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Effects of High K^+ and Alkaline pH on Ultrastructure of Dunaliella salina Chloroplasts被引量：7: 1999年; ItwasreportedthatthegrowthofDunaliellasalinaTeod .culturedinmediumcontaining 1mol/L NaClwasalmostcompletelyinhibitedbytheadditionof 10 0mmol/LKCl.ThehighK+ (10 0mmol/LKCl) treatmentalsosignificantlyinhibitedthephotosyntheticrateofD .salinaanddecreasedchlorophyllcontentsin algae .ThisstudyfocusesonpossibleeffectsofhighK+ oralkalinepHontheultrastructuralchangeofchloro plastsinD .salina .AfterD .salinawasculturedinamediumcontaining 10 0mmol/LKClorinamedium withalkalinepHfor 8to 10days ,dramaticultrastructuralchangesoccurredinthechloroplastsincludingthy lakoidswelling ,volumeincreaseofchloroplast,andsignificantaccumulationofstarchgrainsinchloroplasts . Theresultsareconsistentwithourpreviousreportindicatingthattheultrastructuralchangesinchloroplastun derhighK+ oralkalinepHmayleadtoaninhibitoryeffectsonphotosynthesisandoverallgrowthofD .sali na .; 马淑英黄阳成杨小贺武维华; 关键词：POTASSIUM CHLOROPLAST

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黄阳成