Table 1 Statistics of the Pennisetum giganteum genome assembly and annotation

Genome assembly

 Estimated genome size (Gb)

1.90

 Assembled genome size (Gb)

2.03

 A subgenome size (Gb)

0.92

 B subgenome size (Gb)

1.09

 Number of contigs

83

 Contig N50 (Mb)

88.47

 Longest scaffold (Mb)

147.88

 Chromosome numbers

14

 Anchored rate (%)

99.17

 GC content

47.24%

 BUSCO

98.5%

 LAI

19.32

Genome annotation

 Repeat region % of assembly

66.12%

 Predicted gene models

85,313

 Gene models in A subgenome

42,746

 Gene models in B subgenome

42,567

 Average gene sequence length (bp)

3042

 Average exons per gene

4.29

 Average exon length (bp)

258