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There is limited research on how the context in which moderate-to-vigorous physical activity (MVPA) occurs influences the relationship between physical activity and affect. https://www.selleckchem.com/products/wnt-c59-c59.html This study aimed to investigate how the social context and physical environment enhance the relationship between MVPA and affect in daily life. Overall, 119 adolescents (mean age = 14.7 years) provided information about their core affect, physical environment and social context on multiple occasions over a 4-day period using ecological momentary assessment. Additionally, participants' level of MVPA was objectively measured using accelerometers. Level of MVPA was positively associated with energetic arousal, being outdoors was positively associated with valence and energetic arousal, and being with someone else was also positively associated with energetic arousal. Additionally, being outdoors moderated the association between MVPA and tense arousal so that MVPA was only inversely related to tense arousal when outdoors. These findings showed that young people experience more positive valence, greater levels of energetic arousal and less tense arousal when physically active outdoors compared to when indoors and highlight the importance of encouraging young people to participate in physical activity outdoors. Further research is warranted to understand how social contexts may influence the association between MVPA and affect in young people. We reported that DGS1 plays a positive role in regulating grain size in rice and was regulated by OsBZR1. Grain size is an important agronomic trait that contributes to grain yield. However, the underlying molecular mechanisms that determine final grain size are still largely unknown. We isolated a rice mutant showing reduced grain size in a Co-irradiated variety Nanjing 35 population. We named the mutant decreased grain size1 (dgs1). Map-based cloning and subsequent transgenic CRISPR and complementation assays indicated that a mutation had occurred in LOC_Os03g49900 and that the DGS1 allele regulated grain size. DGS1 encodes a protein with a 7-transmembrane domain and C3HC4 type RING domain. It was widely expressed, especially in young tissues. DGS1 is a membrane-located protein. OsBZR1 (BRASSINAZOLE-RESISTANT1), a core transcription activator of BR signaling, also plays a positive role in grain size. We provided preliminary evidence that OsBZR1 can bind to the DGS1 promoter to activate expression of DGSS1. The relative position of domains is critical for enzymatic properties of tau class glutathione S-transferases, and altering the position of linker far away from the active center affects catalytic property. Glutathione S-transferases (GSTs) are a family of phase II detoxification enzymes whose main function is to improve plant resistance to stresses. To understand the structural effects of tau class GSTs on their function, using OsGSTU17 as an example, we predicted the residues involved in the interactions between its domains and linker region. We further detected the structural changes in mutants and the corresponding changes in terms of substrate activity and kinetic parameters. Four pairs of residues, including Ala14 and Trp165, Arg20 and Tyr154, Glu74 and Arg98, Asp77 and Met87, forming hydrogen bonds and salt bridges were found to play important roles in maintaining the relative position between the domains and linker region inside the protein. The hydrogen bond between Trp165 and Ala14 affected the sthe mutant R20A lost almost all catalytic activity. Interestingly, the mutant E74A exhibited a significant decrease in activity towards 7-chloro-4-nitrobenzo-2-oxa-1, 3-diazole, 1-chloro-2, 4-dinitrobenzene and 4-nitrobenzyl chloride, while its activity towards substrate cumene hydroperoxide remained unchanged. Compared with other mutants, the mutant D77A exhibited decreased affinity to its substrates and increased activity towards 1-chloro-2, 4-dinitrobenzene and cumene hydroperoxide, but its thermodynamic stability did not change significantly. The relative position of individual domain was critical for enzymatic properties, and the linker which is far away from the active site could change the enzymatic properties of GSTs via altering the relative position of the individual domain. Our results provide insights into the relationship between structure and function of tau class GSTs. This report shows detailed characterization of LOX gene family in sorghum and provides new insight of sorghum LOX genes in genetic structure and their roles in plant response to infestation by sugarcane aphids. Lipoxygenases (LOXs) are monomeric, nonheme iron-containing dioxygenases that initiate the fatty acid oxidation pathway creating oxylipins and plant hormone jasmonate both have a key role in plant development and defense. To date, a comprehensive and systematic analysis of sorghum LOXs is still deficient. Thus, we performed a genome-wide analysis of the sorghum LOXs genome and identified nine LOXs genes. Detailed examination of protein sequences and phylogenetic analysis categorized the sorghum LOXs into two subclasses, 9-LOXs (SbLOX1, SbLOX3, SbLOX4, SbLOXm, and SbLOXo), 13-LOXs (SbLOX9, SbLOX5, and SbLOX2), and the unclassified SbLOX8. This classification was further supported by sequence similarity/identity matrix and subcellular localization analysis. The lipoxygenase domains, motifs, and vital asistance and defense responses to other stresses.Pigeon pea protein isolates (PPI) are an option to obtain a high yield of good quality proteins and represent a great potential for the food industry. In this work, physicochemical and structural properties of albumin (ALB), globulin (GLB), and PPI obtained at different pHs (8, 9, 10, and 11) were studied to deepen the knowledge of these proteins for future application. GLB presented protein aggregates and polypeptides characteristics of 7S vicilin subunits while ALB presented polypeptides with low molecular masses. GLB showed a more compact and less flexible structure than ALB fraction due to the distinct conformational characteristics found in DSC, fluorescence spectroscopy, Ho. These structural characteristics conferred GLB greater conformational stability (∆GH2O) than ALB fraction. The latter presented a higher proportion of β-strand in aggregated structures. PPI11 showed the highest protein recovery, but the least So with more presence of protein aggregates with the least proportion of β-strands in aggregated structures.
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