Evidence map›Paper›PMID 16027992›Full record

ArticleMarine biotechnology (New York, N.Y.)

Development of EST-SSR markers by data mining in three species of shrimp: Litopenaeus vannamei, Litopenaeus stylirostris, and Trachypenaeus birdy.

Franklin Pérez, Juan Ortiz, Mariuxi Zhinaula, Cesar Gonzabay, Jorge Calderón, Filip A M J Volckaert

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Article in Marine biotechnology (New York, N.Y.). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–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

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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

27 citing papers in PubMed.

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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

6 authors.

Franklin PérezFundación CENAIM-ESPOL, Km. 30.5 Viá Perimetral, Campus Politécnico, Guayaquil, Ecuador. franklin@cenaim.espol.edu.ec
Juan Ortiz
Mariuxi Zhinaula
Cesar Gonzabay
Jorge Calderón
Filip A M J Volckaert

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report on the data mining of publicly available Litopenaeus vannamei expressed sequence tags (ESTs) to generate simple sequence repeat (SSRs) markers and on their transferability between related Penaeid shrimp species. Repeat motifs were found in 3.8% of the evaluated ESTs at a frequency of one repeat every 7.8 kb of sequence data. A total of 206 primer pairs were designed, and 112 loci were amplified with the highest success in L. vannamei. A high percentage (69%) of EST-SSRs were transferable within the genus Litopenaeus. More than half of the amplified products were polymorphic in a small testing panel of L. vannamei. Evaluation of those primers in a larger testing panel showed that 72% of the markers fit Hardy-Weinberg equilibrium, which shows their utility for population genetic analysis. Additionally, a set of 26 of the EST-SSRs were evaluated for Mendelian segregation. A high percentage of monomorphic markers (46%) proved to be polymorphic by singles-stranded conformational polymorphism analysis. Because of the high number of ESTs available in public databases, a data mining approach similar to the one outlined here might yield high numbers of SSR markers in many animal taxa.

Indexed as

Databases, Nucleic AcidGenetic MarkersAnimalsChromosome MappingDNA PrimersExpressed Sequence TagsGenetics, PopulationGenetic VariationMicrosatellite RepeatsModels, BiologicalPenaeidaePolymorphism, GeneticPolymorphism, Single-Stranded ConformationalSequence Analysis, DNASequence Homology, Nucleic AcidDNA PrimersGenetic Markers

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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.