ArticlePlant molecular biology2002
The DNA-compacting protein DCP68 from soybean chloroplasts is ferredoxin:sulfite reductase and co-localizes with the organellar nucleoid.
Article in Plant molecular biology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 41 citations in OpenAlex.
- Mitochondrial Kinases and the Role of Mitochondrial Protein Phosphorylation in Health and Disease.Life (Basel, Switzerland) · 2021Review
- NCP activates chloroplast transcription by controlling phytochrome-dependent dual nuclear and plastidial switches.Nature communications · 2019Article
- Mechanism of Dual Targeting of the Phytochrome Signaling Component HEMERA/pTAC12 to Plastids and the Nucleus.Plant physiology · 2017Article
- C-Terminal Region of Sulfite Reductase Is Important to Localize to Chloroplast Nucleoids in Land Plants.Genome biology and evolution · 2016Article
- Eukaryotic Components Remodeled Chloroplast Nucleoid Organization during the Green Plant Evolution.Genome biology and evolution · 2015Article
- Impairment in Sulfite Reductase Leads to Early Leaf Senescence in Tomato Plants.Plant physiology · 2014Article
- Dynamic composition, shaping and organization of plastid nucleoids.Frontiers in plant science · 2014Review
- Sulfite reductase protects plants against sulfite toxicity.Plant physiology · 2013Article
- Photoactivated phytochromes interact with HEMERA and promote its accumulation to establish photomorphogenesis in Arabidopsis.Genes & development · 2012Article
- Eukaryotic-type plastid nucleoid protein pTAC3 is essential for transcription by the bacterial-type plastid RNA polymerase.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Nucleoid-enriched proteomes in developing plastids and chloroplasts from maize leaves: a new conceptual framework for nucleoid functions.Plant physiology · 2012Article
- In vivo effects of NbSiR silencing on chloroplast development in Nicotiana benthamiana.Plant molecular biology · 2010Article
- Plant sulfate assimilation genes: redundancy versus specialization.Plant cell reports · 2009Review
- Evidence for base excision repair of oxidative DNA damage in chloroplasts of Arabidopsis thaliana.The Journal of biological chemistry · 2009Article
- A heterocomplex of iron superoxide dismutases defends chloroplast nucleoids against oxidative stress and is essential for chloroplast development in Arabidopsis.The Plant cell · 2008Article
- Chloroplast biogenesis: control of plastid development, protein import, division and inheritance.The arabidopsis book · 2008Article
- Localisation of Arabidopsis NDPK2--revisited.Planta · 2007Article
- pTAC2, -6, and -12 are components of the transcriptionally active plastid chromosome that are required for plastid gene expression.The Plant cell · 2006Article
- Article
- MFP1 is a thylakoid-associated, nucleoid-binding protein with a coiled-coil structure.Nucleic acids research · 2003Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The multiple copies of the chloroplast genome (plastome) are condensed and organized into nucleoids by a set of proteins. One of these, the DNA-binding protein DCP68 from soybean, has previously been shown to compact DNA and to inhibit DNA synthesis in vitro. N-terminal amino acid analysis and the absorption spectrum of the purified protein suggest that DCP68 is the siroheme protein sulfite reductase, a ferredoxin-dependent enzyme that participates in sulfur assimilation for cysteine and methionine biosynthesis. The in vivo association of this protein with chloroplast nucleoids was confirmed by immuno-colocalization with antibodies against sulfite reductase from Arabidopsis thaliana. These results suggest that DCP68 is a bifunctional chloroplast protein that participates in reductive sulfur assimilation and plays a role in organellar nucleoid organization. The fact that dephosphorylation by alkaline phosphatase affects the binding of purified DCP68 to DNA in vitro might be indicative of the way the interaction of the protein with the nucleoid is regulated in vivo.
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