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Author Chaves, I.; Pokorny, R.; Byrdin, M.; Hoang, N.; Ritz, T.; Brettel, K.; Essen, L.-O.; van der Horst, G.T.J.; Batschauer, A.; Ahmad, M.
Title The cryptochromes: blue light photoreceptors in plants and animals Type Journal Article
Year 2011 Publication Annual Review of Plant Biology Abbreviated Journal Annu Rev Plant Biol
Volume 62 Issue Pages 335-364
Keywords Adenosine Triphosphate/metabolism; Animals; Cryptochromes/chemistry/classification/*physiology; DNA Repair; Deoxyribodipyrimidine Photo-Lyase/chemistry/classification/physiology; Homing Behavior; Insects/physiology; *Light Signal Transduction; Magnetics; Mice; Oxidation-Reduction; Phosphorylation/physiology; Plants/*metabolism; blue light
Abstract Cryptochromes are flavoprotein photoreceptors first identified in Arabidopsis thaliana, where they play key roles in growth and development. Subsequently identified in prokaryotes, archaea, and many eukaryotes, cryptochromes function in the animal circadian clock and are proposed as magnetoreceptors in migratory birds. Cryptochromes are closely structurally related to photolyases, evolutionarily ancient flavoproteins that catalyze light-dependent DNA repair. Here, we review the structural, photochemical, and molecular properties of cry-DASH, plant, and animal cryptochromes in relation to biological signaling mechanisms and uncover common features that may contribute to better understanding the function of cryptochromes in diverse systems including in man.
Address Department of Genetics, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands. i.chaves@erasmusmc.nl
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Language English Summary Language Original Title
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ISSN 1543-5008 ISBN Medium
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Notes PMID:21526969 Approved no
Call Number IDA @ john @ Serial 341
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Author Shillo, R., & Halevy, A. H.
Title Interaction of photoperiod and temperature in flowering-control of Gypsophila paniculata L Type Journal Article
Year 1982 Publication Scientia Horticulturae Abbreviated Journal
Volume 16 Issue 4 Pages 385-393
Keywords Plants
Abstract Long day promotes flowering of Gysophila paniculata L cultivar ‘Bristol Fairy’. Repeated treatments with GA3 or GA4 + 7 in short days did not promote flowering. The long photoperiod is effective only at relatively high temperatures. At night temperatures below 12°C, the plants remain vegetative even in long days. Efficient artificial lighting is from incandescent lamps at 60–100 lux. Fluorescent lighting (Cool-White) is not effective. Lighting of 4 hours as a night-break or at the end of the night were equally effective, but 4 hours lighting as a day-extension was less effective. Whole-night lighting promoted flowering more than any of the 4-hour lighting regimes. Cyclic lighting of one third light in each cycle promoted flowering to the same extent as continuous lighting. Light intensity during the day has a decisive effect on flower production.
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Notes Approved no
Call Number IDA @ intern @ Serial 2370
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Author Myers, L.; Christian, K.; Kirchner, R.
Title Flowering responses of 48 lines of oilseed rape (Brassica spp.) to vernalization and daylength Type Journal Article
Year 1982 Publication Australian Journal of Agricultural Research Abbreviated Journal Aust. J. Agric. Res.
Volume 33 Issue 6 Pages 927
Keywords Plants
Abstract Forty-eight lines of Brassica spp, of diverse origins were grown in the glasshouse either under natural daylengths or daylengths extended to 16 h by artificial illumination. Plants were either unvernalized or had been subjected to 6 weeks at 8¦C day and 6¦C night temperatures as seedlings. Lines could be classified into two major groups, according to whether or not vernalization or long photoperiods were essential for 50% flowering within 21 weeks. In six lines, both vernalization and long days were essential for prompt flowering, while only five lines did not respond to either treatment. Strong interactions between lines and treatments were found in the number of leaves and subtended buds at flowering. The results show that a wide range of responses is obtainable from material currently available, offering considerabk, scope for adaptation to different environments.
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ISSN 0004-9409 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ intern @ Serial 2369
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Author Buschmann, C.; Lichtenthaler, H.K.
Title Principles and characteristics of multi-colour fluorescence imaging of plants Type Journal Article
Year 1998 Publication Journal of Plant Physiology Abbreviated Journal Journal of Plant Physiology
Volume 152 Issue 2-3 Pages 297-314
Keywords Plants
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Series Editor (up) Series Title Abbreviated Series Title
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ISSN 0176-1617 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 652
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Author Cathey, H. M., & Campbell, L. E.
Title Security lighting and its impact on the landscape. Type Journal Article
Year 1975 Publication Journal Of Arboriculture Abbreviated Journal
Volume 1 Issue Pages 181–187
Keywords Plants
Abstract
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Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 653
Permanent link to this record