Growth of tobacco photoplasts stimulated by synthetic lipo-chitooligosaccharides

Nodulation (Nod) factors are lipo-chitooligosaccharides (LCOs) secreted by rhizobia to trigger the early steps of nodule organogenesis in leguminous plants. A method to synthesize LCOs in vitro was developed. Synthetic LCOs alleviated the requirement for auxin and cytokinin to sustain growth of cult...

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Published in:Science (American Association for the Advancement of Science) 1995-01, Vol.269 (5225), p.841-843
Main Authors: Roehrig, H, Schmidt, J, Walden, R, Czaja, I, Miklasevics, E, Wieneke, U, Schell, J, John, M
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Language:English
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Nicotiana tabacum
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container_issue 5225
container_start_page 841
container_title Science (American Association for the Advancement of Science)
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creator Roehrig, H
Schmidt, J
Walden, R
Czaja, I
Miklasevics, E
Wieneke, U
Schell, J
John, M
description Nodulation (Nod) factors are lipo-chitooligosaccharides (LCOs) secreted by rhizobia to trigger the early steps of nodule organogenesis in leguminous plants. A method to synthesize LCOs in vitro was developed. Synthetic LCOs alleviated the requirement for auxin and cytokinin to sustain growth of cultured tobacco protoplasts. LCOs containing C sub(18:1) trans-fatty acyl substituents were more effective than those containing cis-fatty acids in promoting cell division as well as in activating an auxin-responsive promoter and the expression of a gene implicated in auxin action. These data indicate that LCOs redirect plant growth also in nonlegumes by activating developmental pathways also targeted by phytohormones.
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subjects Nicotiana tabacum
title Growth of tobacco photoplasts stimulated by synthetic lipo-chitooligosaccharides
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