Current Microbiology

, Volume 76, Issue 11, pp 1345–1354 | Cite as

Prospecting Plant Growth-Promoting Bacteria Isolated from the Rhizosphere of Sugarcane Under Drought Stress

  • Leticia B. Pereira
  • Gabriela S. Andrade
  • Silvana P. Meneghin
  • Renato Vicentini
  • Laura M. M. OttoboniEmail author


In the rhizosphere, the soil bacteria and the plants are closely related, with the plant-associated microbiota playing an important role in promoting plant growth under both normal and stress conditions. In this study, the cultivable bacteria in the sugarcane rhizosphere under different levels of drought stress were characterized and screened for plant growth activities. The results suggested that the microbial community associated with the sugarcane rhizosphere was strongly affected by drought, but some important genera of bacteria such as Arthrobacter, Pseudomonas, Microbacterium, and Bacillus remained present during the entire experiment, indicating the adaptability of these organisms and their importance in the rhizosphere community. Many isolates exhibited positive results for one or more plant growth activity, and they were also capable of growing under simulated drought stress, suggesting that the microorganisms isolated from the sugarcane rhizosphere could be explored for uses such as biofertilizers or biocontrol agents in agriculture.



This work was supported by the São Paulo State Research Foundation (FAPESP, Grant Number 2015/00408-5). L.B.P. received a fellowship from FAPESP/CAPES (Grant Number 2014/05929-0) and National Council for Scientific and Technological Development (CNPq, Grant Number 140547/2014-2).

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

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Electronic supplementary material 1 (DOCX 24 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Leticia B. Pereira
    • 1
  • Gabriela S. Andrade
    • 2
  • Silvana P. Meneghin
    • 2
  • Renato Vicentini
    • 3
  • Laura M. M. Ottoboni
    • 1
    Email author
  1. 1.Center for Molecular Biology and Genetic Engineering (CBMEG)State University of Campinas (UNICAMP)CampinasBrazil
  2. 2.Department of Biotechnology and Vegetal and Animal ProductionFederal University of São Carlos (UFSCar)ArarasBrazil
  3. 3.Department of Plant BiologyState University of Campinas (UNICAMP)CampinasBrazil

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