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Divide and Conquer: Introducing a Novel Player in Cell Plate Formation

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IN BRIEF by Kathleen L. Farquharson kfarquharson@aspb.org Polysaccharide-rich cell walls are a distinguishing feature of plants that influence many aspects of growth and development, including cell division. Whereas contractile rings pinch dividing cells into two daughter cells in other eukaryotes,…

Invisible No Longer: Peptidoglycan in Moss Chloroplasts

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IN BRIEF by Nancy Hofmann nhofmann@aspb.org 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…