Abstract
Callose Deposition in Plasmodesmata and Viroid Invasion of the Shoot Apical Meristem.
Highlights
Reviewed by: Peter Moffett, Université de Sherbrooke, Canada Thierry Candresse, French National Institute for Agricultural Research, France
A commentary on Invasion of shoot apical meristems by Chrysanthemum stunt viroid differs among Argyranthemum cultivars by Zhang, Z., Lee, Y., Spetz, C., Clarke, J
Zhang et al (2015) report a study on another close relative of PSTVd, chrysanthemum stunt viroid (CSVd), which in certain Argyranthemum cultivars induces symptoms—such as yellow deformed leaves with terminal necrosis, flower distortion, or leaf necrosis—resembling those previously observed in CSVdinfected chrysanthemum
Summary
A commentary on Invasion of shoot apical meristems by Chrysanthemum stunt viroid differs among Argyranthemum cultivars by Zhang, Z., Lee, Y., Spetz, C., Clarke, J. The relative vascular isolation of the SAM from the surrounding tissue may hamper viroid invasion, with the fraction of regenerated viroid-free plants being dependent on the size of the shoot tip as well as on the specific viroid, host, and even cultivar.
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