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The proline biosynthetic genes P5CS1 and P5CS2 play overlapping roles in Arabidopsis flower transition but not in embryo development.

Physiologia plantarum - 1 Sept 2009

Mattioli Roberto, Falasca Giuseppina, Sabatini Sabrina, Altamura Maria Maddalena, Costantino Paolo, Trovato Maurizio

Abstract excerpt

Overexpression of the proline biosynthetic gene P5CS1 results in early flowering in Arabidopsis. However, the p5cs1 loss-of-function mutant exhibits a modest delay in flowering, suggesting that P5CS2, a duplicated P5CS1 gene present in the Arabidopsis, may also play a role in flower transition. In situ mRNA hybridizations and quantitative reverse transcription-polymerase chain reaction (RT-PCR) revealed that...

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PMID: 19627555
DOI: 10.1111/j.1399-3054.2009.01261.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

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