ArticlePlant molecular biology2009
Parallel pigment and transcriptomic analysis of four barley albina and xantha mutants reveals the complex network of the chloroplast-dependent metabolism.
Article in Plant molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 19 citations in OpenAlex.
- Specific light-harvesting complexes mediate grana stacking and prevent energy spillover between photosystems in plant chloroplasts.The Plant cell · 2026Article
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- A point mutation in the photosystem I P700 chlorophyll a apoprotein A1 gene confers variegation in Helianthus annuus L.Plant molecular biology · 2020Article
- Photoprotection and growth under different lights of Arabidopsis single and double mutants for energy dissipation (npq4) and state transitions (pph1).Plant cell reports · 2019Article
- Candidate Genes for Yellow Leaf Color in Common Wheat (International journal of molecular sciences · 2018Article
- Biochemical and Spectroscopic Characterization of Highly Stable Photosystem II Supercomplexes from Arabidopsis.The Journal of biological chemistry · 2016Article
- Transcriptomic and proteomic analyses of a pale-green durum wheat mutant shows variations in photosystem components and metabolic deficiencies under drought stress.BMC genomics · 2014Article
- Anatomical and physiological differences and differentially expressed genes between the green and yellow leaf tissue in a variegated chrysanthemum variety.Molecular biotechnology · 2013Article
- Article
- Excitation energy transfer and trapping in higher plant Photosystem II complexes with different antenna sizes.Biophysical journal · 2011Article
- Reactive oxygen species and transcript analysis upon excess light treatment in wild-type Arabidopsis thaliana vs a photosensitive mutant lacking zeaxanthin and lutein.BMC plant biology · 2011Article
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Authors and funding
7 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigated the pigment composition and the transcriptome of albina (alb-e ( 16 ) and alb-f ( 17 )) and xantha (xan-s ( 46 ) and xan-b ( 12 )) barley mutants to provide an overall transcriptional picture of genes whose expression is interconnected with chloroplast activities and to search for candidate genes associated with the mutations. Beside those encoding plastid-localized proteins, more than 3,000 genes involved in non-chloroplast localized metabolism were up-/down-regulated in the mutants revealing the network of chloroplast-dependent metabolic pathways. The alb-e ( 16 ) mutant was characterized by overaccumulation of protoporphyrin IX upon ALA (5-amino levulinic acid) feeding and down-regulation of the gene encoding one subunit of Mg-chelatase, suggesting a block of the chlorophyll biosynthetic pathway before Mg-protoporphyrin IX biosynthesis, while alb-f ( 17 ) overaccumulated Mg-protoporphyrin IX and repressed PorA expression, without alterations in Mg-chelatase mRNA level. The alb-f ( 17 )mutant also showed overexpression of several genes involved in phytochrome and in phytochrome-dependent pathways. The results indicate that the down-regulation of Lhcb genes in alb-e ( 16 ) cannot be mediated by the accumulation of Mg-protoporphyrin IX. After ALA treatment, xan-s ( 46 ) showed overaccumulation of Mg-protoporphyrin IX, while the relative porphyrin composition of xan-b ( 12 ) was similar to wild type. The transcripts encoding the components of several mitochondrial metabolic pathways were up-regulated in albina/xantha leaves to compensate for the absence of active chloroplasts. The mRNAs encoding gun3, gun4, and gun5 barley homologous genes showed significant expression variations and were used to search for co-expressed genes across all samples. These analyses provide additional evidences on a chloroplast-dependent covariation of large sets of nuclear genes.
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