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. 2021 May 13;17(5):e1009530. doi: 10.1371/journal.pgen.1009530

Fig 5. Genetic features of the unique sensory systems of Yap hadal snailfish.

Fig 5

(A) Evolution and synteny of taste genes across several representative teleosts. The reference gene positions were based on the zebrafish genome. The white pentagons indicate lost genes. Tas2r: taste receptor type 2, pkd2l1: polycystic kidney disease 2-like 1. (B) Numbers of functional genes or pseudogenes encoding δ group olfactory receptors in various fish species. (C) Amino acid residues at the nine critical nine sites in rhodopsin across representative fish species and λmax values of rhodopsin in different fish species. YHS: Yap hadal snailfish, MHS: Mariana hadal snailfish, Sia: Sinocyclocheilus anshuiensis, Sig: Sinocyclocheilus grahami, Sir: Sinocyclocheilus rhinocerous.