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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Transgeneration memory of stress in plants

Article Abstract:

Genome changes due to stress in plants are examined by treating Arabidopsis thaliana plants with short-wavelength radiation or flagellin, which reveals increased levels of a transgenic homologous recombination in the treated population, persisting for several subsequent, untreated generations in the lineage. The finding demonstrates a transgeneration memory of stress in plants and might increase the potential for adaptation of the plant species.

Author: Ries, Gerhard, Hohn, Barbara, Zipfel, Cyril, Molinier, Jean
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Environmental aspects, Arabidopsis thaliana, Ecological stress

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Pathogen-induced systematic plant signal triggers DNA rearrangements

Article Abstract:

Research has been conducted on tobacco plants infected with tobacco or oilseed mosaic viruses. The authors report the increase in the homologous recombination frequency in both infected and non-infected tissues of these plants, indicating that the systemic recombination signal increases the frequency of the meiotic and inherited late somatic recombinations.

Author: Hohn, Barbara, Kovalchuk, Olga, Kovalchuk, Igor, Kalck, Veronique, Boyko, Vitaly, Filkowski, Jody, Heinlein, Manfred
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Canada, Switzerland, Biological Product (except Diagnostic) Manufacturing, Drugs, Deoxyribonucleic Acid, Physiological aspects, Gene mutations, Gene mutation, Plant-pathogen relationships, Microbiology, Pathogenic microorganisms

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Elevated UV-B radiation reduces genome stability in plants

Article Abstract:

Research is presented concerning the damage to DNA which occurs in plants exposed to elevated ultraviolet-B radiation. The morphological and physiological responses of the exposed plants are discussed.

Author: Ries, Gerhard, Heller, Werner, Puchta, Holger, Sandermann, Heinrich, Seidlitz, Harald K., Hohn, Barbara
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2000
Ultraviolet radiation, Letter to the Editor, Somatic hybrids, Hybrid cells

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Subjects list: Research, Genetic aspects, DNA, Plants, Plants (Organisms)
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