Genome Biology
Volume 7
Issue 12 |
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MinireviewPhotosynthesis: what color was its origin?Jin Xiong  Department of Biology, Texas A&M University, College Station, TX 77843, USA  author email corresponding author email
Genome Biology 2006,
7:245doi:10.1186/gb-2006-7-12-245
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| Published: |
3 January 2007 |
Subject areas: Evolution, Microbiology and parasitology, Biochemistry and structural biology, Plant biology Abstract
Recent studies using geological and molecular phylogenetic evidence suggest several alternative evolutionary scenarios for the origin of photosynthesis. The earliest photosynthetic group is variously thought to be heliobacteria, proteobacteria or a precursor of cyanobacteria, organisms whose photosynthetic pigments make them different colors. | 
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