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Updated: Sep 6, 2025

A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
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A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates

Published on: October 28, 2021

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Genome sequences of 38 Fusarium oxysporum strains

Fatemeh Sabahi1,2, Zia Banihashemi1, Mara de Sain2

  • 1Department of Plant Protection, College of Agriculture, Shiraz University, Shiraz, Iran.

BMC Research Notes
|June 27, 2022
PubMed
Abstract

Insights

This study presents whole-genome sequencing of Fusarium oxysporum f. sp. melonis (Fom) strains, revealing genetic diversity and population structure. These findings aid in identifying avirulence genes for developing Fusarium wilt-resistant melon cultivars.

Area of Science:

  • Plant Pathology
  • Genomics
  • Mycology

Background:

  • Fusarium oxysporum f. sp. melonis (Fom) causes devastating Fusarium wilt in melons globally.
  • Understanding Fom's genetic diversity is crucial for disease management.

Purpose of the Study:

  • To describe whole-genome sequencing data of diverse Fom and non-pathogenic Fusarium oxysporum strains.
  • To provide insights into Fom's genetic diversity, population structure, and evolution.
  • To facilitate the identification of avirulence genes for breeding resistant melon cultivars.

Main Methods:

  • Genomic DNA extraction from 38 Fusarium oxysporum strains worldwide.
  • Whole-genome sequencing using Illumina Hiseq Xten system (≈20× coverage).
  • Assembly of sequenced genomes into scaffolds, available in NCBI and SRA (PRJNA596396).

Main Results:

  • Generation of comprehensive genome sequences for a global collection of Fom strains.
  • Data enables analysis of genetic variation and population dynamics within Fom.
  • Facilitates the discovery of genes linked to pathogenicity and virulence strategies.

Conclusions:

  • The genomic data provides a foundation for understanding Fom evolution and race development.
  • Identification of avirulence genes is a key step towards developing Fusarium wilt-resistant melons.
  • This resource will accelerate research into Fom-host interactions and disease control strategies.
Keywords:
Fusarium oxysporum f. sp. melonisMelonWhole-genome sequencing

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