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Long-day induced flowering requires DNA hypermethylation in orchardgrass.
J Exp Bot
January 2025
College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China.
Flowering, a pivotal plant lifecycle event, is intricately regulated by environmental and endogenous signals via genetic and epigenetic mechanisms. Photoperiod is a crucial environmental cue that induces flowering by activating integrators through genetic and epigenetic pathways. However, the specific role of DNA methylation, a conserved epigenetic marker, in photoperiodic flowering remains unclear.
View Article and Find Full Text PDFFunctional Responses of the Warehouse Pirate Bug (Reuter) (Hemiptera: Anthocoridae) on a Diet of (Pearman) (Psocodea: Liposcelididae).
Insects
January 2025
Department of Statistics, Oklahoma State University, 301 Mathematics, Statistics and Computer Sciences, Stillwater, OK 74078, USA.
Psocids are difficult to manage using grain protectants and phosphine hence research on non-chemical control methods. This study evaluated the effectiveness of (Reuter) (Hemiptera: Anthocoridae) at managing (Pearman) (Psocodea: Liposcelididae). The functional responses of adult♀ and nymphs of on a diet of nymphs, adult♂, and adult♀ of were determined under laboratory conditions at 28 ± 1 °C, 63 ± 5% RH, and a 0:24 (L:D) photoperiod.
View Article and Find Full Text PDFDaily Lipolysis Gene Expression in Male Rat Mesenteric Adipose Tissue: Obesity and Melatonin Effects.
Int J Mol Sci
January 2025
Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain.
Melatonin is involved in various functions such as the timing of circadian rhythms, energy metabolism, and body mass gain in experimental animals. However, its effects on adipose tissue lipid metabolism are still unclear. This study analyzes the effects of melatonin on the relative gene expression of lipolytic proteins in rat mesenteric adipose tissue and free fatty acid (FFA) and glycerol plasma levels of male Wistar rats fed a high-fat (HFD) or maintenance diet.
View Article and Find Full Text PDFDiverse alleles of Photoperiod-H1 directly and indirectly affect barley yield-related traits under contrasting photoperiods and PHYTOCHROME C backgrounds.
J Exp Bot
December 2024
Department of Agricultural and Forest Sciences and Engineering, University of Lleida-AGROTECNIO-CERCA Center, Av. Rovira Roure 191, 25198 Lleida, Spain.
Barley traits that determine grain number are established between jointing and flowering. The timing of flowering is critical for adaptation and yield as it affects the fertility of both the main shoot and tiller spikes. The Photoperiod-H1 (PPD-H1) gene controls flowering time and impacts spike fertility and yield in barley; however, it is not known if these effects are truly pleiotropic or indirect.
View Article and Find Full Text PDFBRASSINAZOLE RESISTANT 1 delays photoperiodic flowering by repressing CONSTANS transcription.
Plant Physiol
January 2025
Beijing Key Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, and College of Life Sciences, Capital Normal University, Beijing 100048, China.
Photoperiodic regulation of flowering time plays a critical role in plant reproductive success and crop yield. In Arabidopsis thaliana, the expression of the CONSTANS (CO) gene is closely regulated by day length and is modulated by both environmental and endogenous cues for precise control over flowering. Our findings reveal that the phytohormone brassinosteroid (BR) pathway represses flowering by inhibiting the expression of both CO and Flowering Locus T (FT).
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