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Nickel phytoextraction through bacterial inoculation in Raphanus sativus

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Nickel phytoextraction through bacterial inoculation in Raphanus sativus. / Akhtar, Muhammad Javed; Ullah, Sana; Ahmad, Iftikhar et al.
In: Chemosphere, Vol. 190, 01.01.2018, p. 234-242.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Akhtar, MJ, Ullah, S, Ahmad, I, Rauf, A, Nadeem, SM, Khan, MY, Hussain, S & Bulgariu, L 2018, 'Nickel phytoextraction through bacterial inoculation in Raphanus sativus', Chemosphere, vol. 190, pp. 234-242. https://doi.org/10.1016/j.chemosphere.2017.09.136

APA

Akhtar, M. J., Ullah, S., Ahmad, I., Rauf, A., Nadeem, S. M., Khan, M. Y., Hussain, S., & Bulgariu, L. (2018). Nickel phytoextraction through bacterial inoculation in Raphanus sativus. Chemosphere, 190, 234-242. https://doi.org/10.1016/j.chemosphere.2017.09.136

Vancouver

Akhtar MJ, Ullah S, Ahmad I, Rauf A, Nadeem SM, Khan MY et al. Nickel phytoextraction through bacterial inoculation in Raphanus sativus. Chemosphere. 2018 Jan 1;190:234-242. Epub 2017 Sept 29. doi: 10.1016/j.chemosphere.2017.09.136

Author

Akhtar, Muhammad Javed ; Ullah, Sana ; Ahmad, Iftikhar et al. / Nickel phytoextraction through bacterial inoculation in Raphanus sativus. In: Chemosphere. 2018 ; Vol. 190. pp. 234-242.

Bibtex

@article{3e4a3124f5a340afa1f97e313abafbb7,
title = "Nickel phytoextraction through bacterial inoculation in Raphanus sativus",
abstract = "A pot experiment was conducted to evaluate the potential of two plant growth promoting rhizobacteria (PGPR) viz. Bacillus sp. CIK-516 and Stenotrophomonas sp. CIK-517Y for improving the growth and Ni uptake of radish (Raphanus sativus) in the presence of four different levels of Ni contamination (0, 50, 100, 150 mg Ni kg−1 soil). Plant growth, dry biomass, chlorophyll and nitrogen contents were significantly reduced by the exogenous application of Ni, however, bacterial inoculation diluted the negative impacts of Ni stress on radish by improving these parameters. PGPR strain CIK-516 increased root length (9–27%), shoot length (8–27%), root dry biomass (2–32%), shoot dry biomass (9–51%), root girth (6–48%), total chlorophyll (4–38%) and shoot nitrogen contents (11–15%) in Ni contaminated and non-contaminated soils. Positive regulation of chlorophyll and nitrogen contents by the inoculated plants shows plant tolerance mechanism of Ni stress. Bacterial strain (CIK-516) exhibited indole acetic acid and 1-amino-cyclopropane-1-carboxylate deaminase potentials which would have helped radish plant to stabilize in Ni contaminated soil and thereby increased Ni uptake (24–257 in shoot and 58–609 in root mg kg−1 dry biomass) and facilitated accumulation in radish (bioaccumulation factor = 0.6–1.7) depending upon soil Ni contamination. Based on the findings of this study, it might be suggested that inoculation with bacterial strain CIK-516 could be an efficient tool for enhanced Ni phytoextraction in radish.",
keywords = "Bioaugmentation, Heavy metals, Physiology, Phytoremediation, Plant growth, Radish",
author = "Akhtar, {Muhammad Javed} and Sana Ullah and Iftikhar Ahmad and Abdul Rauf and Nadeem, {Sajid Mahmood} and Khan, {Muhammad Yahya} and Sabir Hussain and Laura Bulgariu",
year = "2018",
month = jan,
day = "1",
doi = "10.1016/j.chemosphere.2017.09.136",
language = "English",
volume = "190",
pages = "234--242",
journal = "Chemosphere",
issn = "0045-6535",
publisher = "NLM (Medline)",

}

RIS

TY - JOUR

T1 - Nickel phytoextraction through bacterial inoculation in Raphanus sativus

AU - Akhtar, Muhammad Javed

AU - Ullah, Sana

AU - Ahmad, Iftikhar

AU - Rauf, Abdul

AU - Nadeem, Sajid Mahmood

AU - Khan, Muhammad Yahya

AU - Hussain, Sabir

AU - Bulgariu, Laura

PY - 2018/1/1

Y1 - 2018/1/1

N2 - A pot experiment was conducted to evaluate the potential of two plant growth promoting rhizobacteria (PGPR) viz. Bacillus sp. CIK-516 and Stenotrophomonas sp. CIK-517Y for improving the growth and Ni uptake of radish (Raphanus sativus) in the presence of four different levels of Ni contamination (0, 50, 100, 150 mg Ni kg−1 soil). Plant growth, dry biomass, chlorophyll and nitrogen contents were significantly reduced by the exogenous application of Ni, however, bacterial inoculation diluted the negative impacts of Ni stress on radish by improving these parameters. PGPR strain CIK-516 increased root length (9–27%), shoot length (8–27%), root dry biomass (2–32%), shoot dry biomass (9–51%), root girth (6–48%), total chlorophyll (4–38%) and shoot nitrogen contents (11–15%) in Ni contaminated and non-contaminated soils. Positive regulation of chlorophyll and nitrogen contents by the inoculated plants shows plant tolerance mechanism of Ni stress. Bacterial strain (CIK-516) exhibited indole acetic acid and 1-amino-cyclopropane-1-carboxylate deaminase potentials which would have helped radish plant to stabilize in Ni contaminated soil and thereby increased Ni uptake (24–257 in shoot and 58–609 in root mg kg−1 dry biomass) and facilitated accumulation in radish (bioaccumulation factor = 0.6–1.7) depending upon soil Ni contamination. Based on the findings of this study, it might be suggested that inoculation with bacterial strain CIK-516 could be an efficient tool for enhanced Ni phytoextraction in radish.

AB - A pot experiment was conducted to evaluate the potential of two plant growth promoting rhizobacteria (PGPR) viz. Bacillus sp. CIK-516 and Stenotrophomonas sp. CIK-517Y for improving the growth and Ni uptake of radish (Raphanus sativus) in the presence of four different levels of Ni contamination (0, 50, 100, 150 mg Ni kg−1 soil). Plant growth, dry biomass, chlorophyll and nitrogen contents were significantly reduced by the exogenous application of Ni, however, bacterial inoculation diluted the negative impacts of Ni stress on radish by improving these parameters. PGPR strain CIK-516 increased root length (9–27%), shoot length (8–27%), root dry biomass (2–32%), shoot dry biomass (9–51%), root girth (6–48%), total chlorophyll (4–38%) and shoot nitrogen contents (11–15%) in Ni contaminated and non-contaminated soils. Positive regulation of chlorophyll and nitrogen contents by the inoculated plants shows plant tolerance mechanism of Ni stress. Bacterial strain (CIK-516) exhibited indole acetic acid and 1-amino-cyclopropane-1-carboxylate deaminase potentials which would have helped radish plant to stabilize in Ni contaminated soil and thereby increased Ni uptake (24–257 in shoot and 58–609 in root mg kg−1 dry biomass) and facilitated accumulation in radish (bioaccumulation factor = 0.6–1.7) depending upon soil Ni contamination. Based on the findings of this study, it might be suggested that inoculation with bacterial strain CIK-516 could be an efficient tool for enhanced Ni phytoextraction in radish.

KW - Bioaugmentation

KW - Heavy metals

KW - Physiology

KW - Phytoremediation

KW - Plant growth

KW - Radish

U2 - 10.1016/j.chemosphere.2017.09.136

DO - 10.1016/j.chemosphere.2017.09.136

M3 - Journal article

VL - 190

SP - 234

EP - 242

JO - Chemosphere

JF - Chemosphere

SN - 0045-6535

ER -