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解开谜团：解析李（日本李）对黑节病抗性背后的遗传机制

Untying the knot: Unraveling genetic mechanisms behind black knot disease resistance in (Japanese plum).

作者信息

Shum Chloe, Najafabadi Mohsen, de Ronne Maxime, Torkamaneh Davoud, El Kayal Walid, Subramanian Jayasankar

机构信息

Plant Agriculture, Ontario Agricultural College University of Guelph Guelph Ontario Canada.

Institut de Biologie Intégrative et Des Systèmes (IBIS) Université Laval Quebec City Québec Canada.

出版信息

Plant Environ Interact. 2024 Nov 5;5(6):e70016. doi: 10.1002/pei3.70016. eCollection 2024 Dec.

DOI:10.1002/pei3.70016
PMID:39502629
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11536197/
Abstract

Little is known regarding the genes, compounds and physiological alternations that take place upon infection of black knot disease. This research aimed to unravel the genetic mechanism responsible for the resistance of Japanese plum ( L.) trees against black knot ( Schwein.) using a Genome-Wide Association Study. Genotyping by Sequencing (GBS) was combined with a phenotyping system to analyze 200 genotypes of mixed origin. Population stratification identified four subpopulations, and the Fixed and Random Model Circulating Probability Unification (FarmCPU) algorithm was used for this analysis. Nineteen single nucleotide polymorphisms (SNPs) significantly associated with black knot disease resistance were discovered across five chromosomes. Linkage disequilibrium analysis identified 55 genes near these SNPs, with eight genes related to plant defense, immunity, and biotic stress response. One SNP mutation was found in the 5' untranslated region of a gene regulating the first enzyme in phenylpropanoid biosynthesis. The results provide valuable insights into the genetic mechanisms behind BLACK KNOT disease resistance in Japanese plum and identifies potential markers for use in molecular breeding.

摘要

关于感染黑节病后发生的基因、化合物和生理变化，人们了解甚少。本研究旨在通过全基因组关联研究揭示李树对黑节病的抗性遗传机制。测序基因分型（GBS）与表型分析系统相结合，对200个混合来源的基因型进行分析。群体分层鉴定出四个亚群，并使用固定和随机模型循环概率统一法（FarmCPU）进行此分析。在五条染色体上发现了19个与黑节病抗性显著相关的单核苷酸多态性（SNP）。连锁不平衡分析确定了这些SNP附近的55个基因，其中八个基因与植物防御、免疫和生物胁迫反应有关。在调控苯丙烷生物合成中第一种酶的基因的5'非翻译区发现了一个SNP突变。这些结果为李树黑节病抗性背后的遗传机制提供了有价值的见解，并确定了可用于分子育种的潜在标记。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ee32dc89b6ac/PEI3-5-e70016-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ef8b37220b9c/PEI3-5-e70016-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/b381e1dd863d/PEI3-5-e70016-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/01272b730bf8/PEI3-5-e70016-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/73e7c7f9b696/PEI3-5-e70016-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ef2f2eda4046/PEI3-5-e70016-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/b99f8d17b78f/PEI3-5-e70016-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ee32dc89b6ac/PEI3-5-e70016-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ef8b37220b9c/PEI3-5-e70016-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/b381e1dd863d/PEI3-5-e70016-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/01272b730bf8/PEI3-5-e70016-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/73e7c7f9b696/PEI3-5-e70016-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ef2f2eda4046/PEI3-5-e70016-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/b99f8d17b78f/PEI3-5-e70016-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad83/11536197/ee32dc89b6ac/PEI3-5-e70016-g002.jpg

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本文引用的文献

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Plants (Basel). 2024 Jan 18;13(2):292. doi: 10.3390/plants13020292.
2
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Plants (Basel). 2023 Oct 21;12(20):3638. doi: 10.3390/plants12203638.
3
Engineering phenylalanine ammonia lyase to limit feedback inhibition by cinnamate and enhance biotransformation.工程化苯丙氨酸解氨酶以限制肉桂酸的反馈抑制并增强生物转化。
Biotechnol J. 2024 Jan;19(1):e2300275. doi: 10.1002/biot.202300275. Epub 2023 Oct 28.
4
A Trifolium repens flavodoxin-like quinone reductase 1 (TrFQR1) improves plant adaptability to high temperature associated with oxidative homeostasis and lipids remodeling.三叶草黄素结合型醌还原酶 1（TrFQR1）提高植物对与氧化平衡和脂质重塑相关的高温的适应能力。
Plant J. 2023 Jul;115(2):369-385. doi: 10.1111/tpj.16230. Epub 2023 Apr 21.
5
Isolation and Characterization of Allomelanin from Pathogenic Black Knot Fungus-a Sustainable Source of Melanin.从致病黑腐病菌中分离并鉴定异黑素——一种可持续的黑色素来源
ACS Omega. 2021 Dec 14;6(51):35514-35522. doi: 10.1021/acsomega.1c05030. eCollection 2021 Dec 28.
6
Recent Advances in Understanding the Roles of Pectin as an Active Participant in Plant Signaling Networks.理解果胶作为植物信号网络中积极参与者作用的最新进展
Plants (Basel). 2021 Aug 19;10(8):1712. doi: 10.3390/plants10081712.
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Genomics Proteomics Bioinformatics. 2021 Aug;19(4):619-628. doi: 10.1016/j.gpb.2020.10.007. Epub 2021 Mar 2.
8
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9
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