Igor Adameyko
@adameykolab
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Karolinska Institutet / Medical University of Vienna
Stockholm, Sweden
Joined May 2018
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This is a gorgeous lettuce sea slug (Elysia crispata) filmed in the waters of Curacao's Piscadera Bay. The lettuce sea slugs are capable of kleptoplasty, i.e. they steal the chloroplasts from the algae they eat and make them to work in their own tissues.
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Mitraria larva of a polychaete worm (Owenia family). Just look at these magnificient iridescent chaete! 😁 Curaçao 🇨🇼 Caribbean 🌊.
#mitraria
#polychaete
#owenia
#sealife
#biology
#marinebiology
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Veliger (conch larva) from the Great Barrier Reef. From the lab on a boat.
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Some more footage of Urashimea globosa from the Sea of Japan
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Polychaetes with pink egg masses from my plankton samples collected in Pula, Croatia. Already at 2 meters depth, this beautiful color turns brown and grey - making a perfect camouflage.
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This is what a metamorphosing starfish larva looks like. Brachiolaria (1.5 mm in length) from Skagerrak, North Sea.
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It is an alien world.. Brachiolaria talks to tornaria barrel-shaped larvae of hemichordates. Zooplankton of the North Sea. Tornaria size is about 1 mm.
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Most of you have seen barnacles. Not many of you have seen their planktonic larvae - nauplii and later cypris larvae. Cypris is specifically interesting, as it is a settling stage. It can walk on frontal antennae connected to cement glands. They also have compound black eyes.
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Juvenile starfish from today’s Skagerrak, North Sea. You can see the red ommatidia (eye spots) at the tip of every arm.
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I made a longer meditative video of Pleurobrachia, hope you will enjoy this one 🤗🌊.
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A juvenile starfish is born (Asterias rubens). A couple of posts ago I was showing their planktonic larvae. Go and have a look, they are true marvels. Helgoland, North Sea.
#starfish
#ocean
#microscopy
#biology
#marinebiology
#marinecreatures
#marineanimals
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After 7 years of experimentation, we are coming up with a story about what directs orientation of muscles in the body. We tried to understand what primes and refines the orientation of myoblasts prior to attachment to skeleton and following fusion.
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Unidentified Caribbean veliger (larva of marine snail) from Curacao. 😁🌊
#curacao
#caribbean
#sealife
#veliger
#mollusk
#gastropod
#plankton
#zooplankton
#microscopy
#macro
#biology
#marinebiology
#oceanexploration
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This is my fav puzzle for the marine biology students. Those who know what this is get a pass.
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Dear Friends, we are recruiting two computational biology PhD students in our Vienna lab. We are searching for bright minds with genuine interest in biology and data analysis skills (R, Python, good knowledge of math). The projects will address the nature of cell fate decisions.
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These melanophores are beautiful! This is a Hawaii bobtail newborn baby squid. 🌊😁
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Our review article on the structure of neural crest multipotency is finally out! We discuss the latest single cell data in a context of fate selection mechanisms.
@PKameneva
@AlekErickson
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Please meet my graceful hydrozoan friend Spiricodon saltator
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Aeolidiella glauca from Swedish west coast. Enjoy this small ball of fur.
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Our book named “Evolving neural crest cells” is finally out! If you are curious about how the neural crest cells shaped a vertebrate body via marvelous changes in embryonic development, this one is for you. Can be ordered via Amazon etc..
Huge thanks to all authors and editors!
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The North Sea is full of brachiolaria - alien-looking larvae of starfish.
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More of the pulsing snowflakes. These are juvenile ephirae of Stomolophus dp.
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A stunningly graceful Phacellophora camtschatica. Probably, this is my best video recording of a jellyfish.
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A party of planktonic animals from the Great Barrier Reef
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Combjellies are zeppelins of the sea (and early-splitting evolutionary branch within metazoans)
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A couple of Caribbean veligers is dancing together. Be patient.
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My dear friends, our paper on skeletal growth during salamander limb development and regeneration is out in Nat Comm: 1/n
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Zoea larva of some Australian crab from the Great Barrier Reef.
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Dear friends, our bright PhD student Louis Faure teamed up with Ruslan Soldatov (Sloan Kettering) and Peter Kharchenko (Altos), and together we released scFates - a new tool for prediction of fate-biasing genes prior to bifurcations in single cell data.
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If you want to ponder why neural tube is a tube, and why our brain has lots of liquid inside (unlike protostome CNS), read my new hypothesis article on the evolutionary origin of a tubular-type nervous system:
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After a long struggle, failed revision in Science, loads of happiness and pain, our paper on surface-associated water streams integrating polyps into a coral colony, is out in Current Biology. 1/10
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Rhopilema esculentum is called a flame jellyfish. The arms of this jellyfish are extended by parts which harbor brownish microalgae. There is a symbiosis between algae and the jellyfish, where algae perform photosynthesis and supply carbohydrates as a food source to their host.
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Alek Klimovich is visiting our lab in Vienna, and he brought a whole bunch of transgenic hydras to do some experiments. We were feeding them recently, and I made this video for you.
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Today, our key paper on multipotency / fating of the neural crest and Schwann cell precursors (SCPs) is out: We mainly focused on questioning if nerve-associated SCPs are actually neural crest cells living in the nerves. The answer is not yes or no. 1/n
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Dinophilus taeniatus polychaetes from the North Sea coast.
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This is cyphonautes - a wandering planktonic larva of bryozoans. Helgoland, North Sea 🌊. It often reminds me a flying hat.
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Adrenal glands hold a scary secret of neuroblastoma (NB) origin. NB tumors start to emerge in late embryos and are still deadly. Together with
@KharchenkoLab
, we profiled human fetal adrenal glands and found striking human-specific features related to NB.
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Our night science delivered the unexpected story of an animal, which appeared as a total enigma. It was spotted by Ryo Minemizu
@ryo_minemizu
in Okinawa and subsequently puzzled hundreds of biologists. Now we have the full answer for
@RebeccaRHelm
:
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Juvenile starfish walks the space. Skagerrak, North Sea.
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The Mediterranean zooplankton: a combo of worms and crustacean larvae is always funny to watch 😅. They push and wiggle, and live their lives like creatures from another planet.
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Some marine polychetes have brooding behavior, and its fun to watch how they wiggle.
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When normal people travel to Ireland, they see amazing landscapes and cosy architecture. I see isopods. 👾👾👾
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A new video of Spirocodon saltatrix flying in the darkness.
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We are about to open a postdoc position in Vienna to work on the questions related to fate decisions in neural crest lineage and related tumors. Please send a line to me with CV and cover letter if interested. This time we search for an experimentalist with a strong track record.
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These are zoea larvae of different marine crustaceans. To me they look like precious gems, coming in all varieties of color and transparency. Their lipid droplets bend the light creating the magic of living crystals.
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Did you ever wonder why pregnant woman should be careful about being
#stressed
? Our new paper in Nature Communications describes a mother-to-child link, which influences the development of
#adrenalglands
though the molecule for happiness
#serotonin
.
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This is another Caribbean veliger. The velum is asymmetric. Enjoy the beauty! 😁💙 Curacao.
#veliger
#curacao
#caribbean
#sealife
#biology
#marinebiology
#plankton
#zooplankton
#microscopy
#macro
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We are opening two senior postdoc positions in Igor Adameyko labs in Vienna (MUW) and Stockholm (Karolinska Institutet). We expect to recruit someone experienced in single cell analysis, mutations calling, clonal dynamics reconstructions and many more. Please contact me directly.
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About two months ago, there was a season for flatfish larvae to be born. Helgoland, North Sea.
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Adameyko lab is hiring! We search for an experimentalist postdoc (preferably with a bit of computational skills) to work with us on the enigma of craniofacial development. The major project is focused on mechanisms scaling up the skull and introducing facial individuality.
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This is a pteropod mollusk (Pterotracheoidea, or“sea elephant”) from Andaman Sea. They are active swimmers, as they feed on jellyfish, larvae of other snails and on zooplankton in general. In the apex, there is a beautiful remnant of a shell reduced by evolution to a minimal size
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Staurozoan jellyfish from Helgoland, North Sea. These guys attach to some substrate and catch things around in hydra-like mode. No swimming.
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This is a totally crazy late midstage larva of a mantis shrimp. It molted on my desk, and then I released the juvenile mantis back to the ocean. Curaçao 🇨🇼 Caribbean.
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Zoea larvae of crabs from Okinawa. My last trip to the islands was awesome, as I also caught a fireflies time.
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Pelagica noctiluca, Mediterranean Sea. I caught a couple of them, got stung, but was happy to see their glow in the middle of the night.
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Just wanted to show how sorted zooplankton looks like under a microscope. North Sea, Skagerrak.
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Beautiful copepod next to rare tornaria larva of hemichordate.
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Mauve stinger (Pelagia noctiluca) from Mediterranean Sea.
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My dear friends, I was so tired of my lab science lately that I decided to take a one-hour break to make this video of the Australian zooplankton for you:
It stems from my last-year expedition to The Great Barrier Reef. Enjoy.
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Just now, Louis Faure became a Dr. Congratulations! 🥂🥃🍹 Louis did an amazing work during his PhD in my lab, focusing on the multipotency and identity of Schwann Cell Precursors aka SCPs. Louis also wrote the music for my videos of marine animals 😁
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This Caribbean veliger has no shell, and I really wonder what systematic group it might belong to.
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Here is our story of evolutionary adaptation in vertebrates based on variable metabolic rates and excretion - all connected to a new protein we named FAME. There are very few uncharacterized genes in human and mouse genome, and FAME was one of those:
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Dear Friends, we opened a position of a PhD student in my lab in Vienna. We search for a computational person with knowledge of biology. Any hybrid backgrounds are welcome. Contact me directly via igor.adameyko
@ki
.se with CV, cover letter and 1 page free style essay on any topic.
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Actinotrocha and echinopluteus make a hug. Helgoland, North Sea 🌊
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Actinotrocha (larval phoronid worm ready for metamorphosis). North Sea, Skagerrak.
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Recently, my fantastic colleague Prof. Sten Linnarsson raised a very good topic for discussion: the existence of morphogen gradients. Some years ago, I had a luxury of meeting Tom Kornberg, and he shared his thoughts about how the gradients and the morphogens work. 1/4 cont.below
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Spirocodon saltator. I love filming these graceful jellies. Fukushima, Japan.
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Recordings of anemones are back to the lab 😁. As probably many of you know, we run few hobby projects, and some are about cnidarian evolution and physiology. When we cannot make another breakthrough in neural crest research, we need to take a pause, and we use corals for that 🪸
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Mountains on the shells of Lioconcha castrensis. Okinawa, Japan.
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@RebeccaRHelm
@MiteyMLE
They are trematodes. We have electron microscopy from Ryo’s samples now confirming this.
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Beautiful cyclosalpa from Curacao 🇨🇼 in a wine glass. As I do not have a proper lab with me, sometimes i have to place the animals into kitchen things: glasses, cups, pans and so on. 😁🤗.
#salp
#curacao
#caribbean
#cyclosalpa
#sealife
#oceanlife
#oceanexploration
#macro
#biology
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