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It’s Not Easy Not Being Green: Breakthroughs in Chlorophyll Breakdown

IN BRIEF by Jennifer Mach Plants can dispose of organs such as leaves and recycle the nutrients in these organs into new leaves, seeds, or storage organs. However, when separated from its photosystem proteins, chlorophyll can be phototoxic, absorbing light and producing high-energy…

Invisible No Longer: Peptidoglycan in Moss Chloroplasts

IN BRIEF by Nancy Hofmann Most bacteria have a peptidoglycan layer between the inner and outer membranes (reviewed in Typas et al., 2012). The cyanobacterial endosymbiont that gave rise to plastids would have contained such a peptidoglycan wall including d-amino acids. Indeed, peptidoglycan…