The effect of the phenolic compounds exuded by pea roots in darkness on the reproduction of Rhizobium

The exudation, composition, and biological activity of the phenolic compounds (PC) of pea (Pisum sativum L.) roots in the light and darkness were studied. The roots of leguminous plants grown for 5 days in darkness exuded a smaller amount of PC that displayed a weaker stimulation of Rhizobium reprod...

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Bibliographic Details
Published in:Applied biochemistry and microbiology 2007-07, Vol.43 (4), p.429-434, Article 429
Main Authors: Makarova, L E, Latysheva, S E, Putilina, T E
Format: Article
Language:English
Subjects:
Antiinfectives and antibacterials
Antimicrobial agents
Biological activity
Composition
Darkness
Exudates
Exudation
Legumes
Leguminous plants
Microbiology
Nodulation
Peas
Phenolic compounds
Phenols
Pisum sativum
Reproduction
Reproduction (biology)
Rhizobium
Roots
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Summary:The exudation, composition, and biological activity of the phenolic compounds (PC) of pea (Pisum sativum L.) roots in the light and darkness were studied. The roots of leguminous plants grown for 5 days in darkness exuded a smaller amount of PC that displayed a weaker stimulation of Rhizobium reproduction. Moreover, the root exudates contained antimicrobial compounds, stilbenes. It is assumed that a lower PC exudation by roots and the specific features of PC composition influencing the biological activity are among the reasons causing a delayed nodulation of legumes grown in darkness.
ISSN:0003-6838
1608-3024
DOI:10.1134/S0003683807040126