Table 1. Ratios of neuropeptide abundances in the brain tissues collected from fed crabs versus unfed crabs (N=5).
Family | m/z | sequence | 1 | 2 | 3 | 4 | 5 | Raverage | SDaverage | p value |
---|---|---|---|---|---|---|---|---|---|---|
RFamide | 965.54 | NRNFLRFamide | 1.35 | 1.12 | 1.14 | 1.49 | 1.65 | 1.35 | 0.22 | <0.001 |
1022.57 | GNRNFLRFamide | 1.21 | 1.16 | 1.10 | 1.50 | 1.82 | 1.36 | 0.30 | 0.002 | |
1104.61 | GAHKNYLRFamide | 1.80 | 1.14 | 1.30 | 1.96 | 2.58 | 1.76 | 0.57 | <0.001 | |
1105.63 | SMPSLRLRFamide | 1.18 | 1.32 | 0.91 | 1.44 | 1.33 | 1.23 | 0.20 | 0.009 | |
1147.65 | APQRNFLRFamide | 1.25 | 1.07 | 1.04 | 1.48 | 1.84 | 1.34 | 0.33 | 0.007 | |
1172.63 | AYNRSFLRFamide | 1.59 | 1.53 | 1.3 | 1.61 | 1.46 | 1.5 | 0.12 | <0.001 | |
1181.62 | SENRNFLRFamide | 0.88 | 1.06 | 0.99 | 1.46 | 1.87 | 1.257 | 0.40 | 0.102 | |
1288.68 | QDLDHVFLRFamide | 0.75 | 0.67 | 0.87 | 1.01 | 1.05 | 0.87 | 0.16 | 0.033 | |
1342.81 | DVRTPALRLRFamide | 1.11 | 1.03 | 0.65 | 1.40 | 1.13 | 1.07 | 0.27 | 0.756 | |
Orcokinin | 1198.55 | NFDEIDRSGFamide | 1.73 | 0.84 | 1.12 | 1.56 | 1.6 | 1.37 | 0.37 | 0.022 |
1270.57 | NFDEIDRSGFA | 0.79 | 1.94 | 0.92 | 2.57 | 1.19 | 1.48 | 0.75 | 0.118 | |
1474.63 | NFDEIDRSGFGFA | 1.19 | 0.84 | 1.04 | 1.06 | 1.14 | 1.05 | 0.13 | 0.304 | |
1502.70 | NFDEIDRSGFGFV | 1.19 | 0.88 | 1.17 | 1.02 | 1.13 | 1.08 | 0.12 | 0.124 | |
1532.70 | NFDEIDRSSFGFV | 1.25 | 0.71 | 1.42 | 0.92 | 1.03 | 1.07 | 0.27 | 0.702 | |
1547.68 | NFDEIDRSSFGFN | 1.15 | 0.56 | 1.02 | 0.97 | 1.14 | 0.97 | 0.24 | 0.542 | |
1554.70 | NFDEIDRTGFGFH | 1.87 | 0.94 | 0.87 | 1.95 | 2.13 | 1.55 | 0.59 | 0.028 | |
RYamide | 784.41 | FVGGSRYamide | 1.87 | 1.05 | 1.30 | 1.80 | n.a | 1.50 | 0.39 | 0.009 |
976.46 | SGFYANRYamide | 1.34 | 1.26 | 1.06 | 1.6 | 1.83 | 1.42 | 0.30 | 0.001 | |
CabTRPs | 934.49 | APSGFLGMRamide | 2.33 | 1.43 | 1.61 | 1.94 | 3.14 | 2.09 | 0.67 | <0.001 |
964.50 | TPSGFLGMRamide | n.a | 1.84 | 1.59 | 3.08 | 4.37 | 2.72 | 1.27 | <0.001 | |
Proctolin | 649.37 | RYLPT | 3.80 | 1.31 | 1.47 | n.a | n.a | 2.19 | 1.39 | 0.038 |
CCAP | 956.38 | PFcNAFTGcamide | 1.00 | 1.44 | 1.26 | 1.08 | n.a | 1.19 | 0.19 | 0.037 |
YRamide | 844.48 | HIGSLYRamide | 8.29 | 1.07 | 2.82 | 1.61 | 3.21 | 3.4 | 2.86 | 0.002 |
Pyrokinin | 1037.55 | SGGFAFSPRLamide | 0.86 | 0.58 | 0.70 | 0.88 | n.a | 0.75 | 0.14 | <0.001 |
SIFamide | 1381.74 | GYRKPPFNGSIFamide | 1.06 | 1.09 | 0.93 | 1.58 | 1.39 | 1.20 | 0.26 | 0.038 |
Note: Peptides indicated in bold and italics exhibited significant changes in feeding.