Words similar to spacer

Example sentences for: spacer

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The uvrB and uvrC genes fall in separate large deleted regions between syntenic fragments, whereas uvrA is one of six genes deleted within a syntenic region, with the corresponding position in Buchnera occupied by a 618 bp spacer (Table 1).
Given the rapid rate of DNA loss for unconstrained sequences in Drosophila [ 48, 49], it is difficult to understand the mere existence of spacer intervals, as well as their conservation of length, without invoking some form of functional constraint acting on these sequences.
Therefore, silencing spreading in the wild-type “spacer” in the sandwich grafts could not be assisted by an endogenous sequence.
The patterns of nucleotide diversity at individual positions are similar for both 12- and 23-RSS: the initial CAC of the heptamer is invariant, the remaining four positions of the heptamer are moderately diverse, the spacer is highly diverse, and the A tract of the nonamer (positions 5 through 7) is better conserved than the other nonamer positions (Figure 1a).
SLC4A9 , exons 21 and 23, consist entirely of repetitive elements, except for a 10-nucleotide spacer in exon 23.