The involvement of indole-3-acetic acid produced by bradyrhizobium elkanii in nodule formation

Hideyuki Fukuhara, Yasuo Minakawa, Shoichiro Akao, Kiwamu Minamisawa

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)

Abstract

IAA-deficient mutants T10, T27 and TN3 were isolated from B. elkanii USDA 31 by spontaneous and/or N-methyl-N′-nitro-N-nitrosoguanidine (NTG) mutageneses. Inoculation with these mutants significantly reduced the nodule number on soybean roots when compared to that of the parent strain. Furthermore, exogenous IAA application restored the nodule number of soybeans inoculated with TN3 to the original level.

Original languageEnglish
Pages (from-to)1261-1265
Number of pages5
JournalPlant and Cell Physiology
Volume35
Issue number8
DOIs
Publication statusPublished - 1994 Jan 1

Keywords

  • Bradyrhizobium elkanii
  • IAA
  • Nodulation
  • Soybean

ASJC Scopus subject areas

  • Physiology
  • Plant Science
  • Cell Biology

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