Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteria

Journal of Hazardous Materials
Ying MaHelena Freitas

Abstract

In this study, among a collection of Ni-resistant bacterial strains isolated from the rhizosphere of Alyssum serpyllifolium and Phleum phleoides grown on serpentine soil, five plant growth-promoting bacteria (PGPB) were selected based on their ability to utilize 1-aminocyclopropane-1-carboxylate (ACC) as the sole N source and promote seedling growth. All of the strains tested positive for indole-3-acetic acid (IAA) production and phosphate solubilization. In addition, four of the strains exhibited significant levels of siderophores production. Further, the efficiency of PGPB in enhancing Ni solubilization in soils was analyzed. Compared with control treatment, inoculation of PGPB strains significantly increased the concentrations of bioavailable Ni. Furthermore, a pot experiment was conducted to elucidate the effects of inoculating Ni-resistant PGPB on the plant growth and the uptake of Ni by Brassica juncea and B. oxyrrhina in soil contaminated with 450 mg kg(-1) Ni. Psychrobacter sp. SRA2 significantly increased the fresh (351%) and dry biomass (285%) of the B. juncea test plants (p<0.05), whereas Psychrobacter sp. SRA1 and Bacillus cereus SRA10 significantly increased the accumulation of Ni in the root and shoot tissues of B...Continue Reading

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Citations

Jun 25, 2013·Applied and Environmental Microbiology·Cristina Becerra-CastroMarkus Puschenreiter
Dec 3, 2014·Journal of Hazardous Materials·Gbotemi A AdediranBarbra A Harvie
Oct 4, 2014·Chemosphere·Giovanna VisioliAnna Maria Sanangelantoni
Jan 26, 2013·Environment International·Mani RajkumarHelena Freitas
Oct 25, 2011·Journal of Hazardous Materials·Romeu FranciscoPaula Vasconcelos Morais
Mar 23, 2011·Journal of Hazardous Materials·Kefeng Li, Wusirika Ramakrishna
Oct 13, 2010·Chemosphere·Robson AndreazzaFlávio Anastácio de Oliveira Camargo
Oct 27, 2010·Journal of Hazardous Materials·Jin Hee ParkJae-Woo Chung
Oct 26, 2010·Journal of Hazardous Materials·Jin Hee ParkRavi Naidu
Dec 10, 2015·Ecotoxicology and Environmental Safety·Namrata SinghNandita Singh
May 7, 2013·Soil Biology & Biochemistry·Angela SessitschMarkus Puschenreiter
Jan 27, 2015·Antonie van Leeuwenhoek·Marco Pessoa-FilhoLeide Rovênia Miranda de Andrade
Feb 25, 2015·Frontiers in Plant Science·Giovanna VisioliAnna M Sanangelantoni
Jan 17, 2019·International Journal of Phytoremediation·Ankita ItushaMohanasrinivasan Vaithilingam
Jul 13, 2019·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Flávio Silva CostaCristine Chaves Barreto
Sep 7, 2016·International Journal of Phytoremediation·Chinnathambi SarathambalSellappan Arun
Mar 3, 2017·Environmental Science and Pollution Research International·Manohari Rathi, Yogalakshmi Kadapakkam Nandabalan
Dec 17, 2014·Environmental Science and Pollution Research International·Chen XuJiyan Shi
Feb 9, 2019·Journal, Genetic Engineering & Biotechnology·N TirryN El Ghachtouli

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