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Journals and Conferences
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Deinococcus radiodurans exhibits extraordinary resistance to the lethal effect of DNA-damaging agents, a characteristic attributed to its highly proficient DNA repair capacity. Although the D. radiodurans genome is clearly devoid of recBC and addAB counterparts as RecA mediators, the genome possesses all genes associated with the RecFOR pathway. In an… (More)
The polyphenolic compound, curcumin, is a natural yellow pigment component of turmeric. It exerts various biological effects, such as anti-inflammatory effects, and we have previously demonstrated that curcumin is a specific inhibitor of DNA polymerase λ. Curcumin is characterized by poor bioavailability as it is water-insoluble, is poorly absorbed and is… (More)
Branching morphogenesis is essential for the formation of salivary glands, kidneys, lungs, and many other organs during development, but the mechanisms underlying this process are not adequately understood. Microarray and other gene expression methods have been powerful approaches for identifying candidate genes that potentially regulate branching… (More)
Orthologs of Escherichia coli ygjD and yeaZ genes are highly conserved in various organisms. The genome of the radioresistant bacterium Deinococcus radiodurans possesses single orthologs of ygjD (DR_0382) and yeaZ (DR_0756). Complete loss of either one or both genes did not result in any significant changes in cell growth efficiency, indicating that both… (More)
Here, we have developed an extremely efficient in vivo Tn5-based mutagenesis procedure to construct a Deinococcus radiodurans insertion mutant library subsequently screened for sensitivity to genotoxic agents such as γ and UV radiations or mitomycin C. The genes inactivated in radiosensitive mutants belong to various functional categories, including DNA… (More)
Cell-surface proteoglycans are involved in many functions, including interactions with components of the extracellular microenvironment. They also act as coreceptors that bind and modify the actions of various growth factors, cytokines, and the extracellular matrix (ECM). This study investigated the regulation by the ECM of the expression of cell-surface… (More)
Alkaliphilic Microbacterium sp. strain TS-1, newly isolated from the jumping spider, showed Na(+)-independent growth and motility. Here, we report the draft genome sequence of this bacterium, which may provide beneficial information for Na(+)-independent alkaline adaptation mechanisms.
Thermus thermophilus is an extremely thermophilic eubacterium that grows optimally at 70-75°C. It does not have a gene encoding O(6)-alkylguanine-DNA alkyltransferase (AGT) for the repair of O(6)-methylguanine (O(6)-meG), but it has a homologous gene atl encoding alkyltransferase-like (ATL) proteins in which the cysteine residue in the active site of the… (More)
We previously found that vitamin K3 (menadione, 2-methyl-1,4-naphthoquinone) inhibits the activity of human mitochondrial DNA polymerase (pol) γ. In this study, we focused on plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone), and chemically synthesized novel plumbagins conjugated with C2:0 to C22:6 fatty acids (5-O-acyl plumbagins). These chemically… (More)
Deinococcus grandis is a radioresistant bacterium isolated from freshwater fish in Japan. Here we reported the draft genome sequence of D. grandis (4.1 Mb), which will be useful for elucidating the common principles of radioresistance in Deinococcus species through the comparative analysis of genomic sequences.