Transcriptome profiling of the floating-leaved aquatic plant Nymphoides peltata in response to flooding stress

BMC Genomics

Table 1 Overview of transcriptome sequencing and unigene annotations

	Untreated sample (No flooding stress)	Treated sample (Under flooding stress)	Total
Raw reads	87,520,118	115,308,872
Clean reads	78,037,588	103,266,542
Q20 (%)^a	95.31	95.63
Unigene number^b	87,673	95,372	124,302
Unigene N50 (bp)^b	1195	1140	1449
NR database^b	37,697	42,654	53,744
Swissprot database^b	26,086	31,422	37,556
GO deatabase^b	22,602	25,733	30,326
KEGG database^b	8409	10,048	11,408
COG database^b	34,413	39,180	48,156
Total annotated^b	43.81%	45.11%	43.86%

^aThe percentage of sequences with an error rate < 1%
^bThese statistics were based on an assembly of all clean reads from both treated and untreated samples

ISSN: 1471-2164