Genetic diversity and plant-growth related features of Burkholderia spp. from sugarcane roots

Danice M. Luvizotto, Joelma Marcon, Fernando D. Andreote, Francisco Dini-Andreote, Aline A.C. Neves, Welington L. Araújo, Aline A. Pizzirani-Kleiner

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Abstract

Brazil is the largest sugarcane producer in the world, mainly due to the development of different management strategies. Recently, microbial-plant related studies revealed that bacterial isolates belonging to the genus Burkholderia are mainly associated with this plant and are responsible for a range of physiological activity. In this study, we properly evaluate the physiological activity and genetic diversity of endophytic and rhizospheric Burkholderia spp. isolates from sugarcane roots grown in the field in Brazil. In total, 39 isolates previously identified as Burkholderia spp. were firstly evaluated for the capability to fix nitrogen, produce siderophores, solubilise inorganic phosphates, produce indole-acetic acid and inhibit sugarcane phytopathogens in vitro. These results revealed that all isolates present at least two positive evaluated activities. Furthermore, a phylogenetic study was carried out using 16S rRNA and gyrB genes revealing that most of the isolates were affiliated with the Burkholderia cepacia complex. Hence, a clear separation given by endophytic or rhizospheric niche occupation was not observed. These results presented an overview about Burkholderia spp. isolates from sugarcane roots and supply information about the physiological activity and genetic diversity of this genus, given direction for further studies related to achieve more sustainable cultivation of sugarcane.

Original languageEnglish (US)
Pages (from-to)1829-1836
Number of pages8
JournalWorld Journal of Microbiology and Biotechnology
Volume26
Issue number10
DOIs
StatePublished - Mar 8 2010

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Physiology
  • Applied Microbiology and Biotechnology

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    Luvizotto, D. M., Marcon, J., Andreote, F. D., Dini-Andreote, F., Neves, A. A. C., Araújo, W. L., & Pizzirani-Kleiner, A. A. (2010). Genetic diversity and plant-growth related features of Burkholderia spp. from sugarcane roots. World Journal of Microbiology and Biotechnology, 26(10), 1829-1836. https://doi.org/10.1007/s11274-010-0364-0