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Basic Characterization of Natural Transformation in a Highly Transformable Haemophilus parasuis Strain SC1401

Overview of attention for article published in Frontiers in Cellular and Infection Microbiology, February 2018
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Title
Basic Characterization of Natural Transformation in a Highly Transformable Haemophilus parasuis Strain SC1401
Published in
Frontiers in Cellular and Infection Microbiology, February 2018
DOI 10.3389/fcimb.2018.00032
Pubmed ID
Authors

Ke Dai, Lvqin He, Yung-Fu Chang, Sanjie Cao, Qin Zhao, Xiaobo Huang, Rui Wu, Yong Huang, Qigui Yan, Xinfeng Han, Xiaoping Ma, Xintian Wen, Yiping Wen

Abstract

Haemophilus parasuis causes Glässer's disease and pneumonia, incurring serious economic losses in the porcine industry. In this study, natural competence was investigated inH. parasuis. We found competence genes inH. parasuishomologous to ones inHaemophilus influenzaeand a high consensus battery of Sxy-dependent cyclic AMP (cAMP) receptor protein (CRP-S) regulons using bioinformatics. High rates of natural competence were found from the onset of stationary-phase growth condition to mid-stationary phase (OD600from 0.29 to 1.735); this rapidly dropped off as cells reached mid-stationary phase (OD600from 1.735 to 1.625). As a whole, bacteria cultured in liquid media were observed to have lower competence levels than those grown on solid media plates. We also revealed that natural transformation in this species is stable after 200 passages and is largely dependent on DNA concentration. Transformation competition experiments showed that heterogeneous DNA cannot outcompete intraspecific natural transformation, suggesting an endogenous uptake sequence or other molecular markers may be important in differentiating heterogeneous DNA. We performed qRT-PCR targeting multiple putative competence genes in an effort to compare bacteria pre-cultured in TSB++ vs. TSA++ and SC1401 vs. SH0165 to determine expression profiles of the homologs of competence-genes inH. influenzae. Taken together, this study is the first to investigate natural transformation inH. parasuisbased on a highly naturally transformable strain SC1401.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 20%
Student > Ph. D. Student 4 20%
Researcher 3 15%
Student > Doctoral Student 2 10%
Student > Postgraduate 1 5%
Other 0 0%
Unknown 6 30%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 30%
Veterinary Science and Veterinary Medicine 3 15%
Agricultural and Biological Sciences 2 10%
Immunology and Microbiology 2 10%
Computer Science 1 5%
Other 0 0%
Unknown 6 30%
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 09 February 2018.
All research outputs
#20,462,806
of 23,020,670 outputs
Outputs from Frontiers in Cellular and Infection Microbiology
#6,071
of 6,510 outputs
Outputs of similar age
#377,296
of 439,449 outputs
Outputs of similar age from Frontiers in Cellular and Infection Microbiology
#105
of 126 outputs
Altmetric has tracked 23,020,670 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 6,510 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 126 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.