Analysis of the endophytic lifestyle and plant growth promotion of Burkholderia terricola ZR2-12

Ilona Gasser, Massimiliano Cardinale, Henry Müller, Susanne Heller, L. Eberl, N Lindenkamp, C. Kaddor, A. Steinbüchel, Gabriele Berg

Research output: Contribution to journalArticle

Abstract

Members of the genus Burkholderia are highly versatile bacteria that can be beneficial as well as pathogenic for their eukaryotic hosts. Furthermore, many strains exhibit a remarkable biotechnological potential. To study the ecosystem function and lifestyle of B. terricola, we analysed the interactions with plants and survival in soil as well as the mechanisms behind it. We used a combination of in vitro and ad planta assays to study Burkholderia-plant interaction and assess the role of poly-β-hydroxybutyrate (PHB). Additionally, DsRed-labelled bacteria were analysed by confocal laser scanning microscopy (CLSM) to study root colonisation. B. terricola ZR2-12 treatment resulted in enhanced growth of sugar beet plants with a more than doubled biomass relative to the non-treated control. The strain was a remarkable good root coloniser, which was found in rhizosphere as well as endorhiza of sugar beet up to …
Original languageEnglish
Pages (from-to)1-12
JournalPlant and soil
DOIs
Publication statusPublished - Oct 2011

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