... l1 918 5; barley: BAS1, Z34 917 , PER1, X965 51; Arabidopsis: BAS1, X97 910 , TPx2, AF1 213 56,MHF15 .19 , AF3268 71, Per1, O04005; Chlamydomonas Ch-Prx1, AJ304857; spinach B AS1, ´ 94 219 ; mouse TPx, u20 611 ; ... using an intensifying s creen, at )80 °C.RNA for Northern analyses was isolated as describedabove and separated in a 1. 3% agarose/formaldehyde gel. The RNA was b lotted to a nylon membrane (ZetaProbe,Bio-Rad) ... Afterwashing [17 ], the membrane was exposed t o X-ray ®lm withan intensifying screen at )80 °Cfor 2days.Antioxidant activity of the Ch-Prx1 protein The antioxidant activity of the Ch-Prx1 protein...