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#' @title Curing of biological sequences
#' @description Curates biological sequences of two restriction enzyme primers or cloning vectors.This cleaning is required for techniques such as cDNA-AFLP.This cleaning is required for techniques such as cDNA-AFLP.
#' @param SEQs file with fasta format containing biological sequences that are to be cleaned.
#' @param PrimerR dnastring containing the reverse primer/vector sequences to be removed.
#' @param PrimerF dnastring containing the foward primer/vector sequences to be removed.
#' @return clean biological sequences and visualization of the alignments
#' @import Biostrings
#' @author Florencia I Pozzi, Silvina A. Felitti
#' @examples
#' SEQs = readDNAStringSet(system.file("sequences","SeqInputTPR.fasta", package = "CleanBSequences"))
#' PrimerR= DNAString ("GACTGCGTACCATGC")
#' PrimerF = DNAString("GATGAGTCCTGACCGAA")
#' DNAStringSetTPR (SEQs,PrimerF,PrimerR)
#' @export
DNAStringSetTPR = function (SEQs,PrimerF,PrimerR){
lengthF = length(PrimerF)
LENGTHF= (lengthF* 80)/100
lfF=lengthF-LENGTHF
lffF=as.integer(lfF)
m1a = vmatchPattern(PrimerF, SEQs, max.mismatch=lffF)
nmatchPos1= end(m1a)
PrimerRRC = reverseComplement(PrimerR)
lengthRRC = length(PrimerRRC)
LENGTHRRC= (lengthRRC* 80)/100
lfRRC=lengthRRC-LENGTHRRC
lffRRC=as.integer(lfRRC)
m2a = vmatchPattern(PrimerRRC, SEQs, max.mismatch=lffRRC)
nmatchPos2=start(m2a)
A=nmatchPos1+1
B=nmatchPos2-1
C = as.integer(A)
D = as.integer(B)
Subseq= DNAStringSet(subseq(SEQs, start=C, end=D))
print(Subseq)
fname=tempfile()
writeXStringSet(Subseq,fname)
localAlign = pairwiseAlignment(SEQs, PrimerRRC, type = "local")
print(localAlign)
localAlign2 = pairwiseAlignment(SEQs,PrimerF, type = "local")
print(localAlign2)
}
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