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Role of Penicillium chrysogenum XJ-1 in the Detoxification and Bioremediation of Cadmium

Overview of attention for article published in Frontiers in Microbiology, December 2015
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Title
Role of Penicillium chrysogenum XJ-1 in the Detoxification and Bioremediation of Cadmium
Published in
Frontiers in Microbiology, December 2015
DOI 10.3389/fmicb.2015.01422
Pubmed ID
Authors

Xingjian Xu, Lu Xia, Wei Zhu, Zheyi Zhang, Qiaoyun Huang, Wenli Chen

Abstract

Microbial bioremediation is a promising technology to treat heavy metal-contaminated soils. However, the efficiency of filamentous fungi as bioremediation agents remains unknown, and the detoxification mechanism of heavy metals by filamentous fungi remains unclear. Therefore, in this study, we investigated the cell morphology and antioxidant systems of Penicillium chrysogenum XJ-1 in response to different cadmium (Cd) concentrations (0-10 mM) by using physico-chemical and biochemical methods. Cd in XJ-1 was mainly bound to the cell wall. The malondialdehyde level in XJ-1 cells was increased by 14.82-94.67 times with the increase in Cd concentration. The activities of superoxide dismutase, glutathione reductase (GR), and glucose-6-phosphate dehydrogenase (G6PDH) peaked at 1 mM Cd, whereas that of catalase peaked at 5 mM Cd. Cd exposure increased the glutathione/oxidized glutathione ratio and the activities of GR and G6PDH in XJ-1. These results suggested that the Cd detoxification mechanism of XJ-1 included biosorption, cellular sequestration, and antioxidant defense. The application of XJ-1 in Cd-polluted soils (5-50 mg kg(-1)) successfully reduced bioavailable Cd and increased the plant yield, indicating that this fungus was a promising candidate for in situ bioremediation of Cd-polluted soil.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 46 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 46 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 17%
Student > Ph. D. Student 8 17%
Student > Bachelor 6 13%
Student > Master 5 11%
Student > Doctoral Student 3 7%
Other 4 9%
Unknown 12 26%
Readers by discipline Count As %
Agricultural and Biological Sciences 14 30%
Biochemistry, Genetics and Molecular Biology 6 13%
Immunology and Microbiology 5 11%
Unspecified 1 2%
Veterinary Science and Veterinary Medicine 1 2%
Other 3 7%
Unknown 16 35%
Attention Score in Context

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 21 December 2015.
All research outputs
#20,299,108
of 22,836,570 outputs
Outputs from Frontiers in Microbiology
#22,414
of 24,819 outputs
Outputs of similar age
#326,760
of 389,451 outputs
Outputs of similar age from Frontiers in Microbiology
#347
of 405 outputs
Altmetric has tracked 22,836,570 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 24,819 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one is in the 1st percentile – i.e., 1% 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 389,451 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 405 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.