Marine Biology and Ecology @CornellCALS and @CornellMicroBio PI Ian Hewson (he/him). Not lab: @oceansci_swim
Joined March 2009
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Happy Pride from the Florida Keys! As an π³οΈβπ scientist, Iβm proud to be a part of an institution that supports any person, any study. Including marine science! @CornellCALS @CornellMicrobio
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Sea star wasting disease represents a suite of stress responses. Recent work by Prentice et al (2025) identified Vibrio pectenicida FHCF-3 as causing a SSW condition in Pycnopodia helianthoides. I investigated this bacteriumβs autecology. biorxiv.org/content/10.1101/β¦
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Interestingly, this strain is found in healthy starfish from Okinawa, Hong Kong, and sea cucumbers in Australia. It is also found in plankton of eastern Australia and NZ. This suggests it has a wide range and broad ecological function.
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Moreover, the conclusions reached in Prentice et al (2025), that it is the cause of all sea star wasting in space and time and across all species is unsupported by both this new analysis and their work which reported only Pycnopodia. Care must be taken to avoid overinterpretation
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As part of a newly funded project we are seeking student in marine microbial ecology & urchin disease dynamics π§«ππ¦
PhD | Spring/Fall 2026 start
Job Ad Here π shorturl.at/fSMy9
Apply here π forms.gle/gfMnHutijfqC...
More: theaquaticmicrobiologylab.coβ¦
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Lots and lots of traffic today about Sea Star Wasting in Florida. This probably isnβt the same thing as in the Pacific, but speaks to the fact that there is no case definition, and that itβs very non specific and describes when stars fall apart. See
frontiersin.org/journals/marβ¦
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Cornell Marine Mass Mortality Laboratory π³οΈβπ retweeted
21 Jul 2025
Notice of Award is in!
Join our team at NIU to study marine microbial ecology & disease dynamics in sea urchins π§«ππ¦
PhD | Spring/Fall 2026 start
Job Ad Here πshorturl.at/fSMy9
Apply here π forms.gle/gfMnHutijfqCyQRY9
More: theaquaticmicrobiologylab.coβ¦
cc: @IanH77
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Cornell Marine Mass Mortality Laboratory π³οΈβπ retweeted
9 Jul 2025
π¨ Looking to mentor a postdoc applicant for the 2026 Walder Foundation Biota Fellowship!
Project: microbes, nutrients in the MS River.
π΅ $70kβ$73.5k/yr
π¬ Aquatic micro, biogeochem, metagenomics? Letβs talk!
Info here: biotaawards.org/2026-applicaβ¦
#MicrobialEcology #BiotaFellowship
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Cornell Marine Mass Mortality Laboratory π³οΈβπ retweeted
30 Jun 2025
Check out our field sampling update on our lab website, work we continue to do in support of Diadema Scuticociliatosis outbreaks
Field Update: USVI Marine Disease Survey theaquaticmicrobiologylab.co⦠CC @IanH77
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doi.org/10.1002/lob.10710
I was asked to write this based on a town hall at a recent meeting. Apologies but the journal wanted $3200 for open access and I just couldnβt afford. Lmk if youβd like to see it.
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Concluding 2 back to back meetings (ASLO and BEM), what an amazing group of talks and awesome to catch the latest and greatest! Buoys my heart to see so many early career researchers doing amazing things, despite whatβs going on. Marine disease research is in good hands.
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Final call for anyone attending #aslo2025 who would like to participate on a panel that will discuss best practices in courier shipping. Bring your stories of lost shipments, how you resolved shipping your samples, etc! Dm me if youβre interested in participating!
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Fantastic work by Brayan Vilanova Cuevas examining how Diadema scuticociliatosis shapes microbiomes! Also a reminder that proactive surveillance of microbiomes can be valuable if and when diseases occur.
𧡠Exciting Research Alert! ππ¨ Our latest study investigates the impact of Diadema antillarum scuticociliatosis (DSc) on the microbiome of sea urchins! Here are some key findings. @IanH77 #MarineScience #Microbiome #SeaUrchins
journals.asm.org/doi/10.1128β¦
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Cornellβs College of Veterinary Medicine is searching for a TT position in aquatic animal health. join us! academicjobsonline.org/ajo/Cβ¦
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Cornellβs College of Veterinary Medicine is searching for multiple TT faculty in Microbiology and Immunology. Come join us! apps.hr.cornell.edu/recruitiβ¦
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Excited to announce the publication of our latest work on the Diadema scuticociliatosis pathogen. Here we examined its presence in environmental reservoirs, finding that it is primarily associated with the coral Siderastrea spp int-res.com/abstracts/meps/vβ¦
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We also examined its recruitment to corals in aquaria, its potential for reemergence into naive diadema and its presence in coral specimens and the water column prior to the DaSc outbreak. Excellent collaboration between multiple institutions and countries!
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