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Arabidopsis thaliana ASN2 encoding asparagine synthetase is involved in the control of nitrogen assimilation and export during vegetative growth.

Plant, cell & environment - 1 Feb 2013

Gaufichon Laure, Masclaux-Daubresse Céline, Tcherkez Guillaume, Reisdorf-Cren Michèle, Sakakibara Yukiko, Hase Toshiharu, Clément Gilles, Avice Jean-Christophe, Grandjean Olivier, Marmagne Anne, Boutet-Mercey Stéphanie, Azzopardi Marianne, Soulay Fabienne, Suzuki Akira

Abstract excerpt

We investigated the function of ASN2, one of the three genes encoding asparagine synthetase (EC 6.3.5.4), which is the most highly expressed in vegetative leaves of Arabidopsis thaliana. Expression of ASN2 and parallel higher asparagine content in darkness suggest that leaf metabolism involves ASN2 for asparagine synthesis. In asn2-1 knockout and asn2-2 knockdown lines, ASN2 disruption caused a defective growth...

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PMID: 22789031
DOI: 10.1111/j.1365-3040.2012.02576.x

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