2011
DOI: 10.4161/psb.6.5.15084
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Tissue- and isoform-specific phytochrome regulation of light-dependent anthocyanin accumulation in Arabidopsis thaliana

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Cited by 24 publications
(21 citation statements)
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“…Our work here, as well as prior studies (Costigan et al 2011; Hopkins and Kiss 2012; Montgomery 2009; Warnasooriya and Montgomery 2009; Oh and Montgomery 2011; Warnasooriya et al 2011), demonstrated that the use of distinct promoters or enhancer-trap-based tools for localized BVR expression to induce phytochrome chromophore degradation results in lines with distinct disruptions in phytochrome-dependent regulation of gene expression and phytochrome-deficient phenotypes. We identified a number of genes whose expression was differentially impacted by localized phytochrome deficiencies using microarray analyses.…”
Section: Discussionsupporting
confidence: 81%
See 1 more Smart Citation
“…Our work here, as well as prior studies (Costigan et al 2011; Hopkins and Kiss 2012; Montgomery 2009; Warnasooriya and Montgomery 2009; Oh and Montgomery 2011; Warnasooriya et al 2011), demonstrated that the use of distinct promoters or enhancer-trap-based tools for localized BVR expression to induce phytochrome chromophore degradation results in lines with distinct disruptions in phytochrome-dependent regulation of gene expression and phytochrome-deficient phenotypes. We identified a number of genes whose expression was differentially impacted by localized phytochrome deficiencies using microarray analyses.…”
Section: Discussionsupporting
confidence: 81%
“…Furthermore, the use of distinct promoters or enhancer-trap-based tools for localized BVR expression is useful for the generation of lines with distinct patterns of tissue-specific phytochrome deficiencies and associated discrete phytochrome-deficient phenotypes (Costigan et al 2011; Hopkins and Kiss 2012; Montgomery 2009; Warnasooriya and Montgomery 2009; Warnasooriya et al 2011). Notably, comparative analyses of CAB3::pBVR and 35S::pBVR3 lines indicated that CAB3::pBVR seedlings, which have mesophyll-specific phytochrome depletion, exhibit elongated hypocotyls relative to No-0 WT and constitutive 35S::pBVR3 seedlings under increasing FR fluences (Warnasooriya and Montgomery 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Similar phenotypes were previously observed on replete medium at ambient temperatures. 13,41 The role of mesophyll-localized phyA, phyB and light-stable phytochromes in addition to phyB are shown here to be important additionally for regulating the induction of anthocyanins by low temperature and nutrient limitation ( Figs. 1-2; Table 1).…”
Section: Discussionmentioning
confidence: 84%
“…Tissue-specific induction of localized phytochrome deficiency has been used to provide molecular evidence for a role of cotyledon- or leaf-localized phytochromes in the regulation of hypocotyl elongation ( Montgomery, 2009 ; Warnasooriya and Montgomery, 2009 ), which had previously been observed at the physiological level using localized irradiation of plants (discussed above in Section “Microbeam Irradiation”). Additionally, the regulation of organ-specific anthocyanin accumulation was identified through targeted phytochrome ablation ( Warnasooriya et al, 2011 ). Such studies also led to insights into the roles of root-specific phytochromes and phytochrome-driven shoot–root interactions in the light-dependent regulation of root development and elongation ( Costigan et al, 2011 ; Warnasooriya and Montgomery, 2011a ; Hopkins and Kiss, 2012 ).…”
Section: Integrating Molecular Approaches Into Understanding Spatiotementioning
confidence: 99%