MISC

2001年6月

Colonization and invasion of peanut (Arachis hypogaea L.) roots by gusA-marked Bradyrhizobium sp.

CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE
  • E Uheda
  • ,
  • H Daimon
  • ,
  • F Yoshizako

79
6
開始ページ
733
終了ページ
738
記述言語
英語
掲載種別
DOI
10.1139/cjb-79-6-733
出版者・発行元
NATL RESEARCH COUNCIL CANADA

Tufted rosettes of long root hairs occur in axils of young lateral roots of peanut (Arachis hypogaea L.). Analyses of serial sections of the axils of emerging lateral roots revealed multiple layers of root hair cells. The cells of the outer layer partially overlie the adjacent cells of the inner layer. When Bradyrhizobium cells with an integrated gusA gene were inoculated onto peanut roots and the roots subsequently stained with X-gluc, blue spots indicating the presence of colonies of Bradyrhizobium were observed in the axils of lateral roots. Blue spots were also observed in other areas on the root surface. Transmission electron microscopy revealed that the primary wall of the base of root hair cells has a loose construction. Upon inoculation of Bradyrhizobium, bacteria entered only between root hair cells through the middle lamella. In other areas of the root surface other than axils of lateral roots, the cells had modified walls similar to those at the base of root hair cells. However, invasion by Bradyrhizobium of the cell wall was not observed.

Web of Science ® 被引用回数 : 15

リンク情報
DOI
https://doi.org/10.1139/cjb-79-6-733
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000169869100009&DestApp=WOS_CPL

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