2016
DOI: 10.1104/pp.16.00405
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SUPPRESSOR OF PHYTOCHROME B4-#3 Represses Genes Associated with Auxin Signaling to Modulate Hypocotyl Growth

Abstract: Developing seedlings are well equipped to alter their growth in response to external factors in order to maximize their chances of survival. SUPPRESSOR OF PHYTOCHROME B4-#3 (SOB3) and other members of the AT-HOOK MOTIF CONTAINING NUCLEAR LOCALIZED (AHL) family of transcription factors modulate the development of Arabidopsis (Arabidopsis thaliana) by repressing hypocotyl elongation in young seedlings growing in light. However, the molecular mechanism behind how AHLs influence seedling development is largely unk… Show more

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Cited by 35 publications
(65 citation statements)
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References 114 publications
(199 reference statements)
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“…Such findings were reported by various researchers (Allen et al, 2005;Wang et al, 2012;Ghani et al, 2013). Phytochrome c is an important chromoprotein that is involved in auxin signaling for plant elongation (Favero et al, 2016) targeted by miR-164. Similarly, miR-3434 targeted MAP kinase.…”
Section: Potential Targets Of the Genus Coffeamentioning
confidence: 51%
“…Such findings were reported by various researchers (Allen et al, 2005;Wang et al, 2012;Ghani et al, 2013). Phytochrome c is an important chromoprotein that is involved in auxin signaling for plant elongation (Favero et al, 2016) targeted by miR-164. Similarly, miR-3434 targeted MAP kinase.…”
Section: Potential Targets Of the Genus Coffeamentioning
confidence: 51%
“…Auxin, brassinosteroid (BR), and gibberellin (GA) hormone pathways all play major roles in regulating cell expansion (reviewed in Depuydt and Hardtke, ). However, of these three hormones, only one of them, auxin, has been directly connected to SOB3 function (Favero et al ., ). SOB3 inhibits the expression of genes associated with the auxin pathway, including YUCCA8 ( YUC8 ) and members of the SMALL AUXIN UP RNA19 ( SAUR19 ) subfamily (Favero et al ., ).…”
Section: Introductionmentioning
confidence: 97%
“…Although one member of the AHL family, AT‐HOOK PROTEIN OF GA FEEDBACK1 ( AGF1 )/ AHL25, has been implicated in negative feedback regulation of a gene coding for a GA 3‐oxidase, which is involved in biosynthesis of this hormone (Matsushita et al ., ), connections between this family of TFs and BRs have not yet been studied. However, such a connection is likely to exist, as RNA‐seq data indicate that SAUR19 subfamily member transcription is influenced by BR signaling (Oh et al ., ), and these genes are also directly repressed by SOB3 (Favero et al ., ). Additionally, a connection between BRs and AHLs is further suggested by the fact that ESC/AHL27 and AHL12 interact physically with ATAF2 (Zhao et al ., ).…”
Section: Introductionmentioning
confidence: 97%
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