A High-Resolution Linkage Map Construction and QTL Analysis for Morphological Traits in Anthurium (Anthurium andraeanum Linden)
文献类型： 外文期刊
作者： Zhang, Linbi 1 ; Chen, Yanyan 1 ; Leng, Qingyun 1 ; Lin, Xinge 1 ; Lu, Jinping 1 ; Xu, Yueting 1 ; Li, Haiyan 1 ; Xu, Shisong 1 ; Huang, Shaohua 1 ; Lopez Hernan, Ariel 4 ; Wang, Yaru 1 ; Yin, Junmei 1 ; Niu, Junhai 1 ; Song, Aiping 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci CATAS, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China
2.Henan Acad Agr Sci, Inst Crops Mol Breeding, Zhengzhou 450002, Peoples R China
3.Engn Technol Res Ctr Trop Ornamental Plant Germpla, Danzhou 571737, Peoples R China
4.Univ Flores, Border Ecol Lab, Multidisciplinary Workshop Vasc Plants, Sede Comahue UFLO, RA-8328 Rio Negro, Argentina
5.Bot Garden Plottier City, Neuquen, Argentina
关键词： anthurium; genetic linkage map; morphological traits; QTL analysis
期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）
ISSN： 2223-7747
年卷期： 2023 年 12 卷 24 期
页码：
收录情况： SCI
摘要： Anthurium andraeanum Linden is a prominent ornamental plant belonging to the family Araceae and is cultivated worldwide. The morphology characteristics are crucial because they significantly impact ornamental values, commercial properties, and the efficiency of space utilization in production. However, only a few related investigations have been conducted in anthurium to date. In this study, an F1 genetic segregation population containing 160 progenies was generated through hybridization between potted and cut anthurium varieties. Fifteen morphological traits were assessed and revealed substantial levels of genetic variation and widespread positive correlation. Based on specific length amplified fragment (SLAF) sequencing technology, 8171 single nucleotide polymorphism (SNP) markers were developed, and the high-density linkage map of 2202.27 cM in length distributed on 15 linkage groups was constructed successfully, with an average distance of 0.30 cM. Using the inclusive composite interval mapping (ICIM) method, 59 QTLs related to 15 key morphological traits were successfully identified, which explained phenotypic variance (PVE) ranging from 6.21% to 17.74%. Thirty-three of those associated with 13 traits were designated as major QTLs with PVE > 10%. These findings offer valuable insights into the genetic basis of quantitative traits and are beneficial for molecular marker-assisted selection (MAS) in anthurium breeding.
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