Tomohito Arao

Summary

Affiliation: National Institute of Agrobiological Sciences
Country: Japan

Publications

  1. doi request reprint Effects of arsenic compound amendment on arsenic speciation in rice grain
    Tomohito Arao
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 45:1291-7. 2011
  2. doi request reprint Effects of water management on cadmium and arsenic accumulation and dimethylarsinic acid concentrations in Japanese rice
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki, 305 8604, Japan
    Environ Sci Technol 43:9361-7. 2009
  3. doi request reprint Reduction in uptake by rice and soybean of aromatic arsenicals from diphenylarsinic acid contaminated soil amended with activated charcoal
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Soil Environmental Division, 3 1 3 Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Pollut 159:2449-53. 2011
  4. ncbi request reprint Uptake of aromatic arsenicals from soil contaminated with diphenylarsinic acid by rice
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 43:1097-101. 2009
  5. ncbi request reprint [Reducing cadmium content of rice grains by means of flooding and a few problems]
    Akira Kawasaki
    National Institute for Agro Environmental Sciences, Tsukuba, Japan
    Nihon Eiseigaku Zasshi 67:478-83. 2012
  6. ncbi request reprint Evaluation of performance of a commercial monoclonal antibody-based fenitrothion immunoassay and application to residual analysis in fruit samples
    Eiki Watanabe
    Environmental Chemical Analysis Laboratory, Chemical Analysis Research Center, National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki 305 8604, Japan
    J Food Prot 69:191-8. 2006
  7. ncbi request reprint Phytoextraction by rice capable of accumulating Cd at high levels: reduction of Cd content of rice grain
    Masaharu Murakami
    Soil Environment Division, National Institute for Agro Environmental Sciences, 3 1 3, Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 43:5878-83. 2009
  8. pmc Root-to-shoot Cd translocation via the xylem is the major process determining shoot and grain cadmium accumulation in rice
    Shimpei Uraguchi
    Soil Environment Division, National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Ibaraki, 305 8604, Japan
    J Exp Bot 60:2677-88. 2009
  9. pmc Ion-beam irradiation, gene identification, and marker-assisted breeding in the development of low-cadmium rice
    Satoru Ishikawa
    Soil Environment Division, National Institute for Agro Environmental Sciences, Tsukuba, Ibaraki 305 8604, Japan
    Proc Natl Acad Sci U S A 109:19166-71. 2012
  10. doi request reprint Natural cadmium loading and balance in a non-polluted rice paddy field in Japan
    Saeko Yada
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Japan
    Water Sci Technol 58:2243-9. 2008

Collaborators

Detail Information

Publications19

  1. doi request reprint Effects of arsenic compound amendment on arsenic speciation in rice grain
    Tomohito Arao
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 45:1291-7. 2011
    ..When only the soil was incubated with MMA or arsenite, only a slight amount of DMA was detected in the soil. These results suggest that rice rhizosphere associated bacteria would be involved in the formation of DMA in brown rice...
  2. doi request reprint Effects of water management on cadmium and arsenic accumulation and dimethylarsinic acid concentrations in Japanese rice
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki, 305 8604, Japan
    Environ Sci Technol 43:9361-7. 2009
    ..A possible explanation for the accumulation of DMA in rice grains is that DMA translocates from shoots/roots to the grains more readily than does inorganic arsenic...
  3. doi request reprint Reduction in uptake by rice and soybean of aromatic arsenicals from diphenylarsinic acid contaminated soil amended with activated charcoal
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Soil Environmental Division, 3 1 3 Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Pollut 159:2449-53. 2011
    ..2% AC treated soil compared to untreated soil. MPAA concentration in soybean seeds was significantly reduced to 44% in 0.2% AC treated soil compared to untreated soil. AC amendment was effective in reducing AAs in rice and soybean...
  4. ncbi request reprint Uptake of aromatic arsenicals from soil contaminated with diphenylarsinic acid by rice
    Tomohito Arao
    National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 43:1097-101. 2009
    ..DMPAO and MDPAO absorbed by the shoots were retained, and MPAA and DPAA absorbed by the shoots were translocated to the grains more easily than other AAs...
  5. ncbi request reprint [Reducing cadmium content of rice grains by means of flooding and a few problems]
    Akira Kawasaki
    National Institute for Agro Environmental Sciences, Tsukuba, Japan
    Nihon Eiseigaku Zasshi 67:478-83. 2012
    ..The ratios of DMA to the total As concentration were 3-52% in the pot experiment and 7-13% in the field experiment...
  6. ncbi request reprint Evaluation of performance of a commercial monoclonal antibody-based fenitrothion immunoassay and application to residual analysis in fruit samples
    Eiki Watanabe
    Environmental Chemical Analysis Laboratory, Chemical Analysis Research Center, National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki 305 8604, Japan
    J Food Prot 69:191-8. 2006
    ..95). These findings strongly suggest that the ELISA kit may be routinely employed for on-site fenitrothion screening of fruit samples...
  7. ncbi request reprint Phytoextraction by rice capable of accumulating Cd at high levels: reduction of Cd content of rice grain
    Masaharu Murakami
    Soil Environment Division, National Institute for Agro Environmental Sciences, 3 1 3, Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    Environ Sci Technol 43:5878-83. 2009
    ..This approach will help reduce the risk of Cd contamination of rice from paddy fields...
  8. pmc Root-to-shoot Cd translocation via the xylem is the major process determining shoot and grain cadmium accumulation in rice
    Shimpei Uraguchi
    Soil Environment Division, National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Ibaraki, 305 8604, Japan
    J Exp Bot 60:2677-88. 2009
    ..Overall, the results presented in this study revealed that the root-to-shoot Cd translocation via the xylem is the major and common physiological process determining the Cd accumulation level in shoots and grains of rice plants...
  9. pmc Ion-beam irradiation, gene identification, and marker-assisted breeding in the development of low-cadmium rice
    Satoru Ishikawa
    Soil Environment Division, National Institute for Agro Environmental Sciences, Tsukuba, Ibaraki 305 8604, Japan
    Proc Natl Acad Sci U S A 109:19166-71. 2012
    ..Because mutants produced by ion-beam radiation are not transgenic plants, they are likely to be accepted by consumers and thus represent a practical choice for rice production worldwide...
  10. doi request reprint Natural cadmium loading and balance in a non-polluted rice paddy field in Japan
    Saeko Yada
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Japan
    Water Sci Technol 58:2243-9. 2008
    ..This further indicates that once a field is polluted by Cd it is difficult to decrease the accumulated Cd by the ordinary cultivation of rice plants...
  11. ncbi request reprint Synthesis of haptens for development of antibodies to alkylphenols and evaluation and optimization of a selected antibody for ELISA development
    Eiki Watanabe
    Chemical Analysis Research Center, National Institute for Agro Environmental Sciences NIAES, Tsukuba, Ibaraki, Japan
    J Agric Food Chem 53:7395-403. 2005
    ..7 +/- 1.3 microg/L. The optimized ELISA displayed no significant cross-reaction against the parent compounds, nonylphenol ethoxylates, degradation products, carboxylates, and bisphenol A, except in 4-octylphenol...
  12. ncbi request reprint Transformation of diphenylarsinic acid in agricultural soils
    Yuji Maejima
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba, Ibaraki 305 8604, Japan
    J Environ Qual 40:76-82. 2011
    ..In unautoclaved soils, the concentration of DPAA in soil clearly decreased after 24 wk of incubation, indicating that DPAA degradation was driven by microbial activity...
  13. pmc Role of the node in controlling traffic of cadmium, zinc, and manganese in rice
    Noriko Yamaguchi
    National Institute for Agro Environmental Sciences, Tsukuba, 305 8604, Japan
    J Exp Bot 63:2729-37. 2012
    ..Our results provide evidence that transport of Cd, Zn, and Mn is differentially controlled in rice nodes, where vascular bundles are functionally interconnected...
  14. ncbi request reprint Chromatographic separation of arsenic species with pentafluorophenyl column and application to rice
    Koji Baba
    National Institute for Agro Environmental Sciences, Tsukuba 305 8604, Ibaraki, Japan Electronic address
    J Chromatogr A 1354:109-16. 2014
    ..15M nitric acid. The methodology was validated by use of certified reference materials, NMIJ CRM 7503-a and NIST SRM 1568a, and extremely low arsenic rice samples as blank samples. ..
  15. pmc Gene expression analysis in cadmium-stressed roots of a low cadmium-accumulating solanaceous plant, Solanum torvum
    Hirotaka Yamaguchi
    Molecular Genetics and Physiology Research Team, National Institute of Vegetable and Tea Science, 360 Kusawa, Ano cho, Tsu, Mie, Japan
    J Exp Bot 61:423-37. 2010
    ..Further additions of TB unigene sequences and functional analysis of the regulated tags will reveal the molecular basis of the Cd acclimation process, including the low Cd-accumulating characteristics of TB...
  16. ncbi request reprint Evaluation and validation of a commercially available enzyme-linked immunosorbent assay for the neonicotinoid insecticide imidacloprid in agricultural samples
    Eiki Watanabe
    Environmental Chemical Analysis Laboratory, Chemical Analysis Research Center, and Department of Research Planning and Coordination, National Institute for Agro Environmental Sciences, Tsukuba, Ibaraki 305 8604, Japan
    J Agric Food Chem 52:2756-62. 2004
    ..998). These findings strongly indicate that the ELISA kit may be employed routinely for an on-site imidacloprid residue analysis of apple samples...
  17. doi request reprint Immunochromatography for the rapid determination of cadmium concentrations in wheat grain and eggplant
    Kaoru Abe
    National Institute for Agro Environmental Sciences, 3 1 3 Kannondai, Tsukuba 305 8604, Japan
    J Sci Food Agric 91:1392-7. 2011
    ..4 mg kg⁻¹. Here, we measured, using this immunochromatography kit, Cd concentrations in crops with lower international standards than rice...
  18. doi request reprint Arsenic distribution and speciation near rice roots influenced by iron plaques and redox conditions of the soil matrix
    Noriko Yamaguchi
    National Institute for Agro Environmental Sciences, 3 1 3, Kan nondai, Tsukuba, 305 8604, Japan
    Environ Sci Technol 48:1549-56. 2014
    ..These results provide direct evidence that speciation of As near rice roots depends on spatial and temporal redox variations in the soil matrix. ..
  19. ncbi request reprint Evaluation of a commercial immunoassay for the detection of chlorfenapyr in agricultural samples by comparison with gas chromatography and mass spectrometric detection
    Eiki Watanabe
    Environmental Chemical Analysis Laboratory, Chemical Analysis Research Center, National Institute for Agro Environmental Sciences, Kannondai 3 1 3, Tsukuba, Ibaraki 305 8604, Japan
    J Chromatogr A 1074:145-53. 2005
    ..98). These considerations make the ELISA kit very useful analytical tool for monitoring and regulatory programs, without the need of complex and expensive instrumentation...