ArticlePlant molecular biology2001
Identification of short promoter regions involved in the transcriptional expression of the nitrate reductase gene in Chlamydomonas reinhardtii.
Article in Plant molecular biology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 24 citations in OpenAlex.
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- Article
- Polycytidylation of mitochondrial mRNAs in Chlamydomonas reinhardtii.Nucleic acids research · 2017Article
- Genome-wide analysis of heat shock proteins in C4 model, foxtail millet identifies potential candidates for crop improvement under abiotic stress.Scientific reports · 2016Article
- Rice and chickpea GDPDs are preferentially influenced by low phosphate and CaGDPD1 encodes an active glycerophosphodiester phosphodiesterase enzyme.Plant cell reports · 2016Article
- JAZ Repressors: Potential Involvement in Nutrients Deficiency Response in Rice and Chickpea.Frontiers in plant science · 2015Article
- Characterization of putative cis-regulatory elements in genes preferentially expressed in Arabidopsis male meiocytes.BioMed research international · 2014Article
- Identification of novel motif patterns to decipher the promoter architecture of co-expressed genes in Arabidopsis thaliana.BMC systems biology · 2013Article
- Characterization of an internal type-II NADH dehydrogenase from Chlamydomonas reinhardtii mitochondria.Current genetics · 2012Article
- A type II NAD(P)H dehydrogenase mediates light-independent plastoquinone reduction in the chloroplast of Chlamydomonas.Proceedings of the National Academy of Sciences of the United States of America · 2008Article
- ND3 and ND4L subunits of mitochondrial complex I, both nucleus encoded in Chlamydomonas reinhardtii, are required for activity and assembly of the enzyme.Eukaryotic cell · 2006Article
- Establishing glucose- and ABA-regulated transcription networks in Arabidopsis by microarray analysis and promoter classification using a Relevance Vector Machine.Genome research · 2006Article
- Regulation of the alternative oxidase Aox1 gene in Chlamydomonas reinhardtii. Role of the nitrogen source on the expression of a reporter gene under the control of the Aox1 promoter.Plant physiology · 2003Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In Chlamydomonas reinhardtii, the expression of the Nia1 gene encoding NAD(P)H nitrate reductase is controlled at the transcriptional level, positively by light and negatively by ammonium. Previous work has shown that the region -279 to +269 with respect to the start site of transcription was sufficient to confer regulated expression of a promoterless arylsulfatase (Ars) reporter gene. To understand the mechanisms underlying this regulation, the -279 to +2 sequence was analysed for the presence of ammonium-responsive elements using either pJD54 (promoterless Ars gene) or pJD100 (minimal beta-tubulin promoter-driven Ars gene). The region lying between -195 and -120 was shown to be dispensable. Essential responsive elements were found in four distinct regions between -231 and -219, -120 and -100, -76 and -65 and -33 and -8. Each of these sequences is required for maximal expression in the absence of ammonium and a conserved GGA/TAGGGT motif is present in two of these regions. Several deletions within the region -33 to -77 were shown to partially relieve the transformants from the negative effect of ammonium. These experiments demonstrate that Nia1 expression is promoted by at least four elements between -231 and -8 and suggest that part of the repression by ammonium takes place through a proximal element located in the -51 to -33 sequence.
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