% under UV-C + GABA, as compared with that of control (33.09%). Therefore, the current study might be a new approach for enhancing the production of essential components in microalga under exposure to stress conditions.

Indexed as

gamma-Aminobutyric AcidMicroalgaeUltraviolet RaysBiomassgamma-Aminobutyric AcidBioactive compoundsBiomassGABAPseudochlorella pringsheimiiUV-C

Identifiers

PMID40504478

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