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Table 1 overview of mean mapped read depth per chromosome, and the derived B-genome chromosome lengths following alignment to the A-genome

From: “A draft Musa balbisiana genome sequence for molecular genetics in polyploid, inter- and intra-specific Musa hybrids”

Sequence ‘Pahang’ Reference length/bp Mapped reads count Mean mapped read depth ‘PKW’ mapped read length/bp % of A -genome coverage
chr1 27,573,629 11,164,973 36.9 22,038,404 79.9
chr2 22,054,697 8,996,066 37.1 17,349,238 78.7
chr3 30,470,407 12,275,431 36.6 24,161,952 79.3
chr4 30,051,516 13,632,301 41.3 24,656,528 82.0
chr5 29,377,369 12,398,532 38.2 23,648,591 80.5
chr6 34,899,179 16,499,244 43.0 27,831,592 79.7
chr7 28,617,404 13,123,105 42.1 22,212,853 77.6
chr8 35,439,739 14,663,790 37.7 27,665,716 78.1
chr9 34,148,863 14,480,461 38.5 25,900,723 75.8
chr10 33,665,772 14,673,154 39.6 25,230,959 74.9
chr11 25,514,024 11,897,139 42.3 20,721,546 81.2
chrUn_random 141,147,818 100,613,680 64.2 80,013,141* 56.7*
total counts / averages 472,960,417 244,417,876 41.4 341,431,243* 78.9**
  1. *The assembled PKW consensus sequence for ‘B-chrUn_random’ derived from read mapping is 80.01 Mb, but for molecular genetic studies, all gaps were filled with ‘N’s to prevent artificial concatenation and ‘bridging’ of mapped reads across unrelated genic regions. Therefore the working sequence length is 141.13 Mbp, essentially the same as for the homoeologous A-genome sequence, and the working PKW consensus genome length is 402.547 Mbp.
  2. **The mean% of A-genome chromosome length is calculated only for chromosomes 1 – 11.