Climate Change's Impact on Agricultural Food Production

Gosai, Hardik Giri; Sharma, Asha; Mankodi, Pradeep

doi:10.1007/978-3-031-57283-8_8

Food Security in a Developing World 2024

DOI: 10.1007/978-3-031-57283-8_8

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Climate Change's Impact on Agricultural Food Production

Hardik Giri Gosai,

Asha Sharma,

Pradeep Mankodi

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2024

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Cited by 2 publications

References 85 publications

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Transcriptomic Insights into Salt Stress Response in Two Pepper Species: The Role of MAPK and Plant Hormone Signaling Pathways

Farooq,

Zeeshan Ul Haq,

Zhang

et al. 2024

IJMS

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Salt stress imposes significant plant limitations, altering their molecular, physiological, and biochemical functions. Pepper, a valuable herbaceous plant species of the Solanaceae family, is particularly susceptible to salt stress. This study aimed to elucidate the physiological and molecular mechanisms that contribute to the development of salt tolerance in two pepper species (Capsicum baccatum (moderate salt tolerant) and Capsicum chinense (salt sensitive)) through a transcriptome and weighted gene co-expression network analysis (WGCNA) approach to provide detailed insights. A continuous increase in malondialdehyde (MDA) and hydrogen peroxide (H2O2) levels in C. chinense and higher activities of catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD) in C. baccatum indicated more tissue damage in C. chinense than in C. baccatum. In transcriptome analysis, we identified 39 DEGs related to salt stress. Meanwhile, KEGG pathway analysis revealed enrichment of MAPK and hormone signaling pathways, with six DEGs each. Through WGCNA, the ME.red module was identified as positively correlated. Moreover, 10 genes, A-ARR (CQW23_24856), CHIb (CQW23_04881), ERF1b (CQW23_08898), PP2C (CQW23_15893), ABI5 (CQW23_29948), P450 (CQW23_16085), Aldedh1 (CQW23_06433), GDA (CQW23_12764), Aldedh2 (CQW23_14182), and Aldedh3 (CQW23_11481), were validated by qRT-PCR. This study provides valuable insights into the genetic mechanisms underlying salt stress tolerance in pepper. It offers potential targets for future breeding efforts to enhance salt stress resilience in this crop.

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Transcriptomic Insights into Salt Stress Response in Two Pepper Species: The Role of MAPK and Plant Hormone Signaling Pathways

Farooq,

Zeeshan Ul Haq,

Zhang

et al. 2024

IJMS

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Foliar Application of Ascorbic Acid and Green-Synthesized Nano Iron for Enhancing Drought Tolerance and Antioxidant Defense in Common Beans

Yılmaz

2024

Black Sea Journal of Agriculture

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This study evaluated the effects of foliar-applied iron nanoparticles (FeNPs, 100 mg L⁻¹) and ascorbic acid (AsA, 400 mg L⁻¹) on the growth, photosynthetic pigments, and antioxidant defense mechanisms of common beans under optimal (100% FC) and water-restricted (50% FC) conditions. Under drought stress, both FeNPs and AsA significantly alleviated the negative impacts of water deficit, improving plant height, chlorophyll content, and carotenoid accumulation. FeNPs increased chlorophyll a by 60% and carotenoid content by 83.5%, while AsA enhanced APX activity by 44.8%, demonstrating its role in reducing oxidative stress. Additionally, FeNPs boosted CAT and SOD activities by 198.2% and 17.3%, respectively. These treatments also significantly reduced MDA levels, with FeNPs-treated plants showing a 54.7% reduction compared to the control, indicating lower oxidative damage. This study is the first to use green-synthesized FeNPs in the context of global climate change, highlighting their potential in enhancing drought tolerance. Future research should explore the long-term effects of nanomaterials on human health and environmental safety.

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Climate Change's Impact on Agricultural Food Production

Cited by 2 publications

References 85 publications

Transcriptomic Insights into Salt Stress Response in Two Pepper Species: The Role of MAPK and Plant Hormone Signaling Pathways

Transcriptomic Insights into Salt Stress Response in Two Pepper Species: The Role of MAPK and Plant Hormone Signaling Pathways

Foliar Application of Ascorbic Acid and Green-Synthesized Nano Iron for Enhancing Drought Tolerance and Antioxidant Defense in Common Beans

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