Fluorescence emission and absorption spectra of single Anabaena sp. strain PCC7120 cells

Ying, L., Huang, X. , Huang, B., Xie, J., Zhao, J. and Sheng Zhao, X. (2002) Fluorescence emission and absorption spectra of single Anabaena sp. strain PCC7120 cells. Photochemistry and Photobiology, 76(3), pp. 310-313. (doi: 10.1562/0031-8655(2002)0760310FEAASO2.0.CO2)

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Publisher's URL: http://dx.doi.org/10.1562/0031-8655(2002)0760310FEAASO2.0.CO2

Abstract

The fluorescence emission and absorption spectra of single Anabaena sp. strain PCC7120 cells including vegetative cells and heterocysts have been studied in intact filaments in vivo with confocal microscopy and grating spectrography. The diameters of the excitation and detection areas in the cells are less than 1.0 μm. Heterogeneities within the same cell and among different cells are observed. The evident spectral heterogeneities in heterocysts, not reported previously, are attributed to the different stages of the evolution of phycobilisomes in heterocysts. The photosystem II in heterocysts were found to be not metabolized completely.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Huang, Dr Xu
Authors: Ying, L., Huang, X., Huang, B., Xie, J., Zhao, J., and Sheng Zhao, X.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cancer Sciences
Journal Name:Photochemistry and Photobiology
Publisher:Wiley
ISSN:0031-8655
ISSN (Online):1751-1097

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