論文

2014年9月

Metabolite profiling of soybean root exudates under phosphorus deficiency

SOIL SCIENCE AND PLANT NUTRITION
  • Keitaro Tawaraya
  • ,
  • Ryota Horie
  • ,
  • Takuro Shinano
  • ,
  • Tadao Wagatsuma
  • ,
  • Kazuki Saito
  • ,
  • Akira Oikawa

60
5
開始ページ
679
終了ページ
694
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1080/00380768.2014.945390
出版者・発行元
TAYLOR & FRANCIS LTD

Root exudates are derived from plant metabolites and their composition is affected by the plant nutritional status. The purpose of this study was to examine soybean root exudates under phosphorus (P) deficiency using a metabolite profiling technique. Glycine max L. (cv. Suzuyutaka) was grown in a culture solution at P concentrations of 0 (P0) and 8 (P8) mg P L-1 for 1, 5, 10 and 15days after transplanting. Shoot extract, root extract and root exudates were collected and their metabolites were determined by capillary electrophoresis/time-of-flight mass spectrometry (CE-TOF MS). The shoot P concentration and dry weight of soybean plants grown at P0 were lower than those at P8. One hundred and eight, 116 and 79 metabolites were identified in the shoot extract, root extract and root exudates, respectively. The concentrations of several metabolites including amino acids and organic acids in root exudates were higher at P0 than at P8, irrespective of the P concentration in the shoot or root extract. These findings suggest that soybean roots actively release metabolites in response to P deficiency.

リンク情報
DOI
https://doi.org/10.1080/00380768.2014.945390
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000344376600008&DestApp=WOS_CPL
ID情報
  • DOI : 10.1080/00380768.2014.945390
  • ISSN : 0038-0768
  • eISSN : 1747-0765
  • Web of Science ID : WOS:000344376600008

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