ArticlePloS one2014
A Mur regulator protein in the extremophilic bacterium Deinococcus radiodurans.
Article in PloS one, 2014. 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, 22 citations in OpenAlex.
- The Role of the MntABC Transporter System in the Oxidative Stress Resistance ofInternational journal of molecular sciences · 2025Article
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- Identification of the Preferred DNA-Binding Sequence and Transcription Regulatory Network for the Thermophilic Zinc Uptake Regulator TTHA1292.Journal of bacteriology · 2022Article
- MazEF Toxin-Antitoxin System-Mediated DNA Damage Stress Response inFrontiers in genetics · 2021Article
- New insights into the activation of Radiation Desiccation Response regulon inJournal of biosciences · 2021Article
- The Cation Diffusion Facilitator Family Protein EmfA Confers Resistance to Manganese Toxicity in Brucella abortus 2308 and Is an Essential Virulence Determinant in Mice.Journal of bacteriology · 2019Article
- Conservation and diversity of radiation and oxidative stress resistance mechanisms in Deinococcus species.FEMS microbiology reviews · 2019Review
- Article
- A Genome-Wide Search for Ionizing-Radiation-Responsive Elements in Deinococcus radiodurans Reveals a Regulatory Role for the DNA Gyrase Subunit A Gene's 5' Untranslated Region in the Radiation and Desiccation Response.Applied and environmental microbiology · 2017Article
- Recent progress in understanding the molecular mechanisms of radioresistance in Deinococcus bacteria.Extremophiles : life under extreme conditions · 2015Review
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ferric uptake regulator (Fur) is a transcriptional regulator that controls the expression of genes involved in the uptake of iron and manganese, as well as vital nutrients, and is essential for intracellular redox cycling. We identified a unique Fur homolog (DR0865) from Deinococcus radiodurans, which is known for its extreme resistance to radiation and oxidants. A dr0865 mutant (Mt-0865) showed a higher sensitivity to manganese stress, hydrogen peroxide, gamma irradiation and ultraviolet (UV) irradiation than the wild-type R1 strain. Cellular manganese (Mn) ion (Mn2+) analysis showed that Mn2+, copper (Cu2+), and ferric (Fe3+) ions accumulated significantly in the mutant, which suggests that the dr0865 gene is not only involved in the regulation of Mn2+ homeostasis, but also affects the uptake of other ions. In addition, transcriptome profiles under MnCl2 stress showed that the expression of many genes involved in Mn metabolism was significantly different in the wild-type R1 and DR0865 mutant (Mt-0865). Furthermore, we found that the dr0865 gene serves as a positive regulator of the manganese efflux pump gene mntE (dr1236), and as a negative regulator of Mn ABC transporter genes, such as dr2283, dr2284 and dr2523. Therefore, it plays an important role in maintaining the homoeostasis of intracellular Mn (II), and also other Mn2+, zinc (Zn2+) and Cu2+ ions. Based on its role in manganese homeostasis, DR0865 likely belongs to the Mur sub-family of Fur homolog.
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