Flavonoids Can Protect Maize DNA from the Induction of Ultraviolet Radiation Damage

Stapleton, A. E., Walbot, V.·1994·Plant Physiology

Cited by (417)

Items 201–300 of 417

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  5. Effects of Ultraviolet Radiation on Plants and Their Protective Mechanisms
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  21. The Relation between Accumulation of Abscisic Acid and Proline in Detached Rice Leaves
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  23. Biological Activity of Phenolics in Plant Cells
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  24. Transcriptomic, proteomic and metabolomic analysis of maize responses to UV-B
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  27. Flavonóis e flavonas: fontes brasileiras e fatores que influenciam a composição em alimentos
    Lísia Senger Huber, Délia B. Rodriguez–Amaya · 2008 · DOAJ (DOAJ: Directory of Open Access Journals)
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  30. Changes in cyclobutyl pyrimidine dimer levels in rice (Oryza sativa L.) growing indoors and outdoors with or without supplemental UV-B radiation
    Jun Hidema, Hye-Sook Kang, Tadashi Kumagai · 1999 · Journal of Photochemistry and Photobiology B Biology
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  34. Accumulation of the chalcone isosalipurposide in primary leaves of barley flavonoid mutants indicates a defective chalcone isomerase
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  37. Plant Biotechnology of Flavonois.
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    Jun Hidema, IL-KYUNG SONG, Tadashi Sato, Tadashi Kumagai · 2001 · Journal of Radiation Research
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    Carletha R. Blanding, Susan J. Simmons, Paula Casati, Virginia Walbot, Ann E. Stapleton · 2007 · Plant Biotechnology Journal
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    Kirsten Haußühl, W. Rohde, Gottfried Weissenböck · 1996 · Botanica Acta
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  59. Triplet state properties of flavone in homogeneous and micellar solutions. A laser flash photolysis study
    Vicente Ávila, Carlos Mario Previtali · 1995 · Journal of the Chemical Society Perkin Transactions 2
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  63. Leaf Energy Budgets: Effects of Radiation and Temperature
    Hans Lambers, F. Stuart Chapin, Thijs L. Pons · 1998 · Springer eBooks
  64. CHAPTER 10: Oat Phenolics: Biochemistry and Biological Functionality
    F. William Collins · 2011 · AACC International eBooks
  65. Adaptive Mechanisms of Photosynthetic Apparatus to UV Radiation
    Anatoly A. Kosobryukhov, V. Yu. Lyubimov, Vladimir D. Kreslavski · 2015 · Springer eBooks
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  78. The functional role of anthocyanins in leaves
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