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DET1 modulates ATAF1-repressed thermosensory elongation through ubiquitination in Arabidopsis.
Plant Cell Rep
December 2024
Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Department of Agriculture Forestry and Food Engineering, Yibin University, Yibin, China.
The Arabidopsis transcription factor ATAF1 negatively regulates thermomorphogenesis by inhibiting the expression of key genes involved in thermoresponsive elongation. DET1-mediated ubiquitination promotes ATAF1 degradation. In response to warmer, non-stressful average temperatures, plants have evolved an adaptive morphologic response called thermomorphogenesis to increase their fitness.
View Article and Find Full Text PDFCompositional engineering of phase-stable and highly efficient deep-red emitting phosphor for advanced plant lighting systems.
Light Sci Appl
December 2024
College of Physics and Optoelectronic Engineering, Taiyuan University of Technology, Taiyuan, 030024, China.
Inorganic luminescent materials hold great promise for optoelectronic device applications, yet the limited efficiency and poor thermal stability of oxide-based deep-red emitting phosphors hinder the advancement of plant lighting technologies. Herein, a simple compositional engineering strategy is proposed to stabilize the phase, boost external quantum efficiency (EQE) and enhance thermal stability. The chemical modification of the PO tetrahedron in NaMgPO:Eu by incorporating SiO lowers the formation energy, leading to the generation of pure olivine phase and increasing the EQE from 27% to 52%, setting a record for oxide deep-red phosphors.
View Article and Find Full Text PDFAchieving Thermally Stable YAlGa(BO):Cr Near-Infrared Emitting Phosphors via Chemical Substitution for Plant Growth LEDs.
Inorg Chem
December 2024
Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, People's Republic of China.
Article Synopsis
- Increased interest in indoor plant cultivation is driven by the need for sustainable agriculture, with phosphor-converted LEDs (pc-LEDs) showing promise for plant growth regulation.
- The study introduces a new phosphor, YAlGa(BO):Cr, which achieves a better alignment for far-red phytochrome absorption due to chemical substitution, resulting in enhanced near-infrared (NIR) emissions.
- Experiments reveal that using NIR light from these specially designed pc-LEDs significantly boosts the growth of pea plants, improving root and stem lengths by 127% and 225%, respectively.
Natural variation in TaERF-A1 confers semi-dwarf and lodging-resistant plant architecture in wheat.
Plant Commun
November 2024
Frontiers Science Center for Molecular Design Breeding (MOE), Key Laboratory of Crop Heterosis and Utilization (MOE), China Agricultural University, Beijing 100193, China. Electronic address:
The introduction of Reduced height (Rht) genes into wheat varieties has been pivotal in developing semi-dwarf plant architectures, significantly improving lodging resistance and harvest indices. Therefore, identifying new Rht gene resources for breeding semi-dwarf wheat cultivars has been a key strategy for ensuring high and stable grain yields since the 1960s. In this study, we report the map-based cloning of TaERF-A1, which encodes an AP2/ERF (APETALA2/ethylene responsive factor) transcription factor that acts as a positive regulator of wheat stem elongation, as a novel gene that regulates plant height and spike length.
View Article and Find Full Text PDFExcess glucose inhibits the cotyledon greening of etiolated seedlings.
Plant Signal Behav
December 2024
School of Life Science, Nanjing Agricultural University, Nanjing, Jiangsu, People's Republic of China.
The capability of the transition from skotomorphogenesis-to-photomorphogenesis (de-etiolation) is requisite for seedling survival and development. However, how carbohydrate in germinating seeds controls seedling de-etiolation remains unclear. Mu et al.
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