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, isolated from freshwater fish in JapanSato, Katsuya; Onodera, Takefumi*; Omoso, Kota*; Takeda-Yano, Kiyoko*; Katayama, Takeshi*; Ono, Yutaka; Narumi, Issey*
Genome Announcements (Internet), 4(1), p.e01631-15_1 - e01631-15_2, 2016/01
sp. ME121, isolated from soil as a mixed single colony with 
sp. 32KFujinami, Shun*; Takeda, Kiyoko*; Onodera, Takefumi*; Sato, Katsuya; Shimizu, Tetsu*; Wakabayashi, Yu*; Narumi, Issey*; Nakamura, Akira*; Ito, Masahiro*
Genome Announcements (Internet), 3(5), p.e01005-15_1 - e01005-15_2, 2015/09
sp. strain TCA20, isolated from a hot spring containing a high concentration of calcium ionsFujinami, Shun*; Takeda, Kiyoko*; Onodera, Takefumi*; Sato, Katsuya; Sano, Motohiko*; Takahashi, Yuka*; Narumi, Issey*; Ito, Masahiro*
Genome Announcements (Internet), 2(5), p.e00866-14_1 - e00866-14_2, 2014/09
sp. strain TS-2, isolated from a jumping spiderFujinami, Shun*; Takeda, Kiyoko*; Onodera, Takefumi*; Sato, Katsuya; Sano, Motohiko*; Narumi, Issey*; Ito, Masahiro*
Genome Announcements (Internet), 2(3), p.e00458-14_1 - e00458-14_2, 2014/05
Nunoshiba, Tatsuo*; Sakata, Yayoi*; Yamauchi, Ayako*; Sato, Katsuya; Onodera, Takefumi*; Narumi, Issey*
JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 118, 2014/03
Sato, Katsuya; Onodera, Takefumi*; Takeda, Kiyoko; Narumi, Issey*
JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 110, 2014/03
and 
Onodera, Takefumi*; Sato, Katsuya; Ota, Toshihiro*; Narumi, Issey*
JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 111, 2014/03
sp. strain TS-1Fujinami, Shun*; Takeda, Kiyoko; Onodera, Takefumi*; Sato, Katsuya; Sano, Motohiko*; Narumi, Issey*; Ito, Masahiro*
Genome Announcements (Internet), 1(6), P. e01043-13, 2013/12
YgjD and YeaZ are involved in the repair of DNA cross-linksOnodera, Takefumi; Sato, Katsuya; Ota, Toshihiro*; Narumi, Issei
Extremophiles, 17(1), p.171 - 179, 2013/01
Times Cited Count：10 Percentile：24.23(Biochemistry & Molecular Biology)Nunoshiba, Tatsuo*; Hirasawa, Yukei*; Yamauchi, Ayako*; Sato, Katsuya; Tejima, Kohei*; Onodera, Takefumi; Narumi, Issei
JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 111, 2013/01
Sato, Katsuya; Tejima, Kohei*; Onodera, Takefumi; Narumi, Issei
JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 103, 2013/01
and 
orthologs, in DNA repair of Onodera, Takefumi; Sato, Katsuya; Ota, Toshihiro*; Narumi, Issei
JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 104, 2013/01
RecFOR proteins in homologous recombinationSato, Katsuya; Kikuchi, Masahiro; Ishaque, A. M.*; Oba, Hirofumi*; Yamada, Mitsugu; Tejima, Kohei; Onodera, Takefumi; Narumi, Issei
DNA Repair, 11(4), p.410 - 418, 2012/04
Times Cited Count：28 Percentile：60.28(Genetics & Heredity)In an effort to gain insights into the role of 
RecFOR proteins in homologous recombination, we generated 
, 
and 
disruptant strains and characterized the disruption effects. Disruption of resulted in severe reduction of the transformation efficiency. On the other hand, the disruptant strain was the most sensitive phenotype to 
rays, UV irradiation and mitomycin C among the three disruptants. In the disruptant strain, the intracellular level of the LexA1 protein did not decrease following irradiation. These results demonstrate that the RecF protein plays a crucial role in the homologous recombination repair process by facilitating RecA activation. Thus, the RecF and RecR proteins are involved in the RecA activation and the stability of incoming DNA, respectively, during RecA-mediated homologous recombination processes that initiated the ESDSA pathway in .
Sato, Katsuya; Tejima, Kohei; Onodera, Takefumi; Narumi, Issei
JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 106, 2012/01
and orthologs, in DNA repair of Onodera, Takefumi; Sato, Katsuya; Narumi, Issei; Ota, Toshihiro*
JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 107, 2012/01
Onodera, Takefumi; Narumi, Issei
Nihon Biseibutsu Seitai Gakkai-Shi, 26(2), p.75 - 77, 2011/09
no abstracts in English
/ gene familyOnodera, Takefumi; Nakamura, Akira*; Sato, Katsuya; Ota, Toshihiro*; Narumi, Issei
no journal, ,
no abstracts in English
gene, an unknown-essential gene common to living organismsKitahara, Kazumasa*; Onodera, Takefumi; Hoshino, Takayuki*; Narumi, Issei; Nakamura, Akira*
no journal, ,
no abstracts in English
and Onodera, Takefumi*; Sato, Katsuya; Narumi, Issey*; Ota, Toshihiro*
no journal, ,
It was recently reported that the and orthologs were related to DNA metabolism, mitochondrial DNA maintenance and transcriptional regulation. However, their functions are still poorly understood. and 
possess the both orthologs hereafter 
, 
, 
and 
, respectively. We have reported that the and disruptants show extreme sensitivity to mitomycin C (MMC), which causes interstrand DNA cross-links. In this study, we constructed and gene expression plasmids and the resultant plasmids were introduced into the and disruptant strains. To investigate whether and orthologs share the common function in and 
, these generated strains were challenged by MMC.
Sato, Katsuya; Onodera, Takefumi*; Takeda, Kiyoko; Narumi, Issey*
no journal, ,
In this study, we investigated mutant frequencies of two different antibiotic-resistant mutants for carbon ion beams in and identified the mutation sites in the streptomycin-resistant (Sm
) mutants. The Sm mutant frequencies increased depending on radiation dose. It seems that this dose range is the best dose to generate the mutants of interest for research and breeding purpose. Four kinds of mutation sites at the 
locus were determined from 8 Sm mutants. These mutations cause amino acid substitutions at position 43 (Lys to Thr or Arg) and 88 (Lys to Glu or Arg) in the S12 protein, respectively. The two hot spots at Lys43 and Lys88 in the S12 protein might be a binding target of streptomycin or adjacent to the center of streptomycin interaction with the ribosome.
