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2012 | 59 | 1 | 57-60
Article title

Variations in xanthophyll composition in etiolated seedlings of Arabidopsis thaliana correlate with protochlorophyllide accumulation

Content
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EN
Abstracts
EN
Protochlorophyllide (Pchlide) accumulation and xantophyll composition were studied in 5-day old etiolated seedlings of three ecotypes of Arabidopsis thaliana: Columbia (Col-0), Landsberg erecta (Ler) and Wassiliewska (Ws). The total Pchlide level as measured by fluorescence spectroscopy varied significantly between ecotypes. A rapid HPLC method revealed quantitative differences in carotenoid composition. It was found that in the Ler ecotype any enhanced accumulation of Pchlide correlates with an increased level of lutein, suggesting the role of enzymes involved in lutein synthesis in cross-regulation between chlorophyll and carotenoid biosynthetic pathways. The function of the dark-accumulated carotenoid pool in seedling de-etiolation is discussed.
Year
Volume
59
Issue
1
Pages
57-60
Physical description
Dates
published
2012
received
2011-10-19
accepted
2012-03-01
(unknown)
2012-03-17
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-abpv59p57kz
Identifiers
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