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Interactions between rhizosphere microorganisms under iron limitation

TitoloInteractions between rhizosphere microorganisms under iron limitation
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1993
AutoriChiarini, L., Tabacchioni Silvia, and Bevivino Annamaria
RivistaArchives of Microbiology
Volume160
Paginazione68 - 73
Data di pubblicazione1993///
Parole chiaveBacillus, Iron, Microbial interactions, Pseudomonas, Siderophore
Abstract

Bacillus polymyxa, Pseudomonas cepacia and Pseudomonas fluorescens are present in the rhizosphere of many crop plants. Little is known about microbial interactions in the rhizophere. We investigated the type of interaction between these species under iron limitation. We found that, in mixed batch cultures, P. cepacia stimulates the growth of B. polymyxa and this stimulation can be observed also in low iron medium. Cell-free supernatants of cultures of P. fluorescens with various amounts of the siderophore pyoverdine also stimulate the growth of B. polymyxa. In this case we observed a positive correlation between pyoverdine concentration and growth stimulation. Purified pyoverdine also affects positively the growth of B. polymyxa.

Note

Cited By (since 1996): 3Export Date: 26 August 2010Source: Scopus

URLhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0027284745&partnerID=40&md5=ea370d29b8d455eb46cd39eea8831119
Citation Key476