2013
DOI: 10.1104/pp.112.212282
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Identification of Direct Targets of FUSCA3, a Key Regulator of Arabidopsis Seed Development      

Abstract: FUSCA3 (FUS3) is a B3 domain transcription factor that is a member of the LEAFY COTYLEDON (LEC) group of genes. The LEC genes encode proteins that also include LEC2, a B3 domain factor related to FUS3, and LEC1, a CCAAT box-binding factor. LEC1, LEC2, and FUS3 are essential for plant embryo development. All three loss-of-function mutants in Arabidopsis (Arabidopsis thaliana) prematurely exit embryogenesis and enter seedling developmental programs. When ectopically expressed, these genes promote embryo programs… Show more

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Cited by 205 publications
(250 citation statements)
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References 79 publications
(168 reference statements)
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“…In this model, and in addition to miR156, miRNA166 is also relevant since one of its target genes, PHB, is a direct activator of LEC2 (Tang et al 2012), revealing a regulatory module consisting of a miRNA, its target genes (PHB and PHV), and a direct target of PHB (LEC2). Additionally, FUS3 is involved in feedback regulation of the activation network through its direct targets AGL15, MYB118 and miRNA156 encoding gene (Wang and Perry 2013). By searching available resources and performing phylogenetic analyses a list of AFL ortologues in the plant kingdom has been produced and allowed to conclude that the core function of the AFL network is conserved among Spermatophyte (Devic and Roscoe 2016).…”
Section: Micrornas As Components Of Gene Regulatory Network In Seed mentioning
confidence: 99%
“…In this model, and in addition to miR156, miRNA166 is also relevant since one of its target genes, PHB, is a direct activator of LEC2 (Tang et al 2012), revealing a regulatory module consisting of a miRNA, its target genes (PHB and PHV), and a direct target of PHB (LEC2). Additionally, FUS3 is involved in feedback regulation of the activation network through its direct targets AGL15, MYB118 and miRNA156 encoding gene (Wang and Perry 2013). By searching available resources and performing phylogenetic analyses a list of AFL ortologues in the plant kingdom has been produced and allowed to conclude that the core function of the AFL network is conserved among Spermatophyte (Devic and Roscoe 2016).…”
Section: Micrornas As Components Of Gene Regulatory Network In Seed mentioning
confidence: 99%
“…The VAL proteins have a B3 DNA-binding domain that is proposed to recognize RY elements (Suzuki et al, 2007). Since MIR156A and MIR156C contain RY motifs (Wang and Perry, 2013), we reasoned that they might be targets of the VAL proteins. To investigate this, we first analyzed the expression levels of the pri-MIR156s in val1/2 mutants and compared them with the levels in wild-type and strong atbmi1a/b seedlings at 10 DAG (Fig.…”
Section: The Levels Of H2aub and H3k27me3 Marks In Atbmi1mentioning
confidence: 99%
“…Among these genes, MIR156A and MIR156C were recently shown to be direct targets of the seed maturation gene FUS3. FUS3 activates MIR156A/C expression during seed development, and this expression is important after germination to delay the juvenile-to-adult vegetative phase transition (Wang and Perry, 2013). MIR156A and MIR156C contain RY elements at their 59 end and into/through the gene, which are DNA elements specifically recognized by the B3 DNA-binding domain of FUS3 (Wang and Perry, 2013).…”
Section: Atbmi1a/b Mutants Have An Extended Juvenile Phasementioning
confidence: 99%
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“…17 Together with ABI3/ABI5/DELLA complex, FUS3 regulates the expression of heat-induced genes to promote thermoinhibition. 13,18,19 It will be important to determine if the accumulation of the ABI3/ABI5/DELLA complex at high temperature is also due to inhibition of proteasome activity by ABA. Given that GA partially rescues thermoinhibition and increases FUS3 degradation, it is expected that GA would have a stimulatory effect on proteasome activity and protein ubiquitination during germination, by antagonizing ABA action.…”
mentioning
confidence: 99%