Most Archaea and Bacteria Are Nameless. SeqCode Could Change That

The Scientist spoke with microbiologist William Whitman about a new system of nomenclature for prokaryotic organisms that can’t be cultured.

Written byDan Robitzski
| 8 min read
Two agar plates next to each other. One is empty while the other is growing multiple different cultured organisms, colored white, beige, and green.

Let’s say you’ve discovered a new bacterium or archaea and want to give it a name so that it can be classified and placed on the appropriate branch of the tree of life. According to the International Committee on Systematics of Prokaryotes (ICSP), the community of scientists that decides how to handle the naming of bacteria and other prokaryotes, there are a few steps you need to take before you can designate it a name according to the International Code of Nomenclature for Prokaryotes (ICNP). Chief among those steps is successfully culturing your new organism and sending it to at least two separate collections, which must be located in different countries, for storage.

Unfortunately, that remains impossible for the vast majority of prokaryotic life on Earth. Most are what microbiologists call “fastidious organisms,” meaning that their nutritional or environmental requirements are complex or extremely particular, making it difficult, if not ...

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    Dan is an award-winning journalist based in Los Angeles who joined The Scientist as a reporter and editor in 2021. Ironically, Dan’s undergraduate degree and brief career in neuroscience inspired him to write about research rather than conduct it, culminating in him earning a master’s degree in science journalism from New York University in 2017. In 2018, an Undark feature Dan and colleagues began at NYU on a questionable drug approval decision at the FDA won first place in the student category of the Association of Health Care Journalists' Awards for Excellence in Health Care Journalism. Now, Dan writes and edits stories on all aspects of the life sciences for the online news desk, and he oversees the “The Literature” and “Modus Operandi” sections of the monthly TS Digest and quarterly print magazine. Read more of his work at danrobitzski.com.

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