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Fig. 5 | BMC Genomics

Fig. 5

From: Transcriptome analysis provides genome annotation and expression profiles in the central nervous system of Lymnaea stagnalis at different ages

Fig. 5

Differential expression of previously cloned synaptic receptor genes in L. stagnalis. A TPM expression of different L. stagnalis acetylcholine receptor subunits (LnAChR). Consistent with previous literature, the most highly expressed subunit in adult CNS transcriptome is the subunit H. Old snail CNS transcriptome has a similar pattern of LnAChR expression as adult snails. In young snails, though, the most highly expressed subunit is G. These data suggest that acetylcholine receptor subunits are specifically expressed at different life stages. B Genes involved in synaptic transmission (NMDAR, N-Methyl-D-aspartic acid receptor; 5-HT receptor, and serotonin receptor) are significantly downregulated in young snails CNS compared to adult and old. The different patterns of expression for neurotransmitter receptors in young versus adult and old snails suggest that CNS synaptic development requires specific patterning to establish functional synapses throughout the span of L. stagnalis life. * p < 0.05

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