干旱区生态环境知识资源中心(Arid): The chromosome-level genome of dragon fruit reveals whole-genome duplication and chromosomal co-localization of betacyanin biosynthetic genes

Arid

DOI	10.1038/s41438-021-00501-6
	The chromosome-level genome of dragon fruit reveals whole-genome duplication and chromosomal co-localization of betacyanin biosynthetic genes
	Zheng, Jinfang; Meinhardt, Lyndel W.; Goenaga, Ricardo; Zhang, Dapeng; Yin, Yanbin
通讯作者	Yin, YB (corresponding author), Univ Nebraska, Dept Food Sci & Technol, Nebraska Food Hlth Ctr, Lincoln, NE 68583 USA. ; Zhang, DP (corresponding author), ARS, Sustainable Perennial Crops Lab, USDA, Beltsville, MD USA.
来源期刊	HORTICULTURE RESEARCH
ISSN	2662-6810
EISSN	2052-7276
出版年	2021
卷号	8 期号:1
英文摘要	Dragon fruits are tropical fruits economically important for agricultural industries. As members of the family of Cactaceae, they have evolved to adapt to the arid environment. Here we report the draft genome of Hylocereus undatus, commercially known as the white-fleshed dragon fruit. The chromosomal level genome assembly contains 11 longest scaffolds corresponding to the 11 chromosomes of H. undatus. Genome annotation of H. undatus found similar to 29,000 protein-coding genes, similar to Carnegiea gigantea (saguaro). Whole-genome duplication (WGD) analysis revealed a WGD event in the last common ancestor of Cactaceae followed by extensive genome rearrangements. The divergence time between H. undatus and C. gigantea was estimated to be 9.18 MYA. Functional enrichment analysis of orthologous gene clusters (OGCs) in six Cactaceae plants found significantly enriched OGCs in drought resistance. Fruit flavor-related functions were overrepresented in OGCs that are significantly expanded in H. undatus. The H. undatus draft genome also enabled the discovery of carbohydrate and plant cell wall-related functional enrichment in dragon fruits treated with trypsin for a longer storage time. Lastly, genes of the betacyanin (a red-violet pigment and antioxidant with a very high concentration in dragon fruits) biosynthetic pathway were found to be co-localized on a 12Mb region of one chromosome. The consequence may be a higher efficiency of betacyanin biosynthesis, which will need experimental validation in the future. The H. undatus draft genome will be a great resource to study various cactus plants.
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000627856500007
WOS关键词	HYLOCEREUS-UNDATUS ; DROUGHT RESPONSE ; OSMOTIC-STRESS ; SEQUENCE ; EVOLUTION ; RED ; ACCUMULATION ; ARABIDOPSIS ; MODEL ; CACTI
WOS类目	Plant Sciences ; Genetics & Heredity ; Horticulture
WOS研究方向	Plant Sciences ; Genetics & Heredity ; Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368950
作者单位	[Zheng, Jinfang; Yin, Yanbin] Univ Nebraska, Dept Food Sci & Technol, Nebraska Food Hlth Ctr, Lincoln, NE 68583 USA; [Meinhardt, Lyndel W.; Zhang, Dapeng] ARS, Sustainable Perennial Crops Lab, USDA, Beltsville, MD USA; [Goenaga, Ricardo] ARS, Trop Agr Res Stn, USDA, Puerto Rico, PR USA
推荐引用方式 GB/T 7714	Zheng, Jinfang,Meinhardt, Lyndel W.,Goenaga, Ricardo,et al. The chromosome-level genome of dragon fruit reveals whole-genome duplication and chromosomal co-localization of betacyanin biosynthetic genes[J],2021,8(1).
APA	Zheng, Jinfang,Meinhardt, Lyndel W.,Goenaga, Ricardo,Zhang, Dapeng,&Yin, Yanbin.(2021).The chromosome-level genome of dragon fruit reveals whole-genome duplication and chromosomal co-localization of betacyanin biosynthetic genes.HORTICULTURE RESEARCH,8(1).
MLA	Zheng, Jinfang,et al."The chromosome-level genome of dragon fruit reveals whole-genome duplication and chromosomal co-localization of betacyanin biosynthetic genes".HORTICULTURE RESEARCH 8.1(2021).