ArticlePlant physiology2005
Differential expression of the Arabidopsis cytochrome c genes Cytc-1 and Cytc-2. Evidence for the involvement of TCP-domain protein-binding elements in anther- and meristem-specific expression of the Cytc-1 gene.
Article in Plant physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed, 95 citations in OpenAlex.
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- The Complexity of Mitochondrial Complex IV: An Update of Cytochrome c Oxidase Biogenesis in Plants.International journal of molecular sciences · 2018Review
- Single-Base Resolution Map of Evolutionary Constraints and Annotation of Conserved Elements across Major Grass Genomes.Genome biology and evolution · 2018Article
- Allelic variants of OsSUB1A cause differential expression of transcription factor genes in response to submergence in rice.Rice (New York, N.Y.) · 2018Article
- New Method Application for Marker-Trait Association Studies in Plants: Partial Least Square Regression Aids Detection of Simultaneous Correlations.Agricultural research & technology : open access journal · 2017Article
- Distinctive features and differential regulation of the DRTS genes of Arabidopsis thaliana.PloS one · 2017Article
- Genome-wide identification and analysis of rice genes preferentially expressed in pollen at an early developmental stage.Plant molecular biology · 2016Article
- Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea.Scientific reports · 2016Article
- Identification and Comparative Analysis of H2O2-Scavenging Enzymes (Ascorbate Peroxidase and Glutathione Peroxidase) in Selected Plants Employing Bioinformatics Approaches.Frontiers in plant science · 2016Article
- Complementary Activities of TELOMERE REPEAT BINDING Proteins and Polycomb Group Complexes in Transcriptional Regulation of Target Genes.The Plant cell · 2016Article
- The rice transcription factor OsWRKY47 is a positive regulator of the response to water deficit stress.Plant molecular biology · 2015Article
- The Arabidopsis thaliana TCP transcription factors: A broadening horizon beyond development.Plant signaling & behavior · 2015Review
- The Arabidopsis COX11 Homolog is Essential for Cytochrome c Oxidase Activity.Frontiers in plant science · 2015Article
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2 authors at 1 institution in 1 country.
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Abstract
The promoters of the Arabidopsis (Arabidopsis thaliana) cytochrome c genes, Cytc-1 and Cytc-2, were analyzed using plants transformed with fusions to the beta-glucuronidase coding sequence. Histochemical staining of plants indicated that the Cytc-1 promoter directs preferential expression in root and shoot meristems and in anthers. In turn, plants transformed with the Cytc-2 promoter fusions showed preferential expression in vascular tissues of cotyledons, leaves, roots, and hypocotyls, and also in anthers. Quantitative measurements in extracts prepared from different organs suggested that expression of Cytc-1 is higher in flowers, while that of Cytc-2 is higher in leaves. The analysis of a set of deletions and site-directed mutants of the Cytc-1 promoter indicated that a segment located between -147 and -156 from the translation start site is required for expression and that site II elements (TGGGCC/T) located in this region, coupled with a downstream internal telomeric repeat (AAACCCTAA), are responsible for the expression pattern of this gene. Proteins present in cauliflower nuclear extracts, as well as a recombinant protein from the TCP-domain family, were able to specifically bind to the region required for expression. We propose that expression of the Cytc-1 gene is linked to cell proliferation through the elements described above. The fact that closely located site II motifs are present in similar locations in several genes encoding proteins involved in cytochrome c-dependent respiration suggests that these elements may be the target of factors that coordinate the expression of nuclear genes encoding components of this part of the mitochondrial respiratory chain.
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