Fig. 4.
Opsin expression varies between life stages and symbiotic state in Aiptasia. (A) Bar chart comparing the expression (TMM normalized reads) of Aiptasia opsins in adults and larvae. ASO-I.2, ASO-II.2, ASO-II.3, ASO-II.5, and ASO-II.12 are significantly upregulated in larva. ASO-II.8, ASO-II.9, and ASO-II.11 are significantly upregulated in adults. (B) Bar chart comparing the expression (TMM normalized reads) of Aiptasia opsins in symbiotic and aposymbiotic adults. ASO-II.12, ASO-II.7, and ASO-II.11 are significantly upregulated in symbiotic adults. (C) Tissue-specific qPCR after Methacarn fixation of adult Aiptasia polyps reveals that ASO-II.3 is significantly upregulated in mesenteries, when compared with tentacle tissue. Data for all other opsins are shown in supplementary figure 3, Supplementary Material online. For all charts significant differences are *P ≤ 0.05, **P ≤ 0.01, and ***P ≤ 0.001; and error bars are SEM.