Comparative Mapping of the Dwarf Gene Bu from Tropical Pumpkin （Cucurbita moschata Duchesne）

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (1): 95-100.

• Vegetables • Previous Articles Next Articles

Comparative Mapping of the Dwarf Gene Bu from Tropical Pumpkin （Cucurbita moschata Duchesne）

WANG Shen-hao1,*，LI Hai-zhen2,*，ZHANG Zhong-hua1，HE Jun1，JIA Chang-cai2，ZHANG Fan2，and HUANG San-wen1,**

（1Key Laboratory of Horticultural Crops Genetic Improvement of Ministry of Agriculture，Sino-Dutch Joint Lab of Horticultural Genomics Technology，Institute of Vegetables and Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081，China；2Beijing Vegetable Research Center，Beijing Academy of Agriculture and Forestry Sciences，Beijing 100097，China）

Received:2010-06-03 Revised:2011-08-01 Online:2011-01-25 Published:2011-01-25
Contact: HUANG San-wen

Abstract

Abstract: A segregating BC6F2 population was developed using a dwarf mutant of Cucurbita moschata Duch. as donor and the vine C. maxima Duch.‘Mengri’as recurrent parent. Using the segregating population，the gene Bu was comparatively mapped on chromosome 5 of cucumber. An intron-flanking marker IF3629 was found to be tightly linked to the Bu gene，with a genetic distance of 1.0 cM. The marker IF3629 will not only be useful in markers-assisted selection for dwarf plant，but also provide a starting point toward positional isolation of the dwarf Bu gene in squash.

Key words: squash, dwarf gene, comparative genomics, molecular marker

CLC Number:

S 642.1

WANG Shen-hao;LI Hai-zhen;ZHANG Zhong-hua;HE Jun;JIA Chang-cai;ZHANG Fan;and HUANG San-wen;. Comparative Mapping of the Dwarf Gene Bu from Tropical Pumpkin （Cucurbita moschata Duchesne）[J]. ACTA HORTICULTURAE SINICA, 2011, 38(1): 95-100.

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Comparative Mapping of the Dwarf Gene Bu from Tropical Pumpkin （Cucurbita moschata Duchesne）

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