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ROV Jason holding IGT sampler during hydrothermal vent sampling.

ROV Jason holding IGT sampler during hydrothermal vent sampling.
ROV Jason holding IGT sampler during hydrothermal vent sampling.
ROV Jason holding IGT sampler during hydrothermal vent sampling.
ROV Jason holding IGT sampler during hydrothermal vent sampling.
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ROV Jason
ROV Jason holding IGT sampler during hydrothermal vent sampling.
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01/12/2016
RGB.20140105_142759_966.jpg
Caption from WHOI News Release dated 06/11/2018:
The manipulator arm on the remotely operated, deep-sea vehicle Jason uses an Isobaric Gas-Tight (IGT) sampler to collect samples of fluids and microbes spewing from hydrothermal vents surrounded by a community of tubeworms at a site called "Crab Spa" on the East Pacific Rise. IGTs are designed to maintain the microbes at the pressure of their natural environment. Scientists added various chemicals into the IGTs to measure how fast microbes consumed chemicals and converted them into biomass.
Image Of the Day caption:
The manipulator arm of the remotely operated vehicle Jason positions an Isobaric Gas-Tight sampler (IGT) to collect bacteria-rich fluids flowing from a hydrothermal vent site in the Pacific Ocean. IGT samplers, invented by WHOI scientists and engineers, maintain samples at the pressure of the deep sea when they are brought to the surface. Vents have thriving communities of tubeworms, clams, and bacteria, such as Epsilonproteobacteria, the target of graduate student Jesse McNichol's research. The bacteria flourish with little or no oxygen and offer clues to how early organisms first carved out an existence on Earth.
Caption from Oceanus magazine, Vol. 51, No. 2, pg. 79:
The manipulator arm of the remotely operated vehicle Jason positions an Isobaric Gas-Tight sampler to collect samples near a hydrothermal vent site on the bottom of the Pacific Ocean. The vents have a thriving community of tubeworms, clams, and microbes such as Epsilonproteobacteria, the target of graduate student Jesse McNichol's research.
Photo courtesy of Stefan Sievert, WHOI/NSF/ROVJason, 2016
© Woods Hole Oceanographic Institution
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