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Role of the Mycobacterium marinum ESX-1 Secretion System in Sliding Motility and Biofilm Formation

Overview of attention for article published in Frontiers in Microbiology, May 2018
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Title
Role of the Mycobacterium marinum ESX-1 Secretion System in Sliding Motility and Biofilm Formation
Published in
Frontiers in Microbiology, May 2018
DOI 10.3389/fmicb.2018.01160
Pubmed ID
Authors

Li-Yin Lai, Tzu-Lung Lin, Yi-Yin Chen, Pei-Fang Hsieh, Jin-Town Wang

Abstract

Mycobacterium marinum is a close relative of Mycobacterium tuberculosis that can cause systemic tuberculosis-like infections in ectotherms and skin infections in humans. Sliding motility correlates with biofilm formation and virulence in most bacteria. In this study, we used a sliding motility assay to screen 2,304 transposon mutants of M. marinum NTUH-M6885 and identified five transposon mutants with decreased sliding motility. Transposons that interrupted the type VII secretion system (T7SS) ESX-1-related genes, espE (mmar_5439), espF (mmar_5440), and eccA1 (mmar_5443), were present in 3 mutants. We performed reverse-transcription polymerase chain reaction to verify genes from mmar_5438 to mmar_5450, which were found to belong to a single transcriptional unit. Deletion mutants of espE, espF, espG (mmar_5441), and espH (mmar_5442) displayed significant attenuation regarding sliding motility and biofilm formation. M. marinum NTUH-M6885 possesses a functional ESX-1 secretion system. However, deletion of espG or espH resulted in slightly decreased secretion of EsxB (which is also known as CFP-10). Thus, the M. marinum ESX-1 secretion system mediates sliding motility and is crucial for biofilm formation. These data provide new insight into M. marinum biofilm formation.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 45 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 45 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 20%
Student > Master 8 18%
Student > Doctoral Student 5 11%
Researcher 3 7%
Student > Bachelor 3 7%
Other 3 7%
Unknown 14 31%
Readers by discipline Count As %
Agricultural and Biological Sciences 10 22%
Biochemistry, Genetics and Molecular Biology 7 16%
Immunology and Microbiology 6 13%
Medicine and Dentistry 2 4%
Unspecified 1 2%
Other 5 11%
Unknown 14 31%
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 15 June 2018.
All research outputs
#17,980,413
of 23,090,520 outputs
Outputs from Frontiers in Microbiology
#17,499
of 25,257 outputs
Outputs of similar age
#239,430
of 331,096 outputs
Outputs of similar age from Frontiers in Microbiology
#442
of 660 outputs
Altmetric has tracked 23,090,520 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 25,257 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.4. This one is in the 22nd percentile – i.e., 22% 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 331,096 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 660 others from the same source and published within six weeks on either side of this one. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.