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Excessive salt accumuln in soil is one of the most important abiotic stresses in agricultural environments. The Domain of Unknown Function 868 (DUF868) family, comprising 15 members in rice, has been identified in the protein family database. In this study, we cloned and functionally characterized , a member of the OsDUF868 family, to elucidate its role in rice response to salt stress. A series of experiments, including RT-qPCR, Agrobacterium-mediated transient transformation in tobacco for localization analysis, phenotypic characterization, physiological and biochemical index measurement, and leaf staining, were conducted to investigate the function of under salt stress. Transcriptional analysis revealed that exhibited the most significant response to low temperature and salt stress. Preliminary subcellular localization studies indicated that is localized in the cell membrane. Phenotypic Identification Experiments showed Overexpression lines of enhanced resistance to salt stress and increased survival rates, while knockout lines of were opposite. Physiological and biochemical assessments, along with leaf staining, demonstrated that overexpression of improved the activity against oxidative stress.under salt stress. Furthermore, overexpression of elevated the transcription levels of positively regulated salt stress-related genes. These findings suggest that overexpression of enhances rice tolerance to salt stress at the molecular level through a series of regulatory mechanisms. This study provides valuable insights into the functional roles of the DUF868 family in plant responses to abiotic stress.
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http://dx.doi.org/10.3389/fpls.2025.1458467 | DOI Listing |
BMC Plant Biol
March 2025
College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China.
Background: Salt stress is considered to be one of the major abiotic stresses influencing rice growth and productivity. To improve rice crop productivity in saline soils, it is essential to choose a suitable variety for mitigating salt stress and gain a deep understanding of the underlying mechanisms. The current study explored the salt tolerance mechanism of wild rice 'HD96-1 (salt resistive)' and conventional rice 'IR29 (salt sensitive)' by evaluating morph-physiological, transcriptomic, and metabolomic approaches.
View Article and Find Full Text PDFSci Rep
March 2025
Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand.
Agricultural waste (AW) presents significant environmental challenges if not effectively managed. Recycling AW as bio-organic fertilizers (BIOs) offers a sustainable solution, improving soil health, reducing dependence on chemical fertilizers, and stimulating crop growth. This study investigated the effectiveness of BIOs generated from AW composted with plant growth-promoting rhizobacteria (PGPR), including Enterobacter sp.
View Article and Find Full Text PDFPlant Sci
March 2025
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory for Agro-Environment and Agro-Product Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning 530004, Guangxi, China. Electronic address:
Expansin (EXP) is an intrinsic regulator of plant cell expansion, and have been shown to play a role in each stages of plant growth and development. But has not yet been fully studied in mango. In this experiment, two pairs of homologous genes MiEXPA1s and MiEXPA4s were firstly excavated from mango genome.
View Article and Find Full Text PDFPlant Physiol Biochem
March 2025
Institute of Plant Breeding, Genetics and Genomics, University of Georgia, Griffin, USA, 30223; Department of Crop and Soil Sciences, University of Georgia, Griffin, USA, 30223. Electronic address:
Finger millet (Eleusine coracana Gaertn L.) is an underutilized but nutritionally rich climate resilient food crop that is generally cultivated on marginal lands. Soil salinization is a major abiotic stress that leads to a reduction in growth and yield by affecting various physiological and metabolic processes in plants.
View Article and Find Full Text PDFBMC Plant Biol
March 2025
Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China.
Isatidis Folium, derived from the dried leaves of Isatis indigotica Fort., has been used for centuries as a traditional Chinese herb with antibacterial and antiviral properties. However, heterogeneity in cultivation conditions and climatic variations poses challenges to accurately and effectively evaluate its quality.
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