Table 1. Clean statistics of raw reads.

Sample	Total reads	Clean reads	Clean ratio	no rRNA	rRNA ratio	no rRNA pair
S00617149I	90,982,528	89,864,784	98.77%	89,759,340	0.12%	89,759,340
S00617149II	96,468,902	95,843,912	99.35%	90,462,322	5.61%	90,462,322
S00617149III	86,368,040	85,588,616	99.10%	84,823,360	0.89%	84,823,360
S01180635I	82,175,600	81,447,962	99.11%	79,434,522	2.47%	79,434,522
S01180635II	84,978,642	83,951,322	98.79%	83,198,370	0.90%	83,198,370
S01180635III	86,625,880	85,687,400	98.92%	85,629,238	0.07%	85,629,238
S01180656I	91,730,370	90,951,556	99.15%	87,969,762	3.28%	87,969,762
S01180656II	86,157,106	85,329,020	99.04%	84,280,136	1.23%	84,280,136
S01180656III	82,772,778	81,732,942	98.74%	80,996,134	0.90%	80,996,134