Plant transposable elements generate the DNA sequence diversity needed in evolution.

The EMBO journal ·Vol. 4 ·No. 3 ·1985-03-00 ·Pages 591-7

Schwarz-Sommer Z, Gierl A, Cuypers H, Peterson PA, Saedler H

Abstract

Two germinal and 16 somatic reversion events induced by the Enhancer (En) transposable element system at the wx-8::Spm-I8 allele of Zea mays were cloned and studied by sequence analysis. Excision of the Spm-I8 receptor element from the wx gene results in various mutant DNA sequences. This leads to altered gene products, some of which are still capable of restoring the wild-type phenotype. Possible 'foot-print' sequences that may have arisen by the excision of transposable elements were observed when intron sequences of the wild-type (wx+) and mutant (wx-m8) alleles of the wx gene were compared. The sequence divergence generated by visitation of a locus by plant transposable elements is discussed with respect to the molecular evolution of the new gene functions.

MeSH Terms

Base Sequence Biological Evolution DNA Transposable Elements/genetics DNA, Plant/genetics Exons/genetics Genes, Plant/genetics Genetic Variation/genetics Introns/genetics Molecular Sequence Data Zea mays/genetics

Chemicals

DNA Transposable Elements DNA, Plant

Authors & Affiliations

5 authors, click to expand affiliations / ORCID

Schwarz-Sommer Z

Max-Planck-Institut für Züchtungsforschung, 5000 Köln 30, FRG.

Gierl A

Cuypers H

Peterson P A

Saedler H

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Article Info

Journal

The EMBO journal

Abbr.

EMBO J

ISSN

0261-4189

Published

1985-03-00

Pages

591-7

Language

English

Region

England

NLM ID

8208664

PMCID

PMC554230

Subset

External Links

PubMed source PMC Full Text View journal details

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Plant transposable elements generate the DNA sequence diversity needed in evolution.

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