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超级食物印度枸杞基因组的混合组装与注释

Hybrid Assembly and Annotation of the Genome of the Indian , a Superfood.

作者信息

Usha Talambedu, Middha Sushil Kumar, Babu Dinesh, Goyal Arvind Kumar, Das Anupam J, Saini Deepti, Sarangi Aditya, Krishnamurthy Venkatesh, Prasannakumar Mothukapalli Krishnareddy, Saini Deepak Kumar, Sidhalinghamurthy Kora Rudraiah

机构信息

Department of Biochemistry, Bangalore University, Bengaluru, India.

DBT-BIF Facility, Department of Biotechnology, Maharani Lakshmi Ammanni College for Women, Bengaluru, India.

出版信息

Front Genet. 2022 May 11;13:786825. doi: 10.3389/fgene.2022.786825. eCollection 2022.

Abstract

The wonder fruit pomegranate (, family Lythraceae) is one of India's economically important fruit crops that can grow in different agro-climatic conditions ranging from tropical to temperate regions. This study reports high-quality draft hybrid genome assembly of diploid Punica cultivar "Bhagwa" and identifies its genomic features. This cultivar is most common among the farmers due to its high sustainability, glossy red color, soft seed, and nutraceutical properties with high market value. The draft genome assembly is about 361.76 Mb (N50 = 40 Mb), ∼9.0 Mb more than the genome size estimated by flow cytometry. The genome is 90.9% complete, and only 26.68% of the genome is occupied by transposable elements and has a relative abundance of 369.93 SSRs/Mb of the genome. A total of 30,803 proteins and their putative functions were predicted. Comparative whole-genome analysis revealed as the nearest neighbor. KEGG-KASS annotations indicated an abundance of genes involved in the biosynthesis of flavonoids, phenylpropanoids, and secondary metabolites, which are responsible for various medicinal properties of pomegranate, including anticancer, antihyperglycemic, antioxidant, and anti-inflammatory activities. The genome and gene annotations provide new insights into the pharmacological properties of the secondary metabolites synthesized in pomegranate. They will also serve as a valuable resource in mining biosynthetic pathways for key metabolites, novel genes, and variations associated with disease resistance, which can facilitate the breeding of new varieties with high yield and superior quality.

摘要

神奇水果石榴(石榴科)是印度重要的经济水果作物之一,能在从热带到温带的不同农业气候条件下生长。本研究报告了二倍体石榴品种“Bhagwa”的高质量杂交基因组草图组装,并确定了其基因组特征。该品种因其高可持续性、色泽鲜艳的红色、软籽以及具有高市场价值的营养特性,在农民中最为常见。基因组草图组装约为361.76 Mb(N50 = 40 Mb),比流式细胞术估计的基因组大小多约9.0 Mb。基因组完整性为90.9%,只有26.68%的基因组被转座元件占据,基因组中SSR的相对丰度为369.93个/Mb。共预测了30,803种蛋白质及其推定功能。全基因组比较分析显示[此处原文缺失相关内容]为最接近的亲缘种。KEGG - KASS注释表明,参与黄酮类、苯丙烷类和次生代谢物生物合成的基因丰富,这些物质赋予了石榴多种药用特性,包括抗癌、抗高血糖、抗氧化和抗炎活性。基因组和基因注释为石榴中合成的次生代谢物的药理特性提供了新的见解。它们还将成为挖掘关键代谢物生物合成途径、新基因以及与抗病性相关变异的宝贵资源,有助于培育高产优质的新品种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01a3/9130716/e6351e87f991/fgene-13-786825-g001.jpg

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