Advances in Photosynthesis - Fundamental Aspects 2012
DOI: 10.5772/29161
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Carotenoids and Photosynthesis - Regulation of Carotenoid Biosyntesis by Photoreceptors

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Cited by 22 publications
(23 citation statements)
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“…We observed that all Dclcyb1 tobacco lines showed a 2–2.2-fold increase in chlorophyll a ( Table 1 ), consistent with coordinate regulation of carotenoid and chlorophyll synthesis ( Toledo-Ortiz et al , 2010 ; Cheminant et al , 2011 ; Stange and Flores, 2011 ). To gain additional insights into the consequences of the increase in chlorophyll levels, we measured the F v /F m ratio, which reflects photosynthetic efficiency in terms of chlorophyll fluorescence.…”
Section: Resultssupporting
confidence: 75%
See 1 more Smart Citation
“…We observed that all Dclcyb1 tobacco lines showed a 2–2.2-fold increase in chlorophyll a ( Table 1 ), consistent with coordinate regulation of carotenoid and chlorophyll synthesis ( Toledo-Ortiz et al , 2010 ; Cheminant et al , 2011 ; Stange and Flores, 2011 ). To gain additional insights into the consequences of the increase in chlorophyll levels, we measured the F v /F m ratio, which reflects photosynthetic efficiency in terms of chlorophyll fluorescence.…”
Section: Resultssupporting
confidence: 75%
“…Additionally, tobacco lines possess a significant increase in chlorophyll a content ( Table 1 ). Such a concomitant increment in carotenoid and chlorophyll content has also been reported in leaves of carrot that overexpress Dclcyb1 ( Moreno et al , 2013 ) and in seeds of Arabidopsis that express psy ( Lindgren et al , 2003 ), which suggests a direct crosstalk between the carotenoid and chlorophyll pathways (revised in Stange and Flores, 2011 ). Furthermore, pds gene silencing in tobacco plants reduces both chlorophyll and carotenoid content, but also causes albinism, and PS II malfunction ( Wang et al , 2009 ).…”
Section: Discussionmentioning
confidence: 63%
“…6 It is known that carotenoid biosynthesis genes and other photosynthesis-related genes are co-expressed. 36 In tobacco seedlings (Nicotiana tabacum 'Samsun'), the chlorophyll biosynthesis gene protoporphyrinogen IX oxidase (PPOX) was induced together with carotenoid biosynthesis genes during the de-etiolation process. In the same study, the expression pattern of a light-harvesting protein of photosystem II resembled the transcript patterns of ZEP and β-OHASE.…”
Section: Discussionmentioning
confidence: 99%
“…Carotenoids are colored lipid-soluble molecules that act as accessory pigments and have photoprotective functions during photosynthesis ( Telfer, 2005 ; Stange and Flores, 2012 ). They also protect cells from excessive light energy through thermal dissipation and supply substrates for the biosynthesis of the plant growth regulator abscisic acid (ABA) ( Crozier et al , 2000 ) and of strigolactones ( Moreno Beltran and Stange, 2016 ).…”
Section: Introductionmentioning
confidence: 99%