X-Nico

2 unusual facts about Senescence


Seedling

While the plant is growing and developing additional leaves, the cotyledons eventually senesce and fall off.

Senescence-associated beta-galactosidase

Today this phenomenon is explained by the overexpression and accumulation of the endogenous lysosomal beta-galactosidase specifically in senescent cells.


Mir-598 microRNA precursor family

miR-598 has been shown to directly target and inhibit the Sir2 homolog, silent information regulator one (SRT1) enzyme, in the senescence of human adipose-tissue-derived mesenchymal stem cells.


see also