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January 23, 2026PLANT PHYSIOLOGY

Chromosomal-scale genome assembly of parsnip ( Pastinaca sativa ) reveals genome evolution and carotenoid regulation

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Authors

YWYa-Hui WangPLPei-Zhuo LiuYSYujie Sun

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Overview

Genome assembly reveals carotenoid regulation in parsnip, suggesting pathways for enhanced nutrient content.

Key Points

  • The aim is to analyze the genomic structure of parsnip and its implications for carotenoid regulation.
  • Conducted chromosomal-scale genome assembly of parsnip.
  • Analyzed transcriptome and enzyme activity related to carotenoid biosynthesis.
  • Examined correlations between ascorbate peroxidase expression and ascorbic acid content.
  • The parsnip genome is 1.52 Gb with significant repetitive sequences.
  • Transposon elements make up 84.07% of the genome.
  • Identified a correlation between PsAPX expression and ascorbic acid levels.
  • Insufficient substrate flow identified in the carotenoid pathway affecting pigment accumulation.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69730f9fc8125b09b0d1f5f7https://doi.org/10.1093/plphys/kiag009
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