An evaluation of sequence tagged microsatellite site markers for genetic analysis withinCitrusand related species
- 1 April 1995
- journal article
- research article
- Published by Canadian Science Publishing in Genome
- Vol. 38 (2), 349-355
- https://doi.org/10.1139/g95-045
Abstract
Microsatellites, also called sequence tagged microsatellite sites (STMSs), have become important markers for genome analysis but are currently little studied in plants. To assess the value of STMSs for analysis within the Citrus plant species, two example STMSs were isolated from an intergeneric cross between rangpur lime (Citrus × limonia Osbeck) and trifoliate orange (Poncirus trifoliata (L.) Raf.). Unique flanking primers were constructed for polymerase chain reaction amplification both within the test cross and across a broad range of citrus and related species. Both loci showed length variation between test cross parents with alleles segregating in a Mendelian fashion to progeny. Amplification across species showed the STMS flanking primers to be conserved in every genome tested. The traits of polymorphism, inheritance, and conservation across species mean that STMS markers are ideal for genome mapping within Citrus, which contains high levels of genetic variability.Key words: citrus, microsatellites, sequence-tagged site, STS.Keywords
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