This is in fact a central tenet of the ability of Fur proteins to orchestrate a graded response to increasing degrees of cellular metal limitation, where differentially metal-ligated states differentially repress the expression of downstream genes as metal levels incrementally fall in the cell
Ye B, Gressel J (2000) Transient, oxidant-induced antioxidant transcript and enzyme levels correlate with greater oxidant-resistance in paraquat-resistant Conyza bonariensis
chinensis in a liquid medium system, and quantitatively analyzed the content of S
When cell turnover slows with age or when dead cells build up on the surface, the complexion can look dull, regardless of pigment levels
If injection site reactions persist, worsen, or show signs of infection such as increasing warmth, spreading redness, or pus formation, those warrant immediate medical attention