Evidence map›Paper›PMID 17663790›Full record

ArticleGenome biology2007

Using comparative genomics to reorder the human genome sequence into a virtual sheep genome.

Brian P Dalrymple, Ewen F Kirkness, Mikhail Nefedov, Sean McWilliam, Abhirami Ratnakumar, Wes Barris, Shaying Zhao, Jyoti Shetty, Jillian F Maddox, Margaret O'Grady and 8 more

Open access · goldAbstract readComparative Study
In one paragraph

Article in Genome biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
4.6field-weighted citation impact, top 4% 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

40 citing papers in PubMed, 110 citations in OpenAlex.

  1. Recent advances in the genomic resources for sheep.Mammalian genome : official journal of the International Mammalian Genome Society · 2023
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  19. Advanced comparative cytogenetic analysis of X chromosomes in river buffalo, cattle, sheep, and human.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012
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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

18 authors at 7 institutions in 3 countries.

Brian P DalrympleCSIRO Livestock Industries, Carmody Road, St Lucia, Queensland 4067, Australia. brian.dalrymple@csiro.au
Ewen F Kirkness
Mikhail Nefedov
Sean McWilliam
Abhirami Ratnakumar
Wes Barris
Shaying Zhao
Jyoti Shetty
Jillian F Maddox
Margaret O'Grady
Frank Nicholas
Allan M Crawford
Tim Smith
Pieter J de Jong
John McEwan
V Hutton Oddy
Noelle E Cockett
International Sheep Genomics Consortium
Commonwealth Scientific and Industrial Research Organisation · AUAgResearch · NZAgricultural Research Service · USThe University of Melbourne · AUThe University of Sydney · AUUniversity of New England · AUUtah State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIs it possible to construct an accurate and detailed subgene-level map of a genome using bacterial artificial chromosome (BAC) end sequences, a sparse marker map, and the sequences of other genomes?

resultsA sheep BAC library, CHORI-243, was constructed and the BAC end sequences were determined and mapped with high sensitivity and low specificity onto the frameworks of the human, dog, and cow genomes. To maximize genome coverage, the coordinates of all BAC end sequence hits to the cow and dog genomes were also converted to the equivalent human genome coordinates. The 84,624 sheep BACs (about 5.4-fold genome coverage) with paired ends in the correct orientation (tail-to-tail) and spacing, combined with information from sheep BAC comparative genome contigs (CGCs) built separately on the dog and cow genomes, were used to construct 1,172 sheep BAC-CGCs, covering 91.2% of the human genome. Clustered non-tail-to-tail and outsize BACs located close to the ends of many BAC-CGCs linked BAC-CGCs covering about 70% of the genome to at least one other BAC-CGC on the same chromosome. Using the BAC-CGCs, the intrachromosomal and interchromosomal BAC-CGC linkage information, human/cow and vertebrate synteny, and the sheep marker map, a virtual sheep genome was constructed. To identify BACs potentially located in gaps between BAC-CGCs, an additional set of 55,668 sheep BACs were positioned on the sheep genome with lower confidence. A coordinate conversion process allowed us to transfer human genes and other genome features to the virtual sheep genome to display on a sheep genome browser.

conclusionWe demonstrate that limited sequencing of BACs combined with positioning on a well assembled genome and integrating locations from other less well assembled genomes can yield extensive, detailed subgene-level maps of mammalian genomes, for which genomic resources are currently limited.

Indexed as

GenomeGenomicsPhysical Chromosome MappingAnimalsBase SequenceCattleChromosomes, Artificial, BacterialDogsGene LibraryGenome, HumanHumansMolecular Sequence DataSequence Analysis, DNASheep, Domestic

Identifiers

PMID17663790
PMCPMC2323240
OpenAlexW2115725535

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.