Evidence map›Paper›PMID 17476775›Full record

ArticleProceedings. Biological sciences2007

Microsatellite typing of ancient maize: insights into the history of agriculture in southern South America.

Verónica V Lia, Viviana A Confalonieri, Norma Ratto, Julián A Cámara Hernández, Ana M Miante Alzogaray, Lidia Poggio, Terence A Brown

Abstract read
In one paragraph

Article in Proceedings. Biological sciences, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing 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

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

14 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Toward high-resolution population genomics using archaeological samples.DNA research : an international journal for rapid publication of reports on genes and genomes · 2016
    Review
  9. Article
  10. Article
  11. Article
  12. Tracking footprints of maize domestication and evidence for a massive selective sweep on chromosome 10.Proceedings of the National Academy of Sciences of the United States of America · 2009
    Review
  13. Article
  14. Complex mutational patterns and size homoplasy at maize microsatellite loci.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2007
    Article
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

7 authors.

Verónica V LiaConsejo Nacional de Investigaciones Cientificas y Técnicas, Avenida Rivadavia 1917, CP C1033AAJ Ciudad de Buenos Aires, Argentina.
Viviana A Confalonieri
Norma Ratto
Julián A Cámara Hernández
Ana M Miante Alzogaray
Lidia Poggio
Terence A Brown

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Archaeological maize specimens from Andean sites of southern South America, dating from 400 to 1400 years before present, were tested for the presence of ancient DNA and three microsatellite loci were typed in the specimens that gave positive results. Genotypes were also obtained for 146 individuals corresponding to modern landraces currently cultivated in the same areas and for 21 plants from Argentinian lowland races. Sequence analysis of cloned ancient DNA products revealed a high incidence of substitutions appearing in only one clone, with transitions prevalent. In the archaeological specimens, there was no evidence of polymorphism at any one of the three microsatellite loci: each exhibited a single allelic variant, identical to the most frequent allele found in contemporary populations belonging to races Amarillo Chico, Amarillo Grande, Blanco and Altiplano. Affiliation between ancient specimens and a set of races from the Andean complex was further supported by assignment tests. The striking genetic uniformity displayed by the ancient specimens and their close relationship with the Andean complex suggest that the latter gene pool has predominated in the western regions of southern South America for at least the past 1400 years. The results support hypotheses suggesting that maize cultivation initially spread into South America via a highland route, rather than through the lowlands.

Indexed as

Microsatellite RepeatsCrops, AgriculturalGenotypeGeographyPhylogenyPolymorphism, GeneticSequence Analysis, DNASouth AmericaZea mays

Identifiers

PMID17476775
PMCPMC1766387

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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.