Growth of quailbush in acidic, metalliferous desert mine tailings: effect of Azospirillum brasilense Sp6 on biomass production and rhizosphere community structure.

Microbial Ecology
Luz E de-BashanRaina M Maier

Abstract

Mine tailing deposits in semiarid and arid environments frequently remain devoid of vegetation due to the toxicity of the substrate and the absence of a diverse soil microbial community capable of supporting seed germination and plant growth. The contribution of the plant growth promoting bacterium (PGPB) Azospirillum brasilense Sp6 to the growth of quailbush in compost-amended, moderately acidic, high-metal content mine tailings using an irrigation-based reclamation strategy was examined along with its influence on the rhizosphere bacterial community. Sp6 inoculation resulted in a significant (2.2-fold) increase in plant biomass production. The data suggest that the inoculum successfully colonized the root surface and persisted throughout the 60-day experiment in both the rhizosphere, as demonstrated by excision and sequencing of the appropriate denaturing gradient gel electrophoresis (DGGE) band, and the rhizoplane, as indicated by fluorescent in situ hybridization of root surfaces. Changes in rhizosphere community structure in response to Sp6 inoculation were evaluated after 15, 30, and 60 days using DGGE analysis of 16S rRNA polymerase chain reaction amplicons. A comparison of DGGE profiles using canonical correspondence an...Continue Reading

References

Jul 6, 2000·Applied and Environmental Microbiology·G M ColoresW P Inskeep
Jul 1, 2004·International Journal of Phytoremediation·Ioana G PetrisorMihai Serban
Apr 13, 2005·Journal of Microbiological Methods·Ingrid H Franke-WhittleHeribert Insam
May 3, 2005·Annual Review of Plant Biology·Elizabeth Pilon-Smits
Feb 6, 2007·Environment International·Xuliang ZhuangZhihui Bai
Jul 20, 2007·Journal of Environmental Quality·Karyna RosarioRaina M Maier
Aug 23, 2007·FEMS Microbiology Letters·Susana Castro-SowinskiEdouard Jurkevitch
Apr 16, 2008·Environmental Science & Technology·Christopher J GrandlicRaina M Maier
Apr 22, 2008·Applied and Environmental Microbiology·Monica O MendezRaina M Maier
Jun 7, 2008·Molecular Plant-microbe Interactions : MPMI·Celeste Molina-FaveroLorenzo Lamattina
Jun 17, 2008·Journal of Hazardous Materials·M C González-ChávezM C Gutiérrez-Castorena
Aug 13, 2009·Plant, Cell & Environment·Christian DimkpaFolkard Asch
Feb 18, 2010·Soil Biology & Biochemistry·Christopher J GrandlicRaina M Maier

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Citations

Jan 1, 2012·Scientifica·Bernard R Glick
Jan 15, 2013·Journal of Microbiological Methods·Julia W NeilsonRaina M Maier
May 8, 2018·AMB Express·Josiane FukamiMariangela Hungria
Nov 30, 2019·Environmental Science and Pollution Research International·Mariana Elisa VezzaMelina Andrea Talano
Aug 19, 2020·Ecotoxicology and Environmental Safety·Jean Damascene HarindintwaliXiaobin Yu

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