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| http://dx.doi.org/10.1104/pp.19.00364 | DOI Listing |
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Biofortifying multiple micronutrients and decreasing arsenic accumulation in rice grain simultaneously by expressing a mutant allele of OAS-TL gene.
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December 2024
State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
Article Synopsis
- Rice grains often have high arsenic levels and low essential nutrients, which can impact human health and nutrition.
- Researchers created genetically modified rice that expresses a mutant gene (astol1) to boost cysteine production and reduce arsenic accumulation.
- This modified rice showed increased essential nutrient levels and improved arsenic tolerance, suggesting a promising approach to both enhance nutrition and decrease toxicity in rice.
A chloroplast sulphate transporter modulates glutathione-mediated redox cycling to regulate cell division.
Plant Cell Environ
December 2024
Biotechnology Center in Southern Taiwan, Academia Sinica, Tainan, Taiwan.
Glutathione redox cycling is important for cell cycle regulation, but its mechanisms are not well understood. We previously identified a small-sized mutant, suppressor of mat3 15-1 (smt15-1) that has elevated cellular glutathione. Here, we demonstrated that SMT15 is a chloroplast sulphate transporter.
View Article and Find Full Text PDFIn Silico RNAseq and Biochemical Analyses of Glucose-6-Phosphate Dehydrogenase (G6PDH) from Sweet Pepper Fruits: Involvement of Nitric Oxide (NO) in Ripening and Modulation.
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Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Stress, Development and Signaling in Plants, Estación Experimental del Zaidín (Spanish National Research Council, CSIC), C/Profesor Albareda, 1, 18008 Granada, Spain.
Pepper ( L.) fruit is a horticultural product consumed worldwide which has great nutritional and economic relevance. Besides the phenotypical changes that pepper fruit undergo during ripening, there are many associated modifications at transcriptomic, proteomic, biochemical, and metabolic levels.
View Article and Find Full Text PDFAutophagy and multivesicular body pathways cooperate to protect sulfur assimilation and chloroplast functions.
Plant Physiol
May 2023
College of Life Sciences, China Jiliang University, Hangzhou 310018, China.
Autophagy and multivesicular bodies (MVBs) represent 2 closely related lysosomal/vacuolar degradation pathways. In Arabidopsis (Arabidopsis thaliana), autophagy is stress-induced, with deficiency in autophagy causing strong defects in stress responses but limited effects on growth. LYST-INTERACTING PROTEIN 5 (LIP5) is a key regulator of stress-induced MVB biogenesis, and mutation of LIP5 also strongly compromises stress responses with little effect on growth in Arabidopsis.
View Article and Find Full Text PDFRoles of plastid-located phosphate transporters in carotenoid accumulation.
Front Plant Sci
December 2022
The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China.
Article Synopsis
- Enhanced carotenoid accumulation in plants is important for human nutrition, and manipulation of specific plastid phosphate transporter genes can boost this accumulation.
- The plastidic phosphate transporters PHT2 and PHT4 specifically influence carotenoid levels, with PHT4;2 in chromoplasts significantly affecting the availability of orthophosphate (Pi) needed for carotenoid biosynthesis.
- In contrast, manipulating chloroplast PHTs doesn't impact carotenoid accumulation because of the functional redundancy of multiple orthophosphate influx transporters in chloroplasts, keeping Pi levels stable.
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