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Domestication and breeding changed tomato fruit transcriptome

文献类型： 外文期刊

作者： Liu Dan 1 ; Yang Liang 2 ; Zhang Jin-zhe 3 ; Zhu Guang-tao 5 ; Lu Hong-jun 2 ; Lu Ya-qing 2 ; Wang Yan-ling 2 ; Cao Xue 1 ;

作者机构： 1.Northwest A&F Univ, Coll Hort, Yangling 712100, Shaanxi, Peoples R China

2.Chinese Acad Agr Sci, Agr Genom Inst, Genome Anal Lab, Minist Agr, Shenzhen 518124, Guangdong, Peoples R China

3.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Key Lab Biol & Genet Improvement Hort Crops, Minist Agr,Sino Dutch Joint Lab Hort Genom, Beijing 100081, Peoples R China

4.Sichuan Acad Agr Sci, Vegetable Germplasm Innovat & Variety Improvement, Hort Res Inst, Chengdu 610066, Sichuan, Peoples R China

5.Yunnan Normal Univ, AGISCAAS YNNU Joint Acad Potato Sci, Kunming 650500, Yunnan, Peoples R China

6.Shandong Acad Agr Sci, Inst Vegetables & Flowers, Shandong Prov Key Lab Biol Greenhouse Vegetables, Natl Improvement Ctr Vegetables,Shandong Branch, Jinan 250100, Shandong, Peoples R China

关键词： tomato; pan-transcriptome; ePAV; DEG; domestication; breeding

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2020 年 19 卷 1 期

页码：

收录情况： SCI

摘要： Tomato (Solanum lycopersicum) stress resistance and fruit total soluble solid (TSS) content have changed dramatically during selective breeding, and transcriptome variation has played a critical role in this rewiring. However, the single tomato reference genome impedes characterization of whole-transcriptome variation during domestication and breeding at the population level. Here, we constructed a pan-transcriptome of orange-stage tomato fruit, and investigated global expression presence/absence variation (ePAV) and differentially expressed genes (DEGs) based on RNA sequencing (RNA-seq) data from 399 tomato accessions. A total of 7181 genes absent from the reference genome were identified, 6122 of which were ePAV genes during tomato domestication and breeding including resistance genes such as late blight resistance gene PIM_DN29746_c0_g3_i1 and peroxidase P7-like gene PIM_DN30274_c0_g2_i1 In addition, 3629 genes were significantly differentially expressed during tomato selection, among which 19 genes were associated with the reduced fruit TSS content of modern tomato cultivars, including LIN5, TIV1, and seven novel sugar transporter genes. Our results indicate that natural and artificial selection greatly shaped the tomato transcriptome, thereby altering the fruit TSS content and resistance to abiotic and biotic stresses.

  • 相关文献

[1]Domestication and breeding changed tomato fruit transcriptome. Liu Dan,Cao Xue,Liu Dan,Yang Liang,Lu Hong-jun,Lu Ya-qing,Wang Yan-ling,Huang San-wen,Wu Yao-yao,Zhang Jin-zhe,Sun Tian-shu,Yang Liang,Zhu Guang-tao,Lu Hong-jun. 2020

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