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Nod factors and nodulation in plants

Article Abstract:

Symbiotic nitrogen fixation in legumes is accomplished by Rhizobium bacteria, which reside in plant nodules and whose secretions stimulate nodule growth. Proteins in the Rhizobium's Nod genes and plant flavonoids stimulate the production of host-specific signal molecules called nod factors.

Author: Vijn, Irma, das Neves, Lucinda, Kammen, Ab van, Franssen, Henk, Bisseling, Tom
Publisher: American Association for the Advancement of Science
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1993
Rhizobium, Nitrogen-fixing plants

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Evolution of insect resistance to Bacillus thuringiensis-transformed plants

Article Abstract:

A model for combatting the evolution of corn borer resistance to Bacillus thuringiensis toxins engineered into crops is criticized. The efficacy of altering the distribution of toxin-containing plants in fields is doubted. A reply is included.

Author: Ives, Anthony R., Andow, D.A., Alstad, D.N.
Publisher: American Association for the Advancement of Science
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1996
Agricultural biotechnology, Bacillus thuringiensis, Insecticide resistance, Biopesticides, Corn borers

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The rise of plants and their effect on weathering and atmospheric CO2

Article Abstract:

The spread of rooted vascular plants during the Devonian Period likely accelerated weathering and the removal of carbon dioxide from the atmosphere. The reasons for the acceleration are explored.

Author: Berner, Robert A.
Publisher: American Association for the Advancement of Science
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1997
Atmospheric carbon dioxide, Paleobotany, Devonian period, Weathering

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Subjects list: Research
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