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Multi-decadal tree-ring stable isotope records of apple and pear trees indicate coherent ecophysiological responses to environmental changes in alpine valleys.
Front Plant Sci
January 2025
Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, Italy.
The ecophysiological and ecohydrological impacts of climate change and progressively increasing atmospheric carbon dioxide (CO) concentration on agroecosystems are not well understood compared to the forest ecosystems. In this study, we utilized the presence of old apple and pear trees in the alpine valleys of Northern Italy (maintained for cultural heritage purposes) to investigate climate-scale physiological responses. We developed long-term tree-ring stable isotopic records (δC and δO) from apple (1976-2021) and pear trees (1943-2021).
View Article and Find Full Text PDFTrade-Offs Between Hydraulic Efficiency and Safety in Cotton ( L.) Stems Under Elevated CO and Salt Stress.
Plants (Basel)
January 2025
State Key Laboratory of Efficient Utilization of Agricultural Water Resources, Beijing 100083, China.
Plants respond to environmental changes by altering the anatomical structure of the xylem and its hydraulic properties. While numerous studies have explored the effects of individual environmental factors on crops, the combined interactions of these factors remain underexplored. As climate change intensifies, the occurrence of salt stress is becoming more frequent, alongside a rise in atmospheric CO concentration.
View Article and Find Full Text PDFPolyamines Interaction with Gaseous Signaling Molecules for Resilience Against Drought and Heat Stress in Plants.
Plants (Basel)
January 2025
Department of Botany, Aligarh Muslim University, Aligarh 202002, India.
Plants face a range of environmental stresses, such as heat and drought, that significantly reduce their growth, development, and yield. Plants have developed complex signaling networks to regulate physiological processes and improve their ability to withstand stress. The key regulators of plant stress responses include polyamines (PAs) and gaseous signaling molecules (GSM), such as hydrogen sulfide (HS), nitric oxide (NO), methane (CH), carbon monoxide (CO), carbon dioxide (CO), and ethylene (ET).
View Article and Find Full Text PDFAssessment of the Photosynthetic Response of Potato Plants Inoculated with and Treated with Flesh-Colored Potato Extracts Nanoencapsulated with Solid Lipid Nanoparticles.
Plants (Basel)
January 2025
Departamento de Ciencias Químicas y Recursos Naturales, Scientific and Technological Bioresource Nucleus BIOREN-UFRO, Universidad de La Frontera, Temuco 4811230, Chile.
Potato has great nutritional and economic importance in agriculture. However, represents a significant risk, reducing the yield and quality of potato production. Flesh-colored potato (FCP) extracts show in vitro inhibitory effects against , although environmental factors may reduce their stability.
View Article and Find Full Text PDFAdvances in the Structure, Function, and Regulatory Mechanism of Plant Plasma Membrane Intrinsic Proteins.
Genes (Basel)
December 2024
Guangdong Sugarcane Genetic Improvement Engineering Center, Institute of Nanfan & Seed Industry, Guangdong Academy of Sciences, Guangzhou 510316, China.
Plasma membrane intrinsic proteins (PIPs), as members of the aquaporin (AQPs) family, can transport not only water but also urea, CO, HO, metal ions, and trace elements. They are crucial for maintaining water balance, substance transport, and responding to various stresses. This article delves into the structure, function, response mechanism, molecular mechanism, and regulatory mechanism of PIPs as a result of biological and abiotic stresses.
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