Table 1. Primer sequences used for quantitative PCR for both A. aspera and Symbiodinium clade C1.

Organism	Gene name	Forward Primer	Reverse Primer	Reaction efficiency	Accession number or citation
Coral	Glutamine synthetase	TTTGGATCGATGGAACAGGAGAG	TCGGCACTAAGAGGTTCGGATTC	1.10	DY579366.1
	HSP90	TTTCTTGTTGCTGACCGTGTAATAGTA	CCCCTGGGATCCTCTGTGA	0.99	DY584045.1
	HSP70	GTCGCTCTCAATCCATCAAATACT	GTCTCCCACCTTCGCTTACG	0.98	GO000475.1
	Malonyl Co-A carboxylase	GTTGGGCGGGGACACATCATC	GCAGACGTCATCAGTTCAGTAT	1.02	EZ001045.1
	α-ketoglutarate dehydrogenase	AGTTAGGCTTCATGTCCGCTTTCA	GACAATCTCACTGCCTTCAATAACTGC	1.00	EZ012855.1
	Glycogen phosphorylase	CTCAGGAAAGCCATCAATCAAATCAGG	TGCATCAAAGTCGGCCATAAGAAGG	1.01	EZ031953.1
	Glycogen synthase	TCAAATCTGCCGAGGAATCAATCAA	AGTCGCTCCGTTCTGTTTCTCTGG	1.01	GW213759.1
	GAPDH	GAGGCTGGTGCAGATTTTGT	TGACTTTCTTGGCTCCACCT	1.04	EZ026309.1
	rpS7	AGCAAAGGAGGTTGATGTGG	GACGGGTCTGGATCTTTTGA	0.97	[59]
	AdoHcyase	AAGAAGACAAACATCAAGCCTCA	CACATCCAAGGTTCACAAGACG	0.94	[59]
Symbiodinium	Glutamine synthetase	GAGGAAACCGAGGCCCGTCAGGAAGTGA	AGCAGGCAAGAAGCCGGTCTCGGTCATC	1.00	JF915366
	HSP90	GCTTGAGTTCCGTGCTTTGTTGT	CTTCGCACGTAGAGTTTGATGTTGT	1.04	EH038163.1
	HSP70	TTTGAGGAGCTGTGCATGGACTACTT	GGAACCACCCACCAGAACCACATCAT	1.03	EH037708.1
	Malonyl Co-A carboxylase	TTTCCAAAGGGCTTCTCGTGTGC	ACCCTTCTTCTCAGCCAGCTCCTTCAG	0.99	JF915367
	α-ketoglutarate dehydrogenase	ATCAAGATGCGAAAGGAATACAAG	GCATAAGCACTGGCCAGAAAGAAC	0.99	EH037114.1
	GAPDH	GCCCTGCGTGTGCCAACCAT	CTTCATCTCAGCGCAAATCTCCTCGTA		EH036392.1
	β-actin	TGGACAACGGAAGCGGAATG	GCCAACAATGGATGGGAAAACT	1.04	[24]
	PCNA	GAGTTTCAGAAGATTTGCCGAGAT	ACATTGCCACTGCCGAGGTC	0.98	[24]