Description

The RefSeq mRNAs gene track for the 18 Oct 2022 Leishmania amazonensis/GCA_025688915.1_ASM2568891v1 genome assembly displays translated blat alignments of vertebrate and invertebrate mRNA in GenBank.

Data Access

Download GCA_025688915.1_ASM2568891v1.xenoRefGene.gtf.gz GTF file.

Track statistics summary

Total genome size: 31,930,384
Gene count: 603
Bases in genes: 706,143
Percent genome coverage: % 2.212

Methods

The mRNAs were aligned against the Leishmania amazonensis/GCA_025688915.1_ASM2568891v1 genome using translated blat. When a single mRNA aligned in multiple places, the alignment having the highest base identity was found. Only those alignments having a base identity level within 1% of the best and at least 25% base identity with the genomic sequence were kept.

Specifically, the translated blat command is:

blat -noHead -q=rnax -t=dnax -mask=lower target.fa query.fa target.query.psl

where target.fa is one of the chromosome sequence of the genome assembly,
and the query.fa is the mRNAs from RefSeq
The resulting PSL outputs are filtered:
pslCDnaFilter -minId=0.35 -minCover=0.25  -globalNearBest=0.0100 -minQSize=20 
  -ignoreIntrons -repsAsMatch -ignoreNs -bestOverlap 
    all.results.psl GCA_025688915.1_ASM2568891v1.xenoRefGene.psl
The filtered GCA_025688915.1_ASM2568891v1.xenoRefGene.psl is converted to genePred data to display for this track.

Credits

The mRNA track was produced at UCSC from mRNA sequence data submitted to the international public sequence databases by scientists worldwide.

References

Benson DA, Cavanaugh M, Clark K, Karsch-Mizrachi I, Lipman DJ, Ostell J, Sayers EW. GenBank. Nucleic Acids Res. 2013 Jan;41(Database issue):D36-42. PMID: 23193287; PMC: PMC3531190

Benson DA, Karsch-Mizrachi I, Lipman DJ, Ostell J, Wheeler DL. GenBank: update. Nucleic Acids Res. 2004 Jan 1;32(Database issue):D23-6. PMID: 14681350; PMC: PMC308779

Kent WJ. BLAT - the BLAST-like alignment tool. Genome Res. 2002 Apr;12(4):656-64. PMID: 11932250; PMC: PMC187518