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From tiny babies to giant tubeworms – thiotrophic symbiosis at deep-sea hydrothermal vents

Published on Jun 17, 20133764 Views

Monika Bright

Symbiosis, the ‘living together of differently named organisms’ is ubiquitous. In the sea, thiotrophic symbioses involving sulfur-oxidizing chemolithoautotrophic bacteria and animal or protist hosts a

Predavanja na NIB-u

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Biology

Chapter list

From tiny babies to giant tubeworms – thiotrophic symbiosis at deep-sea hydrothermal vents00:00
Beneficial microbial symbiosis is ubiquitous00:35
The most diverse type of symbiosis in the sea02:09
Thanks to hydrogen sulfide thiotrophic symbiosis03:22
Sv. Jerney05:38
Zoothamnium niveum - Cand. Thiobios zoothamnicoli05:56
Collaboration with National Institute 06:27
Cultivation in flow through respirometer systems07:48
Ocean map08:41
Riftia pachypila - Cand. Endoriftia persephone10:02
R/V Atlantis11:32
HOV Alvin - 111:58
HOV Alvin - 214:25
Bad weather - 115:15
Bad weather - 215:33
Bad weather - 315:37
Bed16:06
Lab16:23
Picture in the morning17:11
Movie17:36
ASCT - volcanic eruptions18:40
Smoker smoking19:44
Chemosynthesis21:10
Giant tubeworms21:43
After 8 hours22:26
Samples23:00
Experiments23:18
To live with the chosen - the trophosome23:27
The trophosome – LM and SEM24:42
The trophosome - TEM25:08
The trophosome - reconstruction25:31
Host cell cycle with terminal differentiation26:05
1 phylotype – FISH with symbiont-specific probe26:50
3 morphotypes – TEM27:14
Carbon fixation – translocation through release and digestion27:39
To live with the chosen28:34
Everybody starts small30:27
TASCs tubeworm artificial settlement cubes31:25
To find each other - 132:18
Reconstruction of aposymbiotic larvae 32:57
Reconstruction of infected larvae 33:46
Reconstruction of juvenile 34:41
To find the free-living symbiont - 135:41
To find the free-living symbiont - 237:12
To find each other - 238:05
Can the symbionts leave the host upon host death?39:40
FISH of symbionts colonizing glass slides40:37
To escape41:39
Acknowledgements42:24
People working in the lab42:49