Evidence map›Paper›PMID 25889925›Full record

ArticleVirology journal2015

Development and application of SYBR Green I real-time PCR assay for the separate detection of subgroup J Avian leukosis virus and multiplex detection of avian leukosis virus subgroups A and B.

Manman Dai, Min Feng, Di Liu, Weisheng Cao, Ming Liao

Open access · goldAbstract read
In one paragraph

Article in Virology journal, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
5.0field-weighted citation impact, top 4% 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

33 citing papers in PubMed, 67 citations in OpenAlex.

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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

5 authors at 1 institution in 1 country.

Manman DaiCollege of Veterinary Medicine, South China Agricultural University, Guangzhou, People's Republic of China. daimanman1229@163.com.
Min FengCollege of Animal Science, South China Agricultural University, Guangzhou, People's Republic of China. hunanfengmin@163.com.
Di LiuCollege of Veterinary Medicine, South China Agricultural University, Guangzhou, People's Republic of China. jailart@foxmail.com.
Weisheng CaoCollege of Veterinary Medicine, South China Agricultural University, Guangzhou, People's Republic of China. weishengcao@yahoo.com.
Ming LiaoKey Laboratory of Veterinary Vaccine Innovation of the Ministry of Agriculture, Guangzhou, People's Republic of China. mliao@scau.edu.cn.
South China Agricultural University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSubgroup A, B, and J ALVs are the most prevalent avian leukosis virus (ALV). Our study attempted to develop two SYBR Green I-based real-time PCR (RT-PCR) assays for specific detection of ALV subgroup J (ALV-J) and multiplex detection of ALV subgroups A and B (ALV-A/B), respectively.

resultsThe two assays showed high specificity for ALV-J and ALV-A/B and the sensitivity of the two assays was at least 100 times higher than that of the routine PCR assay. The minimum virus detection limit of virus culture, routine PCR and real-time PCR for detection of ALV-A strain was 10(3) TCID50 units, 10(2) TCID50 units and fewer than 10 TCID50 units, respectively. In addition, the coefficients of variation for intra- and inter-assay were both less than 5%. Forty clinical plasma samples were evaluated by real-time PCR, routine PCR, and virus culture with positive rates of 80% (32/40), 72.5% (29/40) and 62.5% (25/40), respectively. When the assay for detection of ALV-J was used to quantify the viral load of various organ tissues in chicken inoculated by ALV-J strains CHN06 and NX0101, the results exhibited that ALV-J genes could be detected in all organ tissues examined and the highest copies of ALV-J were mainly in heart and kidney samples at 30 weeks post-infection. Except in lung, the virus copies of CHN06 group were higher than that of NX0101 group in various organ tissues.

conclusionsThe SYBR Green I-based real-time RT-PCR assay provides a powerful tool for the detection of ALV and study of virus replication and infection.

Indexed as

Multiplex Polymerase Chain ReactionReal-Time Polymerase Chain ReactionAnimalsAvian LeukosisAvian Leukosis VirusBenzothiazolesChickensDiaminesGenes, ViralOrganic ChemicalsQuinolinesReference StandardsReproducibility of ResultsSensitivity and SpecificityViral LoadBenzothiazolesDiaminesOrganic ChemicalsQuinolinesSYBR Green I

Identifiers

PMID25889925
PMCPMC4403717
OpenAlexW2147391218

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.