The presence of nitrate dramatically changed the predominant microbial community in perchlorate degrading cultures under saline conditions

Table 2 Summary of metagenomic contig assembly

	P30 culture	NP30 culture
Number of 36-mer reads collected	7,551,046	6,307,535
Number of assembled contigs	42,437	27,725
Number of nucleotides in contigs > 100nt	9,850,121	5,030,930
Longest sequence, nt	3,421	5,099
Mean, nt	232	181
N50, nt	258	183
Shortest sequence, nt	100	100

ISSN: 1471-2180