Chromosome-scale genome assembly and de novo annotation of Alopecurus aequalis

Jonathan Wright, Kendall Baker, Tom Barker, Leah Catchpole, Alex Durrant, Fiona Fraser, Karim Gharbi, Christian Harrison, Suzanne Henderson, Naomi Irish, Gemy Kaithakottil, Ilia J. Leitch, Jun Li, Sacha Lucchini, Paul Neve, Robyn Powell, Hannah Rees, David Swarbreck, Chris Watkins, Jonathan WoodSeanna McTaggart, Anthony Hall, Dana MacGregor*

*Corresponding author for this work

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Abstract

Alopecurus aequalis is a winter annual or short-lived perennial bunchgrass which has in recent years emerged as the dominant agricultural weed of barley and wheat in certain regions of China and Japan, causing significant yield losses. Its robust tillering capacity and high fecundity, combined with the development of both target and non-target-site resistance to herbicides means it is a formidable challenge to food security. Here we report on a chromosome-scale assembly of A. aequalis with a genome size of 2.83 Gb. The genome contained 33,758 high-confidence protein-coding genes with functional annotation. Comparative genomics revealed that the genome structure of A. aequalis is more similar to Hordeum vulgare rather than the more closely related Alopecurus myosuroides.

Original languageEnglish
Article number1368
Number of pages15
JournalScientific data
Volume11
Early online date18 Dec 2024
DOIs
Publication statusPublished - 31 Dec 2024

Keywords

  • Chromosomes, Plant
  • Poaceae
  • Hordeum
  • Genome, Plant
  • Molecular Sequence Annotation

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