Abstract
In this study we investigated expression of the SM30(A–F) gene family encoding Strongylocentrotus intermedius spicule matrix proteins during the normal and regenerative pluteus II stage (three pairs of arms). We found that SiSM30A and SiSM30B genes are expressed at high levels in the normal pluteus II sea urchin. SiSM30A is expression was also significantly upregulated in the reparative pluteus II stage 3 hours after damage. Conversely, SiSM30B was downregulated during the reparative pluteus II stage. Our findings reveal a substantial similarity between the activity of SiSM30A and SiSM30B activity in the processes of regenerative growth during the pluteus II stage and during normal development at the prism stage in Strongylocentrotus purpuratus. On the basis of our findings, we propose that normal developmental mechanisms corresponding to the preceding developmental stage are reactivated during pluteus regeneration.
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Original Russian Text © V.V. Sharmankina, K.V. Kiselev, 2016, published in Genetika, 2016, Vol. 52, No. 3, pp. 339–345.
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Sharmankina, V.V., Kiselev, K.V. Expression of SM30(A–F) genes encoding spicule matrix proteins in intact and damaged sea urchin Strongylocentrotus intermedius at the six-armed pluteus. Russ J Genet 52, 298–303 (2016). https://doi.org/10.1134/S1022795416020125
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DOI: https://doi.org/10.1134/S1022795416020125