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A rendering of Lactobacillus, a type of beneficial bacteria found in the human intestine microbiome. (Credit: nopparit/iStock) photoelectrical cell In order to capture the distinct structural changes, the authors artificially slowed down the reaction, which would normally occur within milliseconds. The polymerase uses a push-pull process to allow the new genetic letter (highlighted in blue) to be installed onto the end of the primer strand while concurrently moving to the next position. Portrait of Aindrila Mukhopadhyay, a smiling person with long black and straight hair, pulled back on top and falling over shoulders. Photographed in front of dark backdrop. Photosystem II Mn-Ca reaction center Collage capturing a diverse set of bacteria and functions that can be better understood using DAP-seq. (Eduardo de Ugarte, Berkeley Lab) This data image shows the monthly average sea surface temperature for May 2015. Between 2013 and 2016, a large mass of unusually warm ocean water–nicknamed the blob–dominated the North Pacific, indicated here by red, pink, and yellow colors signifying temperatures as much as three degrees Celsius (five degrees Fahrenheit) higher than average. Data are from the NASA Multi-scale Ultra-high Resolution Sea Surface Temperature (MUR SST) Analysis product. (Courtesy NASA Physical Oceanography Distributed Active Archive Center) Boeuf and colleagues collected samples of SAR324 microbial communities from this research vessel, the Kilo Moana. (School of Ocean And Earth Science And Technology at University of Hawaii at Manoa)

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