全基因组关联研究确定了 207 个甜菜品种关键农艺性状的遗传基础

IF 8.7 1区农林科学 Q1 Agricultural and Biological Sciences

Horticulture Research Pub Date : 2024-08-12 DOI:10.1093/hr/uhae230

Sufang Wang, Zhiyong Yue, Chao Yu, Ruili Wang, Yang Sui, Yaguang Hou, Ying Zhao, Lingling Zhao, Chunmei Chen, Zhimin Yang, Ke Shao

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引用次数: 0

摘要

甜菜（Beta vulgaris）已成为与甘蔗并列的全球制糖业两大主要作物之一。全面了解甜菜中蔗糖的合成、运输和积累对提高糖产量具有重要意义。在这项研究中，我们在全球范围内收集了 269 个甜菜品种，并测量了 12 种表型，包括生物量、可溶性糖含量和 10 个直根相关性状。我们对 207 个登录品系进行了重测序，以探索遗传多样性和种群结构。然后，我们利用 GWAS 和 RNA-seq 鉴定与自然表型变异相关的 SNP 和基因。我们的发现揭示了一组可能调控生物量和糖积累的基因，特别是双重作用基因 UDP-glucose 4-epimerase ，它在遗传上平衡了糖积累和细胞壁合成。总之，这项研究为甜菜的分子育种奠定了基础。

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Genome-wide association study identifies the genetic basis of key agronomic traits in 207 sugar beet accessions

Sugar beet (Beta vulgaris) has emerged as one of the two primary crops, alongside sugarcane, for global sugar production. Comprehensively understanding sucrose synthesis, transport, and accumulation in sugar beet holds great significance for enhancing sugar production. In this study, we collected a diverse set of 269 sugar beet accessions worldwide and measured twelve phenotypes, including biomass, soluble sugar content, and ten taproot-related traits. We re-sequenced 207 accessions to explore genetic diversity and population structure. Then we employed GWAS and RNA-seq to identify SNPs and genes associated with natural phenotypic variations. Our findings revealed a panel of genes potentially regulating biomass and sugar accumulation, notably the dual-role gene UDP-glucose 4-epimerase, which genetically balances sugar accumulation and cell wall synthesis. In summary, this study provides a foundation for molecular breeding in sugar beet.

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来源期刊

Horticulture Research Biochemistry, Genetics and Molecular Biology-Biochemistry

CiteScore

11.20

自引率

6.90%

发文量

367

审稿时长

20 weeks

期刊介绍： Horticulture Research, an open access journal affiliated with Nanjing Agricultural University, has achieved the prestigious ranking of number one in the Horticulture category of the Journal Citation Reports ™ from Clarivate, 2022. As a leading publication in the field, the journal is dedicated to disseminating original research articles, comprehensive reviews, insightful perspectives, thought-provoking comments, and valuable correspondence articles and letters to the editor. Its scope encompasses all vital aspects of horticultural plants and disciplines, such as biotechnology, breeding, cellular and molecular biology, evolution, genetics, inter-species interactions, physiology, and the origination and domestication of crops.