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Genetics and timing of sex determination in the East African cichlid fish Astatotilapia burtoni

Overview of attention for article published in BMC Genomic Data, December 2014
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Title
Genetics and timing of sex determination in the East African cichlid fish Astatotilapia burtoni
Published in
BMC Genomic Data, December 2014
DOI 10.1186/s12863-014-0140-5
Pubmed ID
Authors

Corina Heule, Carolin Göppert, Walter Salzburger, Astrid Böhne

Abstract

BackgroundThe factors determining sex are diverse in vertebrates and especially so in teleost fishes. Only a handful of master sex-determining genes have been identified, however great efforts have been undertaken to characterize the subsequent genetic network of sex differentiation in various organisms. East African cichlids offer an ideal model system to study the complexity of sexual development, since many different sex-determining mechanisms occur in closely related species of this fish family. Here, we investigated the sex-determining system and gene expression profiles during male development of Astatotilapia burtoni, a member of the rapidly radiating and exceptionally species-rich haplochromine lineage.ResultsCrossing experiments with hormonally sex-reversed fish provided evidence for an XX-XY sex determination system in A. burtoni. Resultant all-male broods were used to assess gene expression patterns throughout development of a set of candidate genes, previously characterized in adult cichlids only.ConclusionsWe could identify the onset of gonad sexual differentiation at 11¿12 dpf. The expression profiles identified wnt4B and wt1A as the earliest gonad markers in A. burtoni. Furthermore we identified late testis genes (cyp19a1A, gsdf, dmrt1 and gata4), and brain markers (ctnnb1A, ctnnb1B, dax1A, foxl2, foxl3, nanos1A, nanos1B, rspo1, sf-1, sox9A and sox9B).

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Mendeley readers

The data shown below were compiled from readership statistics for 70 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Netherlands 1 1%
Germany 1 1%
Unknown 68 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 17 24%
Student > Ph. D. Student 13 19%
Student > Bachelor 9 13%
Student > Master 8 11%
Student > Doctoral Student 4 6%
Other 11 16%
Unknown 8 11%
Readers by discipline Count As %
Agricultural and Biological Sciences 38 54%
Biochemistry, Genetics and Molecular Biology 14 20%
Environmental Science 3 4%
Arts and Humanities 1 1%
Economics, Econometrics and Finance 1 1%
Other 2 3%
Unknown 11 16%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 December 2014.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from BMC Genomic Data
#861
of 1,204 outputs
Outputs of similar age
#268,371
of 361,429 outputs
Outputs of similar age from BMC Genomic Data
#26
of 38 outputs
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We're also able to compare this research output to 38 others from the same source and published within six weeks on either side of this one. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.