Evidence map›Paper›PMID 18251389›Full record

ArticleAvian diseases2007

Sialidase activity in Mycoplasma synoviae.

Meghan May, Stanley H Kleven, Daniel R Brown

Open access · greenAbstract read
In one paragraph

Article in Avian diseases, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.4field-weighted citation impact, top 21% 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

12 citing papers in PubMed, 35 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

3 authors at 2 institutions in 1 country.

Meghan MayDepartment of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611-0880, USA.
Stanley H Kleven
Daniel R Brown
University of Florida · USUniversity of Georgia · US

Funding

Linked Virulence and Fitness of Mycoplasma alligatorisR01GM076584 · NIGMS · UNIVERSITY OF FLORIDA · PI BROWN, DANIEL R · 2006 to 2010
$1.3M
Annotation of the Mycoplasma alligatoris genomeR15HG002389 · NHGRI · UNIVERSITY OF FLORIDA · PI BROWN, DANIEL R · 2002 to 2002
$145k
NHGRI NIH HHS 1R15HG02389-01A1NHGRI NIH HHS R15 HG002389NIGMS NIH HHS R01 GM076584
6 · The paper itself

Abstract

Eleven strains of the avian pathogen Mycoplasma synoviae were evaluated for the presence of sialidase activity with the use of the fluorogenic substrate 2'-(4-methylumbelliferyl)-alpha-D-N-acetylneuraminic acid and the sialidase inhibitor 2-deoxy-2,3- didehydro-N-acetylneuraminic acid. The kinetics of in vitro growth in modified Frey medium were also assessed for each strain. Five strains had been isolated from clinically symptomatic chickens, and strains WVU 1853T and K3344 have been demonstrated to be capable of reproducing disease in specific-pathogen-free chickens. All strains exhibited sialidase activity, although the amount varied 65-fold among strains (P < 0.0001) from 1.3 x 10(-7) to 2.0 x 10(-9) activity units per colony-forming unit. Strains originally isolated from clinically symptomatic birds had more (P < 0.05) sialidase activity than strains from asymptomatic birds. Strain WVU1853T exhibited the most sialidase activity (P < 0.0001) and grew to the highest culture density (P < 0.0001) among strains, but across strains, the rank correlation of growth rate with sialidase activity was not significant. Negligible activity was detected in conditioned culture supernatant fluid. This is the first report of sialidase activity in pathogenic strains of M. synoviae, which suggests a potential enzymatic basis for virulence of the organism.

Indexed as

HymecromoneMycoplasma synoviaeN-Acetylneuraminic AcidNeuraminidaseTime Factors2'-(4-methylumbelliferyl)-alpha-D-N-acetylneuraminic acid2-deoxy-2,3-dehydro-N-acetylneuraminic acidHymecromoneN-Acetylneuraminic AcidNeuraminidase

Identifiers

PMID18251389
PMCPMC2276636
OpenAlexW2062868513

What OpenQuestion holds

Textmetadata
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.