The gap gene giant of Rhodnius prolixus is maternally expressed and required for proper head and abdomen formation.

@article{Lavore2012TheGG,
  title={The gap gene giant of Rhodnius prolixus is maternally expressed and required for proper head and abdomen formation.},
  author={Andr{\'e}s Lavore and Luc{\'i}a Pagola and Natalia Esponda-Behrens and Rolando V. Rivera-Pomar},
  journal={Developmental biology},
  year={2012},
  volume={361 1},
  pages={147-55}
}
The segmentation process in insects depends on a hierarchical cascade of gene activity. The first effectors downstream of the maternal activation are the gap genes, which divide the embryo in broad fields. We discovered a sequence corresponding to the leucine-zipper domain of the orthologue of the gene giant (Rp-gt) in traces from the genome of Rhodnius prolixus, a hemipteran with intermediate germ-band development. We cloned the Rp-gt gene from a normalized cDNA library and characterized its… CONTINUE READING
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