The Tetrahymena metallothionein gene family: twenty-one new cDNAs, molecular characterization, phylogenetic study and comparative analysis of the gene expression under different abiotic stressors

Table 1 Present ciliate metallothioneins

Taxonomic group	Ciliate species	CdMT	CuMT	Total
Borealis (RSA2)	T. borealis	TborMTT1^a	TborMTT3^a	7
		TborMTT2^a	TborMTT4^a
			TborMTT6^a
			TborMTT7^a
			TborMTT8^a
Borealis (RSA2)	T. elliotti	TelliMTT1^a	TelliMTT6^a	4
Borealis (RSA2)	T. elliotti	TelliMTT2^a	TelliMTT8^a	4
Borealis (RSA1)	T. malaccensis	TmalaMTT1^a	TmalaMTT5^a	5
		TmalaMTT2^a
		TmalaMTT3^a
		TmalaMTT4^a
Borealis (RSA2)	T. mobilis	TmobMT1	?	1
Borealis (RSB)	T. pyriformis	TpyrMT-1	?	2
Borealis (RSB)	T. pyriformis	TpyrMT-2	?	2
Borealis (RSA2)	T. rostrata	TrosMTT1	TrosMTT2	2
Borealis (RSA1)	T. thermophila	TtheMTT1	TtheMTT2	5
		TtheMTT3	TtheMTT4
		TtheMTT5	TtheMTT4
Borealis (RSA2)	T. tropicalis	TtroMTT1	TtropMT1	3
Borealis (RSA2)	T. tropicalis	TtroMTT1	TtropMT2	3
Borealis (RSB)	T. vorax	TvorMT1	?	1
Australis (RSC)	T. americanis	TamerMTT1^a	TamerMTT3^a	3
Australis (RSC)	T. americanis	TamerMTT2^a	TamerMTT3^a	3
Australis (RSC)	T. hegewischi	ThegMT-1	?	4
		ThegMT-2
		ThegMT-3
		ThegMT-4
Australis (RSC)	T. patula	TpatMTT1^a	?	2
Australis (RSC)	T. patula	TpatMTT2^a	?	2
Australis (RSC)	T. pigmentosa	TpigMT-1	TpigMT-2	2
Ichthyophthiriidae	I. multifiliis	?	ImMTT2^a	1
Total	14	26	16	42

ISSN: 1471-2164