EST-SSR genetic maps for Citrus sinensis and Poncirus trifoliata

Publication Overview
TitleEST-SSR genetic maps for Citrus sinensis and Poncirus trifoliata
AuthorsChen C, Bowman KD, Choi YA, Dang PM, Rao MN, Huang S, Soneji JR, McCollum TG, Gmitter FGJ
TypeJournal Article
Journal NameTree genetics & genomes
CitationChen C, Bowman KD, Choi YA, Dang PM, Rao MN, Huang S, Soneji JR, McCollum TG, Gmitter FGJ. EST-SSR genetic maps for Citrus sinensis and Poncirus trifoliata. Tree genetics & genomes. 2008; 4(1):1-10.


The segregation of 141 polymorphic expressed sequence tag-simple sequence repeat (EST-SSR) markers in an F1 intergeneric citrus population was studied to build the first extensive EST maps for the maternal sweet orange and paternal Poncirus genomes. Of these markers, 122 were found segregating in sweet orange, 59 in Poncirus, and 40 in both. Eleven linkage groups with 113 markers in sweet orange, 8 with 45 markers in Poncirus, and 13 with 123 markers in the cross pollinator (CP) consensus of both, were constructed. About 775.8 cM of sweet orange genome and 425.7 cM of Poncirus genome were covered. Through comparison of shared markers, three cases were found where two linkage groups in one map apparently were colinear with one group of the other map; Poncirus linkages Ar1a and Ar1b and consensus linkages CP1a and CP1b, were both collinear with one sweet orange linkage, Sa1, as were sweet orange Sa3a and Sa3b with Poncirus Ar3 and consensus CP3, and sweet orange Sa7a and Sa7b, and consensus CP7a and CP7b with Poncirus Ar7. These EST-SSR markers are particularly useful for constructing comparative framework maps for related genera because they amplify orthologous genes to provide anchor points across taxa. All SSR primers are freely available to the citrus community.
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Publication TypeJournal Article
Publication Date2008
Published Location|||
Language Abbreng
Publication Model[electronic resource].
KeywordsCitroncirus webberi, microsatellite repeats, expressed sequence tags, chromosome mapping, Citrus sinensis, Poncirus trifoliata, population genetics, genomics, citrus fruits, hybrids, genotype, DNA primers, genome, linkage (genetics), genetic polymorphism, genotyping
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AGL: USDA National Agricultural LibraryAGL:3979502