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In vivo evolution of drug-resistant Mycobacterium tuberculosis in patients during long-term treatment

Overview of attention for article published in BMC Genomics, August 2018
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Title
In vivo evolution of drug-resistant Mycobacterium tuberculosis in patients during long-term treatment
Published in
BMC Genomics, August 2018
DOI 10.1186/s12864-018-5010-5
Pubmed ID
Authors

Yuhui Xu, Fei Liu, Suting Chen, Jiannan Wu, Yongfei Hu, Baoli Zhu, Zhaogang Sun

Abstract

In the current scenario, the drug-resistant tuberculosis is a significant challenge in the control of tuberculosis worldwide. In order to investigate the in vivo evolution of drug-resistant M. tuberculosis, the present study envisaged sequencing of the draft genomes of 18 serial isolates from four pre-extensively drug-resistant (pre-XDR) tuberculosis patients for continuous genetic alterations. All of the isolates harbored single nucleotide polymorphisms (SNPs) ranging from 1303 to 1309 with M. tuberculosis H37Rv as the reference. SNPs ranged from 0 to 12 within patients. The evolution rates were higher than the reported SNPs of 0.5 in the four patients. All the isolates exhibited mutations at sites of known drug targets, while some contained mutations in uncertain drug targets including folC, proZ, and pyrG. The compensatory substitutions for rescuing these deleterious mutations during evolution were only found in RpoC I491T in one patient. Many loci with microheterogeneity showed transient mutations in different isolates. Ninety three SNPs exhibited significant association with refractory pre-XDR TB isolates. Our results showed evolutionary changes in the serial genetic characteristics of the pre-XDR TB patients due to accumulation of the fixed drug-resistant related mutations, and the transient mutations under continuous antibiotics pressure over several years.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 51 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 51 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 18%
Researcher 8 16%
Student > Bachelor 6 12%
Student > Doctoral Student 4 8%
Student > Ph. D. Student 3 6%
Other 5 10%
Unknown 16 31%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 11 22%
Medicine and Dentistry 7 14%
Agricultural and Biological Sciences 6 12%
Immunology and Microbiology 3 6%
Computer Science 2 4%
Other 3 6%
Unknown 19 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 September 2018.
All research outputs
#14,424,488
of 23,102,082 outputs
Outputs from BMC Genomics
#5,733
of 10,709 outputs
Outputs of similar age
#188,201
of 335,220 outputs
Outputs of similar age from BMC Genomics
#84
of 185 outputs
Altmetric has tracked 23,102,082 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 10,709 research outputs from this source. They receive a mean Attention Score of 4.7. This one is in the 42nd percentile – i.e., 42% 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 335,220 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 185 others from the same source and published within six weeks on either side of this one. This one is in the 49th percentile – i.e., 49% of its contemporaries scored the same or lower than it.