Chlorophyll a Fluorescence Yield as a Monitor of Both Active CO2 and HCO3− Transport by the Cyanobacterium Synechococcus UTEX 625 1
AUTOR(ES)
Miller, Anthony G.
RESUMO
Simultaneous measurements have been made of inorganic carbon accumulation (by mass spectrometry) and chlorophyll a fluorescence yield of the cyanobacterium Synechococcus UTEX 625. The accumulation of inorganic carbon by the cells was accompanied by a substantial quenching of chlorophyll a fluorescence. The quenching occurred even when CO2 fixation was inhibited by iodoacetamide and whether the accumulation of inorganic carbon resulted from either active CO2 or HCO3− transport. Measurement of chlorophyll a fluorescence yield of cyanobacteria may prove to be a rapid and convenient means of screening for mutants of inorganic carbon accumulation.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1054547Documentos Relacionados
- Simultaneous Transport of CO2 and HCO3− by the Cyanobacterium Synechococcus UTEX 625 1
- Active Transport of CO2 by the Cyanobacterium Synechococcus UTEX 625 1: Measurement by Mass Spectrometry
- Energy Sources for HCO3− and CO2 Transport in Air-Grown Cells of Synechococcus UTEX 6251
- Quenching of Chlorophyll a Fluorescence in Response to Na+-Dependent HCO3- Transport-Mediated Accumulation of Inorganic Carbon in the Cyanobacterium Synechococcus UTEX 625.
- Ethoxyzolamide Differentially Inhibits CO2 Uptake and Na+-Independent and Na+-Dependent HCO3- Uptake in the Cyanobacterium Synechococcus sp. UTEX 625.
