Evidence map›Paper›PMID 27070939›Full record

ArticlePloS one2016

Comparison of RAPD, ISSR, and AFLP Molecular Markers to Reveal and Classify Orchardgrass (Dactylis glomerata L.) Germplasm Variations.

Rita Costa, Graça Pereira, Inmaculada Garrido, Manuel María Tavares-de-Sousa, Francisco Espinosa

Abstract readComparative Study
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

24 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  11. Amplified Fragment Length Polymorphism: Applications and Recent Developments.Methods in molecular biology (Clifton, N.J.) · 2021
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  18. Molecular analysis of genetic diversity and population genetic structure inPhysiology and molecular biology of plants : an international journal of functional plant biology · 2019
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  20. Low genetic variation of invasiveEcology and evolution · 2018
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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.

Rita CostaUnidade Estratégica de Investigação e Serviços de Biotecnologia e Recursos genéticos, INIAV-Pólo de Elvas, Estrada Gil Vaz, 6. 7351-901, Elvas, Portugal.
Graça PereiraUnidade Estratégica de Investigação e Serviços de Biotecnologia e Recursos genéticos, INIAV-Pólo de Elvas, Estrada Gil Vaz, 6. 7351-901, Elvas, Portugal.
Inmaculada GarridoÁrea de Fisiología Vegetal, Facultad de Ciencias, Universidad de Extremadura, Avda. de Elvas s/n. E-06006, Badajoz, Spain.
Manuel María Tavares-de-SousaUnidade Estratégica de Investigação e Serviços de Biotecnologia e Recursos genéticos, INIAV-Pólo de Elvas, Estrada Gil Vaz, 6. 7351-901, Elvas, Portugal.
Francisco EspinosaÁrea de Fisiología Vegetal, Facultad de Ciencias, Universidad de Extremadura, Avda. de Elvas s/n. E-06006, Badajoz, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Three different DNA-based techniques, Random Amplified Polymorphic DNA (RAPD), Inter Simple Sequence Repeat (ISSR) and Amplified Fragment Length Polymorphism (AFLP) markers, were used for fingerprinting Dactylis glomerata genotypes and for detecting genetic variation between the three different subspecies. In this study, RAPD assays produced 97 bands, of which 40 were polymorphic (41.2%). The ISSR primers amplified 91 bands, and 54 showed polymorphism (59.3%). Finally, the AFLP showed 100 bands, of which 92 were polymorphic (92%). The fragments were scored as present (1) or absent (0), and those readings were entered in a computer file as a binary matrix (one for each marker). Three cluster analyses were performed to express--in the form of dendrograms--the relationships among the genotypes and the genetic variability detected. All DNA-based techniques used were able to amplify all of the genotypes. There were highly significant correlation coefficients between cophenetic matrices based on the genetic distance for the RAPD, ISSR, AFLP, and combined RAPD-ISSR-AFLP data (0.68, 0.78, 0.70, and 0.70, respectively). Two hypotheses were formulated to explain these results; both of them are in agreement with the results obtained using these three types of molecular markers. We conclude that when we study genotypes close related, the analysis of variability could require more than one DNA-based technique; in fact, the genetic variation present in different sources could interfere or combine with the more or less polymorphic ability, as our results showed for RAPD, ISSR and AFLP markers. Our results indicate that AFLP seemed to be the best-suited molecular assay for fingerprinting and assessing genetic relationship among genotypes of Dactylis glomerata.

Indexed as

Amplified Fragment Length Polymorphism AnalysisCluster AnalysisDactylisDNA FingerprintingDNA, PlantGenetic MarkersGenetic VariationMicrosatellite RepeatsPolymorphism, GeneticPortugalRandom Amplified Polymorphic DNA TechniqueDNA, PlantGenetic Markers

Identifiers

PMID27070939
PMCPMC4829269

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Registered trials

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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.