Chromosome-Level Reference Genome and Population Genomic Analysis Provide Insights into the Evolution and Improvement of Domesticated Mulberry (Morus alba).

Chromosomes, Plant DNA, Plant Evolution, Molecular Gene-Environment Interaction Genes, Plant Genetic Variation Genetics, Population Genome, Plant Morus / genetics Plant Breeding Ploidies Reference Values Sequence Analysis, DNA
comparative genomics de novo assembly domesticated mulberry environment adaption population genomics sericulture

Journal

Molecular plant
ISSN: 1752-9867
Titre abrégé: Mol Plant
Pays: England
ID NLM: 101465514

Informations de publication

Date de publication:
06 07 2020
Historique:
received: 22 12 2019
revised: 08 04 2020
accepted: 12 05 2020
pubmed: 19 5 2020
medline: 3 6 2021
entrez: 19 5 2020
Statut: ppublish

Résumé

Mulberry (Morus spp.) is the sole plant consumed by the domesticated silkworm. However, the genome of domesticated mulberry has not yet been sequenced, and the ploidy level of this species remains unclear. Here, we report a high-quality, chromosome-level domesticated mulberry (Morus alba) genome. Analysis of genomic data and karyotype analyses confirmed that M. alba is a diploid with 28 chromosomes (2n = 2x = 28). Population genomic analysis based on resequencing of 134 mulberry accessions classified domesticated mulberry into three geographical groups, namely, Taihu Basin of southeastern China (Hu mulberry), northern and southwestern China, and Japan. Hu mulberry had the lowest nucleotide diversity among these accessions and demonstrated obvious signatures of selection associated with environmental adaptation. Further phylogenetic analysis supports a previous proposal that multiple domesticated mulberry accessions previously classified as different species actually belong to one species. This study expands our understanding of genome evolution of the genus Morus and population structure of domesticated mulberry, which would facilitate mulberry breeding and improvement.

Identifiants

DOI: 10.1016/j.molp.2020.05.005 PMID: 32422187
pubmed: 32422187
pii: S1674-2052(20)30140-4
doi: 10.1016/j.molp.2020.05.005
pii:
doi:

Substances chimiques

DNA, Plant 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1001-1012

Informations de copyright

Copyright © 2020 The Author. Published by Elsevier Inc. All rights reserved.

Auteurs

Feng Jiao (F)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Rongsong Luo (R)

Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China.

Xuelei Dai (X)

Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Hui Liu (H)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Gang Yu (G)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Shuhua Han (S)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Xin Lu (X)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Chao Su (C)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Qi Chen (Q)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Qinxia Song (Q)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Caiting Meng (C)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Fanghong Li (F)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Hongmei Sun (H)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Rui Zhang (R)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Tian Hui (T)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.

Yonghua Qian (Y)

The Sericultural and Silk Research Institute, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China. Electronic address: qyh@nwsuaf.edu.cn.

Aichun Zhao (A)

State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Chong Qing 400716, China. Electronic address: zhaoaichun@swu.edu.cn.

Yu Jiang (Y)

Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China. Electronic address: yu.jiang@nwafu.edu.cn.

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Classifications MeSH

questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Chromosomes › Chromosomes de plante › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Acides nucléiques, nucléotides et nucléosides › Acides nucléiques › ADN › ADN des plantes › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes biologiques › Évolution biologique › Évolution moléculaire › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes génétiques › Phénotype › Interaction entre gènes et environnement › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Génome › Génome végétal › Gènes de plante › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes génétiques › Variation génétique › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Disciplines des sciences naturelles › Disciplines des sciences biologiques › Biologie › Génétique › Génétique des populations › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Génome › Génome végétal › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Streptophyta › Embryophyta › Tracheobionta › Magnoliopsida › Rosanae › Rosales › Moraceae › Morus › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Technologie, industrie et agriculture › Agriculture › Production végétale › Amélioration des plantes › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Phénomènes génétiques › Ploïdies › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Techniques d'investigation › Poids et mesures › Valeurs de référence › Chromosome-Level Reference Genome and...
questionsmedicales.fr › Techniques d'investigation › Techniques génétiques › Analyse de séquence › Analyse de séquence d'ADN › Chromosome-Level Reference Genome and...