Research Article

Whole-Genome Sequencing Revealed a Late-Maturing Isogenic Rice Koshihikari Integrated with Hd16 Gene Derived from an Ise Shrine Mutant

Table 1

Summary of resequencing data by next-generation sequencing.

Seq by Illumina HiSeq 4000Mapping to the ref. genomeMapping status
Library nameReads obtained (bp)Bases generated (bp)Reads unmapped/mapped
ratio (%)
Ref. bases cover
ratio (%)
median meanDepth medianDepth mean

Koshihikari_166,135,7296,679,708,6290.00588411999.03155997153113.78330~35.67571
Koshihikari_266,135,7296,679,708,629
Koshihikari Hd-i_1114,244,16011,538,660,1600.00340630599.18284484184160.23230~61.51913
Koshihikari Hd-i_2114,244,16011,538,660,160

A whole-genome analysis by next-generation sequencing was conducted on Koshihikari and the late-maturation isogenic Koshihikari (BC4F2), which was integrated with the late-maturation gene derived from Isehikari. First, the read sequences gained by NGS from Koshihikari genome were mapped by using the Nipponbare genome as a reference sequence. As a result, a 372,912,445 bp long consensus sequence of the Koshihikari genome was constructed at the average depth of 35.68 with 99.0% cover ratio. Next, by using the consensus sequence of Koshihikari as a reference, the read sequences gained from late-maturation isogenic Koshihikari were assembled at 99.1% cover ratio with the average depth of 61.52.