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Putri Prasetyaningrum
@putriningrum.bsky.social
🇮🇩(Indonesian) in 🇩🇪 Interested in protein🤝protein, Light and Gibberellin signalling, plant environmental adaptation, cat🐈⬛, music🎸 , history🏛️, anthropology🙇
New #cat just dropped! 😻 A first in over 100 years, a genomic study in CB by Eduardo Eizirik and team reveals a new species of 'tiger cat'. 👉 www.cell.com/current-biol... Meet the Tilcayo (Leopardus tilcayo)! (photo: Fernando Faciole/National Geographic) #cats
Freddy Igiebor, a master student in the lab, used the tools developed in our lab to perform live and fixed imaging of phyB photobodies. Together with the help of Isabella Graf and Laeschkir Würthner, from the EMBL, he began to investigate the biophysical properties of phyB photobodies.
phyB photobodies can have different properties between light conditions and cell types, and so can form molecular memory by retaining signaling biomolecules. phyB photobodies delay and modify light signalling events, so that the plant can react to light when it needs to, and not when it is forced to
This paper was presented at the ISPP in Switzerland last week, just after the presentation of Meng. Our paper deals on how plant phytochrome B (phyB) photoreceptors, which are crucial environmental sensors of light quality and quantity, can form molecular condensates, called phyB photobodies.
and has touched the work and lives of many of my colleagues. It’s a surreal experience that he is no longer there as a colleague, and he will be greatly missed. I want to dedicate this paper to his memory, and can only wish his close friends and family all the strength to deal with this sudden loss.
The first preprint of my lab has just come out doi.org/10.64898/202... This paper came out at the same day on the sudden passing of Prof. Meng Chen. Without his work, this paper would not have existed. He was an extremely supportive member of the plant photobiology community..
doi.org
Congratulations to Laura Schmid from our lab for winning the poster prize at the Plant Photobiology meeting (ISPP 2026) in Les Diablerets (CH). Well done!
I'm excited to share that my newly funded #ERCStG FRONTERA is recruiting two postdoctoral researchers at @ipbhalle.bsky.social 🌱🔬 If you are passionate about plant immunity, proteolysis, membrane proteins, or proteomics, I'd love to hear from you. 🧵 Please RT/share!
Glad to be hosting the #Thermomorphogenesis 2026 meeting at @dundee.ac.uk, with 3 days full of exciting research and discussions about recent advances in plant temperature responses. Very happy to be part of such a supportive community!
Mark your calendars‼️ The SNP2PROT team hosts the "Plant Genetic Variation meets Protein Architecture" international conference, 21-23 June 2027, at the Leopoldina, Halle (Saale). Join us for interdisciplinary discussions, coffee and networking! Registration opens: 17th October, 2026 ⏰ #SNP2Prot
Our latest preprint is online. www.biorxiv.org/content/10.6... Our exciting data show that embryonic patterning in Arabidopsis is kick-started by differential sensitivity towards auxin and not by differential distribution of auxin.
Before auxin distribution matters: Prepatterning of the Arabidopsis embryo axis by MPK6-dependent AUX/IAA8 phosphorylation
In growth and development of plants, the signaling molecule auxin plays an instrumental role. Many patterning processes are controlled by auxin signaling in a self-organizing matter. After fertilizati...
biorxiv.org
Excited to share the latest preprint from #TimingLab where we report the presence of maturing Guard Cells at the tip of the cotyledons in the ERECTA triple mutant embryos as early as 6 DAP!! Read more👇
Margot Smit@likeyoda1.bsky.social · 2mo agoFresh preprint online from our group! We find that stomatal maturation IS possible in the embryo, when they lack ERECTA signaling, but then still, only at the cotyledon tip. A thread. www.biorxiv.org/content/10.6...
1/9 🧵New preprint from the lab! A midpoint in a long journey to understand specificity among bHLH transcription factors in plants. Part IV: how does an accessory domain guide specificity of heterodimerizing bHLHs? #PlantSci #TranscriptionFactors #stomata www.biorxiv.org/cgi/content/...
biorxiv.org
Leaves absorb red and reflect far-red, so a close neighbour enriches the spectrum in far-red. Phytochrome B detects this; the plant elongates. Gibberellin is required. Its three receptors are not interchangeable — only one responds to far-red. A preprint thread: tinyurl.com/y5jyy9zc 🌱
Join my group at @fz_juelich within the @ceplas.bsky.social excellence cluster. #PlantJobs We’re looking for a postdoc/senior scientist in plant single-cell and spatial transcriptomics recruiting.fz-juelich.de/jobposting/8...
Postdoctoral Researcher / Senior Scientist in the field of plant single-cell and spatial transcriptomics
recruiting.fz-juelich.de
I've got something to "TORC" about! 😅 After 4 years building this project at @biologyunifreiburg.bsky.social, I'm so excited to share that my first independent preprint is now online! ✨ I hope you like it: doi.org/10.64898/202... A short thread... 🧵 #PlantSci #PlantScience
The TARGET OF RAPAMYCIN (TOR) kinase controls shade-mediated hypocotyl elongation responses in Arabidopsis.
Plants perceive neighboring vegetation through an enrichment of far-red light (shade) in the environment. These changes in light quality trigger molecular and physiological responses aimed at outgrowi...
doi.org
So happy and proud to share our lab’s first #plantscience research article, revealing that angiosperms have the capacity to encode memory of flooding stress. A heroic effort by @aidamaric.bsky.social in collaboration with @djgibbs.bsky.social and others. A brief 🧵 www.biorxiv.org/content/10.6...
biorxiv.org
🚨 Paper out now in #ScienceAdvances @science.org 🌱🦠 Pathogens don’t just target protein degradation—they also hijack host translation. "Bacteria use P-body condensates to attenuate host translation during infection" ⚖️♻️ led by @manuelgonzalezfuen.bsky.social www.science.org/doi/10.1126/...
It worked (after testing an ungodly number of combinations, see supp.)! Three human-derived modules, PHD3, SLY-VHL, HIFODD, form a fully functional O2-dependent proteolysis system in Arabidopsis. We could degrade reporters, TFs, even fluorescent proteins, all reversibly controlled by oxygen levels.
#joboffer #Germany plz spread it I'm hiring a Junior leader (E13; 100% for 3-5 y) to start own independence w/ focus on #CryoEM SPA or ET Ideally 1-2y postdoc experience Plz get in touch, if you are interested in #Structural biology & #MicroBiochem @sfb1381.bsky.social @vaam-microbes.bsky.social
New Publication: A secreted citrus protease cleaves an outer membrane protein of the Huanglongbing pathogen (2026) https://www.tsl.ac.uk/publications/166327
PNAS: A secreted citrus protease cleaves an outer membrane protein of the Huanglongbing pathogen (2026)
Plants secrete a variety of proteases as a defense response during infection by microbial pathogens. However, the relationship between their catalytic activities and antimicrobial functions remains largely unknown. Particularly, few biologically relevant substrates of these proteases have been identified. Huanglongbing (HLB) has been a major threat to the citrus industry worldwide. The HLB-associated bacterium, "Candidatus Liberibacter asiaticus" (Las), was previously shown to deploy an inhibitor of papain-like cysteine proteases (PLCPs) to promote disease in citrus. In this study, we identified an outer membrane protein (OMP) of Las, LasOMP1, as a substrate of the citrus PLCP CsRD21a. LasOMP1 is one of the most highly expressed genes in Las. CsRD21a cleaves LasOMP1 and produces cleaved peptide products, which could be detected in vitro and in HLB-diseased citrus plants. We found that CsRD21a targets the N-terminal portion of LasOMP1, potentially at an extracellular loop region. Importantly, transgenic sweet orange overexpressing CsRD21a showed reduced Las populations and improved plant growth, highlighting that engineering this protease is a promising strategy to enhance HLB resistance in citrus. Together, our work reveals a pathogen-derived substrate of plant PLCPs and suggests bacterial OMPs may be direct targets of plant defense.
doi.org
Published! From a proteomic atlas of the ERECTA signaling network, we show that receptor kinase endocytosis is essential for proper stomatal patterning. Congrats, Pengfei, @edwardmarcotte.bsky.social, @hhmi-science.bsky.social, @texasscience.bsky.social & co-authors! www.science.org/doi/10.1126/...
Comparative proteomic profiling of receptor kinase signaling reveals key trafficking components enforcing plant stomatal development
Proteomic mapping uncovers endocytosis adaptors that drive receptor internalization for robust stomatal development.
science.org
Interesting paper on the degradation of DELLAS (gibberellin pathway) by a plasma membrane localized E3 ubiquitin ligase to regulate growth under C/N imbalance #proteostasis academic.oup.com/plcell/artic...
And the This year’s winner of the Reinhold-von-Sengbusch prize for best Talk are: - Susanne Mühlbauer - LMU Munich - Jakob Weber Böhlen - RWTH Aachen University - Jan Multhoff – University Münster #MBP2026
And here are this year’s winners of the Reinhold-von-Sengbusch prize for best Poster are: - Gali Araguirang - University Hamburg - Sophie Farkas - University Freiburg - Nazanin Mahouram Mashhadi - University Berlin #MBP2026
