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Light is essential for photosynthesis; however, excess light can increase the accumulation of photoinhibitory reactive oxygen species that reduce photosynthetic efficiency. Plants have evolved photoprotective non-photochemical quenching (NPQ) pathways to dissipate excess light energy. In tobacco and soybean (C plants), overexpression of three NPQ genes, e ( V DE), ( P sbS), and ( Z EP), hereafter VPZ, resulted in faster NPQ induction and relaxation kinetics, and increased crop yields in field conditions.
View Article and Find Full Text PDFHigher PEPC activity and vein density contribute to improve cotton leaf water use efficiency under water stress.
Plant Biol (Stuttg)
January 2025
Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, China.
Plants with the C photosynthetic pathway can withstand water stress better than plants with C metabolism. However, it is unclear whether C photosynthesis can be preliminarily activated in droughted cotton leaves, and if this contributes to increase in water use efficiency (WUE). An upland cotton (Gossypium hirsutum L.
View Article and Find Full Text PDFGenetically-modified activation strategy facilitates the discovery of sesquiterpene-derived metabolites from .
Synth Syst Biotechnol
June 2025
Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China.
Genome mining has revealed that spp. possess numerous down-regulated or cryptic biosynthetic gene clusters (BGCs). This finding hinted that our investigation of fungal secondary metabolomes is limited.
View Article and Find Full Text PDFMore π, please: What drives the formation of unsaturated molecules in the interstellar medium?
Chem Sci
January 2025
Instituto de Química, Universidad de Antioquia Calle 70 No. 52-21 Medellín 050010 Colombia
We present a computational investigation into the fragmentation pathways of ethanolamine (CHNO, EtA), propanol (CHO, PrO), butanenitrile (CHN, BuN), and glycolamide (CHNO, GlA)-saturated organic molecules detected in the interstellar medium (ISM), particularly in the molecular cloud complex Sagittarius B2 (Sgr B2) and its molecular cloud G+0.693-0.027.
View Article and Find Full Text PDFTotal Synthesis of Kasugamycin.
Org Lett
January 2025
Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China.
We present an efficient synthetic pathway for kasugamycin, an aminoglycoside antibiotic, utilizing naturally derived carbohydrates as starting materials. This synthesis effectively addresses stereochemical complexities by employing the selective reduction of d-fucal, which generates a crucial 3-deoxyglycal intermediate. This intermediate facilitates the introduction of amino groups at the C-2 and C-4 positions, which is essential for the synthesis of kasugamine.
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