Florigen sequestration in cellular membranes modulates temperature-responsive flowering (CROSBI ID 253162)
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Susila, Hendry ; Jurić, Snježana ; Liu, Lu ; Gawarecka, Katarzyna ; Chung, Kyung Sook ; Jin, Suhyun ; Kim, Soo-Jin ; Nasim, Zeeshan ; Youn, Geummin ; Suh, Mi Chung ; Yu, Hao ; Ahn, Ji Hoon
engleski
Florigen sequestration in cellular membranes modulates temperature-responsive flowering
Linking flowering to ambient temperature In the small mustard plant Arabidopsis, the florigen FLOWERING LOCUS T (FT) mobilizes to initiate flowering at the shoot apical meristem. Susila et al. now show that FT, which is produced in leaf cells, can be held in reserve if ambient temperatures are not favorable (see the Perspective by Jaillais and Parcy). At low temperatures, FT binds a membrane phosopholipid and is thus restricted in mobility. At higher temperatures, such binding is less favored, and FT is released to mobilize into the shoot apical meristem to drive flowering. Thus, temperature- sensitive lipid binding helps the plant time flowering with favorable ambient temperatures. —PJH
flowering ; florigen ; lipids ; signalling
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