Small-conductance calcium-activated potassium channels in the heart: expression, regulation and pathological implications.

Ca-activated K channels are critical to cellular Ca homeostasis and excitability; they couple intracellular Ca and membrane voltage change. Of these, the small, 4-14 pS, conductance SK channels include three, encoded, SK1/KCa2.1, SK2/KCa2.

The essential role of jasmonate signaling in rootstock-mediated cold tolerance in tomato grafts.

Tomato () is among the most important vegetables across the world, but cold stress usually affects its yield and quality. The wild tomato species is commonly utilized as rootstock for enhancing resistance against abiotic stresses in cultivated tomato, especially cold resistance. However, the underlying molecular mechanism remains unclear.

Effects of carboxymethyl chitosan on the growth and nutrient uptake in seedlings.

To determine the effects of carboxymethyl chitosan on plant growth and nutrient uptake, seedlings were treated with various concentrations of carboxymethyl chitosan. The biomass, physiological characteristics, and nutrient uptake of the treated seedlings were then examined. Compared with the control seedlings, the carboxymethyl chitosan-treated seedlings had a higher biomass and a greater abundance of photosynthetic pigments (i.