Chromosomal assignment of R-spondin genes in the donkey (Equus asinus, 2n = 62).
Abstract: R-spondins constitute a recently discovered small family of growth factors, and the evidence of their role in several developmental pathways is growing fast. In this work we describe the chromosomal location of the four RSPO genes in the donkey. Using horse BACs, we localized RSPO1 on EAS 5q23, RSPO2 on EAS 12q13, RSPO3 on EAS 24q26, and RSPO4 on EAS 15p13. Moreover, RSPO2, RSPO3, and RSPO4 are the first genes mapped on donkey chromosomes 12, 24, and 15, respectively.
Publication Date: 2010-08-20 PubMed ID: 20720306DOI: 10.1007/BF03208861Google Scholar: Lookup
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Summary
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This research paper details the chromosomal location of the four R-spondin genes in donkeys.
Introduction to R-spondin genes
- The R-spondins are a family of growth factors, which have recently been discovered. They play a significant role in several developmental pathways.
- Understanding their role and location is critical because these growth factors contribute to the functioning and development of organisms.
Objective of the Study
- The objective of this research was to find the precise chromosomal location of the four R-spondin (RSPO) genes in the donkey (Equus asinus, 2n = 62).
- This process is crucial in understanding the function of these genes and their effect on the growth and development of the donkey.
Methodology
- The researchers used horse Bacterial Artificial Chromosomes (BACs) in their study.
- BACs are DNA sequences, useful for genetic studies as they enable the cloning of large DNA fragments.
- The horse BACs were critical in this study for identifying the locations of the RSPO genes on the donkey chromosomes.
Findings
- The researchers found the locations of the four RSPO genes in the donkey. They found RSPO1 to be on EAS 5q23, RSPO2 on EAS 12q13, RSPO3 on EAS 24q26, and RSPO4 on EAS 15p13.
- Interestingly, the RSPO2, RSPO3, and RSPO4 genes are the first genes to be mapped on the donkey chromosomes 12, 24, and 15, respectively. This discovery could further contribute to genetic studies in donkeys.
Conclusion
- This research has advanced our understanding of gene mapping in donkeys.
- Finding the locations of RSPO genes could open up new paths of study into understanding their function and impact on the overall physiological make-up of the donkey.
Cite This Article
APA
De Lorenzi L, Genualdo V, Perucatti A, Pia Di Meo G, Molteni L, Iannuzzi L, Parma P.
(2010).
Chromosomal assignment of R-spondin genes in the donkey (Equus asinus, 2n = 62).
J Appl Genet, 51(3), 319-321.
https://doi.org/10.1007/BF03208861 Publication
Researcher Affiliations
- Department of Animal Science, Milan University, Milan, Italy.
MeSH Terms
- Animals
- Chromosome Mapping
- Chromosomes, Artificial, Bacterial / genetics
- Chromosomes, Mammalian / genetics
- Equidae / genetics
- Genetic Loci / genetics
- Horses / genetics
- In Situ Hybridization, Fluorescence
- Thrombospondins / genetics
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