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    STUDIA BIOLOGIA - Issue no. 2 / 2014  
         
  Article:   FORWARD ELECTRON TRANSPORT MEASURED IN SITU IN MICROBIAL MATS FROM A HOT SPRING IN N-W ROMANIA.

Authors:  CIPRIAN CHIȘ, IULIANA CHIȘ, OANA SICORA, DALTON CARMEL, AURICA GREC, AUREL ARDELEAN, NICOLAE DRAGOŞ, COSMIN IONEL SICORA.
 
       
         
  Abstract:  VIEW PDF: FORWARD ELECTRON TRANSPORT MEASURED IN SITU IN MICROBIAL MATS FROM A HOT SPRING IN N-W ROMANIA

Cyanobacteria, green algae and higher plants have highly conserved photosynthetic machinery. Cyanobacteria have a great plasticity and can be found in different environments, from Arctic zones to hot springs; they can be part of microbial mats. The hot spring near Ciocaia, in Bihor County has a range of different temperatures, from 65.5°C at the spring well, 60.5°C at 2 meters away from the spring well and between 32-38°C in the area where microbial mats are formed. In this study we showed changes in PSII function in mats grown at the location of the hot spring, comparative with microbial mats grown in laboratory conditions. We also showed a comparative study of some basic parameters of chlorophyll fluorescence. These results are very important to understand the functionality of photosystem II in the larger context of adaptation to environmental cues. 

Keywords: chlorophyll, cyanobacteria, fluorescence, hot spring
 
         
     
         
         
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