articleApplied and Environmental MicrobiologyApr 1, 2005GREEN OA

Endophytic Colonization of Vitis vinifera L. by Plant Growth-Promoting Bacterium Burkholderia sp. Strain PsJN

SCStéphane CompantBRBirgit ReiterASAngela SessitschJNJerzy NowakCCChristophe Clément

Université de Reims Champagne-Ardenne · Seibersdorf Laboratories (Austria) · +1 more institution

PubMed
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Abstract

Patterns of colonization of Vitis vinifera L. cv. Chardonnay plantlets by a plant growth-promoting bacterium, Burkholderia sp. strain PsJN, were studied under gnotobiotic conditions. Wild-type strain PsJN and genetically engineered derivatives of this strain tagged with gfp (PsJN::gfp2x) or gusA (PsJN::gusA11) genes were used to enumerate and visualize tissue colonization. The rhizospheres of 4- to 5-week-old plantlets with five developed leaves were inoculated with bacterial suspensions. Epiphytic and endophytic colonization patterns were then monitored by dilution plating assays and microscopic observation of organ sections. Bacteria were chronologically detected first on root surfaces, then in root internal…

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Topics & keywords

Topics
Keywords
  • Biology
  • Botany
  • Xylem
  • Bacteria
  • Rhizosphere
  • Colonization
  • Endophyte
  • Microbial inoculant
UN Sustainable Development Goals
  • Life in Land
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