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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title = "Photoacoustic spectroscopy of Anacystis nidulans. II. Characterization of pigment holochroms and thermal deactivation spectrum",

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.",

author = "Robert Carpentier and Bernard Larue and Leblanc, {Roger M.}",

note = "Funding Information: We thank Claire Rousseau for her technical assistance and Alain Tessier for his critical reading of the manuscript. R.C. was supported by a postgraduate scholarship from the Natural Sciences and Engineering Research Council of Canada (NSERC). The authors are grateful for financial support from the NSERC and the “Minis&e de 1{\textquoteright}Education du Quebec.”",

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AU - Carpentier, Robert

AU - Larue, Bernard

AU - Leblanc, Roger M.

N1 - Funding Information: We thank Claire Rousseau for her technical assistance and Alain Tessier for his critical reading of the manuscript. R.C. was supported by a postgraduate scholarship from the Natural Sciences and Engineering Research Council of Canada (NSERC). The authors are grateful for financial support from the NSERC and the “Minis&e de 1’Education du Quebec.”

PY - 1983/4/15

Y1 - 1983/4/15

N2 - 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.

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

Abstract

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