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… catalyzed by microbial communities. By pairing RNA or DNA sequencing with tracings of stable, heavy isotopes, SIP … organisms who all consume different compounds. Microbial species will vary in activity as well; at any given time, … who process the modified compound will have heavier DNA or RNA, and SIP techniques leverage this to untangle …

… the algae-associated microbiomes that influence algal diversity and gene expression. Sailing from pole to pole on … isolating the algal communities on filters, they sequenced DNA ‘marker’ gene sequences to identify the microbes. And in … organisms in these food webs, said Schmidt. Several whale species, including gray whales and humpbacks, migrate to …