Table 1: Primer sequences used for identification of sponge and Archaea.

Organism	Primers	Sequences	Size (bp)	Reference
Sponge	LCO1490 F	5′- GGTCAACAAATCATAAAGATATTGG- 3′	500	[22]
	HCO2198 R	5′- TAAACTTCAGGGTGACCAAAAAATCA- 3′
Archaea	21F	5′- TTCCGGTTGATCCYGCCGGA- 3′	1300	[23]
	1492R	5′- GGTTACCTTGTTACGACTT- 3′