Evidence map›Paper›PMID 28407817›Full record

ArticleVirology journal2017

Preliminary study of the UL55 gene based on infectious Chinese virulent duck enteritis virus bacterial artificial chromosome clone.

Ying Wu, Yangguang Li, Mingshu Wang, Kunfeng Sun, Renyong Jia, Shun Chen, Dekang Zhu, Mafeng Liu, Qiao Yang, Xinxin Zhao and 2 more

Open access · goldAbstract read
In one paragraph

Article in Virology journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.3field-weighted citation impact, top 22% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 31 citations in OpenAlex.

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  14. Duck Enteritis Virus VP16 Antagonizes IFN-Journal of immunology research · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 1 institution in 1 country.

Ying WuInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Yangguang LiInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Mingshu WangInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Kunfeng SunInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Renyong JiaInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Shun ChenInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Dekang ZhuKey Laboratory of Animal Diseases and Human Health of Sichuan Province, Chengdu, Sichuan, 611130, China.
Mafeng LiuInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Qiao YangInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Xinxin ZhaoInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
Xiaoyue ChenKey Laboratory of Animal Diseases and Human Health of Sichuan Province, Chengdu, Sichuan, 611130, China.
Anchun ChengInstitute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China. chenganchun@vip.163.com.
Sichuan Agricultural University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLethal Duck Enteritis Virus (DEV) infection can cause high morbidity and mortality of many species of waterfowl within the order Anseriformes. However, little is known about the function of viral genes including the conserved UL55 gene among alpha herpes virus due to the obstacles in maintenance and manipulation of DEV genome in host cells.

methodsIn this paper, we constructed an infectious bacteria artificial chromosome (BAC) clone of the lethal clinical isolate duck enteritis virus Chinese virulent strain (DEV CHv) by inserting a transfer vector containing BAC mini-F sequence and selection marker EGFP into UL23 gene using homologous recombination. UL55 deletion and its revertant mutant were generated by two-step RED recombination in E. coli on basis of rescued recombinant virus. The function of UL55 gene in DEV replication and its effect on distribution of UL26.5 protein were carried out by growth characteristics and co-localization analysis.

resultsThe complete genome of DEV CHv can be stably maintained in E. coli as a BAC clone and reconstituted again in DEF cells. The generated UL55 deletion mutant based on DEV CHv-BAC-G displayed similar growth curves, plaque morphology and virus titer of its parental virus in infected Duck Embryo Fibroblast (DEF) cells. Immunofluorescence assay indicated that the loss of UL55 gene do not affect the distribution of UL26.5 protein in intracellular. These data also suggest infectious BAC clone of DEV CHv will facilitate the gene function studies of DEV genome.

conclusionsWe have successfully developed an infectious BAC clone of lethal clinical isolate DEV CHv for the first time. The generated UL55 gene mutant based on that demonstrated this platform would be a very useful tool for functional study of DEV genes. We found the least known DEV UL55 is dispensable for virus replication and UL26.5 distribution, and it could be a very promise candidate locus for developing bivalent vaccine. Experiment are now in progress for testifying the possibility of UL55 gene locus as an exogenous gene insertion site for developing DEV vectored vaccine.

Indexed as

Virus ReplicationAnimalsCells, CulturedChinaChromosomes, Artificial, BacterialDucksEscherichia coliFibroblastsGene DeletionGenetic Complementation TestMardivirusReverse GeneticsViral ProteinsViral ProteinsBacteria artificial chromosomeChinese virulent strainDuck enteritis virusUL55

Identifiers

PMID28407817
PMCPMC5390382
OpenAlexW2607014872

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.