DNA Barcodes BLAST

Enter DNA Sequence

Accepts FASTA format or plain DNA sequence. Sequence will be automatically formatted.

Upload FASTA File

Upload a FASTA file containing DNA sequence(s). Supported formats: .fasta, .fa, .fna, .faa, .fas

Select Marker Type All Database (Search all markers) COI (Cytochrome Oxidase I) - All COI markers ITS (Internal Transcribed Spacer) - All ITS markers 18S (Small Subunit rRNA) matK (maturase K) rbcL (Ribulose-1,5-bisphosphate) 16S (Small Subunit rRNA) CYTB (Cytochrome B) 28S (Large Subunit rRNA) ND (NADH Dehydrogenase) - All ND markers trn (Chloroplast trn family) Other Markers

Choose "All Database" to search all markers, or select a specific marker family.

E-value Threshold

Lower values = stricter matching. Common: 1e-3 to 1e-10