FIGURE 2.

Cellular structure modifications from endodormancy to ecodormancy. During transition from endodormancy to ecodormancy in dormant buds, several structure modifications occur. The insaturation degree of plasma membrane lipids increases during transition from endo to ecodormancy. The number and size of starch grains and lipid bodies decrease during the transition from endo to ecodormancy. Conversely, the number and size of mitochondria increases during the transition from endo to ecodormancy. Transcripts of sucrose transporters, H+/ATPase channels and calcium channels increase during transition from endo to ecodormancy. The size of plasmodesmata increases during transition from endo to ecodormancy, as a result of net callose degradation.