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      Effects of abscisic acid on growth and selenium uptake in medicinal plant Perilla frutescens

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      Journal: PLoS ONE
      Publisher: Public Library of Science

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          Abstract

          The aim of the present study was to explore the effects of abscisic acid (ABA) on growth and selenium (Se) absorption of the medicinal plant, Perilla frutescens. A pot experiment was conducted to evaluate the effects of different ABA concentrations (0, 1, 5, 10 and 20 μmol/L) on the physiological characteristics and Se absorption capacity of P. frutescens. Application of 5, 10 and 20 μmol/L ABA increased the shoot biomass of P. frutescens, and only 5 and 10 μmol/L ABA increased the root biomass. Application of 5, 10, and 20 μmol/L ABA increased the contents of photosynthetic pigments (chlorophyll a, chlorophyll b, total chlorophyll, and carotenoid), superoxide dismutase activity, peroxidase activity, and soluble protein content of P. frutescens, and decreased the malondialdehyde content in P. frutescens. Only 5 and 10 μmol/L ABA used in the present study increased the catalase activity of P. frutescens. For the Se uptake, only 5 μmol/L ABA increased the Se content, Se extraction and Se bioconcentration factor of both roots and shoots. The findings of the present study indicate that 5 and 10 μmol/L ABA promotes the growth of P. frutescens, whereas 5 μmol/L ABA enhances the Se accumulation capacity in P. frutescens.

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          The effect of drought and ultraviolet radiation on growth and stress markers in pea and wheat

          V Alexieva, I. Sergiev, S Mapelli … (2001)
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            Abscisic Acid and Abiotic Stress Tolerance in Crop Plants

            Saroj Sah, Kambham R. Reddy, Jiaxu Li (2016)
            Abiotic stress is a primary threat to fulfill the demand of agricultural production to feed the world in coming decades. Plants reduce growth and development process during stress conditions, which ultimately affect the yield. In stress conditions, plants develop various stress mechanism to face the magnitude of stress challenges, although that is not enough to protect them. Therefore, many strategies have been used to produce abiotic stress tolerance crop plants, among them, abscisic acid (ABA) phytohormone engineering could be one of the methods of choice. ABA is an isoprenoid phytohormone, which regulates various physiological processes ranging from stomatal opening to protein storage and provides adaptation to many stresses like drought, salt, and cold stresses. ABA is also called an important messenger that acts as the signaling mediator for regulating the adaptive response of plants to different environmental stress conditions. In this review, we will discuss the role of ABA in response to abiotic stress at the molecular level and ABA signaling. The review also deals with the effect of ABA in respect to gene expression.
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              Review of selenium toxicity in the aquatic food chain.

              Steven Hamilton (2004)
              In many environmental contaminant situations selenium has become the primary element of concern because of its bioaccumulative nature in food webs. Initial concerns about selenium were related to fish kills at Belews Lake, NC, Martin Lake, TX, and Kesterson Reservoir, CA, and to bird deformities at Kesterson Reservoir. Additional concerns were identified under the National Irrigation Water Quality Program at Salton Sea, CA, Kendrick, WY, Stewart Lake, UT, and Grand Valley and Uncompahgre Valley, CO. Recent studies have raised concerns about selenium impacts on aquatic resources in Southeastern Idaho and British Columbia. The growing discomfort among the scientific community with a waterborne criterion has lead the US Environment Protection Agency to consider a tissue-based criterion for selenium. Some aquatic ecosystems have been slow to recover from selenium contamination episodes. In recent years, non-governmental researchers have been proposing relatively high selenium thresholds in diet and tissue relative to those proposed by governmental researchers. This difference in opinions is due in part to the selection of datasets and caveats in selecting scientific literature. In spite of the growing selenium literature, there are needs for additional research on neglected organisms. This review also discusses the interaction of selenium with other elements, inconsistent effects of selenium on survival and growth of fish, and differences in depuration rates and sensitivity among species. Copryright 2004 Elsevier B.V.
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                Author and article information

                Contributors
                Renyan Liao:
                ORCID: https://orcid.org/0000-0001-7136-7385
                Role: ConceptualizationRole: Data curationRole: InvestigationRole: SupervisionRole: Writing – original draftRole: Writing – review & editing
                Mayank Gururani: Role: Editor
                Journal
                Journal ID (nlm-ta): PLoS One
                Journal ID (iso-abbrev): PLoS One
                Journal ID (publisher-id): plos
                Title: PLoS ONE
                Publisher: Public Library of Science (San Francisco, CA USA )
                ISSN (Electronic): 1932-6203
                Publication date (Electronic): 7 October 2022
                Publication date Collection: 2022
                Volume: 17
                Issue: 10
                Electronic Location Identifier: e0275813
                Affiliations
                [001] College of Traditional Chinese Medicine and Rehabilitation, Ya’an Polytechnic College, Ya’an, Sichuan, China
                United Arab Emirates University, UNITED ARAB EMIRATES
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Author information
                https://orcid.org/0000-0001-7136-7385
                Article
                Publisher ID: PONE-D-22-20189
                DOI: 10.1371/journal.pone.0275813
                PMC ID: 9543941
                PubMed ID: 36206244
                SO-VID: 4466a865-8bdd-43c4-abd5-64dd52aaad87
                Copyright © © 2022 Renyan Liao
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                Date received : 18 July 2022
                Date accepted : 24 September 2022
                Page count
                Figures: 0, Tables: 7, Pages: 12
                Funding
                The author(s) received no specific funding for this work.
                Categories
                Subject: Research Article
                Subject: Biology and Life Sciences
                Subject: Cell Biology
                Subject: Cellular Structures and Organelles
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Cell Biology
                Subject: Plant Cell Biology
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Plant Science
                Subject: Plant Cell Biology
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Cell Biology
                Subject: Cellular Types
                Subject: Plant Cells
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Cell Biology
                Subject: Plant Cell Biology
                Subject: Plant Cells
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Plant Science
                Subject: Plant Cell Biology
                Subject: Plant Cells
                Subject: Chloroplasts
                Subject: Chlorophyll
                Subject: Physical Sciences
                Subject: Materials Science
                Subject: Materials
                Subject: Pigments
                Subject: Organic Pigments
                Subject: Chlorophyll
                Subject: Biology and Life Sciences
                Subject: Plant Science
                Subject: Plant Anatomy
                Subject: Leaves
                Subject: Research and Analysis Methods
                Subject: Mathematical and Statistical Techniques
                Subject: Statistical Methods
                Subject: Analysis of Variance
                Subject: Physical Sciences
                Subject: Mathematics
                Subject: Statistics
                Subject: Statistical Methods
                Subject: Analysis of Variance
                Subject: Biology and Life Sciences
                Subject: Biochemistry
                Subject: Enzymology
                Subject: Enzymes
                Subject: Dismutases
                Subject: Superoxide Dismutase
                Subject: Biology and Life Sciences
                Subject: Biochemistry
                Subject: Proteins
                Subject: Enzymes
                Subject: Dismutases
                Subject: Superoxide Dismutase
                Subject: Physical Sciences
                Subject: Materials Science
                Subject: Materials
                Subject: Pigments
                Subject: Biology and Life Sciences
                Subject: Biochemistry
                Subject: Antioxidants
                Subject: Physical Sciences
                Subject: Materials Science
                Subject: Materials
                Subject: Pigments
                Subject: Organic Pigments
                Subject: Carotenoids
                Subject: Physical Sciences
                Subject: Chemistry
                Subject: Chemical Elements
                Subject: Cadmium
                Custom metadata
                Data Availability All relevant data are within the paper and its Supporting information files.

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