Effects of Anion Channel Blockers on Xylem Nitrate Transport in Barley Seedlings

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概要

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• The effects of anion channel blockers, 4,4'-diisothiocyanatostilbene-2,2'-disulfonic acid (DIDS) and anthracene-9-carboxylic acid (A-9-C), on the uptake and xylem transport of nitrate were investigated in intact barley (Hordeum vulgare L.) seedlings using ^13N_3 and ^15N_3^- as tracers. The seedling roots were pretreated with either blocker for 1 h and then or ^15N_3^- was supplied to the medium. Real-time images of ^13N accumulation in shoots were monitored during the first 30 min using Positron Emitting Thacer Imaging Systems (PETIS). The radioactivity in the shoots of the plants treated with either blocker was about half of that in the shoots of the control plants. Analysis of the distribution of ^13N in whole seedlings using a Bioimaging Analyzer System (BAS) showed a ^13N-accumulation in both shoots and roots of the control plants but reduced ^13N-levels in the shoots of the plants treated with either blocker. Nitrate concentrations in the xylem sap were significantly reduced by the application of either blocker while the net uptake of ^15N_3 was not or slightly influenced by the treatment with blockers. The translocation and uptake of chloride were also significantly reduced by the treatment with A-9-C but not with DIDS. These results suggested that anion channels contributed to xylem loading of nitrate in barley plants.

• 社団法人日本土壌肥料学会の論文

著者

• 渡邉 聡

  東大工:科技団crest

• Sueyoshi Kuni

  Graduate School Of Science And Technology ; Niigata University

• OHTAKE Norikuni

  Graduate School of Science and Technology ; Niigata University

• OHYAMA Takuji

  Graduate School of Science and Technology ; Niigata University

• Ohyama Takuji

  Faculty of Agriculture, Niigata University

• WATANABE Satoshi

  Department of Rehabilitation Medicine, St. Marianna University Hospital

• Watanabe Satoshi

  Graduate School Of Science And Technology Chiba University:japan International Research Center For A

• Watanabe Satoshi

  Department Of Agricultural Chemistry University Of Tokyo

• Mori S

  Laboratory Of Plant Biotechnology Graduate School Of Agricultural And Life Sciences The University O

• MATSUHASHI Shinpei

  Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency

• Ohyama Takuji

  Faculty Of Agriculture Niigata University

• UCHIDA Hiroshi

  Central Research Laboratory, Hamamatsu Photonics

• OHTAKE Norikuni

  Faculty of Agriculture, Niigata University

• SUEYOSHI Kuni

  Faculty of Agriculture, Niigata University

• FUJIKAKE Hiroyuki

  Graduate School of Science and Technology, Niigata University

• Abdel-Latif Salwa

  Graduate School of Science and Technology, Niigata University

• Fujikake Hiroyuki

  Faculty of Agriculture, University of Niigata

• Matsuhashi S

  Takasaki Advanced Radiation Research Institute Japan Atomic Energy Agency

• KUME Tamikazu

  Takasaki Radiation Chemistry Research Establishment, Japan Atomic Energy Research Institute

• Kawachi Tahei

  Faculty of Agriculture, Niigata University

• Nishijo Chizuru

  Faculty of Agriculture, Niigata University

• Abdel-Latif Salwa

  Faculty of Agriculture, Niigata University

• Shigeta-Ishioka Noriko

  Department of Radioisotopes, Japan Atomic Energy Research Institute

• Osa Akihiko

  Department of Radioisotopes, Japan Atomic Energy Research Institute

• Sekine Toshiaki

  Department of Radioisotopes, Japan Atomic Energy Research Institute

• Ito Taketo

  Takasaki Radiation Chemistry Research Establishment, Japan Atomic Energy Research Institute

• Mizuniwa Chizuko

  Takasaki Radiation Chemistry Research Establishment, Japan Atomic Energy Research Institute

• Hashimoto Shouji

  Takasaki Radiation Chemistry Research Establishment, Japan Atomic Energy Research Institute

• Tsuji Atsunori

  Central Research Loboratory Hamamatsu Photonics Co.

• Mori S

  Dept. Of Appl. Biol. Chem. Univ. Tokyo

• Matsuhashi Shinpei

  Takasaki Advanced Radiation Research Institute Japan Atomic Energy Agency

• Hashimoto Shouji

  Takasaki Radiation Chemistry Research Establishment Japan Atomic Energy Research Institute

• Ohtake Norikuni

  Dept. Appl. Biol. Chem. Fac. Agric. Niigata Univ.

• Mori Satoshi

  Lab Plant. Mol. Physiol. Tokyo Univ. Fac. Pharmaceutical. Science. Nagoya City Univ.

• ティワリ カウサル

  新潟大農

• Kaushal Tewari

  Faculty Of Agriculture Niigata University

• Mori S

  Department Of Applied Biological Chemistry The University Of Tokyo

• Kawachi T

  National Institute Of Livestock And Grassland Science

• Sueyoshi Kuni

  Department Of Agricultural Chemistry Faculty Of Horticulture Chiba University

• Ito Taketo

  Takasaki Radiation Chemistry Research Establishment Japan Atomic Energy Research Institute

• Abdel-latif Salwa

  Graduate School Of Science And Technology Niigata University

• Osa Akihiko

  Japan Atomic Energy Agency

• Fujikake Hiroyuki

  Graduate School Of Science And Technology Niigata University

• Kume Tamikazu

  Takasaki Radiation Chemistry Research Establishment Japan Atomic Energy Research Institute

• Sueyoshi Kuni

  Department Of Applied Biological Chemistry Faculty Of Agriculture Niigata University

• Kaushal T

  新潟大 農

• Shigeta-ishioka Noriko

  Department Of Radioisotopes Japan Atomic Energy Research Institute

• Tsuji A

  Central Research Loboratory Hamamatsu Photonics Co.

• Uchida H

  Miyagi Agricultural College

• Uchida H

  Central Research Laboratory Hamamatsu Photonics K.k.

• 渡邉 聡

  Takasaki Advanced Radiation Research Institute Japan Atomic Energy Agency

• Mori S

  Meijo Univ. Aichi Jpn

• Ishioka Noriko

  Department Of Radioisotopes Japan Atomic Energy Research Institute

• Mizuniwa Chizuko

  Takasaki Radiation Chemistry Research Establishment Japan Atomic Energy Research Institute

• Uchida Hiroshi

  Central Research Laboratory Hamamatsu Photonics K.k.

• Nishijo Chizuru

  Faculty Of Agriculture Niigata University

• Kawachi Tahei

  Faculty Of Agriculture Niigata University

• Sekine Toshiaki

  Department Of Radioisotopes Japan Atomic Energy Research Institute

• OSA Akihiko

  Department of Nuclear Engineering,Nagoya University

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