Cocadviroid (genus)

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secondary structure of the Coconut cadang-cadang viroid, CCR = central conserved region (click on image to enlarge it)
Author(s): Tamara Giguère, Charith Raj Adkar-Purushothama and Jean-Pierre Perreault
Source: PLoS ONE, 2014, 9 (6) e98655

Cocadviroid (genus)

The genus includes several viroids similar to the coconut cadang-cadang viroid (CCCVd). It is related to the genus Pospiviroid and like in that genus the members have a central conserved region (CCR) and lack the ability to self-cleave through hammerhead structures when the circular RNA molecules are formed.

The genus is defined by the nuleotide sequence in the CCR and members share at least 90% of that sequence with CCCVd. The circular, single stranded RNA molecule contains 245-285 nucleotides.


The following species are currently entered under Cocadviroid (genus):