title: The flp-1 propeptide is processed into multiple, highly similar FMRFamide-like peptides in Caenorhabditis elegans.
abstract: Previously, we described a gene, flp-1, that encodes seven FMRFamide-like peptides from two alternatively spliced transcripts in the nematode Caenorhabditis elegans. To determine whether all or a subset of the predicted peptides coded for by flp-1 are produced in vivo, we undertook the isolation of FMRFamide-like peptides from C. elegans. Six FLRFamide-containing peptides, all contained within the putative translation products of the flp-1 gene, were isolated from extracts of mixed stage animals. By quantitative PCR analysis of RNA from mixed stage animals, we found that the shorter transcript of flp-1 has a higher level of expression than the longer transcript.
authors: Department of Biology, Boston University, MA 02215.
authors: M L
authors: ML
authors: Rosoff
authors: K E
authors: KE
authors: Doble
authors: D A
authors: DA
authors: Price
authors: C
authors: C
authors: Li
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D017173:Caenorhabditis elegans / Q000235:genetics / Q000378:metabolism*; D004247:DNA / Q000235:genetics; D019835:FMRFamide; D008969:Molecular Sequence Data; D009479:Neuropeptides / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism*; D009842:Oligopeptides / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism*; D014176:Protein Biosynthesis; D011498:Protein Precursors / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism*; D011499:Protein Processing, Post-Translational; D017386:Sequence Homology, Amino Acid
chemical_list: D009479:Neuropeptides; D009842:Oligopeptides; D011498:Protein Precursors; D019835:FMRFamide; D004247:DNA