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TIGER version 2

Target / Integrative Genetic Element Retriever, version 2

Citation

Mageeney CM, Lau BY, Wagner JW, Hudson CM, Schoeniger JS, Krishnakumar R and Williams KP. 2020. New candidates for regulated gene integrity revealed through precise mapping of integrative genetic elements. Nucleic Acids Research 48(8):4052-4065 (doi.org/10.1093/nar/gkaa156) Mageeney CM, Trubl G, Williams KP. 2022. Improved mobilome delineation in fragmented genomes. Front Bioinform doi: 10.3389/fbinf.2022.866850

INSTALLATION

git clone -b TIGER2 https://github.com/sandialabs/TIGER.git

User should have a reference genome blast database available, such as refseq_genomic

User should download Pfam-A.hmm from pfam and place it or a symbolic link to it in the TIGERPATH/db directory

ln -s /ABSOLUTE_PATH/Pfam-A.hmm comparator/db/Pfam-A.hmm

The following programs (with suggested versions) must be properly installed and in the user's path:

  • blastn, blastdbcmd, makeblastdb 2.6.0+
  • prokka 1.11
  • bedtools 2.27.1
  • tRNAscan-SE 2.0.2
  • cmscan 1.1.2
  • Perl Core: List::Util, File::Spec, Cwd, Getopt::Long
  • Perl Noncore: IPC::Run3

RUNNING

Requires a .fa file and .tax file in the same folder with the same prefix, as at comparator/testdata The tab-separated fields of the one-line .tax file are:

  1. taxid
  2. organism
  3. Division;Phylum;Class;Order;Family;Genus;Species
  4. Genetic code (see https://www.ncbi.nlm.nih.gov/Taxonomy/Utils/wprintgc.cgi)
  5. Nickname (short name for organism, eg Eco837 for the 837th E. coli genome)

Sample calls to try within /testdata (PATH: to TIGER installation; DB: to reference genome blast database)

perl PATH/bin/islander.pl -verbose genome.fa &> islander.log

perl PATH/bin/tiger.pl -verbose -db DB -fasta genome.fa &> tiger.log

perl PATH/bin/typing.pl genome.island.nonoverlap.gff &> typing.log

perl PATH/bin/resolve.pl mixed > resolved.gff 2> resolved.log

perl PATH/bin/typing.pl resolved.gff &> typing.log

Notes:

before rerunning islander.pl: rm genome.stats

before rerunning tiger.pl: rm genome.island.nonoverlap.gff