Omaya Dudin 𓂆 ¦🍉¦ 🇵🇸 ¦🦠¦🔬¦
@dudin_o
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Asst. Prof. at @EPFL ➡ @UNIGEnews ¦ @EMBO_YIP #Multicellular developmental diversity #Protist , #Experimental #Evolution , #Embryo , #Ichthyosporeans , #PlanExM
Lausanne, Switzerland
Joined October 2018
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🔥Big News! 📢Plz Share!
After +4y at
@epflSV
, I'm thrilled to share that this summer, we'll be joining the Dpt of Biochemistry at
@UNIGEnews
as an Assistant Prof.
Our lab will continue to explore the
#evolution
of
#multicellular
#development
using
#protists
1/7
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#PreprintAlert
🚨Please share.
Our latest
#Ichthyosporean
#EvoDevo
story, led by M. Olivetta
@ChandniBhickta
@NChiaruttini
& in co. with
@burnsajohn
.
**𝗧𝗵𝗶𝘀 𝗶𝘀 𝗡𝗢𝗧 𝗮𝗻 𝗮𝗻𝗶𝗺𝗮𝗹 #𝗲𝗺𝗯𝗿𝘆𝗼**
LINK ➡️
Buckle up for a LONG 🧵(sorry)
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Look at the life-cycle of S. arctica - a unicellular relative of animals . It undergoes coordinated
#Cellularization
and generates an
#epithelium
-like layer of
#cells
😍.
#science
#evolution
#multicellularity
#scientific
#ichthyosporea
@multicellgenome
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🚨New Preprint from the lab!
Thrilled to see this online !
Buckle up for a brief 🧵
#Ichthyosporea
|
#Multicellularity
|
#Animal
#Origins
|
#Evolution
|
#Embryo
|
#Development
|
#Protist
|
#Cell
#Biology
|
#Cytoskeleton
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Pleased to finally see this paper out in
@PLOSBiology
!
In every publication, we usually describe the scientific discovery but rarely report the journey that leads to it! Today I wanna tell you about some personal events that sparked this story! a 🧵
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S. arctica is an Ichthyosporean that undergoes several rounds of nuclear duplication without accompanying
#cytokinesis
to form a coenocyte. The coenocyte then “explodes” and releases hundreds of newborn cells.
We wondered how such
#cellularization
is achieved?
#Video
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Humbled to join the
@EMBO_YIP
community. I'm thankful to my amazing team (Marine O.,
@HiralABShah
,
@MargaridaMArauj
, mentors (
@SophieMartinLab
@GonczyLab
), funding (
@snsf_ch
,
@EPFL_en
) and many awesome collaborators. (1/2)
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🔥Big News! Plz share.
Happy to share that we've received an
@snsf_ch
Starting Grant to explore
#symmetry
-breaking,
#adhesion
&
#differentiation
at the root of
#animals
.
🙏to my team
Join us at the Dpt of Biochemistry
@UNIGEnews
:
#PreprintAlert
🚨Please share.
Our latest
#Ichthyosporean
#EvoDevo
story, led by M. Olivetta
@ChandniBhickta
@NChiaruttini
& in co. with
@burnsajohn
.
**𝗧𝗵𝗶𝘀 𝗶𝘀 𝗡𝗢𝗧 𝗮𝗻 𝗮𝗻𝗶𝗺𝗮𝗹 #𝗲𝗺𝗯𝗿𝘆𝗼**
LINK ➡️
Buckle up for a LONG 🧵(sorry)
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«Ceci n’est pas un embryon» nor an organoid for the matter
This is a close animal relative, the
#Ichthyosporean
Sphaeroforma arctica.
We are thrilled to have our new story out in
@CurrentBiology
LINK:
Buckle up for a quick🧵
#invertedLUTs
@christlet
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So apparently it's
#MyTwitterAnniversary
!
So I thought of celebrating with some
#ichthyosporean
fireworks!
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Please RT
With a bit of a delay, the lab webpage is finally up!
We aim to investigate the Cell & Developmental biology of
#Ichthyosporeans
!
@EPFL_en
@epflSV
We will be hiring at different levels! Get in touch by email or DM if you would like to chat!
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I’m thrilled to share our new work on
#Ichthyosporea
! Initiated at
@multicellgenome
& finalized here in my lab at
@EPFL_en
¦
@epflSV
.
No time to read the paper now? No Problem,thread to follow.
#Science
#Biology
#Experimental
#Evolution
#Multicellularity
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Our new preprint is out! It describes an
#epithelium
-like layer of cells in a
#unicellular
relative of
#animals
. 𝗔. 𝗢𝗻𝗱𝗿𝗮𝗰𝗸𝗮,
@xgraubove
,𝗔. 𝗛𝗮𝗿𝗮𝗹𝗱𝘀𝗲𝗻,𝗔. 𝗧𝗼𝘆𝗼𝗱𝗮, 𝗛. 𝗦𝘂𝗴𝗮,
@___JonB___
,
@multicellgenome
#Evolution
#Actin
#Science
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Delighted to finally share the polished version of our
#research
out in
@eLife
. No time to read the paper now? No Problem, thread to follow.
#Science
#Biology
#Evolution
#Multicellularity
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Thrilled to see our work in co with
@Dey_Gautam
&
@SchwabYannick
and spearheaded by
@HiralABShah
finally out.
LINK🚨 :
Buckle up for a quick 🧵about why this story is a game changer for
#Ichthyosporeans
& beyond
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Honoured to be an
@snsf_ch
#Ambizione
grantee.THANK YOU
Can’t wait to join
@EPFL
as a junior PI, to investigate epithelial-like cell organisation in unicellular
#ichthyosporea
.
Thx for the support of
@multicellgenome
,
@GonczyLab
,
@OatesLab
&
@SophieMartinLab
I’m over the moon.
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Thrilled to be giving the
@EMBO_YIP
Lecture in Spain.
The weather will be nice, but the company will be even better.
Omaya Dudin
@dudin_o
will be speaking at our Journal Meeting in Spain this June. Come and join us!
Find out more, submit an abstract and register:
#JCSevocellbio
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Today marks our lab's 4th Bday, our last at
@EPFL_en
, & I couldn't be prouder of our team's resilience & spirit. Despite Covid & the long journey in search for the next adventure, we've made beautiful discoveries & forged invaluable friendships along the way.
Thx to my team.
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So when exactly should I stop calling them "𝘂𝗻𝗶𝗰𝗲𝗹𝗹𝘂𝗹𝗮𝗿" relatives of animals?
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#EMBOmarineImaging
is over & it was a blast. A lovely
#community
is taking shape with more beautiful imaging of protists to come.
Now for a week of Sampling
#Ichthyosporeans
#Plankton
#PlanExM
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Finally out in
@eLife
. Thanks to 𝗔. 𝗢𝗻𝗱𝗿𝗮𝗰𝗸𝗮,
@xgraubove
,𝗔. 𝗧𝗼𝘆𝗼𝗱𝗮, 𝗛. 𝗦𝘂𝗴𝗮,
@___JonB___
,
@multicellgenome
and especially 𝗔. 𝗛𝗮𝗿𝗮𝗹𝗱𝘀𝗲𝗻, our dear friend and colleague, who tragically passed away during the final stages of this project. RIP.
A unicellular relative of animals generates a layer of polarized cells by actomyosin-dependent cellularization
#protists
by
@multicellgenome
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& its a clap for
#PlanExM
team in
#Napoli
@EMBLtrec
@embl
@SznDohrn
The most 🤩 samples we've got till now!
A pleasure to work alongisde
#plankton
team
@JohanD13016359
@vincentflora
@e_hehenberger
& AML
@NLeisch
@Michael130991
@Tinadynamics
&Paulina
Now calm time before
#Athens
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Happy to share our review with Brooke McCartney (Twiterless) about
#cellularization
across the
#eukaryotic
tree of life
#Cellularization
across eukaryotes: Conserved mechanisms and novel strategies
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These days We're
#fascinated
by how & why all these
#nuclei
are perfectly positioned in
#Spaheroforma
arctica.
A couple of stories from the lab are brewing about all of this🤓!
#Evolution
#Ichthyosporea
#Embryogenesis
#cellularization
#microscopy
#Scitwitter
i-LUT by
@christlet
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I see only happy faces here !
This is a foundational study in the
#Centriole
field.
Big big congrats o
@MarineLaporte8
& the whole Lab
@CentrioleLab
We are pleased to present our latest publication in
@CellCellPress
, work led by
@MarineLaporte8
, in which we used U-ExM expansion microscopy and time-series reconstruction to reveal the structural assembly steps of the human centriole:
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Waiting for the first planktons of the day to come back into the
@EMBLtrec
Advanced Mobile Lab here
@pie_upvehu
in
#Plentzia
.
#PlanExM
#WeFreezeOnTheBeach
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On a 12h ride + Marine for 2 weeks in
#Napoli
.1st to teach
#UExM
at the
@EMBO
course with
@HiralABShah
@CentrioleLab
,
@Dey_Gautam
& join friends at
@EMBLtrec
for
#PlanExM
. In the meantime 2 new stories are brewing.These ain't
#Ichthyosporea
centric
#protist
😇
#WefreezeOnTheBeach
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Aren't they cute ! 😍😍✨
So many things I have no clue about in there !
This is Amoebidium parasiticum, a
#banana
-shaped
#Ichthyosporean
!
#Cellularization
#Coenocytes
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Enjoying a
#planktoscope
Demo with the
@GonczyLab
! Such a cool way to uncover the biodiversity around us.
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Today its
#WorldMentalHealthDay2023
, and my
#PTSD
, which is caused by growing up in a warzone for 18 years, is so reactivated & triggered, that I dont have the energy to tell you anything more about it.
I'll try again next year.
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After more than 10 days at
@KristinebergC
the
#PlanExM
team of
#WeFreezeOnTheBeach
is Over & Out !
@EPFL_en
@epflSV
@embl
@EMBLtrec
@TaraOcean_
@TaraOceans_Sci
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Here you go our Xmass lights!
Merry Christmas! And best wishes for 2022.
#Ichthyosporea
#Amoebidium
#Microscopy
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As a Palestinian🇵🇸, I feel privileged, yet my heart is heavy thinking of all the kids, friends, and family back home🕊️✌️🏼.
This is just a small reminder that with a real shot at life and genuine opportunities, every Palestinian kid too, can aspire and follow their dreams.
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On my way back home after an amazing couple of days at
@GTSciences
for the
#Suddath
symposium. Thx
@wc_ratcliff
& Frank for the invite.
I was truly humbled to be among my
#Multicellularity
heroes.
+ I got my signed copy on top 🤩
I hope to see you all very soon.
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Quite excited to be part of such team ! Looking forward for this new adventure.
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The
#Plankton
Team is getting ready for THE adventure of a lifetime. Buckle up for awesome
#Expansion
#Microscopy
(U-ExM) of
#protists
!
@Dey_Gautam
@CentrioleLab
@bengeliscious
@SchwabYannick
@JohanD13016359
@embl
@vincentflora
@SinemKSaka1
So excited to be part of this initiative to apply expansion microscopy with the
@Dey_Gautam
&
@dudin_o
labs !!!
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I don't know about you, but my next figures will most probably rely on pasta markers.
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That's everyone cheering for
#ichthyosporeans
1st. 🤓
Enjoying origins of Metazoa meeting.
#Roscoff
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Thrilled to be part of this with
@Dey_Gautam
,
@SchwabYannick
,
@SinemKSaka1
,
@CentrioleLab
to implement Cryo & U-ExM on planktons! & a great occasion to work alongside great colleagues!
@MarineLaporte8
@HiralABShah
,
@ChandniBhickta
,
@JohanD13016359
,
@bengeliscious
(& More)
#TREC2022
#WeFreezeOnTheBeach
Iceland Edition 🇮🇸 has begun! Sampling marine algae for structural biology!❄️🔬 Captain Johan and crew bring in the first catch. Such a fun adventure with the groups of
@SchwabYannick
@JohanD13016359
@dudin_o
@anna_steyer
@MarineLaporte8
(& more!)
#TREC2022
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Yesterday
@ChandniBhickta
successfully defended her MSc. In co-
@GonczyLab
she uncovered novel biology of flagellar disassembly in our fav
#Ichthyosporea
C. perkinsii ! As obvious from her🙂talking with
#Dubochet
She joined
@SchwabYannick
@embl
to become an
#EM
expert.
#ProudPI
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Some mornings are defnietly better than others.
@EMBLtrec
@embl
@TaraOcean_
@TaraOceans_Sci
#PlanExM
#WeFreezeOnTheBeach
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Here you have S. arctica - a unicellular relative of animals at different stages of
#Cellularization
😍. Such process depends on
#actin
and
#Myosin
II.
@multicellgenome
@protistologists
@IBE_Barcelona
#Biology
#Evolution
#Animals
#Epithelium
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Not only do I want to give a shout-out to my friend and closest collaborator
@Dey_Gautam
, but also to our exciting
#planExM
adventure with
#TREC
@embl
@TaraOcean_
Cell scientist to watch – Gautam Dey
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Yes there is the wines. But there is also a huge amount of serenity in Burgundy.
Much needed to cope with the shitshow back home.
#mentalhealth
#selfcare
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#ExM
for the win. Hopefully a new generation of Expanionist will emerge this week !
#EMBLExM
is finally here! Our amazing instructors were already hard at work on a sunny Sunday afternoon - official kick-off later this morning!
@CentrioleLab
@dudin_o
@BournonvilleLo1
@SniaGPereira1
@louvel_vincent
@F_Mikus
@HiralABShah
@Group_Banterle
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It's crazy how
#UExM
transformed our
#research
.
PS: We are very
#open
about helping people set up the method in their labs.
Feel free to reach out if you are interested.
We found that only ~30% of the cells within a colony
#differentiate
into flagellated cells & often cluster together spatially. 𝗧𝗵𝗶𝘀 𝘀𝗵𝗼𝘄𝘀 𝘁𝗵𝗮𝘁 𝗮𝘁 𝗹𝗲𝗮𝘀𝘁 𝟮 𝗱𝗶𝘀𝘁𝗶𝗻𝗰𝘁 𝗰𝗲𝗹𝗹 𝘁𝘆𝗽𝗲𝘀 𝗰𝗼-𝗲𝘅𝗶𝘀𝘁 𝘄𝗶𝘁𝗵𝗶𝗻 𝗖. 𝗽𝗲𝗿𝗸𝗶𝗻𝘀𝗶𝗶 𝗰𝗼𝗹𝗼𝗻𝗶𝗲𝘀
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Im going to take a breather from this platform.
If you need support or want to have an open conversation with open hearts, im happy to Zoom.
Take care
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Please RT!
We are hiring a lab technician to start next March!
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It was such an honour to talk about
#ichthyosporeans
at
@CellBiol_MRCLMB
@MRC_LMB
, 🙏
@DeriveryLab
for the invitation & thx
@Marta_Shahbazi
@BaumBuzz
@Mad_Lancaster
, Rob Kay, and Kate Mcdole for awesome discussions. And thx
@JamesDManton
for the awesome new
#light
-sheet dataset😍
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If anyone is interested in
#Multicellularity
,
#Experimental
#Evolution
, and
#Cell
biology of
#protist
at the uni-to-multi transition. Plz reach out.
Heads up! The
#MSCA
Postdoctoral Fellowships 2024 call opens in April. 🔍 Start your journey early by exploring potential host organisations now and gear up to craft the perfect proposal! 🌟 🎓🔬
More info and opportunities this way ➡️
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So proud.
Another tweet will follow tomorrow. For now enjoy
@HiralABShah
thread on her stellar work.
My first postdoc preprint from work at
@Dey_Gautam
,
@dudin_o
&
@SchwabYannick
labs is out! Buckle up for a tale of mitotic divergence in Ichthyos!
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Can't wait to image all the samples ! Such an awesome team, experience and spirit.
Just back from an incredible few days with
#EMBLtrec
at the stunning & historic
@SBRoscoff
- hugely grateful to our hosts, our
#WeFreezeOnTheBeach
friends and the entire
@EMBLtrec
team for making this possible 1/2
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After only 2 weeks since starting my lab
@EPFL
, I had to change and upgrade my office !.
#StayTheFHome
#FlattenTheCurve
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And that's my recent preprint highlight for
@MBoCjournal
for the fantastic story by
@jt_pentz
,
@wc_ratcliff
& Co.
Preprint Highlight: Clonal Development, Not Aggregation, Drives the Transition to Multicellularity in an Isogenic Model System
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So we delved into the
#CellBiology
using Live, fixed and expansion microscopy (
#UExM
with markers for actin, membranes & microtubules. & we were able to reconstruct the early
#developmental
patterns of C. perkinsii
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Not only did we have a great meeting - but we also got a cool catch of protists in the ponds around!
Thx
@Dey_Gautam
&
@EelcoTromer
&
@Co_Biologists
The movies are below in the comments!
Thank you to organisers Gautam Dey
@Dey_Gautam
& Eelco C. Tromer
@EelcoTromer
and all attendees for a great Workshop on Genotype to Phenotype: Bridging Comparative Genomics and Cell Biology.
#BiologistsWorkshops
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Happy to see our recent pre-print highlighted in the
@newscientist
by
@ClaireAinsworth
A single-celled creature living in shallow sea sediments develops into multicellular structures with remarkable similarities to animal embryos, offering clues about how and when embryonic development evolved.
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We've been having some fun in the lab lately.
@SniaGPereira1
got us some samples from a Portuguese beach & we managed to get a Ciliate culture growing from there.
#SciTwitter
Can you help us identify which ciliate this is?
Time interval = 1 sec
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Such a thrill to be part of
#TREC
with
@Dey_Gautam
@SinemKSaka1
@SchwabYannick
@CentrioleLab
@MarineLaporte8
@HiralABShah
@ChandniBhickta
@EPFL_en
@epflSV
@EPFLdurable
Read some insights on the Icelandic pilot!
From coast to coast and beyond via
@embl
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Also a dream come true for me as well and for our lab!. The Iceland Pilot was already a blast, i can't wait for the upcoming couple of years.
Feel free to get in touch with Us if you want to be part of
#TREC
&
#WeFreezeOnTheBeach
A childhood dream come true, thanks to amazing collaborators and
@EMBL
@TaraOcean_
- as part of the pan-European 2023-24
#TREC
expedition, we will use
#ExM
and FISH to create an ultrastructural atlas of microplankton sampled from coastal waters!
1/3
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After more than 2 months since starting my
#lab
@EPFL
, and after a global
#pandemic
, my cute
#ichthyosporeans
are finally out of
#hibernation
. We have some catching up to do !!
#COVID19
#Science
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In our work in co. with
@Dey_Gautam
and
@HiralABShah
, we found that, unlike S. arctica, C. perkinsii has centrioles and undergoes animal-like open
#mitosis
, highlighting the cellular diversity within the Ichthyosporea.
My first postdoc preprint from work at
@Dey_Gautam
,
@dudin_o
&
@SchwabYannick
labs is out! Buckle up for a tale of mitotic divergence in Ichthyos!
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This is a great resource for everyone into all sort of organisms !
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Can't wait to start this new adventure 😃
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As we embrace the
#NewYear2024
, I wish you all a year of
#peace
.
It's time for the 'international community' to abandon
#Hypocrisy
and embrace true
#justice
– for everyone, everywhere.
Our 🍉
#resilience
will always outshine our suffering.
Drawing by Naji Al Ali (1936-1987)
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The Hippo kinase cascade regulates a contractile cell behavior and cell density in a close unicellular relative of animals
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This workflow & also this 😍figure are paving the way towards revealing the ultrastructural biodiversity of planktons.
Check this out! This work is a straight emanation of harnessing both the strength of
#vCLEM
and
#vEM
and the huge potential of
#WeFreezeOnTheBeach
workflows that were developed for the
@EMBLtrec
expedition.
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Thrilled to see this primer out & alive !.
Yes we need more EE on non model organisms.
.
@tony_burnetti
&
@wc_ratcliff
explore a new
#PLOSBiology
study by
@dudin_o
&co that evolves simple
#multicellularity
in Sphaeroforma arctica, enabling study of evolution of multicellularity at base of
#metazoa
Study: Primer:
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The lab will be fuming this week. Probably the biggest experiment (Volume-wise) I've ever done. 🤞🤞 it goes all smooth
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I'm vouching for the 🥚first !
📢📢We are excited to kick off our new interview series
#MeetTheNewPi
! With
@dudin_o
!
Omaya is a Franco-Palestinian
#juniorPI
that recently started his lab
@EPFL_en
, with the aim of understanding the
#origins
of
#animal
#developmental
mechanisms!
💥💥
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If you don't know, now you know 🎉
"This is a very significant study because it illuminates processes and underlying mechanisms that could have played a major role in the transition to multicellularity."
Reviewer # 2
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We are looking for Master students with
@GonczyLab
!
One project includes functional and structural analysis of the
#flagellum
of C. perkinsii ! A very exciting
#ichthyosporean
!
Anyone up for it?
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Interested in doing a
#PhD
with us?
Spring deadline 15th April.
Plz reach out & apply to
@LifeSciencesPh1
:
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Looking for a
#PhD
in Life Sciences?
Calling bright
#Master
students from all walks of
#Lifesciences
Fully-funded
#PhD
positions !
@UNIGEnews
@sciences_UNIGE
@Biologie_UNIGE
@LifeSciencesPh1
Apply by April 15th 2024,
visit:
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Excited to see this work finally out! Kudos to Helena for her amazing work and all co-authors, Mati, Nuria,
@Elenacleomina
@nickbrownlab
and
@multicellgenome
#Adhesion
#Integrin
#multicellularity
#Evolution
#animals
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Alongside
@vincentflora
@JohanD13016359
@bengeliscious
@SchwabYannick
teams we were able to chemically fix, plunge freeze, HPF, cell sort and attempt to culture planktons in a record time <3hrs from the boat reaching the harbour till the sample is processed!.
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If you 💗
#Evolution
,
#Cell
biology & Crazy bugs then register for this upcoming meeting in Roscoff!
Organised by
@Clytia_Vlfr
&
@ArnauSebe
I can't promise though there would be any other movies where a
#choanoflagellate
takes
#Sphaeroforma
for a ride
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New books delivered 😍. The thrill is building up for this new upcoming adventure for our lab ! Cant wait 😁
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Good to see this dream come true.
Can't wait to be there this weekend.
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Awesome Summary of the
#AdvancedMobileLab
from
@EMBLtrec
And great to see the
#PlanExM
Team in action, alongside our amazing collaborators.
@Dey_Gautam
,
@CentrioleLab
,
@bengeliscious
@vincentflora
@SchwabYannick
@embl
@TaraOcean_
@TaraOceans_Sci
#WeFreezeOnTheBeach
Pour la première fois à
#Kristineberg
, les équipes de
@embl
/
@EMBLtrec
ont pu rejoindre celles de Tara avec leur “laboratoire avancé mobile”. 🚛
Pour découvrir ce
#laboratoire
unique, découvrez notre vidéo complète :
🇫🇷
🇬🇧
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Happy about this.
Although 1 year too late for me to apply for the Starting, I think its critical CH researchers are back on the ERC program.
📣 Good news!
As negotiations between the 🇪🇺 EU and 🇨🇭 Switzerland have been officially launched today, researchers based in Switzerland can now once again apply for ERC grants.
Read more 👉
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These
#microtubules
, organized by a unique MTOC interact & radially organize the NPCs beneath them!
It's not 9-fold
#symmetry
but gosh they are a beauty! If you have some clues - reach out!
Buried by necessity in Figure S5, these Sphaeroforma radial NPC arrays really grabbed our attention - we think they're interacting with & stabilising polar microtubules, but no clue why. Any ideas? Anyone ever seen something like this?
Paper here:
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Grateful to our collaborators at
@RCC_algae
,
@SBRoscoff
,
@TaraOceans_Sci
,
@TaraOcean_
for sharing some of their time, infrastructures and samples!
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Beautiful
3D time-lapse analysis of mitosis in sea star embryos (Patiria miniata) embryos, using deep learning. Here imaged between the 32- and 2000-cell stages (membrane in yellow and nucleus in cyan)
Barone et al. Luis Escudero lab
@unisevilla
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