Recent studies have noted that single-alignment phylogenetic footprinting approaches often produce inaccurate or inconsistent results depending on the alignment method used, and have called for new techniques capable of controlling for alignment error and uncertainty [ 1, 8- 11].
However, for users who have identified specific genomic regions to study in detail, the benefit of controlling for alignment error and uncertainty by using BigFoot may justify the additional computational time needed for the analysis.
For arbitrary sequences, the GENECONV program (Sawyer 1989) identifies runs of sequence similarity between pairs of sequences that are unexpectedly long given the overall distribution of similar bases in a sequence alignment, while controlling for the structure of the genetic code.
Intervention: The women sat in a standardized sitting position and radiographs were taken in a lateral position with fluoroscopic control for alignment.
Samples were subjected to the alignment procedure during deposition on the coverslip (SI-3) except for the data described in Figure S10e (serving as a control for alignment).
The expression data for EST and full-length cDNA (FL-cDNA) of zebrafish were downloaded from the UCSC (http://hgdownload.cse.ucsc.edu/downloads.html) [ 99]. EST and FL-cDNA data processing, such as genomic mapping, quality control for alignment, and EST or FL-cDNA to zebrafish gene mapping followed [ 77], which imposed a stringent quality control to retain high-quality mappings.
While there have been multiple approaches that have been used for controlling fiber alignment, however, they have been associated with a compromised control on other properties, such as diameter, morphology, curvature, and topology of fibers.
To control for sequence verse structure alignment, the 5' and 3'-flanking sequences are aligned using ClustalW or Mxscarna [ 47].
To control for bias introduced by alignment error or by other technical sources, genomic DNA from the same F1 genotype was collected ([ 48], SRA accession number SRA048616).
For spatially controlling cell alignment, near field electrospinning (NFES) was developed to direct-write alginate fiber patterns.
To control for sampling error, full-length alignments were randomized by permuting the alignment columns after which the domains were extracted using the same coordinates as in the original alignment, and the distances were calculated as indicated above.
