Polyamine homeostasis in apple fruit stored under multiple abiotic stresses

Barry J. Shelp; Kristen L. Deyman; Jennifer R. DeEll; Gale G. Bozzo

doi:10.1139/cjps-2018-0173

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Barry J. Shelp,^1,* Kristen L. Deyman,¹ Jennifer R. DeEll,² Gale G. Bozzo¹

¹Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada.
²Ontario Ministry of Agriculture, Food and Rural Affairs, Box 587, 1283 Blueline Road at Highway 3, S

^*Corresponding author: Barry J. Shelp (email: bshelp@uoguelph.ca).

Abstract

‘Empire' apples were stored at 0 °C or 3 °C with 0.03 or 5 kPa CO₂ and 2.5 kPa O₂ for 16 wk. Pools of free, soluble conjugated and bound putrescine, spermidine, and spermine fluctuated in a dynamic manner in response to both temperature and CO₂. These results suggest that putrescine homeostasis is under different regulatory control than spermidine/spermine homeostasis.

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Citation Download Citation

Barry J. Shelp, Kristen L. Deyman, Jennifer R. DeEll, and Gale G. Bozzo "Polyamine homeostasis in apple fruit stored under multiple abiotic stresses," Canadian Journal of Plant Science 99(1), 88-92, (23 October 2018). https://doi.org/10.1139/cjps-2018-0173

Received: 10 July 2018; Accepted: 17 October 2018; Published: 23 October 2018