Fig. 1From: Expression of NK genes that are not part of the NK cluster in the onychophoran Euperipatoides rowelli (Peripatopsidae)Summary diagram showing NKL gene complements in different metazoan taxa (see also Additional file 1 for further information on the number of NKL genes in different metazoan taxa). Numbers in brackets refer to the corresponding references. Abbreviations: P, Porifera; C, Cnidaria; L, Lophotrochozoa; E, Ecdysozoa; D, Deuterostomia [22, 25, 27,28,29, 31, 137,138,139,140,141,142,143]Back to article page