Table 1 Phylogenetic assignment of teleost MTRs to a standardized nomenclature system
Receptors attributed from literature vs. orthology group assignment from this studyReferences
MT1MT2Mel1cMel1d
SpeciesMT1aMT1bMT2aMT2b
DrDanio rerio (zebrafish)Z1.7 (U31822.1)Z2.6 (U31824.1)Z1.4 (U31823.1)Reppert et al. (1995b)
zMel1a1, Z1.7-4, mtnr1aa (NM_131393.1)zMel1a3 (XM_688989.6)zMel1b2, Z6.2, Mel1b-19, mtnr1ba (NM_131395.1)zMel1b1, Z2.6-4, mtnr1bb (NM_131394.1)zMel1c, Z2.3, mtnr1c (NM_001161484.1)zMel1a2, Z1.4, mtnr1al (NM_001159909.1)Shang & Zhdanova (2007)
OmOncorhynchus mykiss (rainbow trout)R1.7 (AF156262.1) = MT1a2R1.4 (AF178538.1)Mazurais et al. (1999)
ElEsox lucius (northern pike)P2.6 (AF188871.1)P1.4 (XM_010903666.1)Gaildrat and Falcón, (2000)
OkeOncorhynchus keta (chum salmon)mel1a (AY356364.1) = MT1a2mel1b (AY356365.1)Shi et al. (2004)
SgSiganus guttatus (golden rabbitfish)Mel1a (DQ768087.1)Mel1c (DQ768088.1)Mel1b (DQ522314.1)Park et al. (2006), (2007a,b), (2014)
CaCarassius auratus (goldfish)Mel1a1.7 (AB378058.1)Mel1b (AB378059.1)Mel1c (AB378060.1)Mel1a1.4 (AB378057.1)Ikegami et al. (2009)
G1.7 (AB481372.1)G6.2 (AB481374.1)G2.6 type1 (AB481373.1)Mel1c (AB481375.1)G1.4 (AB481371.1)Saito, unpublished
DlDicentrarchus labrax (sea bass)dlMT1 (EU378918.1)dlMT2 (EU378919.1)dlMel1c (EU378920.1)Sauzet et al. (2008) Herrera-Pérez et al. (2010)
SseSolea senegalensis (Senegal sole)ssMT2 (FM213464.1)ssMel1c (FM213465.1)ssMT1 (FM213463.1)Confente et al. (2010)
OnOreochromis niloticus (Nile tilapia)mel1a (AY569971.1)Jin et al. (2013)
EcEpinephelus coioides (orange-spotted grouper)MT1 (JX524508.1)MT2 (JX524509.1)Chai et al. (2013)
BpBoleophthalmus pectinirostris (mudskipper)Mtnr1a1.7 (KC622030.1)Mtrn1b (KC622031.1)Mtnr1c (KC622032.1)Mtnr1a1.4 (KC622029.1)Hong et al. (2014)
TnTakifugu niphobles (grass puffer)mel1a1.7 (AB492764.1)mel1b (AB492765.1)mel1c (AB492766.1)mel1a1.4 (AB492763.1)Ikegami et al. (2015)
PnPorichthys notatus (plainfin midshipman - “singing” fish)mtnr1A1.7 (HQ007044)Mel1b (KT878765.1)mtnr1a1.4 (HQ007045)Feng & Bass, 2016, Feng unpublished
AmelAmphiprion melanopus (cinnamon clownfish)MT-R1 (HM107821.1)Choi et al. (2016)
  • Phylogenetic assignment according to findings of this study; previous publications using distinct nomenclature systems are provided. Sequences in red signal a significant change in assignment. N.B.: the R2.6 gene (AF178929.1) is a chimera between Mel1d and MT2b2.