Photoperiodic control of sugar release during the floral transition: What is the role of sugars in the florigenic signal?
作者： M Isabel Ortiz-Marchena , José M Romero , Federico Valverde
DOI: 10.1080/15592324.2015.1017168
关键词: Chlamydomonas reinhardtii 、 Meristem 、 Starch 、 Arabidopsis 、 photoperiodism 、 Starch synthase 、 Botany 、 Antirrhinum majus 、 Florigen 、 Biology
摘要: Florigen is a mobile signal released by the leaves that reaching shoot apical meristem (SAM), changes its developmental program from vegetative to reproductive. The protein FLOWERING LOCUS T (FT) constitutes an important element of florigen, but other components such as sugars, have been also proposed be part this signal.1-5 We studied accumulation and composition starch during floral transition in Arabidopsis thaliana order understand role carbon mobilization process. In A. Antirrhinum majus gene coding for Granule-Bound Starch Synthase (GBSS) regulated circadian clock6,7 while green alga Chlamydomonas reinhardtii homolog CrGBSS controlled photoperiod signals.8,9 recent paper10 we described central photoperiodic factor CONSTANS (CO) regulation GBSS expression Arabidopsis. This basis change balance between free...
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