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Chikae Tatsumi

@chikaetatsumi.bsky.social
157 followers 172 following 13 posts

Assistant Professor @oistedu.bsky.social. Microbial Ecologist, Ecosystem Ecologist, and Mom of two🦠🍄🌏🌳🍃👩‍🔬 www.oist.jp/research/research-units…

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Chikae Tatsumi @chikaetatsumi.bsky.social · 16/09/2026
Our unit (oist.jp/research/res...) is seeking motivated PhD students and research interns for fully funded positions!!🍄🦠🌳 See how to apply to each program: PhD: oist.jp/admissions/p... (Deadline: November 15) Internship: oist.jp/admissions/r... (Deadline: October 15)
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 01/09/2026
1 month left to apply!
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Seth Finnegan @sethf.bsky.social · 11/08/2026
My home department (Integrative Biology, UC Berkeley) is searching for an assistant professor in ecology—please distribute widely! aprecruit.berkeley.edu/JPF05489
aprecruit.berkeley.edu
Assistant Professor –Ecology- Integrative Biology
University of California, Berkeley is hiring. Apply now!
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Society for the Protection of Underground Networks (SPUN) @spun.earth · 09/07/2026
ICOM 2026 attendees: SPUN is heading to Cairns. Justin Stewart (@thecrobe.bsky.social) will be representing SPUN across the conference, including a talk on our newest global mapping work and a hands-on R workshop. Come say hello. #ICOM2026 #MycorrhizalFungi #SoilEcology
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 02/07/2026
Faculty Positions Open! OIST is now inviting applications for tenure-track assistant professor positions in two broad areas: - Chemistry & Materials Science - Life Sciences & Neuroscience Learn more and apply by October 1st: www.oist.jp/careers/facu... #FacultySearch
Open Faculty Positions at OIST
Image of a modern campus with a blue sea in the background, accompanied by images of scientists at work in the labs. 

Text describes we are looking for faculty in the fields of chemistry & materials science and life sciences & neuroscience.
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Journal of Ecology @journalofecology.bsky.social · 29/06/2026
🍃Canopy has 67% more herbivores than understorey — but not more leaf damage! Resource dilution decouples abundance from herbivory in beech forests. Vertical structure & woody plant diversity drive layer-specific effects 👉️ buff.ly/V1Da1PG
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Camille Delavaux @camilledelavaux.bsky.social · 26/06/2026
Today is the last day to apply to our open PhD position working on plant-associated above-belowground fungal microbiomes across the Galapagos! Based at the amazing @niooknaw.bsky.social 🌱🍄
nioo.knaw.nl
PhD: Biogeography of plant-associated fungi on the Galapagos islands
In this project, you will investigate the biogeography of above- and belowground fungi associated with several Scalesia species. We aim to develop an integrated view of diversity and distribution of t...
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Tadashi Fukami @fukamit.bsky.social · 08/06/2026
Assistant Professor position available at Stanford University, in any area of Earth System Science. Apply by October 1, 2026. facultypositions.stanford.edu/jobs/assista...
facultypositions.stanford.edu
Assistant Professor, Department of Earth System Science - Stanford University, California, United States
The Stanford Doerr School of Sustainability invites applications for a tenure-track Assistant Professor position in the Department of Earth System Science (https://earthsystemscience.stanford.edu). Ea...
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Proceedings of the National Academy of Sciences @pnas.org · 04/06/2026
Oaks and other trees synchronously produce a high number of seeds, a phenomenon known as masting. A study of isolated oaks in California’s Central Valley finds that trees lacking conspecific neighbors within 500 m don’t participate in masting. In PNAS: ow.ly/Ylhb50Z7g8x
Isolated valley oak tree in California's Central Valley.
CREDIT: Walter Koenig
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Dave Armitage @darmitage.bsky.social · 03/06/2026
I'm looking for a postdoctoral researcher to join our group in Okinawa, Japan later this year/early next year. Area of research is wide open, and creative/unconventional projects are encouraged. Together, let's make ecology less of a mess! 📈📈📈 www.oist.jp/careers/okin... DM/email any questions!
oist.jp
Okinawa Institute of Science and Technology Postdoctoral Scholar, Integrative Community Ecology (Armitage) Unit
A postdoctoral position in ecology is available in David Armitage’s research group at OIST (Okinawa Institute of Science and Technology) in Okinawa, Japan, with a flexible start date, ideally in early...
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Justine Karst 🇨🇦 @j-karst.bsky.social · 26/05/2026
Posting on behalf of my colleagues (I am part of this project, too). Postdoc position aimed at generating policy-relevant knowledge to effectively integrate forest-soil carbon in Canadian policies. Details and contact information in job ad below. Please share!
Ad for postdoc
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Nahuel Policelli @nahpo.bsky.social · 28/04/2026
Have you checked our new paper in @biolinvasions.bsky.social? We tested #InvasionalMeltdown between invasive #Fungi and #InvasivePlants using #Suillus and #Pine species across an invasiveness gradient—and found that invasive Suillus only boost invasive pines. 🔗 link.springer.com/article/10.1...
link.springer.com
Evidence for invasional meltdown in plant-fungal co-invasions - Biological Invasions
Invasive symbiotic fungi have been transported around the world, but their role in the shaping of ecosystems is not fully understood. We experimentally tested whether the invasiveness of ectomycorrhiz...
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Corinne Vietorisz @crvietorisz.bsky.social · 08/04/2026
Excited to release a new preprint with @chikaetatsumi.bsky.social, Zoey Werbin, & Jenny Bhatnagar! We used NEON data to identify microbial groups associated with soil nitrogen transformation rates across the U.S. and the environmental contexts where these relationships exist: doi.org/10.64898/202...
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Chikae Tatsumi @chikaetatsumi.bsky.social · 26/03/2026
Happy farewell to Shintaro and Akira! 🎉 Thank you both for being part of our unit, especially during its early stages! We’re excited to continue our collaborations🌳🍄
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Proceedings of the National Academy of Sciences @pnas.org · 23/03/2026
Wildfire-adapted fungi are rewriting the rules of recovery 🔥🍄 Genomics reveals they thrive by breaking down aromatic carbon—not rapid growth—shaping postfire ecosystems and restoring soils. In Smithsonian Magazine: ow.ly/nUbh50YxHbN In PNAS: ow.ly/94tT50YxH4V
The fire-loving fungus Geopyxis, seen here in 2022, after California’s Caldor Fire, has distinctive brown cups with white rims.
Image credit: Monika Fischer / UBC
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Camille Truong @camilletruong.bsky.social · 04/03/2026
So many trees and so many fungi to study! Next one on Australian conifers? We found more #fungi in the rhizosphere of large trees, with many unique taxa beneath the millennial Alerce Abuelo, the Grandfather @spun.earth @esaplantsoilecol.bsky.social @ausmycsoc.bsky.social doi.org/10.1007/s105...
doi.org
Large-diameter trees disproportionately contribute to soil fungal diversity in a coniferous forest with one of oldest living trees on Earth - Biodiversity and Conservation
Soil fungi play major roles in ecosystem functioning and plant resilience to environmental stresses. However, they are often overlooked in ecosystem restoration plans. In the Coastal Range of southern...
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Chikae Tatsumi @chikaetatsumi.bsky.social · 05/03/2026
Very happy that my JSPS research grant application (written while caring for my newborn!!!👶🍼) has been accepted! I’ll be working on interactions among different microbiomes within ecosystems along the urbanization gradient in Okinawa🌳🦠🌇 科研費・若手研究採択いただきました!💃
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Chikae Tatsumi @chikaetatsumi.bsky.social · 02/03/2026
Welcome to the unit, Akira, Nicolas, Nanette, Lucas, and Faezeh!🎉 And thank you so much, Akira, for the delicious Suntory drinks☕🍹 www.oist.jp/research/res...
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 26/02/2026
Explore our fully funded research internship or PhD program, offered in English within an international and diverse research community. We are accepting applications now! Research internship program: shorturl.at/fR7qB PhD program: shorturl.at/clsx5
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Functional Ecology @funecology.bsky.social · 11/02/2026
📰Published📰Functionally diverse stands promote leaf litter decomposition irrespective of litter species’ resource acquisition strategy🌿 buff.ly/zUl04SK 🧪🌍
buff.ly
Functionally diverse stands promote leaf litter decomposition irrespective of litter species’ resource acquisition strategy
Bai-Yu Yang, Xiao-Chen Fang, Johannes H. C. Cornelissen, Li-Ting Zheng, Di-Feng Bao, Li Zhang, Zhao Zhao, Ci-Liang Zhao, Hai-Jun Mao, Zai-Ping Yu, Dan-Yan Ou, Marc W. Cadotte, En-Rong Yan This is a…
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Chikae Tatsumi @chikaetatsumi.bsky.social · 06/02/2026
Will be presenting🙌 International Conference on Science and Technology for Sustainability 2025 - Strengthening research capability and promoting international talent mobility and circulation: a focus on early career researchers who will lead the academia of the future www.scj.go.jp/ja/int/kaisa...
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Nature Microbiology @natmicrobiol.nature.com · 02/02/2026
go.nature.com
Multi-omics reveals nitrogen dynamics associated with soil microbial blooms during snowmelt
Nature Microbiology, Published online: 27 January 2026; doi:10.1038/s41564-025-02213-2Soil microbial populations bloom and then die-off in ecosystems with seasonal snowpack. This study showed that distinct taxa utilize different N sources for growth or energy during the microbial bloom and alter the fate of N after snowmelt.
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Anny Chung (鍾彥儀) @yyachung.bsky.social · 19/01/2026
I'm hiring postdoc in my lab to work on temporal dynamics of sorghum root microbiome assembly! This position is funded by the Moore Foundation through UGA, and would be perfect for someone finishing up their PhD this spring. Details here: chunglab.franklinresearch.uga.edu/join-lab
Photo from our summer lab lunch! 12 people sitting at brightly painted picnic tables with yellow umbrellas outside Cali n' Titos.
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Matthias C. Rillig @mrillig.bsky.social · 31/12/2025
Interested in working on the theory of and concepts behind multiple factor impacts on ecological systems and beyond? Please send expressions of interest. Starting Jan 2026, I would be awarding up to three postdoctoral fellowships on this topic (12 months; 2,5K €) to drive progress on this topic.
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Tadashi Fukami @fukamit.bsky.social · 15/12/2025
International Conference on Science and Technology for Sustainability 2025 - Strengthening research capability and promoting international talent mobility and circulation: a focus on early career researchers who will lead the academia of the future www.scj.go.jp/ja/int/kaisa...
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Chikae Tatsumi @chikaetatsumi.bsky.social · 19/12/2025
Our paper is out in Plant and Soil!🎉 Microbial mechanisms underlying the reduction of soil mineral nitrogen availability by ectomycorrhizal tree introduction in cedar plantations🌲🌳Many thanks Sawada-san for leading this great work!! link.springer.com/10.1007/s111...
link.springer.com
Microbial mechanisms underlying the reduction of soil mineral nitrogen availability by ectomycorrhizal tree introduction in cedar plantations - Plant and Soil
Background and aims Forest mycorrhizal type and soil acidity strongly influence soil nitrogen (N) availability. Arbuscular mycorrhizal pure cedar plantations are expected to exhibit higher soil minera...
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Journal of Ecology @journalofecology.bsky.social · 11/12/2025
Published!📖 The relationships between plants and soils in forests are shaped by dominant overstory trees and the density and composition of understory trees. These findings may help predict how shifts in forest composition affect biogeochemical cycling🌳🧪 Read more:https://buff.ly/htQcfPQ.
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Corinne Vietorisz @crvietorisz.bsky.social · 01/12/2025
The first chapter of my dissertation is finally published in @esajournals.bsky.social! We determined which microbial characteristics best explain soil nutrient cycling and their importance compared to plant and soil factors 🍄🌱 doi.org/10.1002/ecs2... @nahpo.bsky.social @k8eatherton.bsky.social
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Proceedings of the National Academy of Sciences @pnas.org · 26/11/2025
Six years of monitoring in a warmed forest showed a decrease in nitrogen emissions due to reduced microbial activity in dry soil. The result was contrary to predictions and challenges ecosystem model assumptions. In PNAS: ow.ly/Yf1550Xyjpl
Warmed plot in the study. 
CREDIT: Kai Huang
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UC Berkeley @ucberkeleyofficial.bsky.social · 18/11/2025
A two decade long experiment in the Sierra Nevada found that regular prescribed burns promote carbon sequestration in live trees and plants, maintaining forests’ long-term ability to store carbon while also reducing wildfire hazard. news.berkeley.edu/2025/11/17/p...
news.berkeley.edu
Prescribed burning helps store forest carbon in big, fire-resistant trees - Berkeley News
A two decade long experiment in the Sierra Nevada found that regular prescribed burns promote carbon sequestration in live trees and plants, maintaining forests’ long-term ability to store carbon whil...
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Chikae Tatsumi @chikaetatsumi.bsky.social · 17/11/2025
Finally settled in at OIST! Welcomed a wonderfully helpful lab technician and equally helpful administrative staff members, two enthusiastic rotation students (one of whom joined our unit as our first PhD student, yaaay!), a motivated internship student, and even a NEW BABY!!🙌✨
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Ákos T Kovács @evolvedbiofilm.bsky.social · 12/11/2025
Mycorrhizal networks transfer jasmonic acid to recruit pathogen-suppressors @cp-trendsmicrobiol.bsky.social Spotlight from @dromius.bsky.social on @cp-cellhostmicrobe.bsky.social paper from Zhong Wei/Xingang Zhou with @mrillig.bsky.social @mvanderheijden.bsky.social www.cell.com/trends/micro...
cell.com
Mycorrhizal networks transfer jasmonic acid to recruit pathogen-suppressors
Common mycorrhizal networks (CMNs) formed by arbuscular mycorrhizal fungi interconnect neighbouring plants. New evidence from Zhang et al. demonstrates that CMNs transfer jasmonic acid from necrotroph...
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Chikae Tatsumi @chikaetatsumi.bsky.social · 15/10/2025
So excited to share our recent paper on the street tree microbiome in urban environments, published in Nature Cities! Huge thanks to Katie @k8eatherton.bsky.social for leading such fantastic work and for her excellent summary (check out her post)!
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 03/10/2025
2 weeks left to apply! #FacultyHiring
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Tatsuya Amano @tatsuya-amano.bsky.social · 19/09/2025
Women, non-native English speakers & those form low-income countries are disadvantaged in science but by how much? We found that women with non-English first languages from low-income countries publish up to 70% fewer in English than their counterparts. 1/5 doi.org/10.1371/jour... #languagebarriers
Scientific productivity gap based on English-language peer-reviewed papers. Shown are the maximum % differences in the number of peer-reviewed papers published by female native English speakers from a high-income country (-45%), female non-native English speakers from a high-income country (-60%), and female non-native English speakers from a lower-middle income country (-70%), compared to male native English speakers from a high-income country (red flag).
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 12/09/2025
Out now in @science.org, OIST researchers and collaborators find 79% of endemic ant species in Fiji in decline, highlighting the vulnerability of island biodiversity to ecosystem changes: www.oist.jp/news-center/...
oist.jp
Island ant communities show signs of ‘insect apocalypse’
79% of endemic species show signs of decline, highlighting the vulnerability of island biodiversity to ecosystem changes.
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Chikae Tatsumi @chikaetatsumi.bsky.social · 20/08/2025
OIST is hiring Open-Rank Faculty!! This call is open to several fields, including Ecology, Environmental Science, and Earth Science🌏🌳🐦🐟🐝🦠 Come be part of a truly diverse and inspiring community!!
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Jon Gewirtzman @jgewirtzman.bsky.social · 10/08/2025
Such a fun project & massive team effort. We sampled tree cores my 1st yr of grad school then took a year to figure out how to grind wood… ! But we were amazed to find such a complex & unexpected ecosystem inside trees. And we’ve just scratched the surface! We explored 150 trees— 3 trillion to go!
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Tadashi Fukami @fukamit.bsky.social · 06/08/2025
Assistant Professor position in Traditional Ecological Knowledge at Stanford University. Applications due Sept 30, 2025 facultypositions.stanford.edu/en-us/job/49...
facultypositions.stanford.edu
Stanford | Faculty Positions: Details - Assistant Professor in Traditional Ecological Knowledge
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Nature @nature.com · 23/07/2025
Nature research paper: Global hotspots of mycorrhizal fungal richness are poorly protected go.nature.com/4kSD0PO
go.nature.com
Global hotspots of mycorrhizal fungal richness are poorly protected - Nature
Machine-learning algorithms trained on 25,000 geolocated soil samples are used to create high-resolution global maps of mycorrhizal fungi, revealing that less than 10% of their biodiversity hotspots are in protected areas.
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Alison E. King @alisonelinor.bsky.social · 13/06/2025
Paper now out in Science Advances — “Soil carbon formation is promoted by saturation deficit and existing mineral-associated carbon, not by microbial carbon-use efficiency” with Noah Sokol science.org/doi/epdf/10....
Map of the U.S. showing sampling sites (left) and results from subsequent laboratory incubation (right) showing positive association between existing mineral-associated organic carbon (MAOC) and new MAOC formation.
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Current Biology @currentbiology.bsky.social · 12/06/2025
#Fungi are often classed according to their feeding habits as either feeding on decaying material, like wood, or living in mycorrhizal association with plants. Francis Martin and Hao Tan reveal that we need to think about this dichotomy as a continuum. www.cell.com/current-biol...
cell.com
Saprotrophy-to-symbiosis continuum in fungi
Fungi exhibit diverse ecological functions. Martin and Tan describe and trace the evolution of saprotrophy and symbiosis in fungi, showing that fungi in nature occupy a continuum between these nutriti...
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Sara Mitri @saramitri.bsky.social · 12/06/2025
We are recruiting a tenure-track assistant professor in molecular microbiology in our department in Lausanne! Do consider appyling!!
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Global Change Biology @globalchangebio.bsky.social · 12/06/2025
Seasonal Variation of Phyllosphere Microbial Communities Under Warming 🔗 buff.ly/LMUBTlB
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 11/06/2025
For students accepted or enrolled in the US: 5 days left to apply for our special admissions deadline (June 15th)! #PhDProgram
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Justine Karst 🇨🇦 @j-karst.bsky.social · 09/06/2025
Nice overview—‘The biogeography and conservation of Earth’s ‘dark’ ectomycorrhizal fungi’ in Current Biology www.cell.com/current-biol...
cell.com
The biogeography and conservation of Earth’s ‘dark’ ectomycorrhizal fungi
In this review, van Galen et al. use global soil metabarcoding databases to evaluate current estimates of the total number of ectomycorrhizal (EcM) fungal species on Earth, outline the current state o...
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Satoshi Takebayashi @takebayashis.bsky.social · 02/06/2025
OIST Graduate School has opened a Special Admissions Portal for students currently enrolled in, or accepted to, universities in the United States. The application deadline is June 15, 2025. www.oist.jp/admissions
oist.jp
Admissions
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Chikae Tatsumi @chikaetatsumi.bsky.social · 04/04/2025
Two weeks left to apply! Just a note — the start date is negotiable. Feel free to reach out if you have any questions!😊 ご質問などあればお気軽にお問い合わせください!
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OIST (Okinawa Institute of Science and Technology) @oistedu.bsky.social · 31/03/2025
Blue skies over OIST. Follow us for the latest in interdisciplinary science and innovation, from curiosity-driven research to applied technology. #SciSky 🧪
Drone photo of the main campus of the Okinawa Institute of Science and Technology in Okinawa, Japan, overlooking the East China Sea on a sunny day with blue skies above.
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Chikae Tatsumi @chikaetatsumi.bsky.social · 10/03/2025
Our unit at OIST is hiring two postdocs, one lab manager/technician, and one field technician! If you're passionate about exploring microbial and ecosystem ecology at the international institute on Japan's beautiful island, please apply by April 20! 🍄🦠🌳🌞 www.oist.jp/research/res...
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