Photoacoustic spectroscopy of Anacystis nidulans. II. Characterization of pigment holochroms and thermal deactivation spectrum

Robert Carpentier; Bernard Larue; Roger M. Leblanc

doi:10.1016/0003-9861(83)90538-6

Photoacoustic spectroscopy of Anacystis nidulans. II. Characterization of pigment holochroms and thermal deactivation spectrum

Robert Carpentier, Bernard Larue, Roger M. Leblanc

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The photoacoustic spectrum of Anacystis nidulans recorded at room temperature is qualitatively similar to low-temperature absorption or fluorescence excitation spectra. The bands of pigment holochroms are well resolved compared to room-temperature absorption spectra. The thermal deactivation spectrum obtained by extrapolating acoustic data for an infinitely thin sample indicates that the photosynthetic efficiency decreases from phycocyanin to chlorophyll a and carotenoids.

Original language	English (US)
Pages (from-to)	411-415
Number of pages	5
Journal	Archives of Biochemistry and Biophysics
Volume	222
Issue number	2
DOIs	https://doi.org/10.1016/0003-9861(83)90538-6
State	Published - Apr 15 1983
Externally published	Yes

ASJC Scopus subject areas

Biophysics
Biochemistry
Molecular Biology

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abstract = "The photoacoustic spectrum of Anacystis nidulans recorded at room temperature is qualitatively similar to low-temperature absorption or fluorescence excitation spectra. The bands of pigment holochroms are well resolved compared to room-temperature absorption spectra. The thermal deactivation spectrum obtained by extrapolating acoustic data for an infinitely thin sample indicates that the photosynthetic efficiency decreases from phycocyanin to chlorophyll a and carotenoids.",

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AB - The photoacoustic spectrum of Anacystis nidulans recorded at room temperature is qualitatively similar to low-temperature absorption or fluorescence excitation spectra. The bands of pigment holochroms are well resolved compared to room-temperature absorption spectra. The thermal deactivation spectrum obtained by extrapolating acoustic data for an infinitely thin sample indicates that the photosynthetic efficiency decreases from phycocyanin to chlorophyll a and carotenoids.

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