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Morphological, physiological and transcriptional analyses provide insights into the biosynthesis of phenolics in Juniperus rigida under UV-B treatment.
Plant Physiol Biochem
January 2025
College of Forestry, Northwest A & F University, Yangling, 712100, China; Shaanxi Key Laboratory of Economic Plant Resources Development and Utilization, Northwest A & F University, Yangling, 712100, China. Electronic address:
Phenolics play a crucial role in plant defense mechanisms against increased UV-B radiation. Due to their significant medicinal properties, the phenolic compounds produced by Juniperus rigida have great potential as valuable sources for medicine. However, the process of synthesizing J.
View Article and Find Full Text PDFUnraveling TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR Transcription Factors in Safflower: A Blueprint for Stress Resilience and Metabolic Regulation.
Molecules
January 2025
Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China.
Safflower ( L.), a versatile medicinal and economic crop, harbors untapped genetic resources essential for stress resilience and metabolic regulation. The TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) transcription factors, exclusive to plants, are pivotal in orchestrating growth, development, and stress responses, yet their roles in safflower remain unexplored.
View Article and Find Full Text PDFProteomic insight into growth and defense strategies under low ultraviolet-B acclimation in the cyanobacterium Nostoc sphaeroides.
J Photochem Photobiol B
January 2025
Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Engineering Research Center of Special Wild Vegetables Breeding and Comprehensive Utilization Technology, College of life sciences, Hubei Normal University, Huangshi 435002, Hubei, China. Electronic address:
Prioritizing defense over growth often occurs under ultraviolet (UV)-B radiation while several studies showed its growth-promoting effects on photosynthetic organisms, how they overcome the growth-defense trade-off is unclear. This study deciphered the acclimation responses of the cyanobacterium Nostoc sphaeroides to low UV-B radiation (0.08 W m) using quantitative proteomic, physiological and biochemical analyses.
View Article and Find Full Text PDFThe Melanocyte and Nerve Fiber Cross-Talk, Facilitated Also by Semaphorin-4A, Enhances UV-B-Induced Melanogenesis.
Pigment Cell Melanoma Res
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QIMA Life Sciences, QIMA Monasterium GmbH, Münster, Germany.
Epidermal melanocytes form synaptic-like contacts with cutaneous nerve fibers, but the functional outcome of these connections remains elusive. In this pilot study we used our fully humanized re-innervated skin organ culture model to investigate melanocyte-nerve fiber interactions in UV-B-induced melanogenesis. UV-B-irradiation significantly enhanced melanin content and tyrosinase activity in re-innervated skin compared to non-innervated controls, indicating that neuronal presence is essential for exacerbating pigmentation upon UV-B irradiation in long-term culture.
View Article and Find Full Text PDFEvaluation of UV-A and UV-B transmission through the windows of gas, hybrid, and electric vehicles.
Arch Dermatol Res
January 2025
Department of Dermatology, Drexel University College of Medicine, 860 1St Avenue, Suite 8B, Philadelphia, PA, 19406, USA.
UV-A exposure is a major risk factor for melanoma, nonmelanoma skin cancer, photoaging, and exacerbation of photodermatoses. Since people spend considerable time in cars daily, inadequate UV-A attenuation by car windows can significantly contribute to the onset or exacerbation of these skin diseases. Given recent market trends in the automobile industry and known impact of car windows on cumulative lifelong UV damage to the skin, there is a need to comparatively evaluate UV transmission across windows in electric vehicles (EV), hybrid vehicles (HV), and gas vehicles (GV) as well as variability based on year of manufacture and mileage to inform car manufacturers and consumers of the potential for UV exposure to the skin based on vehicle.
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