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Hox transcription factors, a subfamily of homeobox genes, are expressed in distinct, often overlapping domains along the anterior-posterior body axis of animal embryos. Here, we report the sequence and expression pattern of Hox2, Hox3, Hox4, Hox5, Lox5, Hox7, Lox4, and Lox2 in different larval stages during the encapsulated development of the marine(More)
BACKGROUND Presence of all three ParaHox genes has been described in deuterostomes and lophotrochozoans, but to date one of these three genes, Xlox has not been reported from any ecdysozoan taxa and both Xlox and Gsx are absent in nematodes. There is evidence that the ParaHox genes were ancestrally a single chromosomal cluster. Colinear expression of the(More)
The genes otd/otx, six3, pax6 and engrailed are involved in eye patterning in many animals. Here, we describe the expression pattern of the homologs to otd/otx, six3, pax6 and engrailed in the developing Euperipatoides kanangrensis embryos. Special reference is given to the expression in the protocerebral/ocular region. E. kanangrensis otd is expressed in(More)
Transcription factors that determine retinal development seem to be conserved in different phyla throughout the animal kingdom. In most representatives, however, only a few of the involved transcription factors have been sampled and many animal groups remain understudied. In order to fill in the gaps for the chelicerate group of arthropods, we tested the(More)
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