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Geno- and phenotypic characteristics of a transfected Babesia bovis 6-Cys-E knockout clonal line

Overview of attention for article published in Parasites & Vectors, May 2017
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Title
Geno- and phenotypic characteristics of a transfected Babesia bovis 6-Cys-E knockout clonal line
Published in
Parasites & Vectors, May 2017
DOI 10.1186/s13071-017-2143-3
Pubmed ID
Authors

Heba F. Alzan, Marta G. Silva, William C. Davis, David R. Herndon, David A. Schneider, Carlos E. Suarez

Abstract

Babesia bovis is an intra-erythrocytic tick-transmitted apicomplexan protozoan parasite. It has a complex lifestyle including asexual replication in the mammalian host and sexual replication occurring in the midgut of host tick vector, typically, Rhipicephalus microplus. Previous evidence showed that certain B. bovis genes, including members of 6-Cys gene family, are differentially expressed during tick and mammalian stages of the parasite's life cycle. Moreover, the 6-Cys E gene is differentially expressed in the T3Bo strain of B. bovis tick stages, and anti 6-Cys E antibodies were shown to be able to inhibit in vitro growth of the phenotypically distinct B. bovis Mo7clonal line. In this study, the 6-Cys E gene of B. bovis T3Bo strain was disrupted by transfection using a plasmid containing 6-Cys gene E 5' and 3' regions to guide homologous recombination, and the egfp-bsd fusion gene under control of a ef-1α promoter, yielding a B. bovis clonal line designated 6-Cys EKO-cln. Full genome sequencing of 6-Cys EKO-cln parasites was performed and in vitro inhibition assays using anti 6-Cys E antibodies. Full genome sequencing of 6-Cys EKO-cln B. bovis demonstrated single insertion of egfp-bsd gene that disrupts the integrity of 6-Cys gene E. Undistinguishable growth rate of 6-Cys EKO-cln line compared to wild-type 6-Cys E intact T3Bo B. bovis strain in in vitro cultures indicates that expression of gene 6-Cys E is not essential for blood stage replication in this strain. In vitro inhibition assays confirmed the ability of anti-6 Cys E antibodies to inhibit the growth of the wild-type Mo7 and T3Bo B. bovis parasites, but no significant inhibition was found for 6-Cys EKO-cln line parasites. Overall, the data suggest that the anti-6 Cys E antibody neutralising effect on the wild type strains is likely due to mechanical hindrance, or cross-reactivity, rather than due to functional requirements of 6-Cys gene E product for survival and development of the erythrocyte stages. Further investigation is underway to determine if the 6-Cys E protein is required for replication and sexual stage development of B. bovis during tick stages.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 25%
Student > Doctoral Student 3 13%
Researcher 3 13%
Student > Bachelor 2 8%
Student > Master 2 8%
Other 2 8%
Unknown 6 25%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 5 21%
Biochemistry, Genetics and Molecular Biology 4 17%
Agricultural and Biological Sciences 3 13%
Immunology and Microbiology 2 8%
Computer Science 1 4%
Other 3 13%
Unknown 6 25%
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 03 May 2017.
All research outputs
#17,890,958
of 22,968,808 outputs
Outputs from Parasites & Vectors
#3,841
of 5,487 outputs
Outputs of similar age
#221,832
of 310,760 outputs
Outputs of similar age from Parasites & Vectors
#122
of 144 outputs
Altmetric has tracked 22,968,808 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 5,487 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.7. 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 310,760 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 144 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.