Mass Spectrometric Quantification of Indole-3-Acetic Acid in Rhizobium Culture Supernatants: Relation to Root Hair Curling and Nodule Initiation-Reference-Cited by-同舟云学术

Mass Spectrometric Quantification of Indole-3-Acetic Acid in Rhizobium Culture Supernatants: Relation to Root Hair Curling and Nodule Initiation

Published:1982-08 Issue:2 Volume:44 Page:275-280
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Badenoch-Jones Jane¹,Summons R. E.¹,Djordjevic M. A.¹,Shine J.¹,Letham D. S.¹,Rolfe B. G.¹

Affiliation:

1. Department of Developmental Biology, Department of Genetics, 3 and Department of Environmental Biology, 2 Research School of Biological Sciences, Australian National University, Canberra City, A.C.T. 2601, Australia

Abstract

Indole-3-acetic acid (IAA) has been unequivocally identified in culture supernatants of Rhizobium strains by gas chromatography-mass spectrometry. A method for accurately quantitating IAA in bacterial culture supernatants, employing deuterium-labeled IAA as an internal standard, has been developed. Similar IAA concentrations were found in culture supernatants of chosen Rhizobium mutants (defective in nodule formation) and their corresponding parent strains. Since some of the mutants are known to adhere to root hairs, it can be concluded that root hair curling is not simply a consequence of IAA production by rhizobia.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/aem.44.2.275-280.1982

Reference23 articles.

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4. Dart P. 1977. Infection and development of leguminous nodules p. 367-472. In R. W. F. Hardy and W. S. Silver (ed.) A treatise on nitrogen fixation. John Wiley & Sons Inc. New York.

5. The bioproduction of indole-3-acetic acid and related compounds in root nodules and roots of Lupinus Iuteus L. and by its rhizobial symbiont;Dullaart J.;Acta Bot. Neerl.,1970

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