Activation of plant retrotransposons under stress conditions

Activation of retrotransposons by stresses and external change is common in all eukaryotes, including plants. The transcriptional activation of several well-characterized plant retrotransposons seems to be tightly linked to molecular pathways activated by stress, and activation is under the control...

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Bibliographic Details
Published in:Trends in plant science 1998-05, Vol.3 (5), p.181-187
Main Author: Grandbastien, Marie-Angèle
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Genic rearrangement. Recombination. Transposable element
Life Sciences
Metabolism
Molecular and cellular biology
Molecular genetics
Nitrogen metabolism
pathogen attack
plant defense
Plant physiology and development
stress
transposable element
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Summary:Activation of retrotransposons by stresses and external change is common in all eukaryotes, including plants. The transcriptional activation of several well-characterized plant retrotransposons seems to be tightly linked to molecular pathways activated by stress, and activation is under the control of cis-regulatory sequences strikingly similar to those of plant defence genes. These regulatory sequences are highly variable, suggesting that retrotransposons could evolve through modification of their regulatory features. As the molecular basis for their regulation is becoming better understood, it is possible to begin to assess the putative biological impact of this stress response.
ISSN:1360-1385
1878-4372
DOI:10.1016/S1360-1385(98)01232-1