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属于引起柑橘黑腐病和褐斑病的 spp. 的摩洛哥分离株的遗传多样性和种群结构。

Genetic Diversity and Population Structure of Moroccan Isolates Belong to spp. Causing Black Rot and Brown Spot in Citrus.

作者信息

Zelmat Lamyaa, Mansi Joseph Mbasani, Aouzal Sarra, Gaboun Fatima, Khayi Slimane, Ibriz Mohammed, El Guilli Mohammed, Mentag Rachid

机构信息

Plant Pathology and Postharvest Quality laboratory, Plant Protection Research Unit, Regional Center of Agricultural Research of Kénitra, National Institue of Agricultural Research, El Menzeh Km 9, 14000, Kénitra, Morocco.

Biotechnology Research Unit, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, BP 415 Rabat Principale, 10090, Rabat, Morocco.

出版信息

Int J Genomics. 2021 Nov 23;2021:9976969. doi: 10.1155/2021/9976969. eCollection 2021.

DOI:10.1155/2021/9976969
PMID:34859097
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8632404/
Abstract

is one of the most important fungi causing various diseases on citrus worldwide. In Morocco, Alternaria black rot (ABR) and Alternaria brown spot (ABS) are two major diseases causing serious losses in commercial cultivars of citrus. The aim of the present work was to study the genetic diversity and the population structure of isolates belonging to sect. obtained from infected citrus fruits, collected from seven provinces at different locations in Morocco (markets, packinghouses, and orchards). Forty-five isolates were analyzed by sequence-related amplified polymorphism (SRAP) markers, and cluster analysis of DNA fragments was performed using UPGMA method and Jaccard coefficient. Cluster analysis revealed that isolates were classified in four distinct groups. AMOVA revealed also a large extent of variation within sect. isolates (99%). The results demonstrate that no correlation was found among SRAP pattern, host, and geographical origin of these isolates. Population structure analyses showed that the isolates from the same collection origin had almost a similar level of admixture.

摘要

是全球范围内导致柑橘多种病害的最重要真菌之一。在摩洛哥，链格孢黑腐病（ABR）和链格孢褐斑病（ABS）是导致柑橘商业栽培品种严重损失的两种主要病害。本研究的目的是研究从摩洛哥不同地点的七个省份（市场、包装厂和果园）采集的感染柑橘果实中分离得到的属于某一分类群的菌株的遗传多样性和种群结构。通过序列相关扩增多态性（SRAP）标记对45个菌株进行分析，并使用非加权组平均法（UPGMA）和杰卡德系数对DNA片段进行聚类分析。聚类分析表明，菌株被分为四个不同的组。分子方差分析（AMOVA）也显示在该分类群菌株内存在很大程度的变异（99%）。结果表明，这些菌株的SRAP模式、寄主和地理来源之间没有相关性。种群结构分析表明，来自同一采集来源的菌株几乎具有相似的混合水平。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/4a3e03f1f4c0/IJG2021-9976969.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/f65ae9385fcd/IJG2021-9976969.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/a26cfebb7205/IJG2021-9976969.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/522484f6671e/IJG2021-9976969.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/4a3e03f1f4c0/IJG2021-9976969.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/f65ae9385fcd/IJG2021-9976969.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/a26cfebb7205/IJG2021-9976969.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/522484f6671e/IJG2021-9976969.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c2e9/8632404/4a3e03f1f4c0/IJG2021-9976969.004.jpg

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