Plant parasitic nematodes (PPN) are pathogens common in global agricultural systems. There is at least one species of PPN for all major food crops and yield losses caused by nematodes threaten global food security. Management of PPN is challenging and varies greatly between different countries, crops, and nematodes. However, a recurring theme for management is improving understanding of the nematode-host interaction. Exploiting this information could help create better PPN control methods, lessening losses associated with PPN by providing more economical and sustainable solutions.

Interpreting mechanisms fundamental to host-parasite interactions is a rapidly evolving area. This research offers novel insights about PPN biology and potential routes for exploiting this data for the development of improved PPN control. Nematode effector proteins are core components of parasitism and disease development. Resistant plants can suppress PPN through a variety of different mechanisms upon recognition of effectors. Understanding targets of these proteins and modifying them using gene editing techniques could assist host resistance.

Host plants use a range of strategies to interpret nematode infection. Recognizing nematode-associated molecular patterns and how they are perceived by plants could facilitate the next generation of biologically driven plant bio-stimulant controls. PPN-host interactions can also be impacted by external biotic factors such as endophytic microorganisms. These organisms can affect PPN both directly and indirectly by consequentially initiating altered plant defense responses. Emphasis on this research could produce much needed alternatives to classical chemical nematicides.

This Research Topic aims to review and expand our current knowledge by embracing investigations that explore different facets of the PPN-host interaction. Applying this information towards novel PPN control strategies will highlight future opportunities for essential PPN research.

With the theme of emerging nematode management strategies through improved understanding of the nematode-host relationship, we welcome manuscripts including original research, reviews and mini-reviews addressing:

1) Molecular aspects of nematode interactions with their host plants

2) Plant responses to nematode infection

3) The effect of external biotic and abiotic factors on the PPN-host relationship

Authors are encouraged to contact reviewers in advance of manuscript submission to confirm that the content is within the scope of this research topic.

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Frontiers in Plant Science

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