Evidence map›Paper›PMID 20821315›Full record

ArticleImmunogenetics2010

MHC class I and MHC class II DRB gene variability in wild and captive Bengal tigers (Panthera tigris tigris).

Ina Pokorny, Reeta Sharma, Surendra Prakash Goyal, Sudanshu Mishra, Ralph Tiedemann

Erratum issuedAbstract readComparative Study
PubMed Publisher
In one paragraph

Article in Immunogenetics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

23 citing papers in PubMed, 41 citations in OpenAlex.

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4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

5 authors at 3 institutions in 3 countries.

Ina PokornyUnit of Evolutionary Biology/Systematic Zoology, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany.
Reeta Sharma
Surendra Prakash Goyal
Sudanshu Mishra
Ralph Tiedemann
University of Potsdam · DEWildlife Institute of India · INInstituto Gulbenkian de Ciência · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bengal tigers are highly endangered and knowledge on adaptive genetic variation can be essential for efficient conservation and management. Here we present the first assessment of allelic variation in major histocompatibility complex (MHC) class I and MHC class II DRB genes for wild and captive tigers from India. We amplified, cloned, and sequenced alpha-1 and alpha-2 domain of MHC class I and beta-1 domain of MHC class II DRB genes in 16 tiger specimens of different geographic origin. We detected high variability in peptide-binding sites, presumably resulting from positive selection. Tigers exhibit a low number of MHC DRB alleles, similar to other endangered big cats. Our initial assessment-admittedly with limited geographic coverage and sample size-did not reveal significant differences between captive and wild tigers with regard to MHC variability. In addition, we successfully amplified MHC DRB alleles from scat samples. Our characterization of tiger MHC alleles forms a basis for further in-depth analyses of MHC variability in this illustrative threatened mammal.

Indexed as

Genes, MHC Class IGenes, MHC Class IIAllelesAmino Acid SequenceAmino Acid SubstitutionAnimalsAnimals, WildAnimals, ZooDNAEndangered SpeciesFecesFelidaeGenetic VariationIndiaMolecular Sequence DataPhylogenyDNA

Identifiers

PMID20821315
OpenAlexW1997246805

What OpenQuestion holds

Textmetadata
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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.