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Development of a novel high-frequency reciprocal structure fiber optical pulsed current sensor.
Rev Sci Instrum
January 2025
Department of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei 230026, China.
A novel all-fiber optic current sensor (FOCS) is designed specifically for the measurement of large transient currents based on the Faraday effect. A reciprocal symmetric structure is incorporated into the optical sensing loop, and the current dependent phase demodulation is achieved by using a passive optical fiber coupler and the homodyne detection scheme. This design offers several advantages, including structural simplicity, high voltage insulation, low noise, high linearity, and excellent frequency response, and is highly suitable for use in any system of high-voltage, high-power, and high-frequency in nature.
View Article and Find Full Text PDFIdentification of a Novel Stomatal Opening Chemical, PP242, That Inhibits Early Abscisic Acid Signal Transduction in Guard Cells.
Plant Cell Physiol
January 2025
Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan.
Plants control their stomatal apertures to optimize carbon dioxide uptake and water loss. Stomata open in response to light through the phosphorylation of the penultimate residue, Thr, of plasma membrane (PM) H+-ATPase in guard cells. Stomata close in response to drought and the phytohormone abscisic acid (ABA), and ABA suppresses the light-induced activation of PM H+-ATPase.
View Article and Find Full Text PDFSlABCG9 Functioning as a Jasmonic Acid Transporter Influences Tomato Resistance to .
J Agric Food Chem
January 2025
College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271018 Shandong, China.
Jasmonic acid (JA) is crucial for plant stress responses, which rely on intercellular jasmonate transport. However, JA transporters have not been fully identified, especially in tomato ( L.).
View Article and Find Full Text PDFGhrelin suppresses water intake with a different physiological significance from atrial natriuretic peptide in conscious seawater-acclimated eels.
J Exp Biol
January 2025
Laboratory of Physiology, Atmosphere and Ocean Research Institute, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba, 277-8564, Japan.
In general, ghrelin is known as one of the orexigenic hormones in mammals. On the other hand, it has been shown that ghrelin inhibits water intake, which appear to be inconsistent with its role in the feeding response. In this study, the effect of ghrelin on water intake was comprehensively addressed using conscious seawater-acclimated eels known as an experimental model for water drinking behaviour.
View Article and Find Full Text PDFThe GRAS transcription factor PtrPAT1 of functions in cold tolerance and modulates glycine betaine content by regulating the -like gene.
Hortic Res
January 2025
National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China.
GRAS, termed after gibberellic acid insensitive (GAI), RGA (repressor of GA1), and SCR (scarecrow), is a plant-specific transcription factor crucial for plant development and stress response. However, understanding of the functions played by the GRAS members and their target genes in citrus is limited. In this study, we identified a cold stress-responsive GRAS gene from , designated as PtrPAT1, by yeast one-hybrid library screening using the promoter of , a betaine aldehyde dehydrogenase (BADH)-like gene.
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