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Gene Review

amon  -  amontillado

Drosophila melanogaster

Synonyms: Amon, CG6438, DMH#5, Dmel\CG6438, PC2, ...
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High impact information on amon

  • Although active mPC2 was detected in medium in the presence of either d7B2 or r7B2, dPC2 showed no proteolytic activity upon coexpression of either d7B2 or r7B2 [1].
  • For the PC2, Fur1, and PAL2 enzymes, and for the dDA1 receptor, this neuronal pattern represents the vast majority of their total expression in the VNC [2].
  • Previous genetic analysis of animals deficient in PC2 revealed an abnormal larval ecdysis phenotype [2].
  • Our data indicate that the amon proprotein convertase is required during embryogenesis and larval development in Drosophila and support the hypothesis that AMON acts to proteolytically process peptide hormones that regulate hatching, larval growth, and larval ecdysis [3].
  • DNA sequencing identified the amon complementation group and the DNA sequence change for each of the nine amon alleles isolated. amon mutants display partial embryonic lethality, are defective in larval growth, and arrest during the first to second instar larval molt [3].

Biological context of amon

  • We have identified amon mutants by isolating ethylmethanesulfonate (EMS)-induced lethal and visible mutations that define two complementation groups in the amon interval at 97D1 of the third chromosome [3].

Anatomical context of amon


Associations of amon with chemical compounds


Other interactions of amon

  • Genes encoding seven distinct members of this family have so far been characterized in vertebrates: furin, PC2, PC1/PC3, PC4, PACE4, PC5/PC6 and PC7/PC8/LPC [5].

Analytical, diagnostic and therapeutic context of amon


  1. Interaction of Drosophila melanogaster prohormone convertase 2 and 7B2. Insect cell-specific processing and secretion. Hwang, J.R., Siekhaus, D.E., Fuller, R.S., Taghert, P.H., Lindberg, I. J. Biol. Chem. (2000) [Pubmed]
  2. Ap-let neurons--a peptidergic circuit potentially controlling ecdysial behavior in Drosophila. Park, D., Han, M., Kim, Y.C., Han, K.A., Taghert, P.H. Dev. Biol. (2004) [Pubmed]
  3. amontillado, the Drosophila homolog of the prohormone processing protease PC2, is required during embryogenesis and early larval development. Rayburn, L.Y., Gooding, H.C., Choksi, S.P., Maloney, D., Kidd, A.R., Siekhaus, D.E., Bender, M. Genetics (2003) [Pubmed]
  4. A role for amontillado, the Drosophila homolog of the neuropeptide precursor processing protease PC2, in triggering hatching behavior. Siekhaus, D.E., Fuller, R.S. J. Neurosci. (1999) [Pubmed]
  5. Evolution of the prohormone convertases: identification of a homologue of PC6 in the protochordate amphioxus. Oliva, A.A., Chan, S.J., Steiner, D.F. Biochim. Biophys. Acta (2000) [Pubmed]
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