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| http://dx.doi.org/10.1104/pp.11.4.807 | DOI Listing |
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Circadian clock regulation in soybean senescence: a transcriptome analysis of early and late senescence types.
BMC Genomics
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Department of Agricultural and Life Industry, Kangwon National University, Chuncheon, 2434, Republic of Korea.
Background: Plant senescence is the process of physiological maturation of plants and is important for crop yield and quality. Senescence is controlled by several factors, such as temperature and photoperiod. However, the molecular basis by which these genes promote senescence in soybeans is not well understood.
View Article and Find Full Text PDFBiofeedback control of photosynthetic lighting using real-time monitoring of leaf chlorophyll fluorescence.
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Department of Horticulture, University of Georgia, Athens, GA, USA.
Optimizing photosynthetic lighting is essential for maximizing crop production and minimizing electricity costs in controlled environment agriculture (CEA). Traditional lighting methods often neglect the impact of environmental factors, crop type, and light acclimation on photosynthetic efficiency. To address this, a chlorophyll fluorescence-based biofeedback system was developed to adjust light-emitting diode (LED) intensity based on real-time plant responses, rather than using a fixed photosynthetic photon flux density (PPFD).
View Article and Find Full Text PDFSeven up regulates reproductive diapause initiation via juvenile hormone biosynthesis in the cabbage beetle Colaphellus bowringi.
Insect Sci
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Hubei Key Laboratory of Resources Utilization and Sustainable Pest Management, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.
Reproductive diapause is an insect survival strategy in which reproduction temporarily halts in response to adverse environmental changes. This process is characterized by arrested ovarian development and lipid accumulation in females. A reduction in juvenile hormone (JH) biosynthesis is known to initiate reproductive diapause, but its regulatory mechanism remains unclear.
View Article and Find Full Text PDFPhotoperiodic plasticity of pigment-dispersing factor immunoreactive fibers projecting toward prothoracicotropic hormone neurons in flesh fly Sarcophaga similis larvae.
J Comp Physiol A Neuroethol Sens Neural Behav Physiol
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Graduate School of Science, The University of Osaka, 1-1 Machikaneyama-cho, Toyonaka, Osaka, 560-0043, Japan.
Larvae of the flesh fly, Sarcophaga similis exhibit photoperiodic responses to control pupal diapause. Although the external coincidence model is applicable to S. similis photoperiodism, it remains unknown how the circadian clock system integrates day-length information.
View Article and Find Full Text PDFCycling Dof Factor 3 mediates light-dependent ascorbate biosynthesis by activating GDP-L-galactose phosphorylase in Rosa roxburghii fruit.
Plant Physiol
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Guizhou Engineering Research Center for Fruit Crops, Agricultural College, Guizhou University, Guiyang, Guizhou, China.
Light plays an important role in determining the L-ascorbate (AsA) pool size in plants, primarily through the transcriptional regulation of AsA metabolism-related genes. However, the specific mechanism of transcriptional induction responsible for light-dependent AsA biosynthesis remains unclear. In this study, we used a promoter sequence containing light-responsive motifs from GDP-L-galactose phosphorylase 2 (RrGGP2), a key gene involved in AsA overproduction in Rosa roxburghii fruits, to identify participating transcription factors.
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