My favourite flowering image: the role of cytokinin as a flowering signal | Zendy

Georges Bernier | Zendy

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My favourite flowering image: the role of cytokinin as a flowering signal

Author(s) -

Georges Bernier

Publication year - 2011

Publication title -

journal of experimental botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.616

H-Index - 242

eISSN - 1460-2431

pISSN - 0022-0957

DOI - 10.1093/jxb/err114

Subject(s) - sinapis , meristem , arabidopsis , biology , botany , inflorescence , cytokinin , favourite , shoot , gene , mutant , brassica , genetics , auxin , political science , law

My favourite flowering image shows a section in a shoot apical meristem of Sinapis alba undertaking the very first step of its transition to flowering. This step is the activation of the SaSOC1 gene, the Sinapis orthologue of Arabidopsis SUPPRESSOR OF OVEREXPRESSION OF CO1 (SOC1), in a few central cells of the meristem. Hidden behind this picture is my long quest of physiological signals controlling flowering. Milestones of this story are briefly recounted here and this gives me an opportunity to raise a number of questions about the nature and function of florigen.

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