Abstract
ABSTRACTThe previous report shows the minimal promoter (P1) contributes to the Xist RNA activation in cells, while the role of the Xist P1 has not yet been investigated in animal individuals. Here, female Xist P1 knockout rabbits (Xist P1−/-) were generated for the studies. The results showed that there is no significant difference in transmission ratio, Xist and X-linked genes expression, and Xist RNA localization between the female wild type (WT) and Xist P1−/- rabbits, suggesting that P1 is non-essential for Xist expression and XCI in rabbits. Our study has explored the function of Xist P1 in animal level for the first time, and the results provide new ideas for future studies of XCI mechanisms.
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