Published: Jan. 1, 2025
Language: Английский
Journal of Integrative Plant Biology, Journal Year: 2023, Volume and Issue: 65(2), P. 496 - 525
Published: Jan. 14, 2023
Abstract With ongoing global climate change, water scarcity‐induced drought stress remains a major threat to agricultural productivity. Plants undergo series of physiological and morphological changes cope with stress, including stomatal closure reduce transpiration in root architecture optimize uptake. Combined phenotypic multi‐omics studies have recently identified number drought‐related genetic resources different crop species. The functional dissection these genes using molecular techniques has enriched our understanding responses crops provided targets for enhancing resistance drought. Here, we review recent advances the cloning analysis development technologies mitigate production.
Language: Английский
Citations
53
The Plant Genome, Journal Year: 2023, Volume and Issue: 17(1)
Published: Oct. 18, 2023
Abstract Drought stress leads to a significant amount of agricultural crop loss. Thus, with changing climatic conditions, it is important develop resilience measures in systems against drought stress. Roots play crucial role regulating plant development under In this review, we have summarized the studies on roots and root‐mediated responses. We also discussed importance root system architecture (RSA) various structural anatomical changes that undergoes increase survival productivity drought. Various genes, transcription factors, quantitative trait loci involved growth are discussed. A summarization instruments software can be used for high‐throughput phenotyping field provided review. More comprehensive required help build detailed understanding RSA associated traits breeding drought‐resilient cultivars.
Language: Английский
Citations
37
The Plant Journal, Journal Year: 2023, Volume and Issue: 114(2), P. 437 - 454
Published: Feb. 14, 2023
Drought is a major abiotic stress reducing maize (Zea mays) yield worldwide especially before and during silking. The mechanism underlying drought tolerance in the roles of different organs have not been elucidated. Hence, we conducted field trials under pre-silking conditions using two genotypes: FM985 (drought-tolerant) ZD958 (drought-sensitive). genotypes did differ plant height, grain number, control conditions. However, number per ear were 38.1 35.1% higher plants 17.6% shorter than More 13 C photosynthates transported to ZD958, which increased floret fertility number. differentially expressed genes was much stem other organs. Stem-ear interactions are key determinants tolerance, expression related abscisic acid, lignin, flavonoid biosynthesis carbon metabolism induced by drought, inhibited elongation promoted assimilate allocation FM985. In comparison with activities trehalose 6-phosphate phosphatase sucrose non-fermentation-associated kinase 1 lower kernel FM985, facilitated formation. These results reveal that, beyond response, involved whole process Abscisic acid together 6-phosphate, suppresses allocates assimilates into ear, providing novel systematic regulatory pathway for maize.
Language: Английский
Citations
36
Plants, Journal Year: 2023, Volume and Issue: 12(14), P. 2592 - 2592
Published: July 8, 2023
Recently, the use of nanofertilizers has received a great deal attention in managing plants under biotic and abiotic stresses. However, studies that elucidate role silicon dioxide nanoparticles (SiO2NPs) regulating maize tolerance to drought stress are still at early stages development. In this study, were treated with SiO2NPs (0.25 g/L as foliar spray) displayed considerable improvement growth indices, despite being subjected stress. addition, action led rise levels chlorophylls, proline, cell membrane integrity, leaf water content, antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT), guaiacol peroxidase (G-POX)). contrast, an inverse trend was seen oxidative injury, total amount soluble sugars, activity ascorbate (APX). At same time, carotenoids unaffected SiO2NPs-treated non-treated The results molecular investigation conducted using qRT-PCR showed relative expression D2 protein photosystem II (PsbD) elevated response stress, while osmotic-like (OSM-34) aquaporin (AQPs) downregulated This research could pave way for further investigations into how boost plant resistance
Language: Английский
Citations
31
Open Life Sciences, Journal Year: 2025, Volume and Issue: 20(1)
Published: Jan. 1, 2025
Drought is a major abiotic stress in restricting the growth, development, and yield of maize. As significant epigenetic regulator, small RNA also functions connecting transcriptional post-transcriptional regulatory network. Further to help comprehending molecular mechanisms underlying drought adaptability tolerance maize, an integrated multi-omics analysis transcriptome, sRNAome, degradome was performed on seedling roots elite hybrid Zhengdan958 under stress. In this study, 2,911 genes, 32 conserved miRNAs, 12 novel miRNAs showed significantly differential expression Moreover, 6,340 target genes 445 were validated using sequencing, forming 281 miRNA-mRNA pairs control (CK) drought-stressed (DS) library. These mainly involved plant hormone signal transduction phenylpropanoid biosynthesis pathways. The revealed that five DEmiRNA-mRNA displayed negatively correlated patterns, which verified by qRT-PCR. Tissue-specific profile network miR528a/b-Zm00001d021850, miR408a/b-Zm00001d020794, miR164e-Zm00001d003414 might be essential root-specific response maize seedlings. worthwhile will promote functional characterization modules stress, potentially contribute drought-resistance breeding
Language: Английский
Citations
1
Plants, Journal Year: 2023, Volume and Issue: 12(18), P. 3301 - 3301
Published: Sept. 18, 2023
Maize yield forecasting is important for the organisation of harvesting and storage, estimation commodity base provision country's feed food demand (export-import). To this end, a field experiment was conducted in dry (2021) extreme (2022) years to track development crop determine evolution relative chlorophyll content (SPAD) leaf area index (LAI) better estimation. The obtained results showed that SPAD LAI decreased significantly under drought stress, senescence had already started early vegetative stage. amount top dressing applied at V6 V12 phenophases did not increase due low rainfall. 120 kg N ha-1 fertiliser proved be optimal. suitability maize modelled by regression analysis. Results combined SPAD-LAI suitable prediction, correlation strongest VT stage (R2 = 0.762).
Language: Английский
Citations
21
Functional & Integrative Genomics, Journal Year: 2023, Volume and Issue: 23(4)
Published: Sept. 11, 2023
Language: Английский
Citations
18
BMC Plant Biology, Journal Year: 2024, Volume and Issue: 24(1)
Published: April 5, 2024
Abstract Background Molecular mechanisms in response to drought stress are important for the genetic improvement of maize. In our previous study, nine ZmLAZ1 members were identified maize genome, but function was largely unknown. Results The ZmLAZ1-3 gene cloned from B73, and its drought-tolerant elucidated by expression analysis transgenic Arabidopsis . upregulated different inbred lines. driving activity promoter induced related abiotic stress-responsive elements such as MYB, MBS, MYC. results subcellular localization indicated that protein localized on plasma membrane chloroplast. ectopic significantly reduced germination ratio root length, decreased biomass, relative water content, increased electrical conductivity malondialdehyde content under stress. Moreover, transcriptomics showed differentially expressed genes between lines wild-type mainly associated with biotic stimulus, pathways hormone signal transduction, phenylpropanoid biosynthesis, mitogen-activated kinase signaling, plant-pathogen interaction. Conclusion study suggests is a negative regulator regulating tolerance can be used improve via silencing or knockout.
Language: Английский
Citations
8
Molecular Biology Reports, Journal Year: 2024, Volume and Issue: 51(1)
Published: Feb. 19, 2024
Language: Английский
Citations
7
Plant Physiology and Biochemistry, Journal Year: 2024, Volume and Issue: 214, P. 108938 - 108938
Published: July 14, 2024
Language: Английский
Citations
7