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Patterns of developmental and heritable change in methylation of the Suppressor-mutator transposable element by Jo Ann Banks; Nina Fedoroff is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Patterns of developmental and heritable change in methylation of the Suppressor-mutator transposable element about?

Genetic inactivation of the Suppressor-mutator (Sprn} element is correlated with methylation of sequences surrounding the element's transcription initiation site. Several stages in the development of the plant have been identified during which element methylation is reproducibly altered. Loss of element methylation occurs during development of the embryo and early in vegetative growth of the tiller. Element methylation increases during vegetative growth and during development of male and female inflorescences. The susceptibility of element methylation to change during development correlates with the genetic stability of the element's phase of activity. lncreases in methylation of sites both upstream and downstream of the S p m element's transcription initiation site parallel increases in the genetic stability of the inactive phase. These results strengthen the likelihood that methylation o f C residues within specific regions of the element is important in maintaining the element in an inactive phase and is a component of the molecular mechanism that regulates element expression in plant development.

Who reads Patterns of developmental and heritable change in methylation of the Suppressor-mutator transposable element?

Author

Jo Ann Banks; Nina Fedoroff

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0192-253X)

Published

1989

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)