Zebrafish vs Lyretail cichlid LastZ results

Zebrafish (Danio rerio, GRCz11) and Lyretail cichlid (Neolamprologus brichardi, NeoBri1.0) were aligned using the LastZ alignment algorithm (LastZ) in Ensembl release 94. Zebrafish was used as the reference species. After running LastZ, the raw LastZ alignment blocks were chained according to their location in both genomes. During the final netting process, the best sub-chain was chosen in each region on the reference species.

Configuration parameters

ParameterValue
Gap open penalty (O)400
Gap extend penalty (E)30
HSP threshold (K)3000
Threshold for gapped extension (L)3000
Threshold for alignments between gapped alignment blocks (H)2200
Masking count (M)
Seed and Transition value (T)1
Scoring matrix (Q)
Default:
     A    C    G    T
    91 -114  -31 -123
  -114  100 -125  -31
   -31 -125  100 -114
  -123  -31 -114   91

Chunking parameters

ParameterZebrafishLyretail cichlid
Chunk size10,000,00010,100,000
Overlap0100,000
Group set size010,100,000
Masking options

Statistics over 322,301 alignment blocks

Genome coverage (bp) Coding exon coverage (bp)
Zebrafish

Uncovered: 1,286,247,361 out of 1,373,471,384
Covered: 87,224,023 out of 1,373,471,384

Uncovered: 9,077,649 out of 42,031,845
Matches: 22,761,947 out of 42,031,845
Mismatches: 9,722,144 out of 42,031,845
Insertions: 470,105 out of 42,031,845
Identity over aligned base-pairs: 69.1%

Lyretail cichlid

Uncovered: 778,386,517 out of 847,910,432
Covered: 69,523,915 out of 847,910,432

Uncovered: 5,540,409 out of 33,846,093
Matches: 20,128,251 out of 33,846,093
Mismatches: 7,605,867 out of 33,846,093
Insertions: 571,566 out of 33,846,093
Identity over aligned base-pairs: 71.1%

Block size distribution

Size range All 322,301 alignment blocks Blocks grouped in nets
# blocks Total size (incl. gaps) # nets Total size (incl. gaps)
1 bp - 10 bp
2,127
9.4 kb
10 bp - 100 bp
47,786
3.4 Mb
16,418
1.2 Mb
100 bp - 1 kb
259,742
66.4 Mb
86,325
27.5 Mb
1 kb - 10 kb
11,987
25.3 Mb
19,382
49.0 Mb
10 kb - 100 kb
659
12.7 Mb
1,384
27.8 Mb
100 kb - 1 Mb
15
2.3 Mb