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The Bacillus subtilis spore is composed of a core, containing chromosomal DNA, surrounded by a cortex layer made of peptidoglycan, and a coat composed of concentric proteinaceous layers. A polysaccharide layer is added to the spore surface, and likely anchored to the crust, the coat outermost layer. However, the identity of the coat protein(s) to which the spore polysaccharides (SPS) are attached...
A simple device was developed to collect germinating cells from settled cysts of microalgae on the sea bottom. This new device – the plankton emergence trap chamber (PET Chamber) – made of a clear acrylic plastic, consists of a top cylinder and a base plate attached to a bottom cylinder. After plugging the bottom cylinder with sediment collected from in situ sea bottom and filling the top cylinder...
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