Matches in SemOpenAlex for { <https://semopenalex.org/work/W3207050790> ?p ?o ?g. }
- W3207050790 abstract "Abstract - Shoot branching, a major component of shoot architecture, is regulated by multiple signals. Previous studies have indicated that sucrose may promote branching through suppressing the inhibitory effect of the hormone strigolactone (SL). However, the molecular mechanisms underlying this effect are unknown. - Here we used molecular and genetic tools to identify the molecular targets underlying the antagonistic interaction between sucrose and SL. - We showed that sucrose antagonises the suppressive action of SL on tillering in rice and on the degradation of D53, a major target of SL signalling. Sucrose inhibits the expression of D3 , the orthologue of the arabidopsis F-box protein MAX2 required for SL signalling. Over-expression of D3 prevents sucrose from inhibiting D53 degradation and enabled the SL inhibition of tillering under high sucrose. Sucrose also prevents SL-induced degradation of D14, the SL receptor involved in D53 degradation. Interestingly, D14 over-expression enhances D53 protein levels and sucrose-induced tillering. - Our results show that sucrose inhibits SL perception by targeting key components of SL signalling and, together with previous studies reporting the inhibition of SL synthesis by nitrate and phosphate, demonstrate the central role played by strigolactones in the regulation of plant architecture by nutrients." @default.
- W3207050790 created "2021-10-25" @default.
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- W3207050790 date "2020-11-11" @default.
- W3207050790 modified "2023-10-17" @default.
- W3207050790 title "Sucrose promotes D53 accumulation and tillering in rice" @default.
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- W3207050790 doi "https://doi.org/10.1101/2020.11.10.377549" @default.
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