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Citation: Ying Li-Zhen, Huang Xu, Huang Bo, Zhao Jin-Dong, Zhao Xin-Sheng. Spectra of Single Cyanobacterial Cells[J]. Acta Physico-Chimica Sinica, ;2002, 18(08): 673-675. doi: 10.3866/PKU.WHXB20020801 shu

Spectra of Single Cyanobacterial Cells

1.
State Key Laboratory of Molecular Dynamic and Stable Structures, Department of Chemical Biology, College of Chemistry and Molecular Engineering;College of Life Sciences, Peking University, Beijing　100871

Received Date: 4 April 2002
Available Online: 15 August 2002

With confocal microscopy and grating spectrograph, the absorption and fluorescence emission spectra of single Anabaena strain PCC 7120 cells have been studied in intact filaments in situ. The different spectra between vegetative cells and heterocysts are observed. The evident heterogeneities in heterocysts that have not been reported previously are attributed to the different stages of the evolution of phycobilisomes and photosystems in heterocysts.
- Cyanobacteria;Single cell;Heterocyst;Confocal microscopy;　Absorption spectra;Fluorescence emission spectra
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