A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation

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Standard

A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation. / Mellor, Robert B.; Collinge, David B.

In: Journal of Experimental Botany, Vol. 46, No. 1, 01.01.1995, p. 1-18.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Mellor, RB & Collinge, DB 1995, 'A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation', Journal of Experimental Botany, vol. 46, no. 1, pp. 1-18. https://doi.org/10.1093/jxb/46.1.1

APA

Mellor, R. B., & Collinge, D. B. (1995). A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation. Journal of Experimental Botany, 46(1), 1-18. https://doi.org/10.1093/jxb/46.1.1

Vancouver

Mellor RB, Collinge DB. A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation. Journal of Experimental Botany. 1995 Jan 1;46(1):1-18. https://doi.org/10.1093/jxb/46.1.1

Author

Mellor, Robert B. ; Collinge, David B. / A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation. In: Journal of Experimental Botany. 1995 ; Vol. 46, No. 1. pp. 1-18.

Bibtex

@article{6f6ebc12df314769acb03fe94fa4ad32,
title = "A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation",
abstract = "We present the following hypothesis; that lipo-oligochitin Nod-factors can act in an elicitor-like fashion inducing, amongst other effects, a plant chitolytic enzyme, capable of hydrolysing the oligochitin chain of the Nod-factor. Decorative groups on the oligochitin chain, e.g. sulphate, may confer partial resistance to hydrolysis upon particular Nod-factors. After entry into the plant, Nod-factor synthesis must be down-regulated in order to avoid further, unwanted, eli-citation and the consequent abortion of the symbiosis. The plant-derived compounds inhibiting the synthesis of bacterial Nod-factors are limiting in root tissue, leading to residual elicitation and the abortion of infection thread formation. Nod-gene anti-induction is, furthermore, inactivated by both light and nitrate, thus contributing to the inhibition of nodulation under these conditions. In nitrogen-fixing nodules, the bacteroids are exposed to both nod-gene inducing and repressing compounds. The slow accumulation of Nod-factors within the peribacteroid space eventually results in the elicitation of phytoalexin synthesis and nodule senescence.",
keywords = "Chitinase, Elicitors, Leguminosae, Nod-factors, Rhizobium, Symbiosis.",
author = "Mellor, {Robert B.} and Collinge, {David B.}",
year = "1995",
month = jan,
day = "1",
doi = "10.1093/jxb/46.1.1",
language = "English",
volume = "46",
pages = "1--18",
journal = "Journal of Experimental Botany. Flowering Newsletter",
issn = "1754-6613",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - A simple model based on known plant defence reactions is sufficient to explain most aspects of nodulation

AU - Mellor, Robert B.

AU - Collinge, David B.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - We present the following hypothesis; that lipo-oligochitin Nod-factors can act in an elicitor-like fashion inducing, amongst other effects, a plant chitolytic enzyme, capable of hydrolysing the oligochitin chain of the Nod-factor. Decorative groups on the oligochitin chain, e.g. sulphate, may confer partial resistance to hydrolysis upon particular Nod-factors. After entry into the plant, Nod-factor synthesis must be down-regulated in order to avoid further, unwanted, eli-citation and the consequent abortion of the symbiosis. The plant-derived compounds inhibiting the synthesis of bacterial Nod-factors are limiting in root tissue, leading to residual elicitation and the abortion of infection thread formation. Nod-gene anti-induction is, furthermore, inactivated by both light and nitrate, thus contributing to the inhibition of nodulation under these conditions. In nitrogen-fixing nodules, the bacteroids are exposed to both nod-gene inducing and repressing compounds. The slow accumulation of Nod-factors within the peribacteroid space eventually results in the elicitation of phytoalexin synthesis and nodule senescence.

AB - We present the following hypothesis; that lipo-oligochitin Nod-factors can act in an elicitor-like fashion inducing, amongst other effects, a plant chitolytic enzyme, capable of hydrolysing the oligochitin chain of the Nod-factor. Decorative groups on the oligochitin chain, e.g. sulphate, may confer partial resistance to hydrolysis upon particular Nod-factors. After entry into the plant, Nod-factor synthesis must be down-regulated in order to avoid further, unwanted, eli-citation and the consequent abortion of the symbiosis. The plant-derived compounds inhibiting the synthesis of bacterial Nod-factors are limiting in root tissue, leading to residual elicitation and the abortion of infection thread formation. Nod-gene anti-induction is, furthermore, inactivated by both light and nitrate, thus contributing to the inhibition of nodulation under these conditions. In nitrogen-fixing nodules, the bacteroids are exposed to both nod-gene inducing and repressing compounds. The slow accumulation of Nod-factors within the peribacteroid space eventually results in the elicitation of phytoalexin synthesis and nodule senescence.

KW - Chitinase

KW - Elicitors

KW - Leguminosae

KW - Nod-factors

KW - Rhizobium

KW - Symbiosis.

UR - http://www.scopus.com/inward/record.url?scp=0029138916&partnerID=8YFLogxK

U2 - 10.1093/jxb/46.1.1

DO - 10.1093/jxb/46.1.1

M3 - Journal article

AN - SCOPUS:0029138916

VL - 46

SP - 1

EP - 18

JO - Journal of Experimental Botany. Flowering Newsletter

JF - Journal of Experimental Botany. Flowering Newsletter

SN - 1754-6613

IS - 1

ER -

ID: 201509059