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Cited by 437

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Proanthocyanidin-Accumulating Cells in Arabidopsis Testa: Regulation of Differentiation and Role in Seed Development

Open access
Debeaujon, Isabelle, Nesi, Nathalie, Perez, Pascual, Devic, Martine, Grandjean, Olivier, Caboche, Michel, Lepiniec, Loïc·2003·The Plant Cell
DOI 10.1105/tpc.014043
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Abstract

Anthocyanidin reductase encoded by the BANYULS (BAN) gene is the core enzyme in proanthocyanidin (PA) biosynthesis. Here, we analyzed the developmental mechanisms that regulate the spatiotemporal expression of BAN in the developing Arabidopsis seed coat. PA-accumulating cells were localized histochemically in the inner integument (seed body and micropyle) and pigment strand (chalaza). BAN promoter activity was detected specifically in these cells. Gain-of-function experiments showed that an 86-bp promoter fragment functioned as an enhancer specific for PA-accumulating cells. Mutations in regulatory genes of PA biosynthesis abolished BAN promoter activity (transparent testa2 [tt2], tt8, and transparent testa glabra1 [ttg1]), modified its spatial pattern (tt1 and tt16), or had no influence (ttg2), thus revealing complex regulatory interactions at several developmental levels. Genetic ablation of PA-accumulating cells targeted by the BAN promoter fused to BARNASE led to the formation of normal plants that produced viable yellow seeds. Importantly, these seeds had no obvious defects in endosperm and embryo development.

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Metadata

Authors
Debeaujon, I., Nesi, N., Perez, P., Devic, M., Grandjean, O., Caboche, M., & Lepiniec, L.
Venue
The Plant Cell
Publisher
Oxford University Press (OUP)
Published
2003-10-10
Volume
15
Issue
11
Pages
2514-2531
ISSN
  • 1040-4651 (ISSN-L)
  • 1532-298X
DOI
10.1105/tpc.014043
OpenAlex
W1972433895
Cited by
437
References
38
FWCI
4.93
Type
journal article
Language
en
Open access
green

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