2013
DOI: 10.1093/jxb/ert056
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Abstract: Strigolactones (SLs) are newly identified hormones that regulate multiple aspects of plant development, infection by parasitic weeds, and mutualistic symbiosis in the roots. In this study, the role of SLs was studied for the first time in the model plant Lotus japonicus using transgenic lines silenced for CAROTENOID CLEAVAGE DIOXYGENASE 7 (LjCCD7), the orthologue of Arabidopsis More Axillary Growth 3. Transgenic LjCCD7-silenced plants displayed reduced height due to shorter internodes, and more branched shoots… Show more

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Cited by 112 publications
(85 citation statements)
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References 75 publications
(134 reference statements)
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“…Pea (Pisum sativum) mutants deficient in BRs or GA had reduced nodulation (Ferguson et al, 2005), and SL levels were positively correlated with nodulation in pea and L. japonicus (Soto et al, 2010;Foo and Davies, 2011;Foo and Reid, 2013;Liu et al, 2013), but infection was not characterized in these studies. Our observation that CCD8 is induced in root hairs by S. meliloti taken together with the identification of SLs in M. truncatula root exudates (Liu et al, 2011) raises the possibility that SLs are secreted during infection.…”
Section: Discussionmentioning
confidence: 71%
“…Pea (Pisum sativum) mutants deficient in BRs or GA had reduced nodulation (Ferguson et al, 2005), and SL levels were positively correlated with nodulation in pea and L. japonicus (Soto et al, 2010;Foo and Davies, 2011;Foo and Reid, 2013;Liu et al, 2013), but infection was not characterized in these studies. Our observation that CCD8 is induced in root hairs by S. meliloti taken together with the identification of SLs in M. truncatula root exudates (Liu et al, 2011) raises the possibility that SLs are secreted during infection.…”
Section: Discussionmentioning
confidence: 71%
“…Nevertheless, in pea, and in normal nutritive conditions, the root system is not much affected in the SL-deficient and SL-response rms mutants (Beveridge et al, 1997a;Foo et al, 2013; data not shown). By contrast, in another legume, L. japonicus, while transgenic LjCCD7-silenced SL-deficient plants have strongly reduced internode lengths, they have roots with higher biomass and a longer primary root than wild-type plants (Liu et al, 2013). Consequently, an indirect effect of the root system on internode length is unlikely to play a major role in the SL-related mutants based purely on effects on root growth.…”
Section: Tissue Specificity Of Sl Action On Cell Divisionmentioning
confidence: 93%
“…Another phenotype of the SL-deficient and SLresponse mutants observed in various species (pea, Arabidopsis, rice, petunia, tomato [Solanum lycopersicum], and Lotus japonicus) is their shorter stature in comparison with the wild type (Beveridge et al, 1996;Napoli, 1996;Stirnberg et al, 2002;Ishikawa et al, 2005;Zou et al, 2006;Kohlen et al, 2012;Liu et al, 2013). Previously, it was shown in rice that this reduced plant height was in part a consequence of the increased branching, as manual removal of tillers in the rice htd1/d17 SL-deficient mutant led to an increase in overall plant height (Zou et al, 2006).…”
mentioning
confidence: 99%
“…1). Due to the important role of CCDs and NCEDs in plants, the identification and characterization of the genes encoding the enzymes have been carried out in various plant species (Adami et al 2013;Liu et al 2013;Ohmiya et al 2006;Simkin et al 2004a;Sun et al 2008). The Vp14 gene encoding a NCED was first identified in maize, which was involving in the biosynthesis of the phytohormone abscisic acid (ABA) precursor xanthoxin (Tan et al 1997;Woitsch and Römer 2003).…”
Section: Introductionmentioning
confidence: 99%