These events could be from the past or in the future. For example, a student may ruminate on fears about an upcoming exam, or someone may ruminate on a social interaction that embarrassed them.

The endosperm is a vital storage tissue in plant seeds. It provides nutrients to the embryos or the seedlings during seed development and germination. Although the genetic information in the endosperm ...

Here, we show that the imprinted Arabidopsis thaliana MADS-box TF PHERES1 (PHE1) is a master regulator of paternally expressed imprinted genes, as well as of non-imprinted key regulators of endosperm ...