RNA Tomography Reveals Spatial Gene Expression Maps of Arabidopsis Thaliana Roots Infected with Heterodera Schachtii

Strategic Insights -

Current study results on Science have been published, revealing a novel approach to understanding plant cellular organization and interactions under various conditions, including development and responses to biotic and abiotic stresses. Research from Wageningen University and Research in the Netherlands has applied RNA tomography to Arabidopsis (Arabidopsis thaliana) roots infected with Heterodera schachtii, capturing 96 consecutive cross sections of 20 micrometers at 1- and 2-d post inoculation (dpi). The study identified the location of the nematode's pharyngeal glands and discovered multiple uncharacterized H. schachtii genes expressed in the same region. The findings provide novel insights into early nematode parasitism and have been peer-reviewed.

Key Takeaways:

  • The study used RNA tomography, a powerful untargeted spatial transcriptomics technology, to study gene expression at high spatial resolution in Arabidopsis roots infected with Heterodera schachtii.
  • The research identified the location of the nematode's pharyngeal glands, the organs where most effectors are produced, in Arabidopsis roots infected with H. schachtii.
  • The study discovered multiple uncharacterized H. schachtii genes expressed in the same region as the nematode's pharyngeal glands.
  • The findings provide novel insights into early nematode parasitism and have been peer-reviewed.
  • The research offers a powerful new approach to understanding plant cellular organization and interactions under various conditions, including development and responses to biotic and abiotic stresses.
  • The study used marker genes to identify the location of the nematode's pharyngeal glands and discovered new gene expression patterns in Arabidopsis roots infected with H. schachtii.
  • The research was funded by Toegepaste en Technische Wetenschappen, NWO.
  • The study included additional authors such as Anna Pijnacker, Jaap-Jan Willig, Jonas Mars, Steffen Werner, Kelvin Adema, Geert Smant, Hendrik C. Korswagen, and Jose L. Lozano-Torres.

Statistics:

  • The study captured 96 consecutive cross sections of 20 micrometers at 1- and 2-d post inoculation (dpi) using RNA tomography.
  • The research identified multiple uncharacterized H. schachtii genes expressed in the same region as the nematode's pharyngeal glands.
  • The study found novel insights into early nematode parasitism in Arabidopsis roots infected with Heterodera schachtii.
  • The research was funded by Toegepaste en Technische Wetenschappen, NWO.

Sources:

  • Science Letter. October 31, 2025; p 3056.
  • RNA tomography reveals spatial gene expression maps of Arabidopsis thaliana roots infected with Heterodera schachtii. New Phytologist, 2025.
  • Wiley. 111 River St, Hoboken 07030-5774, NJ, USA.
  • New Phytologist. onlinelibrary.wiley.com/journal/10.1111/(ISSN)1469-8137
  • Laboratoire de Nématologie, Wageningen University and Research, Wageningen, 6708 PB, Netherlands.