Secondary structure, high variability and conserved motifs for domain III of 12S rRNA in the Arthropleona (Hexapoda; Collembola)

2004 ◽  
Vol 13 (6) ◽  
pp. 659-670 ◽  
Author(s):  
A. Carapelli ◽  
F. N. Soto-Adames ◽  
C. Simon ◽  
F. Frati ◽  
F. Nardi ◽  
...  
Keyword(s):  
Secondary Structure ◽  
High Variability ◽  
12S Rrna ◽  
Conserved Motifs ◽  
Domain Iii

scholarly journals Conserved sequence motifs, alignment, and secondary structure for the third domain of animal 12S rRNA

1996 ◽  
Vol 13 (1) ◽  
pp. 150-169 ◽  
Author(s):  
R. E. Hickson ◽  
C. Simon ◽  
A. Cooper ◽  
G. S. Spicer ◽  
J. Sullivan ◽  
...  
Keyword(s):  
Secondary Structure ◽  
12S Rrna ◽  
Sequence Motifs ◽  
Conserved Sequence ◽  
The Third ◽  
Conserved Sequence Motifs

scholarly journals Conserved Motifs and Domains in Members of Pospiviroidae

Cells ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 230
Author(s):  
Kevin-Phil Wüsthoff ◽  
Gerhard Steger
Keyword(s):  
Secondary Structure ◽  
Pairwise Alignment ◽  
Functional Domains ◽  
Alignment Method ◽  
Conserved Motifs ◽  
Fixed Domain ◽  
Original Hypothesis ◽  
The Family

In 1985, Keese and Symons proposed a hypothesis on the sequence and secondary structure of viroids from the family : their secondary structure can be subdivided into five structural and functional domains and “viroids have evolved by rearrangement of domains between different viroids infecting the same cell and subsequent mutations within each domain”; this article is one of the most cited in the field of viroids. Employing the pairwise alignment method used by Keese and Symons and in addition to more recent methods, we tried to reproduce the original results and extent them to further members of which were unknown in 1985. Indeed, individual members of consist of a patchwork of sequence fragments from the family but the lengths of fragments do not point to consistent points of rearrangement, which is in conflict with the original hypothesis of fixed domain borders.

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