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Carotenoid biosynthesis is photoinducible in Gibberella fujikuroi, an organism used in the fermentive production of the gibberellins. The light exposed needed for an appreciable response is higher… Continue Reading
Whether or not illumination is continuous or interrupted during the span in which increasing illumination time periods (i.e., increasing fluences) have no different effect on carotenogenesis is… Continue Reading
The fluence response of the blue light induced carotenoid synthesis inNeurospora is biphasic. Using fluence rates between 0.3 and 40 Wm-2, increasing illumination times beyond 16 min (at 20°C) result… Continue Reading
For red light, biphasic dose response curves have been reported for the growth of both Avena mesocotyl and coleoptiles (for ref. see Blaauw et al. 1968), for anthocyanin synthesis in mustard… Continue Reading
Abstract A reliable method based on non-negative least squares is suggested for the deconvolution of spectra of chemical and biochemical mixtures into their individual components. The efficiency of… Continue Reading
One of the roles of carotenoids in plants which are proposed is to serve as protecting agents against deleterious effects of light. The major mechanisms whereby carotenoids prevent harmful… Continue Reading
— In the two fungal species (Fusarium and Neurospora) carotenogenesis has been described as a blue light effect. Generally, phytochrome was believed to be absent in fungi. Recently, work was reported… Continue Reading
Based on inhibitor studies it has been concluded that in photoregulated processes of plant development, light induces differential gene expression. Using affinity chromatography of double labelled… Continue Reading
Light and air are the dominant factors affecting organisms in their natural environment. Much work has been done to elucidate their influence on plants and microbes.