Table 2

Characterisation of 7 Pomatoceros genes whose putative function is deduced by extrapolation from other lophotrochozoans.


Information from BLAST match


Inferred function


PRQFVamide precursor protein from Aplysia

The predicted --FV amide neuropeptide in annelids, signal peptide

Regulation of the feeding system



29-kDa galactose-binding lectin from Lumbricus

IPR000772, IPR008997 Ricin B lectin, cd00161, Ricin-type beta-trefoil, signal peptide

the axon targeting in the central nervous system


Cerebrin prohormone from Aplysia

The predicted first annelid Cerebrin, two dibasic cleavage sites, signal peptide

the feeding motor pattern

Contig 102


IPR002048 Calcium-binding EF-hand, IPR012619 Myoactive tetradecapeptides

Contractions of the gut muscles

Contig 196

FMRFamide precursor protein from Lymnaea

The neuropeptide Phe-Met-Arg-Phe-NH2 (FMRFamide) is a potent cardioactive neuropeptide in Lymnaea stagnalis

Cardioactive neuropeptide


(Contig 84)

Dopamine beta hydroxylase-like protein from Aplysia

A unique structure in lophotrochozoans, with combination of temptin at the N-terminal and two monooxygenase domains at the C-terminal

Pheromone and monoxygenase

Domain prediction and descriptions are from INTERPROSCAN. Inferred functions are from other studies (see text for details).

Takahashi et al. BMC Evolutionary Biology 2009 9:240   doi:10.1186/1471-2148-9-240

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