Molecular identification of the first SIFamide receptor.

Lars M Jørgensen; Frank Hauser; Giuseppe Cazzamali; Michael Williamson; Cornelis J P Grimmelikhuijzen

doi:10.1016/j.bbrc.2005.12.062

Molecular identification of the first SIFamide receptor.

Lars M Jørgensen, Frank Hauser, Giuseppe Cazzamali, Michael Williamson, Cornelis J P Grimmelikhuijzen

41 Citations (Scopus)

Abstract

SIFamide is the short name and also the C terminus of the Drosophila neuropeptide AYRKPPFNGSIFamide. SIFamide has been isolated or predicted from various insects and crustaceans, and appears to be extremely well conserved among these arthropods. However, the function of this neuropeptide is still enigmatic. Here, we have identified the Drosophila gene (CG10823) coding for the SIFamide receptor. When expressed in Chinese hamster ovary cells, the receptor is only activated by Drosophila SIFamide (EC(50), 2x10(-8)M) and not by a library of 32 other insect neuropeptides and eight biogenic amines. Database searches revealed SIFamide receptor orthologues in the genomes from the malaria mosquito Anopheles gambiae, the silkworm Bombyx mori, the red flour beetle Tribolium castaneum, and the honey bee Apis mellifera. An alignment of the five insect SIFamide or SIFamide-like receptors showed, again, an impressive sequence conservation (67-77% amino acid sequence identities between the seven-transmembrane areas; 82-87% sequence similarities). The identification of well-conserved SIFamide receptor orthologues in all other insects with a sequenced genome, suggests that the SIFamide/receptor couple must have an essential function in arthropods. This paper is the first report on the identification of a SIFamide receptor.

Original language	English
Journal	Biochemical and Biophysical Research Communications
Volume	340
Issue number	2
Pages (from-to)	696-701
Number of pages	5
ISSN	0006-291X
DOIs	https://doi.org/10.1016/j.bbrc.2005.12.062
Publication status	Published - 2006

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title = "Molecular identification of the first SIFamide receptor.",

abstract = "SIFamide is the short name and also the C terminus of the Drosophila neuropeptide AYRKPPFNGSIFamide. SIFamide has been isolated or predicted from various insects and crustaceans, and appears to be extremely well conserved among these arthropods. However, the function of this neuropeptide is still enigmatic. Here, we have identified the Drosophila gene (CG10823) coding for the SIFamide receptor. When expressed in Chinese hamster ovary cells, the receptor is only activated by Drosophila SIFamide (EC(50), 2x10(-8)M) and not by a library of 32 other insect neuropeptides and eight biogenic amines. Database searches revealed SIFamide receptor orthologues in the genomes from the malaria mosquito Anopheles gambiae, the silkworm Bombyx mori, the red flour beetle Tribolium castaneum, and the honey bee Apis mellifera. An alignment of the five insect SIFamide or SIFamide-like receptors showed, again, an impressive sequence conservation (67-77% amino acid sequence identities between the seven-transmembrane areas; 82-87% sequence similarities). The identification of well-conserved SIFamide receptor orthologues in all other insects with a sequenced genome, suggests that the SIFamide/receptor couple must have an essential function in arthropods. This paper is the first report on the identification of a SIFamide receptor.",

author = "J{\o}rgensen, {Lars M} and Frank Hauser and Giuseppe Cazzamali and Michael Williamson and Grimmelikhuijzen, {Cornelis J P}",

note = "Keywords: Amino Acid Sequence; Animals; Base Sequence; CHO Cells; Cricetinae; Cricetulus; DNA, Complementary; Drosophila Proteins; Drosophila melanogaster; Molecular Sequence Data; Neuropeptides; Receptors, G-Protein-Coupled; Receptors, Neuropeptide",

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AU - Williamson, Michael

AU - Grimmelikhuijzen, Cornelis J P

N1 - Keywords: Amino Acid Sequence; Animals; Base Sequence; CHO Cells; Cricetinae; Cricetulus; DNA, Complementary; Drosophila Proteins; Drosophila melanogaster; Molecular Sequence Data; Neuropeptides; Receptors, G-Protein-Coupled; Receptors, Neuropeptide

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N2 - SIFamide is the short name and also the C terminus of the Drosophila neuropeptide AYRKPPFNGSIFamide. SIFamide has been isolated or predicted from various insects and crustaceans, and appears to be extremely well conserved among these arthropods. However, the function of this neuropeptide is still enigmatic. Here, we have identified the Drosophila gene (CG10823) coding for the SIFamide receptor. When expressed in Chinese hamster ovary cells, the receptor is only activated by Drosophila SIFamide (EC(50), 2x10(-8)M) and not by a library of 32 other insect neuropeptides and eight biogenic amines. Database searches revealed SIFamide receptor orthologues in the genomes from the malaria mosquito Anopheles gambiae, the silkworm Bombyx mori, the red flour beetle Tribolium castaneum, and the honey bee Apis mellifera. An alignment of the five insect SIFamide or SIFamide-like receptors showed, again, an impressive sequence conservation (67-77% amino acid sequence identities between the seven-transmembrane areas; 82-87% sequence similarities). The identification of well-conserved SIFamide receptor orthologues in all other insects with a sequenced genome, suggests that the SIFamide/receptor couple must have an essential function in arthropods. This paper is the first report on the identification of a SIFamide receptor.

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Molecular identification of the first SIFamide receptor.

Abstract

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