Enhancement of infection thread formation by Rhizobium etli incubated with bean seed lectin

Rhizobium etli infects its host Phaseolus vulgaris by means of a structure called infection thread. Although there are several reports related to infection thread promoting factors, none of them deals with this symbiotic pair. In this study we report that incubating R. etli with P. vulgaris seed lec...

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Bibliographic Details
Published in:Microbiological research 1996, Vol.151 (3), p.243-246
Main Authors: Brelles-Mariño, Graciela, Costa, Guillermo A., Boiardi, José L.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
bean lectin
Biological and medical sciences
Economic plant physiology
Fundamental and applied biological sciences. Psychology
infection threads
legume infection
Phaseolus vulgaris
Rhizobium
Rhizobium etli
Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
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Summary:Rhizobium etli infects its host Phaseolus vulgaris by means of a structure called infection thread. Although there are several reports related to infection thread promoting factors, none of them deals with this symbiotic pair. In this study we report that incubating R. etli with P. vulgaris seed lectin, prior to plant inoculation, significantly increased the infection thread counting in plants grown in plastic pouches. However, promotion of infection thread formation was not significantly correlated, at least under our experimental conditions, with an increase in nodule number.
ISSN:0944-5013
1618-0623
DOI:10.1016/S0944-5013(96)80019-X