Karel Riha @karel-riha.bsky.social · 2hIt was a pleasure to host @editormb.bsky.social from @natureportfolio.nature.com at @ceitec.eu to present a lecture on publishing with Nature journals . 031
Reposted by Karel RihaAnna Schulten @sulteavn.bsky.social · 01/10/2026Very excited to join @ceitec.eu and start building my own research group! 🌱 Thanks for the warm welcome! 2131
Reposted by Karel RihaEmmanuel Levy's lab @elevylab.bsky.social · 25/09/2026It took a while, but here we are. Our micDROP paper is out in @natcomms.nature.com, led by @atargt.bsky.social. She asked whether the sequence of a disordered region can self-recognize specifically. She measured this for ten IDRs in living yeast cells. www.nature.com/articles/s41... 1199
Reposted by Karel RihaLaurens Pauwels @laurenspauwels.bsky.social · 12/09/2026BackBone Builder (B3): a modular Golden Gate standard with a compatible Agrobacterium parts library is now published in @plantphys.bsky.social ! Has been a very useful system for our lab. @psb-vib.bsky.social #PlantScience academic.oup.com/plphys/artic... 11612
Reposted by Karel RihaGabrijela Dumbović @gabrijelad.bsky.social · 09/09/2026Incredibly happy to share the first publication from our lab, now published in Nature Cell Biology! 🎉 How do cells coordinate RNA processing with nuclear organization and the cell cycle? www.nature.com/articles/s41... 34715
Karel Riha @karel-riha.bsky.social · 10/09/2026No more manual counting of pollen after Alexander staining. AI-base segmentation tool will do it for you faster and with more precision than you. PAT : An Image Analysis Tool for Automated Scoring of Pollen in Alexander-Stained Anthers academic.oup.com/jxb/article/... 021
Reposted by Karel RihaThe Plant Cell @theplantcell.bsky.social · 03/09/2026The STA1–DOT2 interaction promotes nuclear speckle formation and splicing robustness in growth and heat stress responses (Heejin Kim , Kyoung-jae Yu , So Young Park , et al) doi.org/10.1093/plce... #PlantScience @aspbofficialdoi.orgThe STA1–DOT2 interaction promotes nuclear speckle formation and splicing robustness in growth and heat stress responsesAbstract. Pre-mRNA splicing is carried out by the spliceosome, a large and dynamic ribonucleoprotein complex. The spliceosome is known to be stored in nucl 043
Reposted by Karel RihaMax Planck Institute for Plant Breeding Research @mpipz.bsky.social · 18/08/2026🔬Big news🥳 We’re excited to welcome Prof. Dr. Rosa Lozano-Durán as new Director and head of the Department of Plant Virology @mpipz.bsky.social Her research focuses on how plant viruses interact with their hosts. 🎉Welcome to MPIPZ, Rosa 🌿🌱 www.mpipz.mpg.de/5842514/loza...mpipz.mpg.deThe Max Planck Institute for Plant Breeding Research welcomes Prof. Dr. Rosa Lozano-Durán as new director 620868
Reposted by Karel RihaJán Bíňovský @jbinovsky.bsky.social · 02/07/2026🔥My first (co)first-author paper is out🔥 The surfaces of Gram+ and Gram- bacteria are markedly different from each other. How are phages equipped to breach the Gram+ envelope❓ 💡We report a baseplate structure uniquely adapted to infect Gram+ S. aureus. A 🧵⬇️ 1/8 #phagesky #cryoEM 🧪 412135
Reposted by Karel RihaSophien Kamoun @kamounlab.bsky.social · 25/06/2026Magic benthi! 🍄 🌱 Psychedelic Nicotiana benthamiana wasn’t on my 2026 synbio bingo card www.science.org/doi/10.1126/... 0308
Reposted by Karel RihaGozde Demirer @prof-gozde.bsky.social · 19/06/2026Targeted DNA insertion remains a major bottleneck in plant engineering. We developed an avian R2 retrotransposon as an efficient plant genome editor to precisely insert large DNA payloads at targeted sites: www.nature.com/articles/s41... Congratulations to @kimuchenje03.bsky.social and the team! 🧵👇 15227
Reposted by Karel RihaAbiotic Stress in Plants @abioticstress.bsky.social · 18/06/2026#Chloroplast sunscreening by #protein condensates confers #high-light tolerance www.cell.com/cell/fulltex... #PlantScience #PlantStress @cp-cell.bsky.social @sciplant.bsky.social @chloroformtea.bsky.social @cp-cellchembiol.bsky.social @plantbiology.bsky.social @plantscience.bsky.socialcell.comChloroplast sunscreening by protein condensates confers high-light toleranceThe conserved MBS1 protein assembles into chloroplast-associated condensates to sense singlet oxygen and shield chloroplasts against excess light penetration. 043
Reposted by Karel RihaCEITEC @ceitec.eu · 18/06/2026Scientists from CEITEC @masarykuniversity.bsky.social have described a previously unknown mechanism crucial for plant reproduction, with the capacity to sense and react to environmental challenges 🌱 Read more ⬇️ www.ceitec.eu/previously-u... #CEITECScience 021
Reposted by Karel RihaThe Plant Cell @theplantcell.bsky.social · 17/06/2026Heat stress induces the formation of unreduced male gametes by targeting translation in Arabidopsis meiocytes (Cédric Schindfessel , Albert Cairo , Pavlína Mikulková , Chunlian Jin , Laura Lamelas , Philip A Wigge , Karel Říha , Danny Geelen) doi.org/10.1093/plce... #PlantScience @aspbofficialdoi.orgHeat stress induces the formation of unreduced male gametes by targeting translation in Arabidopsis meiocytesTAM regulates the translation of meiotic cell cycle genes under heat stress to prevent premature meiotic exit and ensure ploidy consistency in the natural 0127
Reposted by Karel RihaGhent Rooting-lab/Steffen Vanneste @stvanneste.bsky.social · 11/06/2026#single insert transformation. The problem of multiple inserts lies in your T-DNA 😳 www.biorxiv.org/content/10.6...biorxiv.orgRational design of T-DNA vectors enables predictable, single-copy integration in Arabidopsis thalianaAgrobacterium-mediated transformation is the dominant method for plant transgenesis, yet it frequently produces multi-copy, structurally complex T-DNA insertions associated with transgene silencing, u... 074
Reposted by Karel RihaJames Lloyd 🧬 @jamespblloyd.bsky.social · 29/05/2026New review out: The Promise of Synthetic Biology for Redesigning Plant Architecture Great to have worked on this with @suruchiroy.bsky.social and Gerad dos Santos! doi.org/10.3390/ijms...doi.org 1199
Karel Riha @karel-riha.bsky.social · 26/05/2026Last MCS seminar at @ceitec.eu by @apmahonen.bsky.social Great talk on plant vascular system differentiation! A new seminar series coming from the autumn … 0102
Karel Riha @karel-riha.bsky.social · 19/05/2026Manipulating meiotic recombination in plants. Amazing seminar by @piotraz.bsky.social at @ceitec.eu 1113
Reposted by Karel RihaMary Mirvis @marymirvis.bsky.social · 13/05/20261/13 So excited to share our new preprint!! How do organelles pack together in a crowded cytoplasm? we know organelles interact via contact sites, but how does competition for space contribute to organelle morphology and interactions? @wallaceucsf.bsky.social www.biorxiv.org/content/10.6... 38326
Karel Riha @karel-riha.bsky.social · 13/05/2026Heat stress induces the formation of unreduced male gametes by targeting translation in Arabidopsis meiocytes academic.oup.com/plcell/artic... I am glad we could contribute to this story by Cedric Schindfessel and Danny Geelenacademic.oup.comHeat stress induces the formation of unreduced male gametes by targeting translation in Arabidopsis meiocytesTAM regulates the translation of meiotic cell cycle genes under heat stress to prevent premature meiotic exit and ensure ploidy consistency in the natural 021
Reposted by Karel RihaYves Van de Peer @yvdp.bsky.social · 08/05/2026The rise of polyploids during environmental upheaval: Cell www.cell.com/cell/fulltex...cell.comThe rise of polyploids during environmental upheavalFrom the dating of 132 ancient whole-genome duplication events across 470 angiosperms, paleopolyploidization events cluster around pivotal periods of environmental upheaval and extinction, notably the... 04114
Reposted by Karel RihaMichael Wrzaczek @mwrzaczek.bsky.social · 08/05/2026Callose synthase remain very enigmatic proteins. Very cool work by David Usak from the group of Roman Pleskot who provide insights into CALS complexes and their regulation- thank you very much for including us doi.org/10.64898/202...doi.org 012
Reposted by Karel RihaSchnittger Lab @schnittger-lab.bsky.social · 06/05/2026Finally, here it is: after 12 years, and driven by the incredible hard work and innovation of two Ph.D. students, Bingyan Hu and Maria Prusicki, with biomathematical support from Katarina Stahlmann (UKE) — "A cytological framework of female meiosis in Arabidopsis". academic.oup.com/plcell/artic...academic.oup.comA cytological framework of female meiosis in ArabidopsisLive-cell imaging reveals characteristic cytological stages of female meiosis in Arabidopsis and allows an assessment of their durations. 34629
Reposted by Karel RihaJames Lloyd 🧬 @jamespblloyd.bsky.social · 29/04/2026I am super excited to announce that I am recruiting a new post-doc to join my team at UWA & @plants4space.bsky.social to work on plant synthetic biology, with a focus on genome engineering. If you are interested, please apply or reach out to me. external.jobs.uwa.edu.au/cw/en/job/52...external.jobs.uwa.edu.auProspective staff : Jobs at UWA : The University Of Western Australia 14451
Reposted by Karel RihaKenneth Loi @kenjmloi.bsky.social · 27/04/2026Excited to share our discovery of a new programmable RNA-guided DNA-targeting system hiding inside bacteriophages that predates CRISPR. We call it VIPR (Viral Interference Programmable Repeat), and it uses an entirely new logic to find its targets. Thread + link below. 7448197
Reposted by Karel RihaAlbert Cairo @albertcairo.bsky.social · 21/04/2026🌿New paper from the lab out in @natcomms.nature.com We describe the existence of a new organelle, the Meiotic body, which orchestrates gene expression during meiosis. And dissect a mechanistic module that controls its level of condensation. www.nature.com/articles/s41... Small 🧵 162