Molecular analysis of a novel FMRFamide-related peptide gene (SOFaRP2) and its expression pattern in the brain of the European cuttlefish Sepia officinalis

► We cloned a novel FMRFamide-related peptides (FaRPs) gene which encodes four FaRPs. ► All but TIFRFamide were found to induce chromatophore expansion in an in vitro assay. ► We found that SOFaRP2 gene is expressed in cuttlefish brain regions regulating chromatophore activities. FMRFamide-related p...

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Veröffentlicht in:Peptides (New York, N.Y. : 1980) N.Y. : 1980), 2012-03, Vol.34 (1), p.114-119
Hauptverfasser: Zhang, Zhuobin, Goodwin, Eli, Loi, Poh Kheng, Tublitz, Nathan J.
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Goodwin, Eli
Loi, Poh Kheng
Tublitz, Nathan J.
description ► We cloned a novel FMRFamide-related peptides (FaRPs) gene which encodes four FaRPs. ► All but TIFRFamide were found to induce chromatophore expansion in an in vitro assay. ► We found that SOFaRP2 gene is expressed in cuttlefish brain regions regulating chromatophore activities. FMRFamide-related peptides (FaRPs) are among several neurotransmitters known to regulate the chromatophore function in the European cuttlefish Sepia officinalis. Here we report the cloning and sequencing of a novel S. officinalis FaRP gene (SOFaRP2). The complete 835-base pair cDNA sequence of the SOFaRP2 gene contains an open reading frame of 567 base pairs encoding 188 amino acids and four putative FaRPs, NSLFRFamide, GNLFRFamide, TIFRFamide and PHTPFRFamide. All except TIFRFamide cause chromatophore expansion when assayed in an in vitro chromatophore bioassay. To investigate the expression pattern of SOFaRP2 gene in the cuttlefish brain, in situ hybridization was performed using a full length RNA probe. The SOFaRP2 gene was expressed primarily in the posterior chromatophore, anterior chromatophore, lateral basal and optic lobes among other brain locations. The SOFaRP2 gene appears to be expressed in all brain regions involved in chromatophore regulation. These data suggests that some or all of the four FaRPs encoded by SOFaRP2 might be involved in controlling chromatophore activity in cuttlefish.
doi_str_mv 10.1016/j.peptides.2011.07.011
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FMRFamide-related peptides (FaRPs) are among several neurotransmitters known to regulate the chromatophore function in the European cuttlefish Sepia officinalis. Here we report the cloning and sequencing of a novel S. officinalis FaRP gene (SOFaRP2). The complete 835-base pair cDNA sequence of the SOFaRP2 gene contains an open reading frame of 567 base pairs encoding 188 amino acids and four putative FaRPs, NSLFRFamide, GNLFRFamide, TIFRFamide and PHTPFRFamide. All except TIFRFamide cause chromatophore expansion when assayed in an in vitro chromatophore bioassay. To investigate the expression pattern of SOFaRP2 gene in the cuttlefish brain, in situ hybridization was performed using a full length RNA probe. The SOFaRP2 gene was expressed primarily in the posterior chromatophore, anterior chromatophore, lateral basal and optic lobes among other brain locations. The SOFaRP2 gene appears to be expressed in all brain regions involved in chromatophore regulation. 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FMRFamide-related peptides (FaRPs) are among several neurotransmitters known to regulate the chromatophore function in the European cuttlefish Sepia officinalis. Here we report the cloning and sequencing of a novel S. officinalis FaRP gene (SOFaRP2). The complete 835-base pair cDNA sequence of the SOFaRP2 gene contains an open reading frame of 567 base pairs encoding 188 amino acids and four putative FaRPs, NSLFRFamide, GNLFRFamide, TIFRFamide and PHTPFRFamide. All except TIFRFamide cause chromatophore expansion when assayed in an in vitro chromatophore bioassay. To investigate the expression pattern of SOFaRP2 gene in the cuttlefish brain, in situ hybridization was performed using a full length RNA probe. The SOFaRP2 gene was expressed primarily in the posterior chromatophore, anterior chromatophore, lateral basal and optic lobes among other brain locations. The SOFaRP2 gene appears to be expressed in all brain regions involved in chromatophore regulation. 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FMRFamide-related peptides (FaRPs) are among several neurotransmitters known to regulate the chromatophore function in the European cuttlefish Sepia officinalis. Here we report the cloning and sequencing of a novel S. officinalis FaRP gene (SOFaRP2). The complete 835-base pair cDNA sequence of the SOFaRP2 gene contains an open reading frame of 567 base pairs encoding 188 amino acids and four putative FaRPs, NSLFRFamide, GNLFRFamide, TIFRFamide and PHTPFRFamide. All except TIFRFamide cause chromatophore expansion when assayed in an in vitro chromatophore bioassay. To investigate the expression pattern of SOFaRP2 gene in the cuttlefish brain, in situ hybridization was performed using a full length RNA probe. The SOFaRP2 gene was expressed primarily in the posterior chromatophore, anterior chromatophore, lateral basal and optic lobes among other brain locations. The SOFaRP2 gene appears to be expressed in all brain regions involved in chromatophore regulation. These data suggests that some or all of the four FaRPs encoded by SOFaRP2 might be involved in controlling chromatophore activity in cuttlefish.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>21802466</pmid><doi>10.1016/j.peptides.2011.07.011</doi><tpages>6</tpages></addata></record>
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Amino Acid Sequence
Amino acids
Animals
Base Sequence
bioassays
Brain
Brain - metabolism
Cephalopods
Chromatophore
Cloning
complementary DNA
Control
Cuttlefish
DNA, Complementary
FMRFamide - chemistry
FMRFamide-related peptides
gene expression
Genes
In Situ Hybridization
Molecular Sequence Data
Neuropeptide
Neuropeptides - chemistry
Neuropeptides - genetics
Neuropeptides - metabolism
Neurotransmitters
open reading frames
Peptides
RNA
Sepia - genetics
Sepia - metabolism
Sepia officinalis
Sequence Alignment
Sequencing
title Molecular analysis of a novel FMRFamide-related peptide gene (SOFaRP2) and its expression pattern in the brain of the European cuttlefish Sepia officinalis
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