A Microsatellite-based Genetic Map of Melon and Localization of Gene for Gynoecious Sex Expression Using Recombinant Inbred Lines

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (7): 1308-1316.

• Vegetables • Previous Articles Next Articles

A Microsatellite-based Genetic Map of Melon and Localization of Gene for Gynoecious Sex Expression Using Recombinant Inbred Lines

GAO Mei-ling1,2，ZHU Zi-cheng1，GAO Peng1，and LUAN Fei-shi1,*

（1 College of Horticulture，Northeast Agricultural University，Harbin 150030，China；2College of Life Science，Agriculture and Forestry，Qiqihaer University，Qiqihaer，Heilongjiang 161006，China）

Received:2011-03-30 Revised:2011-05-31 Online:2011-07-25 Published:2011-07-25
Contact: LUAN Fei-shi1,*

Abstract

Abstract: A recombinant inbred line（RIL）mapping population of melon，Cucumis melo L. comprising of 185 F6︰7 families was developed from a cross between the monoecious inbred line 3-2-2（AAGG）and the gynoecious inbred line WI998（AAgg）through single-seed descent（SSD）. This RIL population was used to develop a linkage map with microsatellite（or simple sequence repeat，SSR）markers. Of 1 219 SSR markers screened，215（17.6%）were polymorphic between the two parental lines which were applied for linkage analysis in 185 RILs. The resulting genetic map consisted of 18 linkage groups spanning 937.1 cM with a mean marker interval of 4.4 cM. Two SSR markers，NR3 and MU8294_1 were identified flanking the g locus in linkage group 1 which was 1.2 cM and 2.6 cM away from the gynoecy gene，respectively.

Key words: melon, Cucumis melo L., RIL, SSR, genetic map, gynoecious, localization of gene

CLC Number:

S 652

GAO Mei-ling;ZHU Zi-cheng;GAO Peng;and LUAN Fei-shi;. A Microsatellite-based Genetic Map of Melon and Localization of Gene for Gynoecious Sex Expression Using Recombinant Inbred Lines [J]. ACTA HORTICULTURAE SINICA, 2011, 38(7): 1308-1316.

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A Microsatellite-based Genetic Map of Melon and Localization of Gene for Gynoecious Sex Expression Using Recombinant Inbred Lines

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