Cold tolerance in nematodes

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1984 English Publisher:Springer Science and Business Media LLCJournal:Journal of Comparative Physiology B, volume 154, pages 73-77 (issn: 0174-1578, eissn: 1432-136X,

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Authors: D. A. Wharton; S. R. Young; J. Barrett;

doi: 10.1007/bf00683218

Cold tolerance in nematodes

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Abstract

The nematodesTrichostrongylus colubriformis (J3),Ditylenchus dipsaci (J4) andPanagrellus silusae (adults) are freezing-susceptible but can avoid freezing by supercooling. Their mean supercooling points were −30.0±0.7°C forT. colubriformis, −21.7±0.7°C forD. dipsaci and −20.7±0.84°C forP. silusae. T. colubriformis andD. dipsaci could prevent seeding by external ice butP. silusae could not. The glycerol concentrations of these nematodes are considered to be too low to have a significant antifreeze effect.

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