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#1Lauren Nicol (VU: VU University Amsterdam)
#2Wojciech Nawrocki (VU: VU University Amsterdam)H-Index: 3
Last.Roberta Croce (VU: VU University Amsterdam)H-Index: 35
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In nature, plants experience large fluctuations in light intensity and they need to balance the absorption and utilization of this energy appropriately. Non-photochemical quenching (NPQ) is a rapidly switchable mechanism that protects plants from photodamage caused by high light exposure by dissipating the excess absorbed energy as heat. It is triggered by the pH gradient across the thylakoid membrane and requires the protein PsbS and the xanthophyll zeaxanthin. However, the site and mechanism o...
#1Feng Gao (CAS: Chinese Academy of Sciences)H-Index: 68
#2Bo-Sen Zhang (CAS: Chinese Academy of Sciences)
Last.Hui-Shan Guo (CAS: Chinese Academy of Sciences)H-Index: 27
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Soil-borne fungal pathogens that cause crop disease are major threats to agriculture worldwide. Here, we identified a secretory polysaccharide deacetylase (PDA1) from the soil-borne fungus Verticillium dahliae, the most notorious plant pathogen of the Verticillium genus, that facilitates virulence through direct deacetylation of chitin oligomers whose N-acetyl group contributes to host lysine motif (LysM)-containing receptor perception for ligand-triggered immunity. Polysaccharide deacetylases a...
#1James Breen (University of Adelaide)H-Index: 14
#2M. Timothy Rabanus-Wallace (Leibniz Association)
The ancient genome of a 3,000-year-old Egyptian emmer wheat sheds light on the domestication and dispersal history of emmer wheat as well as the unique diversity that the historical species contained.
#1Juan He (CAS: Chinese Academy of Sciences)H-Index: 1
#2Qingwen Chen (CAS: Chinese Academy of Sciences)H-Index: 2
Last.Gang Wang (CAS: Chinese Academy of Sciences)H-Index: 20
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#1Lvqin Zheng (PKU: Peking University)H-Index: 2
#2Yanbing Li (PKU: Peking University)
Last.Ning Gao (PKU: Peking University)H-Index: 19
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Two large protein-cofactor complexes, photosystem I and photosystem II, are the central components of photosynthesis in the thylakoid membranes. Here, we report the 2.37-A structure of a tetrameric photosystem I complex from a heterocyst-forming cyanobacterium Anabaena sp. PCC 7120. Four photosystem I monomers, organized in a dimer of dimer, form two distinct interfaces that are largely mediated by specifically orientated polar lipids, such as sulfoquinovosyl diacylglycerol. The structure depict...
#1Jing ZhangH-Index: 7
#2Gugan Eswaran (UH: University of Helsinki)H-Index: 1
Last.Yrjö HelariuttaH-Index: 5
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Vascular cambium, a lateral plant meristem, is a central producer of woody biomass. Although a few transcription factors have been shown to regulate cambial activity1, the phenotypes of the corresponding loss-of-function mutants are relatively modest, highlighting our limited understanding of the underlying transcriptional regulation. Here, we use cambium cell-specific transcript profiling followed by a combination of transcription factor network and genetic analyses to identify 62 new transcrip...
#1Ruben Vanholme (UGent: Ghent University)H-Index: 21
#2Lisa Sundin (UGent: Ghent University)H-Index: 3
Last.Wout Boerjan (UGent: Ghent University)H-Index: 67
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Coumarins, also known as 1,2-benzopyrones, comprise a large class of secondary metabolites that are ubiquitously found throughout the plant kingdom. In many plant species, coumarins are particularly important for iron acquisition and plant defence. Here, we show that COUMARIN SYNTHASE (COSY) is a key enzyme in the biosynthesis of coumarins. Arabidopsis thaliana cosy mutants have strongly reduced levels of coumarin and accumulate o-hydroxyphenylpropanoids instead. Accordingly, cosy mutants have r...
#1Fernando Muzzopappa (Université Paris-Saclay)H-Index: 2
#2Adjélé Wilson (Université Paris-Saclay)H-Index: 2
Last.Diana Kirilovsky (Université Paris-Saclay)H-Index: 7
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The photoactive orange carotenoid protein (OCP) is a blue-light intensity sensor involved in cyanobacterial photoprotection. Three OCP families co-exist (OCPX, OCP1 and OCP2), having originated from the fusion of ancestral domain genes. Here, we report the characterization of an OCPX and the evolutionary characterization of OCP paralogues focusing on the role of the linker connecting the domains. The addition of the linker with specific amino acids enabled the photocycle of the OCP ancestor. OCP...
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