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Mechanisms underlying insect freeze tolerance
- Jantina Toxopeus, B. Sinclair
- BiologyBiological reviews of the Cambridge Philosophical…
- 1 November 2018
Although freeze tolerance is a complex cold‐tolerance strategy that has evolved multiple times, it is suggested that a process‐focused approach will facilitate hypothesis‐driven research to understand better how insects survive internal ice formation.
Reproductive arrest and stress resistance in winter-acclimated Drosophila suzukii.
Group 1 LEA proteins contribute to the desiccation and freeze tolerance of Artemia franciscana embryos during diapause
This is the first in vivo study of group 1 LEA proteins in an animal and it contributes to the fundamental understanding of these proteins.
Effects of cold-acclimation on gene expression in Fall field cricket (Gryllus pennsylvanicus) ionoregulatory tissues
- L. D. Des Marteaux, Alexander H Mckinnon, H. Udaka, Jantina Toxopeus, B. Sinclair
- BiologyBMC Genomics
- 8 May 2017
This is the first G. pennsylvanicus transcriptome de novo, and the tissue-specific approach yielded new candidate mechanisms of cold tolerance plasticity.
A comparison of low temperature biology of Pieris rapae from Ontario, Canada, and Yakutia, Far Eastern Russia.
Functional differentiation of small heat shock proteins in diapause‐destined Artemia embryos
The results indicate that diapause‐destined Artemia embryos synthesize varying amounts of small heat shock proteins as a result of differential gene expression and mRNA translation and also suggest that these sHsps have distinctive functions.
Artemin, a diapause-specific chaperone, contributes to the stress tolerance of Artemia franciscana cysts and influences their release from females
RNA interference employing the injection of artemin double-stranded RNA into the egg sacs of A. franciscana females substantially reduced artemin mRNA and protein in cysts, demonstrating a role for this protein in stress resistance.
Laboratory acclimation to autumn-like conditions induces freeze tolerance in the spring field cricket Gryllus veletis (Orthoptera: Gryllidae).
Evidence for non-colligative function of small cryoprotectants in a freeze-tolerant insect
This study is the first to experimentally demonstrate the importance of non-colligative cryoprotectant function for insect freeze tolerance both in vivo and ex vivo, with implications for choosing new molecules for cryopreservation.
How crickets become freeze tolerant: The transcriptomic underpinnings of acclimation in Gryllus veletis.