UW News

marine microbiology


August 25, 2017

As Tolstoy noted (sort of), all unhappy microbiomes are unhappy in their own way

tie-dye-microbes

The bacterial communities that live inside each of our guts are relatively similar when times are good, but when stress enters the equation, those communities can react very differently from person to person.


January 18, 2017

Vitamin B-12, and a knockoff version, create complex market for marine vitamins

instrument over ocean

Vitamin B-12 exists in two different, incompatible forms in the oceans. An organism thought to supply the essential vitamin B-12 in the marine environment is actually churning out a knockoff version.


June 15, 2015

Genetic switch lets marine diatoms do less work at higher CO2

green cylinder on black background

Oceanographers found the genetic ‘needles in a haystack’ to gain the first hints at how diatoms — tiny drifting algae that carry out a large part of Earth’s photosynthesis — detect and respond to increasing carbon dioxide from burning of fossil fuels.


May 27, 2015

Invisible helpers of the sea: Marine bacteria boost growth of tiny ocean algae

mosaic made out of different shaped diatoms

Using seawater collected in Seattle, Whidbey Island and other sites, UW oceanographers show that just as with plants on land, a common species of ocean diatom grows faster in the presence of helpful bacteria.


February 24, 2014

Vitamin water: Measuring essential nutrients in the ocean

researchers on boat

Oceanographers have found that archaea, a type of marine microbe, can produce B-12 vitamins in the ocean.