ArticleCommunicative & integrative biology2012
In silico characterization of a nitrate reductase gene family and analysis of the predicted proteins from the moss Physcomitrella patens.
Article in Communicative & integrative biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 20 citations in OpenAlex.
- A Review of Bryophytes: Enzymatic and Non-Enzymatic Antioxidants as a Key for Their Pharmacological Potential and Green-Biotechnological Application.Antioxidants (Basel, Switzerland) · 2025Review
- Fast-track transformation and genome editing in Brachypodium distachyon.Plant methods · 2023Article
- Expression of novel nitrate reductase genes in the harmful alga, Chattonella subsalsa.Scientific reports · 2018Article
- The nitric oxide production in the moss Physcomitrella patens is mediated by nitrate reductase.PloS one · 2015Article
- Understanding nitrate assimilation and its regulation in microalgae.Frontiers in plant science · 2015Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Assimilatory nitrate reductase (NR; EC 1.7.1.1-3) catalyzes the reduction of nitrate to nitrite. This enzyme has a conserved structure common to fungi, algae and plants. However, some differences in the amino acid sequence between plant and algal NR suggest that the activity regulation mechanisms have changed during plant evolution. Since only NRs from angiosperms have been studied, the search and analysis of NR genes and proteins from the moss Physcomitrella patens, a basal land plant, was performed to widen the knowledge of land plant NR structure. A family of three nr genes, named ppnia1;1, ppnia1;2 and ppnia2, was localized in the P. patens genome. The predicted proteins are canonical NRs with the conserved domains Molybdene-Cytochorme b -Cytochrome b reductase and possess 20 amino acid residues important for the enzymatic function conserved in plant and algal NRs. Interestingly, moss NRs lack a consensus sequence, common to angiosperm NRs, that is a target for posttranslational regulation. A phylogenetic tree with embryophyte and green algae NR sequences was constructed and P. patens NRs localized at the base of embryophyte NR evolution. The data presented here suggest that bryophytes and vascular plants have different systems to regulate NR activity.
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