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Objective <p>Carrot (<i>Daucus carota</i>) is a widely cultivated vegetable crop with high nutritional value. <i>Alternaria</i> is one of the most damaging fungal pathogens to carrots, responsible for diseases such as leaf blight and root rot. However, public genomic resources for carrot-associated <i>Alternaria</i> remain limited, and no genomic data have been reported for seed-transmitted pathogens of this genus to date. This Data Note presents resequencing datasets of four <i>Alternaria</i> isolates obtained from carrot seeds, which will support future research on pathogen diversity and population genetics.</p> Data description <p>We isolated &gt; 20 <i>Alternaria</i>-like isolates from carrot seeds collected from commercial seed production fields in Suzhou District of Jiuquan City and Jinta County of Jiayuguan City, Gansu Province, China (2023–2025; ~7–8 per year), delineated four species based on phenotypic characterization and multilocus sequencing of the <i>ITS</i> rDNA region (primers ITS1/ITS4) and the <i>EF-1α</i> gene (primers EF1-F/EF1-R), and resequenced one representative per species—<i>A. tenuissima</i> (AtD1), <i>A. dauci</i> (AdD3), <i>A. carotiincultae</i> (AcD3), and <i>A. alternata</i> (AaD2)—using paired-end 150-bp sequencing on an Illumina HiSeq/NovaSeq platform. Datasets are available in the NCBI SRA under BioProject PRJNA1344466 (<a href="https://identifiers.org/ncbi/bioproject:PRJNA1344466">https://identifiers.org/ncbi/bioproject:PRJNA1344466</a>) as four SRA Runs: SRR35781711, SRR35781712, SRR35781713, and SRR35781714.</p>

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Whole-genome resequencing datasets of four Alternaria isolates obtained from carrot seeds

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月20日

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  • Yuhan Ma,
  • Feiyun Zhuang,
  • Zhiwei Zhao,
  • Zeyang Liu,
  • Xiangping Yan,
  • Xing Liu,
  • Chenggang Ou

摘要

Objective

Carrot (Daucus carota) is a widely cultivated vegetable crop with high nutritional value. Alternaria is one of the most damaging fungal pathogens to carrots, responsible for diseases such as leaf blight and root rot. However, public genomic resources for carrot-associated Alternaria remain limited, and no genomic data have been reported for seed-transmitted pathogens of this genus to date. This Data Note presents resequencing datasets of four Alternaria isolates obtained from carrot seeds, which will support future research on pathogen diversity and population genetics.

Data description

We isolated > 20 Alternaria-like isolates from carrot seeds collected from commercial seed production fields in Suzhou District of Jiuquan City and Jinta County of Jiayuguan City, Gansu Province, China (2023–2025; ~7–8 per year), delineated four species based on phenotypic characterization and multilocus sequencing of the ITS rDNA region (primers ITS1/ITS4) and the EF-1α gene (primers EF1-F/EF1-R), and resequenced one representative per species—A. tenuissima (AtD1), A. dauci (AdD3), A. carotiincultae (AcD3), and A. alternata (AaD2)—using paired-end 150-bp sequencing on an Illumina HiSeq/NovaSeq platform. Datasets are available in the NCBI SRA under BioProject PRJNA1344466 (https://identifiers.org/ncbi/bioproject:PRJNA1344466) as four SRA Runs: SRR35781711, SRR35781712, SRR35781713, and SRR35781714.