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Journal Articles

The Effects of ion beam irradiation on variation in the M$$_{1}$$ generation of two strains of ${{it Delphinium grandiflorum}}$ var. ${{it chinense}}$

Honda, Kazushige*; Taneichi, Shuhei*; Maeda, Tomoo*; Goto, Satoshi*; Shikanai, Yasuhiro*; Sasaki, Kazuya*; Nozawa, Shigeki; Hase, Yoshihiro

JAEA-Review 2015-022, JAEA Takasaki Annual Report 2014, P. 107, 2016/02

no abstracts in English

Journal Articles

Modification of cesium absorption in plants and microorganisms by the ion-beam breeding technology

Ono, Yutaka; Hase, Yoshihiro; Sato, Katsuya; Nozawa, Shigeki; Narumi, Issey*

Hoshasen To Sangyo, (138), p.17 - 20, 2015/06

no abstracts in English

Journal Articles

Effects of carbon-ion irradiation on the morphology and growth in the local green soybean "Kemame" in Aomori Prefecture

Kawasaki, Michio*; Kikyo, Shogo*; Nozawa, Shigeki; Akita, Yusuke*; Hase, Yoshihiro; Narumi, Issey*

Nihon Sakumotsu Gakkai Tohoku Shibu Kaiho, (57), p.61 - 62, 2014/12

no abstracts in English

Journal Articles

Ion beam breeding of rice for the mutation breeding project of the Forum for Nuclear Cooperation in Asia (FNCA)

Tanaka, Atsushi; Nozawa, Shigeki; Hase, Yoshihiro; Narumi, Issey*; Ishikawa, Hidetaka*; Koike, Aki*

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 103, 2014/03

Journal Articles

Determination of the carbon ion beam irradiation condition for barley

Iimure, Takashi*; Hoki, Takehiro*; Hase, Yoshihiro; Nozawa, Shigeki; Narumi, Issey*; Kihara, Makoto*; Ogushi, Kensuke*

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 109, 2014/03

Journal Articles

Molecular analysis of heavy ion induced mutations in budding yeast ${it S. cerevisiae}$

Matsuo, Yoichiro*; Izumi, Yoshinobu*; Hase, Yoshihiro; Sakamoto, Ayako; Nozawa, Shigeki; Narumi, Issey*; Shimizu, Kikuo*

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 112, 2014/03

Journal Articles

Mutational effects of carbon ions near the range end in Arabidopsis

Hase, Yoshihiro; Nozawa, Shigeki; Narumi, Issey*

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 105, 2014/03

Journal Articles

Development of ion beam breeding technology in plants and creation of useful plant resources

Hase, Yoshihiro; Nozawa, Shigeki; Asami, Itsuo*; Tanogashira, Yuki*; Matsuo, Yoichi*; Kanazawa, Akira*; Honda, Kazushige*; Narumi, Issey*

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 102, 2014/03

Journal Articles

Generating new chrysanthemum plant varieties using ion beams

Zaiton, A.*; Affrida, A. H.*; Shakinah, S.*; Nurul Hidayah, M.*; Nozawa, Shigeki*; Narumi, Issey*; Hase, Yoshihiro; Ono, Yutaka

JAEA-Review 2013-059, JAEA Takasaki Annual Report 2012, P. 104, 2014/03

Journal Articles

${it Arabidopsis sos1}$ mutant in a salt-tolerant accession revealed an importance of salt acclimation ability in plant salt tolerance

Ariga, Hirotake*; Katori, Taku*; Yoshihara, Ryohei*; Hase, Yoshihiro; Nozawa, Shigeki; Narumi, Issei; Iuchi, Satoshi*; Kobayashi, Masatomo*; Tezuka, Kenji*; Sakata, Yoichi*; et al.

Plant Signaling & Behavior (Internet), 8(7), p.e24779_1 - e24779_5, 2013/07

Based on analysis of the salinity tolerance among 354 ${it Arabidopsis thaliana}$ accessions, some accessions showed greater salt shock tolerance compared with a reference accession, Col-0 on a typical assay with drastic change in NaCl concentration from 0 mM to 225 mM. On the other hand, several accessions including Zu-0 exhibited marked acquired salt tolerance, which is induced after exposure to moderate salt stress (salt acclimation ability). It is likely that Arabidopsis plants have at least two types of tolerance abilities, salt shock tolerance and salt acclimation. To dissect the salt tolerance mechanisms of the salt tolerant accessions, we isolated a salt-sensitive mutant from ion beam-mutagenized Zu-0 seedlings. The mutant showed severe growth inhibition under salt shock stress due to a single base deletion in SOS1 gene as well-known salt shock tolerance gene, even more salt sensitive than Col-0. Nevertheless, the mutant was able to survive on the salt acclimation with 100 mM NaCl for 7 days followed with 750 mM sorbitol for 20 days (salt acclimation assay) as well as the Zu-0 wild type, whereas Col-0 showed apparent chlorosis under the condition. We propose that a gene for salt acclimation ability is different from a gene for salt shock tolerance and plays an important role in acquisition for marked salt- or osmotic tolerance.

Journal Articles

Photoperiod-insensitive mutants with shorter plant height identified in the M1 generation of rice irradiated with carbon ion beams

Azad, M. A. K.*; Mazumdar, M. N. N.*; Chaki, A. K.*; Ali, M.*; Hakim, M. L.*; Mamun, A. N. K.*; Hase, Yoshihiro; Nozawa, Shigeki; Tanaka, Atsushi; Koike, Aki*; et al.

SABRAO Journal of Breeding and Genetics, 45(2), p.179 - 186, 2013/06

no abstracts in English

Journal Articles

Mutational effects of $$gamma$$-rays and carbon ion beams in ${it Arabidopsis}$ seedlings

Yoshihara, Ryohei*; Nozawa, Shigeki; Hase, Yoshihiro; Narumi, Issei; Hidema, Jun*; Sakamoto, Ayako

Journal of Radiation Research, 54(6), p.1050 - 1056, 2013/05

 Times Cited Count:16 Percentile:62.12(Biology)

Journal Articles

Development of ion beam breeding technology in plants and creation of useful plant resources

Hase, Yoshihiro; Nozawa, Shigeki; Okada, Tomoyuki*; Asami, Itsuo*; Nagatani, Takeshi*; Matsuo, Yoichi*; Kanazawa, Akira*; Honda, Kazushige*; Narumi, Issei

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 95, 2013/01

Journal Articles

Ion beam irradiation on rice seeds for the Mutation Breeding Project of the Forum of Nuclear Cooperation in Asia (FNCA)

Tanaka, Atsushi; Nozawa, Shigeki; Hase, Yoshihiro; Narumi, Issei; Ishikawa, Hidetaka*; Koike, Aki*

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 96, 2013/01

Journal Articles

Generating new ornamental plant varieties using ion beams

Zaiton, A.*; Affrida, A. H.*; Shakinah, S.*; Nozawa, Shigeki; Narumi, Issei; Hase, Yoshihiro; Ono, Yutaka

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 97, 2013/01

Journal Articles

Mutational effects of carbon ions near the range end and development of an efficient mutagenesis technique using ion beams

Hase, Yoshihiro; Yoshihara, Ryohei*; Nozawa, Shigeki; Narumi, Issei

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 98, 2013/01

Journal Articles

Production of mutants by ion beam irradiation in ${it Dahlia}$ spp.

Uyama, Yoshihide*; Oya, Hirotaka*; Amano, Yoshinori*; Kashimoto, Koichi*; Hatano, Shoji*; Nozawa, Shigeki; Yoshihara, Ryohei*; Hase, Yoshihiro; Narumi, Issei

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 102, 2013/01

Journal Articles

DNA damage evaluation system of the high-LET ion beam using the polymerase chain reaction

Matsuo, Yoichiro*; Izumi, Yoshinobu*; Hase, Yoshihiro; Sakamoto, Ayako; Nozawa, Shigeki; Narumi, Issei; Shimizu, Kikuo*

JAEA-Review 2012-046, JAEA Takasaki Annual Report 2011, P. 105, 2013/01

Journal Articles

Mutagenic effects of carbon ions near the range end in plants

Hase, Yoshihiro; Yoshihara, Ryohei; Nozawa, Shigeki; Narumi, Issei

Mutation Research; Fundamental and Molecular Mechanisms of Mutagenesis, 731(1-2), p.41 - 47, 2012/03

 Times Cited Count:26 Percentile:70.09(Biotechnology & Applied Microbiology)

To gain insight into the mutagenic effects of accelerated heavy ions in plants, the mutagenic effects of carbon ions near the range end (mean LET: 425 keV/$$mu$$m) were compared with the effects of carbon ions penetrating the seeds (mean LET: 113 keV/$$mu$$m). Mutational analysis by plasmid rescue of ${it E. coli rpsL}$ from irradiated Arabidopsis plants showed a 2.7-fold increase in mutant frequency for 113 keV/$$mu$$m carbon ions, whereas no enhancement of mutant frequency was observed for carbon ions near the range end. This suggested that carbon ions near the range end induced mutations that were not recovered by plasmid rescue. An Arabidopsis DNA ligase IV mutant, deficient in non-homologous end-joining repair, showed hyper-sensitivity to both types of carbon-ion irradiation. The difference in radiation sensitivity between the wild type and the repair-deficient mutant was greatly diminished for carbon ions near the range end, suggesting that these ions induce irreparable DNA damage. Mutational analysis of the Arabidopsis ${it GL1}$ locus showed that while the frequency of generation of glabrous mutant sectors was not different between the two types of carbon-ion irradiation, large deletions ($$>$$$$sim$$30 kb) were six times more frequently induced by carbon ions near the range end. This suggests that the proportion of large deletions increases with LET in plants.

Journal Articles

Development of ion beam breeding technology in plants and creation of useful plant resources

Hase, Yoshihiro; Nozawa, Shigeki; Okada, Tomoyuki*; Asami, Itsuo*; Nagatani, Takeshi*; Matsuo, Yoichi*; Kanazawa, Akira*; Honda, Kazushige*; Narumi, Issei

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 100, 2012/01

117 (Records 1-20 displayed on this page)