Linkage Maps of Lowland and Upland Tetraploid Switchgrass Ecotypes
作者： Desalegn Serba , Limin Wu , Guillaume Daverdin , Bochra A. Bahri , Xuewen Wang
DOI: 10.1007/S12155-013-9315-6
关键词:
摘要: Switchgrass (Panicum virgatum L.) is a native perennial warm season (C4) grass that has been identified as promising species for bioenergy research and production. Consequently, biomass yield feedstock quality improvements are high priorities switchgrass research. The objective of this study was to develop genetic linkage map using full-sib pseudo-testcross mapping population derived from cross between two heterozygous genotypes selected the lowland cultivar ‘Alamo’ (AP13) upland ‘Summer’ (VS16). female parent consists 515 loci in 18 groups (LGs) spans 1,733 cM. male (VS16) arranges 363 17 LGs 1,508 No obvious cause lack one LG VS16 could be identified. Comparative analyses AP13 maps showed major ecotypic classes have highly colinear with similar recombination rates, suggesting chromosomal exchange ecotypes should able occur freely. also respect marker orders levels previously published maps. will used identify quantitative trait associated traits. genotype whole genome-sequencing project thus provide tool anchoring genome assembly.
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