Abstract Details
(2020) Novel Approaches Reveal Unexpected Biogeochemical Dynamics in Extreme Environments
Joye S, Montgomery A, Hunter K, Zhuang G-C & Lapham L
https://doi.org/10.46427/gold2020.1228
The author has not provided any additional details.
14e: Plenary Hall, Wednesday 24th June 00:30 - 00:33
Samantha Joye
View abstracts at 3 conferences in series
Andrew Montgomery
Kimberley Hunter
Guang-Chao Zhuang
Laura Lapham
Andrew Montgomery
Kimberley Hunter
Guang-Chao Zhuang
Laura Lapham
Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.
Submitted by Garnet Lollar on Friday 19th June 19:45
Thank you for the talk! You brought some fascinating insights to the carbon cycling ongoing at this system. Do you think the processes you discovered here might be found elsewhere as well? What would that mean for the global ocean carbon budget/reservoirs?
Thank you for this question Garnet. We have documented similar dynamics of acetate and alcohols - and methylated amines too - in temperate sediments and even in the water column in Guaymas Basin and elsewhere. Guaymas Basin is a great place to "see" such things and make discoveries because processes are accelerated along the strong geochemical and thermal gradients. There is much more to the story that I was able to squeeze into the talk so look out for more papers coming soon!
Thank you for the talk! You brought some fascinating insights to the carbon cycling ongoing at this system. Do you think the processes you discovered here might be found elsewhere as well? What would that mean for the global ocean carbon budget/reservoirs?
Thank you for this question Garnet. We have documented similar dynamics of acetate and alcohols - and methylated amines too - in temperate sediments and even in the water column in Guaymas Basin and elsewhere. Guaymas Basin is a great place to "see" such things and make discoveries because processes are accelerated along the strong geochemical and thermal gradients. There is much more to the story that I was able to squeeze into the talk so look out for more papers coming soon!
Submitted by Drew Syverson on Tuesday 23rd June 20:52
Great talk! What metals, as oxide minerals, have the most significance as an electron acceptor to stimulate the metabolic phasing for AOM? Out of curiosity, how does this have an effect on organisms which utilize microbial life symbiotically?
Great question Drew. Many symbionts are compartmentalized (e.g. - Riftia symbionts are housed in the trophosome) so it would be difficult for such symbionts to utilize solid phase electron acceptors. It certainly is not impossible (for mussels with symbionts on their gills it could be possible to come into contact with metal oxides) but it's not that likely.
Great talk! What metals, as oxide minerals, have the most significance as an electron acceptor to stimulate the metabolic phasing for AOM? Out of curiosity, how does this have an effect on organisms which utilize microbial life symbiotically?
Great question Drew. Many symbionts are compartmentalized (e.g. - Riftia symbionts are housed in the trophosome) so it would be difficult for such symbionts to utilize solid phase electron acceptors. It certainly is not impossible (for mussels with symbionts on their gills it could be possible to come into contact with metal oxides) but it's not that likely.
Submitted by Drew Syverson on Wednesday 24th June 03:31
Thanks for your response. I am curious about minerals precipitating within hydrothermal worms, for example, at the vent systems of the EPR. I have micro-CT scanned iodine-stained deep sea worms and what you can see is a very large concentration of metals along the "gut" of the organism. Do these metals exist as precipitates originated from hydrothermal solution or within the cellular structure?
Thanks for your response. I am curious about minerals precipitating within hydrothermal worms, for example, at the vent systems of the EPR. I have micro-CT scanned iodine-stained deep sea worms and what you can see is a very large concentration of metals along the "gut" of the organism. Do these metals exist as precipitates originated from hydrothermal solution or within the cellular structure?
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