文献类型： 外文期刊
作者： Xu, Pei 1 ; Wang, Ying 1 ; Sun, Fengshuo 4 ; Wu, Rongling 4 ; Du, Huilong 6 ; Wang, Yuhong 1 ; Jiang, Libo 4 ; Wu, Xiaohu 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Vegetables, Hangzhou, Zhejiang, Peoples R China
2.Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats, Hangzhou, Zhejiang, Peoples R China
3.Zhejiang Acad Agr Sci, Qual & Safety Agroprod, Hangzhou, Zhejiang, Peoples R China
4.Beijing Forestry Univ, Ctr Computat Biol, Coll Biol Sci & Technol, Beijing, Peoples R China
5.Penn State Univ, Ctr Stat Genet, Hershey, PA 16802 USA
6.Chinese Acad Sci, Inst Genet & Dev Biol, Beijing, Peoples R China
7.Ningbo Acad Agr Sci, Inst Vegetables, Ningbo, Peoples R China
8.Nanjing Forestry Univ, Coll Biol & Environm, Nanjing, Peoples R China
9.Biozeron Biotechnol Co Ltd, Shanghai, Peoples R China
10.China Jiliang Univ, Coll Life Sci, Hangzhou, Peoples R China
关键词： bottle gourd; fruit shape; functional mapping; genome; geometric morphometrics; long-read sequencing
期刊名称：PLANT JOURNAL （ 影响因子：6.486； 五年影响因子：7.666 ）
ISSN： 0960-7412
年卷期： 2021 年 107 卷 3 期
页码：
收录情况： SCI
摘要： The bottle gourd (Lagenaria siceraria, Cucurbitaceae) is an important horticultural crop exhibiting tremendous diversity in fruit shape. The genetic architecture of fruit shape variation in this species remains unknown. We assembled a long-read-based, high-quality reference genome (ZAAS_Lsic_2.0) with a contig N50 value over 390-fold greater than the existing reference genomes. We then focused on dissection of fruit shape using a one-step geometric morphometrics-based functional mapping approach. We identified 11 quantitative trait loci (QTLs) responsible for fruit shape (fsQTLs), reconstructed their visible effects and revealed syntenic relationships of bottle gourd fsQTLs with 12 fsQTLs previously reported in cucumber, melon or watermelon. Homologs of several well-known and newly identified fruit shape genes, including SUN, OFP, AP2 and auxin transporters, were comapped with bottle gourd QTLs.
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