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Cadmium resistance and uptake by bacterium, Salmonella enterica 43C, isolated from industrial effluent

Overview of attention for article published in AMB Express, August 2016
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1 tweeter

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Title
Cadmium resistance and uptake by bacterium, Salmonella enterica 43C, isolated from industrial effluent
Published in
AMB Express, August 2016
DOI 10.1186/s13568-016-0225-9
Pubmed ID
Authors

Zaman Khan, Zaman Khan, Abdul Rehman, Syed Z. Hussain, Muhammad A. Nisar, Soumble Zulfiqar, Abdul R. Shakoori

Abstract

Cadmium resistant bacterium, isolated from industrial wastewater, was characterized as Salmonella enterica 43C on the basis of biochemical and 16S rRNA ribotyping. It is first ever reported S. enterica 43C bared extreme resistance against heavy metal consortia in order of Pb(2+)>Cd(2+)>As(3+)>Zn(2+)>Cr(6+)>Cu(2+)>Hg(2+). Cd(2+) stress altered growth pattern of the bacterium in time dependent manner. It could remove nearly 57 % Cd(2+) from the medium over a period of 8 days. Kinetic and thermodynamic studies based on various adsorption isotherm models (Langmuir and Freundlich) depicted the Cd(2+) biosorption as spontaneous, feasible and endothermic in nature. Interestingly, the bacterium followed pseudo first order kinetics, making it a good biosorbent for heavy metal ions. The S. enterica 43C Cd(2+) processivity was significantly influenced by temperature, pH, initial Cd(2+) concentration, biomass dosage and co-metal ions. FTIR analysis of the bacterium revealed the active participation of amide and carbonyl moieties in Cd(2+) adsorption confirmed by EDX analysis. Electron micrographs beckoned further surface adsorption and increased bacterial size due to intracellular Cd(2+) accumulation. An overwhelming increase in glutathione and other non-protein thiols levels played a significant role in thriving oxidative stress generated by metal cations. Presence of metallothionein clearly depicted the role of such proteins in bacterial metal resistance mechanism. The present study results clearly declare S. enterica 43C a suitable candidate for green chemistry to bioremediate environmental Cd(2+).

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 21%
Unspecified 6 18%
Student > Ph. D. Student 6 18%
Researcher 5 15%
Student > Master 3 9%
Other 7 21%
Readers by discipline Count As %
Unspecified 10 29%
Biochemistry, Genetics and Molecular Biology 8 24%
Agricultural and Biological Sciences 7 21%
Environmental Science 3 9%
Chemistry 2 6%
Other 4 12%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 August 2016.
All research outputs
#4,329,715
of 8,170,298 outputs
Outputs from AMB Express
#215
of 491 outputs
Outputs of similar age
#141,149
of 257,062 outputs
Outputs of similar age from AMB Express
#25
of 40 outputs
Altmetric has tracked 8,170,298 research outputs across all sources so far. This one is in the 27th percentile – i.e., 27% of other outputs scored the same or lower than it.
So far Altmetric has tracked 491 research outputs from this source. They receive a mean Attention Score of 2.0. This one is in the 8th percentile – i.e., 8% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 257,062 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 40 others from the same source and published within six weeks on either side of this one. This one is in the 2nd percentile – i.e., 2% of its contemporaries scored the same or lower than it.