Isozymes and a Strategy for Their Utilization in Plant Genetics I. Isozymes: Genetic and Epigenetic Control

  • Michel Jacobs
Part of the NATO Advanced Study Institutes Series book series (NSSA, volume 3)


One of the most crucial problem facing the plant geneticist is the elucidation of the mechanisms which enables information coded in DNA to determine the morphologyof an organism. Early studies in this field, made on flower color mutants and their associated pigments (1,2) were limited by the fact that conclusions about genotypes were almost entirely based on phenotypic observations, and concerned morphological or complex physiological characteristics. However, in the last fifteen years, the impact of the “one gene-one enzyme” hypothesis of Beadle, Tatum and Horowitz has led to a new development of the biochemical genetics of higher plants by giving rise to studies that correlate differences in genotypes with enzyme variations and consider the earliest stages in the transcription and translation of the genetic code. Ten years ago most of our examples would be drawn from microorganisms, but now what emerges from higher plants forms an impressive bulk of data.


Epigenetic Control Biochemical Genetic Catechol Oxidase Hybrid Enzyme Leucine Amino Peptidase 


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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • Michel Jacobs
    • 1
  1. 1.Laboratorium voor PlantengeneticaVrije Universiteit BrusselSt. Genesius-RodeUSA

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