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Substitutions/indels

FIGURE 6.3 The secondary structure of the tmL intron of Brachythecium cirmsum and secondary structures of P8 regions of Oxyrrhynchium Mans and Donrichardsia macroneuron. Numbers indicate positions in POY alignment where substitutions/indels occur (see supplemental CD). [Pg.128]

The genera of Brachytheciaceae are quite diverse with respect to the level of substitution/indel events within the tmL intron (Appendices 6.1 and 6.2). Very few (0 to 3) substitution/indel events are observed in all members of the Homalothecioideae, most members of the Brachythecioideae (with the exception of Sciuro-hypmm and four species closely related to Brachythecium salebrosum, which have a long insertion), as well as basal groups of the Helicodontioideae (Squamidium clade),... [Pg.128]

Common substitutions/indels in the intron were mapped on the Rigodiadelphus robustus structure (Figure 9.5) based on the alignment for the dataset 1 (see Appendix 9.2 on the supplemental CD). Special attention was paid to substitutions in conservative S, P-Q, and R parts of the intron. Rigodiadelphus robustus was selected for this procedure because its intron, as far as was possible to evaluate by eye from the alignment, has the minimum of peculiar substitutions observed in other species of Leskeaceae involved in the analysis. [Pg.182]

Dumas s Parisian school also became known as the French school of chemistry. Theophile Jules Pelouze complained about Dumas that he was using the theory of substitution to elevate himself to the position of "Chef de l Ecole" of the new organic chemistry. Adolphe Wurtz praised Dumas in saying that "the basic lines [of the substitution theory] are indelibly drawn, and it was the French School that drew them." 13... [Pg.34]

Insertion/deletion and substitution of secondary structural elements (Figure 18.4A). Insertions/deletions and substitutions are the most common events in protein evolution. Together they may lead to potentially significant changes in protein structures. Typically InDels are short (one to five residues), although longer InDels that occur at the periphery of the structure do not apparently affect its fold. However, consecutive InDels may cause substitutions of secondary structural elements (a-helix... [Pg.704]

Polymorphisms are related to the insertion, deletion, and substitution of one or more nucleotides in a DNA strand (Bell, 2002 Bentley, 2000), events that can occur during the duplication process of these strands. Two important and common types of polymorphism are the so called SNP - Single Nucleotide Polymorphism, which is related to only one nucleotide, and the InDels, when there are insertions and deletions of more than one nucleotide. [Pg.126]

Once the main clades within the Brachytheciaceae had become more or less stabilized, our main goal was to elucidate the position of taxa not included or not well represented in the previous analyses, and also to find additional arguments for generic and subfamilial placement of some particular taxa. Three methods are involved here (1) evaluation of the molecular synapomorphies in POY alignment, i.e., characteristic indel events and substitutions (2) analysis of the secondary structure of the tmL intron and (3) phylogenetic analysis of a reduced dataset from previous analyses, with some additional taxa. [Pg.121]


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See also in sourсe #XX -- [ Pg.182 ]




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