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The precise control of free auxin (indole-3-acetic acid, IAA) gradient, which is orchestrated by biosynthesis, conjugation, degradation, hydrolyzation, and transport, is critical for all aspects of plant growth and development. Of these, the GRETCHEN HAGEN 3 (GH3) acyl acid amido synthetase family, pivotal in conjugating IAA with amino acids, has garnered significant interest. Recent advances in understanding GH3-dependent IAA conjugation have positioned GH3 functional elucidation as a hot topic of research. This review aims to consolidate and discuss recent findings on (i) the enzymatic mechanisms driving GH3 activity, (ii) the influence of chemical inhibitor on GH3 function, and (iii) the transcriptional regulation of GH3 and its impact on plant development and stress response. Additionally, we explore the distinct biological functions attributed to IAA-amino acid conjugates.
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http://dx.doi.org/10.3390/plants12244111 | DOI Listing |
Appl Biochem Biotechnol
September 2025
Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, 51452, Qassim, Saudi Arabia.
Viruses are minuscule entities that cannot survive independently without a Living host. Pathogenic viruses pose a significant threat to global health, resulting annually in the deaths of thousands of people. Recent studies indicate that medicinal plants may serve as an effective source of sustainable natural antiviral agents.
View Article and Find Full Text PDFPlant Cell Rep
September 2025
Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology, College of Agriculture, Yangzhou University, Yangzhou, 225009, China.
Plasma membrane Gγ protein MGG4, the candidate for maize yield QTL, positively regulates seed size mainly through affecting kernel width.
View Article and Find Full Text PDFMycorrhiza
September 2025
Department of Microbiology, College of Resources, Sichuan Agricultural University, Chengdu, 611130, China.
Ectomycorrhizal fungi (EMF) colonize roots to establish symbiotic associations with plants. Sporocarps of the EMF Tuber spp. are considered as a delicacy in numerous countries and is a kind of EMF of great economic and social importance.
View Article and Find Full Text PDFNaturwissenschaften
September 2025
Colorado Water Center, Colorado State University, Fort Collins, CO, 80523, USA.
Drought stress is the most vulnerable abiotic factor affecting plant growth and yield. The use of silicic acid as seed priming treatment is emerging as an effective approach to regulate maize plants susceptibility to water stress. The study was formulated for investigating the effect of silicic acid seed priming treatment in modulating the oxidative defense and key physio-biochemical attributes of maize plants under drought stress conditions.
View Article and Find Full Text PDFInt J Phytoremediation
September 2025
Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India.
The present study aimed to explore the potential of Indian mustard ( L.) for phytoremediation of soil contaminated with ciprofloxacin. The antibiotic ciprofloxacin was selected due to its rapidly increasing presence in soil.
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