. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SAox3 I— J V | @H SAox2 VI labial [D] anterior E\ SAoxl Antp [D] central - . Neighbor-joining caudal [D] engrailed [D] IV TCL-3 ^ r ~@ L ] ' empty-spiracles [D] ceh-9 [C] cnox3 J III distal-less [D] NK1 [D] NK-2[D]. Scale msh [D] ] VIII even-skipped [D] eveC ] VII paired [D] orthodenticles [D] — = 0 1 changes per s
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SAox3 I— J V | @H SAox2 VI labial [D] anterior E\ SAoxl Antp [D] central - . Neighbor-joining caudal [D] engrailed [D] IV TCL-3 ^ r ~@ L ] ' empty-spiracles [D] ceh-9 [C] cnox3 J III distal-less [D] NK1 [D] NK-2[D]. Scale msh [D] ] VIII even-skipped [D] eveC ] VII paired [D] orthodenticles [D] — = 0 1 changes per site • cut [D] -pdm-1 [D] -zfh-1 [D] apterous [D] Figure 5. Phylogenetic relationships of predicted homeodomain sequences from cnidarians and bilateriai s were inferred using the neighbor-joining algorithm (Saitou and Nei. 1987). The tree was generated as described in Figure 2. Cnidarian homeodomain sequences are labeled as in Figures 2 and 3, except that brackets are used to identify representative sequences from each cnidarian class (Naito ft til. 1993: roman numerals). Non- cnidarian homeodomain sequences were chosen to represent each of the 20 proposed classes of homeobox genes that make up an existing classification scheme (Biirglin, 1994). Non-cmdanan sequences are from Dn>- stiplitlu [D]. C. flfgans [C], and Homo sapifns [H]. Branch lengths in the horizontal direction are proportional to the number of expected amino acid substitutions that have occurred per site (scale at lower right). Branch lengths in the \ertical direction are not significant. Circled numbers along branches indicate the percentage of trials in which a given partition between genes was found in 2CXM1 replications of the bootstrap resampling procedure (Felsenstein, 1985). Only partitions supported in >4(Fc of bootstrap replicates are indicated. Dashed lines indicate homeoboxes of the Hox class from Dmsopltila. These genes have differing anterior borders of expression along the anterior-poster
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
