Table 1. Summary of the reads mapped to the reference genomes and genes of P. denitrificans in the absence (Control) and presence of 50 mg/L carboxyl-modified SWNT.

		Control		Carboxyl-modified SWNT
		Number of reads	Percentage	Number of reads	Percentage
Total number of high-quality reads		23080806	100.0%	21831574	100.0%
Total basepairs of high-quality reads		1881207366	100.0%	1666282416	100.0%
Map to Genome	Total mapped reads	21414916	92.8%	19136498	87.7%
	Unique matches	18935555	82.1%	14784420	67.8%
	Multi-position matches	2479361	10.7%	4352078	19.9%
	Total unmapped reads	1665890	7.2%	2695076	12.3%
Map to Gene	Total mapped reads	15015022	65.1%	13585102	62.2%
	Unique matches	12168362	52.7%	9259014	42.4%
	Multi-position matches	2846660	12.4%	4326088	19.8%
	Total unmapped reads	8065784	34.9%	8246472	37.8%