A genetic map of Xenopus tropicalis
2011

Genetic Map of Xenopus tropicalis

Sample size: 190 publication Evidence: high

Author Information

Author(s): Wells Dan E., Gutierrez Laura, Xu Zhenkang, Krylov Vladimir, Macha Jaroslav, Blankenburg Kerstin P., Hitchens Matthew, Bellot Larry J., Spivey Mary, Stemple Derek L., Kowis Andria, Ye Yuan, Pasternak Shiran, Owen Jenetta, Tran Thu, Slavikova Renata, Tumova Lucie, Tlapakova Tereza, Seifertova Eva, Scherer Steven E., Sater Amy K.

Primary Institution: Department of Biology and Biochemistry, University of Houston

Hypothesis

The study aims to create a genetic map for Xenopus tropicalis using Simple Sequence Length Polymorphisms (SSLPs).

Conclusion

The genetic map consists of 2886 SSLP markers and represents at least 66% of the Xenopus tropicalis genome.

Supporting Evidence

  • A total of 2886 SSLP markers were identified and genotyped.
  • The genetic map includes 10 major linkage groups and 4 minor linkage groups.
  • The effective size of the genetic map is approximately 1658 cM.
  • Fluorescence In Situ Hybridization was used to assign linkage groups to chromosomes.
  • The map provides representation of a minimum of 66% of the Xenopus tropicalis genome.
  • Nearly 4000 SSLPs were genotyped to create the map.
  • Unique SSRs were identified using a bioinformatics-based strategy.

Takeaway

Scientists made a map of genes in a frog called Xenopus tropicalis to help understand its genetics better.

Methodology

The study used bioinformatics to identify SSLPs, genotyped them in a mapping cross of 190 F2 individuals, and assigned linkage groups to chromosomes using Fluorescence In Situ Hybridization.

Limitations

Some markers could not be uniquely identified on a single scaffold, and there were discrepancies in short-range marker order.

Participant Demographics

The study involved inbred Nigerian and Ivory Coast strains of Xenopus tropicalis.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1016/j.ydbio.2011.03.022

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