2002
DOI: 10.1093/emboj/cdf614
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Abstract: contributed equally to this workThe struwwelpeter (swp) mutant in Arabidopsis shows reduced cell numbers in all aerial organs. In certain cases, this defect is partially compensated by an increase in ®nal cell size. Although the mutation does not affect cell cycle duration in the young primordia, it does in¯uence the window of cell proliferation, as cell number is reduced during the very early stages of primordium initiation and a precocious arrest of cell proliferation occurs. In addition, the mutation also p… Show more

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Cited by 213 publications
(185 citation statements)
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“…For Med3, only the Arabidopsis homolog showed up-regulation in the S9 and S10 stages of seed development. In Arabidopsis, SWP (Med14) has been shown to interact with the corepressor LEUING (Gonzalez et al, 2007) and its expression levels are important in defining the duration of cell proliferation during leaf development; thus, it plays a role in pattern formation at the meristem (Autran et al, 2002) as well as in the regulation of root elongation by repressing the root-specific gene Lateral Root Primordium1 via histone deacetylation (Krichevsky et al, 2009). We identified two Med14 paralogs in rice, of which only OsMed14_1 had significant differential expression in some reproductive substages (P1, P4, S1, and S3) with respect to both the vegetative controls.…”
Section: Expression Profile Of the Core Module Genes During Reproductmentioning
confidence: 99%
“…For Med3, only the Arabidopsis homolog showed up-regulation in the S9 and S10 stages of seed development. In Arabidopsis, SWP (Med14) has been shown to interact with the corepressor LEUING (Gonzalez et al, 2007) and its expression levels are important in defining the duration of cell proliferation during leaf development; thus, it plays a role in pattern formation at the meristem (Autran et al, 2002) as well as in the regulation of root elongation by repressing the root-specific gene Lateral Root Primordium1 via histone deacetylation (Krichevsky et al, 2009). We identified two Med14 paralogs in rice, of which only OsMed14_1 had significant differential expression in some reproductive substages (P1, P4, S1, and S3) with respect to both the vegetative controls.…”
Section: Expression Profile Of the Core Module Genes During Reproductmentioning
confidence: 99%
“…It is conceivable that cell numbers in a plant organ could be determined in several different ways: (1) the frequency of cell proliferation; (2) the duration of cell proliferation; and (3) the number of cells in the primordial cell pool (Autran et al, 2002). Studies on many genes that are involved in cell proliferation during organogenesis suggest that most of those genes seem to control cell numbers by changing the duration of cell proliferation rather than its rate, regardless of their role as positive or negative regulators.…”
Section: Mechanisms By Which Gif Genes Regulate Cell Proliferation Dumentioning
confidence: 99%
“…Some of these genes, such as AINTEGUMENTA (ANT), KLUH (KLU), and STRUWWELPETER (SWP), play positive roles (i.e. their loss-of-function mutants developed small lateral organs due to a reduction in cell numbers; Mizukami and Fischer, 2000;Autran et al, 2002;Anastasiou et al, 2007). On the other hand, overexpressors of those genes have bigger organs resulting from more cells, although the SWP overexpressors resulted in smaller organs despite there being more cells, because of smaller cell size.…”
mentioning
confidence: 99%
“…For instance, MED16 (Mediator subunit 16), was reported as essential for salicylic acid (SA) and JA signaling pathways involved in cold tolerance, flowering control and circadian rhythm (Knight et al, 1999(Knight et al, , 2008(Knight et al, , 2009. MED14 was involved in leaf development and leaf cell proliferation (Autran et al, 2002) and MED33 was required for phenylpropanoid homeostasis (Bonawitz et al, 2012). MED25 was important for plant disease resistance, flowering and organ size (Cerdan and Chory, 2003;Kidd et al, 2009;Xu and Li, 2011), whereas MED17, MED18 and MED20 in the head module affected micro-RNA production .…”
Section: Introductionmentioning
confidence: 99%