Characterization and Analysis of Thionin Genes

  • F. Garcia-Olmedo
  • M. J. Carmona
  • J. J. Lopez-Fando
  • J. A. Fernandez
  • A. Castagnaro
  • A. Molina
  • C. Hernandez-Lucas
  • P. Carbonero
Part of the Plant Gene Research book series (GENE)


The general designation of thionins has been proposed for a family of homologous proteins that have been isolated from different tissues in a wide range of plant taxa and have been variously named purothionins, viscotoxins, crambins, etc. (see Garcia-Olmedo et al., 1989). The possible involvement of thionins in plant defense was first suggested, on the basis of their in vitro toxicity to plant pathogens, by Fernandez de Caleya et al., (1972). Those observations had been prompted by earlier reports concerning the antimicrobial properties of these polypeptides (Stuart and Harris, 1942; Balls and Harris, 1944). Work on the thionins, which has been actively pursued over the past half-century, has been recently reviewed in detail (Garcia-Olmedo et al., 1989). For this reason. earlier work will only be partially summarized in the present chapter, which will focus on recent developments concerning thionin genes and their potential role in plant defense mechanisms.


Wheat Flour Minimal Inhibitory Concentration Myogenic Differentiation Disulphide Bridge Viscum Album 
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Copyright information

© Springer-Verlag Wien 1992

Authors and Affiliations

  • F. Garcia-Olmedo
    • 1
  • M. J. Carmona
    • 1
  • J. J. Lopez-Fando
    • 1
  • J. A. Fernandez
    • 1
  • A. Castagnaro
    • 1
  • A. Molina
    • 1
  • C. Hernandez-Lucas
    • 1
  • P. Carbonero
    • 1
  1. 1.Cátedra de Bioquimica y Biologia Molecular, E.T.S. Ingenieros AgrónomosUniversidad Politécnica de MadridMadridSpain

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