NDLI: Development of gene-based markers and construction of an integrated linkage map in eggplant by using Solanum orthologous (SOL) gene sets

Content Provider	Springer Nature Link
Author	Fukuoka, Hiroyuki Miyatake, Koji Nume, Tsukasa Negoro, Satomi Shirasawa, Kenta Isobe, Sachiko Asamizu, Erika Yamaguchi, Hirotaka Ohyama, Akio
Copyright Year	2012
Abstract	We constructed an integrated DNA marker linkage map of eggplant (Solanum melongena L.) using DNA marker segregation data sets obtained from two independent intraspecific F2 populations. The linkage map consisted of 12 linkage groups and encompassed 1,285.5 cM in total. We mapped 952 DNA markers, including 313 genomic SSR markers developed by random sequencing of simple sequence repeat (SSR)-enriched genomic libraries, and 623 single-nucleotide polymorphisms (SNP) and insertion/deletion polymorphisms (InDels) found in eggplant-expressed sequence tags (ESTs) and related genomic sequences [introns and untranslated regions (UTRs)]. Because of their co-dominant inheritance and their highly polymorphic and multi-allelic nature, the SSR markers may be more versatile than the SNP and InDel markers for map-based genetic analysis of any traits of interest using segregating populations derived from any intraspecific crosses of practical breeding materials. However, we found that the distribution of microsatellites in the genome was biased to some extent, and therefore a considerable part of the eggplant genome was first detected when gene-derived SNP and InDel markers were mapped. Of the 623 SNP and InDel markers mapped onto the eggplant integrated map, 469 were derived from eggplant unigenes contained within Solanum orthologous (SOL) gene sets (i.e., sets of orthologous unigenes from eggplant, tomato, and potato). Out of the 469 markers, 326 could also be mapped onto the tomato map. These common markers will be informative landmarks for the transfer of tomato’s more saturated genomic information to eggplant and will also provide comparative information on the genome organization of the two solanaceous species. The data are available from the DNA marker database of vegetables, VegMarks ( http://vegmarks.nivot.affrc.go.jp ).
Starting Page	47
Ending Page	56
Page Count	10
File Format	PDF
ISSN	00405752
Journal	Theoretical and Applied Genetics
Volume Number	125
Issue Number	1
e-ISSN	14322242
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-02-16
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biochemistry Agriculture Biotechnology Plant Biochemistry Plant Genetics & Genomics Plant Breeding/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biotechnology Agronomy and Crop Science

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