The Metabolic Adaptations of Plants to Climate Change

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: closed (1 June 2021) | Viewed by 3403

Special Issue Editors


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Guest Editor
Pueblo, Chemistry Department, Colorado State University - Pueblo, 2200 Bonforte Blvd., Pueblo, CO 81001-4901, USA
Interests: plant metabolites; metabolic adaptations of plants to climate change and invasive species; plant–predator and pollinator reward dynamics; chemical ecology

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Guest Editor
Viticulture and Wine Department, Nelson Marlborough Institute of Technology, 85 Budge Street, Blenheim 7240, New Zealand
Interests: carbohydrate dynamics; plant hormones; bud dormancy

Special Issue Information

Dear Colleagues,

Plants, predators, and stressors impact the environmental health of an ecosystem by altering its metabolic and phenological attributes. Many of the stressors experienced by plants are driven by climate change. A plant’s ability to adapt to these stressors is limited to changes metabolically (rapid), phenotypically (mid), and migratorily (long). Plants may enact more than one response in an attempt to mitigate multiple stressors resulting in complex metabolic changes. Ultimately, for a plant species to succeed, its ability to adapt to the environment is critical.

Climate change presents a unique set of challenges to plants. These challenges range from temperature and climatic stressors, to changes in predation and invasive species. The plant’s first-line of defense is to metabolically address the oxidative stress; however, while secondary metabolite production may be appropriate for one stressor, the metabolites produced may not be appropriate for multiple stressors. An understanding of these interactions and mechanisms is essential to elucidating the impacts of climate change not only on plants, but also the larger ecological landscape.

In this Special Issue, we aim to present papers on plant adaptations to climate change, metabolic pathways activated within plants due to climate change, how shifts in metabolite production affect agricultural systems, plant metabolic implications for predators and pollinators, and plant adaptations to invasive species in a changing climate.

Dr. Kenneth J. Olejar
Dr. Stewart Field
Guest Editors

Manuscript Submission Information

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Keywords

  • abiotic stress
  • plant metabolic adaptations
  • oxidative stress
  • secondary metabolites
  • climate change
  • phytohormone
  • plant physiological phenomena

Published Papers (1 paper)

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Research

18 pages, 3334 KiB  
Article
Biochemical Responses and Leaf Gas Exchange of Fig (Ficus carica L.) to Water Stress, Short-Term Elevated CO2 Levels and Brassinolide Application
by Zulias Mardinata, Tengku Edy Sabli and Saripah Ulpah
Horticulturae 2021, 7(4), 73; https://doi.org/10.3390/horticulturae7040073 - 07 Apr 2021
Cited by 6 | Viewed by 2881
Abstract
The identification of the key components in the response to drought stress is fundamental to upgrading drought tolerance of plants. In this study, biochemical responses and leaf gas exchange characteristics of fig (Ficus carica L.) to water stress, short-term elevated CO2 [...] Read more.
The identification of the key components in the response to drought stress is fundamental to upgrading drought tolerance of plants. In this study, biochemical responses and leaf gas exchange characteristics of fig (Ficus carica L.) to water stress, short-term elevated CO2 levels and brassinolide application were evaluated. The ‘Improved Brown Turkey’ cultivar of fig was propagated from mature two- to three-year-old plants using cuttings, and transferred into a substrate containing 3:2:1 mixed soil (top soil: organic matters: sand). The experiment was arranged as a nested design with eight replications. To assess changes in leaf gas exchange and biochemical responses, these plants were subjected to two levels of water stress (well-watered and drought-stressed) and grown under ambient CO2 and 800 ppm CO2. Water deficits led to effects on photosynthetic rate, stomatal conductance, transpiration rate, vapour pressure deficit, water use efficiency (WUE), intercellular CO2, and intrinsic WUE, though often with effects only at ambient or elevated CO2. Some changes in content of chlorophyll, proline, starch, protein, malondialdehyde, soluble sugars, and activities of peroxidase and catalase were also noted but were dependent on CO2 level. Overall, fewer differences between well-watered and drought-stressed plants were evident at elevated CO2 than at ambient CO2. Under drought stress, elevated CO2 may have boosted physiological and metabolic activities through improved protein synthesis enabling maintenance of tissue water potential and activities of antioxidant enzymes, which reduced lipid peroxidation. Full article
(This article belongs to the Special Issue The Metabolic Adaptations of Plants to Climate Change)
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