C : N ratio increases in the phloem sap during floral transition of the long-day plants Sinapis alba and Arabidopsis thaliana

Corbesier, Laurent; Bernier, Georges; Périlleux, Claire

doi:10.1093/pcp/pcf071

Article (Scientific journals)

C : N ratio increases in the phloem sap during floral transition of the long-day plants Sinapis alba and Arabidopsis thaliana

Corbesier, Laurent; Bernier, Georges; Périlleux, Claire

2002 • In Plant and Cell Physiology, 43 (6), p. 684-688

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/12804

DOI
10.1093/pcp/pcf071

PubMed
12091723

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Keywords :

Arabidopsis thaliana; C : N ratio; floral stimulus; flowering; phloem sap; Sinapis alba

Abstract :

[en] In plants of Sinapis alba and Arabidopsis thaliana, leaf exudate (phloem sap) was analysed during and after a single long day inducing flowering and in control short days. The amounts of carbohydrates and amino acids were measured to estimate the organic C : N ratio. In both species, the C : N ratio of the phloem sap increased markedly and early during the inductive treatment, suggesting that an inequality in organic C and N supply to the apical meristem may be important at floral transition.

Disciplines :

Phytobiology (plant sciences, forestry, mycology...)

Author, co-author :

Corbesier, Laurent; Université de Liège - ULiège > Département des sciences de la vie > Physiologie végétale

Bernier, Georges ; Université de Liège - ULiège > Département des sciences de la vie > Physiologie végétale > Relations académiques et scientifiques (Sciences)

Périlleux, Claire ; Université de Liège - ULiège > Département des sciences de la vie > Physiologie végétale

Language :

English

Title :

C : N ratio increases in the phloem sap during floral transition of the long-day plants Sinapis alba and Arabidopsis thaliana

Publication date :

2002

Journal title :

Plant and Cell Physiology

ISSN :

0032-0781

eISSN :

1471-9053

Publisher :

Oxford Univ Press, Oxford, United Kingdom

Volume :

Issue :

Pages :

684-688

Peer reviewed :

Peer Reviewed verified by ORBi

Name of the research project :

EC contract BI04 CT97-2231; Interuniversity Attraction Poles Programme P4/15

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique
BELSPO - Politique scientifique fédérale
DG RDT - Commission Européenne. Direction Générale de la Recherche et de l'Innovation
ULg FSR - Université de Liège. Fonds spéciaux pour la recherche

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