Segregation distortion and linkage analysis in F2 populations of pumpkin (C.Moschata Duch)

IF 2.2 Q3 GENETICS & HEREDITY

Plant Gene Pub Date : 2025-04-08 DOI:10.1016/j.plgene.2025.100508

Zixia Zhang, Yanfang Jiang, Hailong Zhu, Ziyao Chen, Zefa Liu

引用次数: 0

Abstract

F₂ materials derived from a cross between introgression lines B-5 × A-3 were used as mapping population in C. moschata. Duch. Among the 89 genetic markers (ls, yf, and 87 marker alleles) analyzed, 5 markers (5.6 % P<0.01) and 12 markers (13.5 % P<0.01) showed genetic distortion in the F₂ population. Among these segregation distortion genetic markers, 11 genetic markers were skewed to the male parent B-5(64.70 %), 3 genetic markers were skewed to the heterozygote (17.65 %), and 3 genetic markers were skewed to both parents (17.65 %). These segregation distortion genetic markers were in the clusters of tight loci or single markers, which were distributed in 9 different chromosomes with 3 (SDR1, SDR2, and SDR3) hot regions in 3 (LGP2, LGP6, and LGP10) of them. In this research, reasons for segregation distortion were discussed, and the gametophyte selection may be the result of segregation distortion of genetic polymorphic loci.

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来源期刊

Plant Gene Agricultural and Biological Sciences-Plant Science

CiteScore

4.50

自引率

0.00%

发文量

审稿时长

51 days

期刊介绍： Plant Gene publishes papers that focus on the regulation, expression, function and evolution of genes in plants, algae and other photosynthesizing organisms (e.g., cyanobacteria), and plant-associated microorganisms. Plant Gene strives to be a diverse plant journal and topics in multiple fields will be considered for publication. Although not limited to the following, some general topics include: Gene discovery and characterization, Gene regulation in response to environmental stress (e.g., salinity, drought, etc.), Genetic effects of transposable elements, Genetic control of secondary metabolic pathways and metabolic enzymes. Herbal Medicine - regulation and medicinal properties of plant products, Plant hormonal signaling, Plant evolutionary genetics, molecular evolution, population genetics, and phylogenetics, Profiling of plant gene expression and genetic variation, Plant-microbe interactions (e.g., influence of endophytes on gene expression; horizontal gene transfer studies; etc.), Agricultural genetics - biotechnology and crop improvement.