A Red-Shifted Chlorophyll

Author:

Chen Min1,Schliep Martin1,Willows Robert D.2,Cai Zheng-Li3,Neilan Brett A.4,Scheer Hugo15

Affiliation:

1. School of Biological Sciences, University of Sydney, NSW 2006, Australia.

2. Department of Chemistry and Biomolecular Sciences, Macquarie University, NSW 2109, Australia.

3. School of Chemistry, University of Sydney, NSW 2006, Australia.

4. School of Biotechnology and Biomolecular Science, University of New South Wales, NSW 2052, Australia.

5. Department of Biology I, University of Munich, D-80638 Muenchen, Germany.

Abstract

Chlorophyll Sees Red Among the first facts students learn about the natural world is that plants owe their green color to the pigment chlorophyll. There have actually been a handful of slightly different chlorophyll variants uncovered over the years, and Chen et al. (p. 1318 , published online 19 August) have found another in bacteria from Shark Bay, Australia. The chlorophyll variant displayed a red-shifted absorption spectrum, which extended into the near-infrared region due to the insertion of a formyl group on the molecule's periphery. The precise cellular function of the pigment awaits further study.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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