A transcription factor coordinating internode elongation and photoperiodic signals in rice

被引：40

作者：

Gomez-Ariza, Jorge ^{[1
]}

Brambilla, Vittoria ^{[1
,2
]}

Vicentini, Giulio ^{[1
]}

Landini, Martina ^{[1
]}

Cerise, Martina ^{[1
]}

Carrera, Esther ^{[3
]}

Shrestha, Roshi ^{[1
]}

Chiozzotto, Remo ^{[2
]}

Galbiati, Francesca ^{[1
]}

Caporali, Elisabetta ^{[1
]}

Diaz, Isabel Lopez ^{[3
]}

Fornara, Fabio ^{[1
]}

机构：

[1] Univ Milan, Dept Biosci, Milan, Italy

[2] Univ Milan, Dept Agr & Environm Sci Prod Terr Agroenergy, Milan, Italy

[3] Univ Politecn Valencia, CSIC, IBMCP, Valencia, Spain

来源：

NATURE PLANTS | 2019年 / 5卷 / 04期

关键词：

GENE-EXPRESSION; GIBBERELLIN BIOSYNTHESIS; SHOOT APEX; BIOCONDUCTOR; TRANSITION; EHD1;

D O I：

10.1038/s41477-019-0401-4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

In several plant species, inflorescence formation is accompanied by stem elongation. Both processes are accelerated in rice upon perception of shortening days. Here, we show that PREMATURE INTERNODE ELONGATION 1 (PINE1), encoding a rice zinc-finger transcription factor, reduces the sensitivity of the stem to gibberellin (GA). The florigens reduce PINE1 expression to increase stem responsiveness to GA and promote flowering. These data indicate the existence of a regulatory network coordinating flowering and GA-dependent growth.

引用

页码：358 / 362

页数：5

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