#plasmodesmata
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#ForestryRes
Poplar PdPDLP6A/B localize to plasmodesmata and regulate lateral symplastic transport from phloem to xylem, linking assimilate delivery to cambial activity.
Details: https://www.maxapress.com/article/doi/10.48130/forres-0026-0033
#Plasmodesmata #SecondaryGrowth #Xylem #Populus
November 5, 2026 at 3:52 AM
cryoempapers.bsky.social
Imaging plasmodesmata: studying the connections between plant cells across scales pubmed.ncbi.nlm.nih.gov/42931913/ #cryoem
October 27, 2026 at 7:21 PM
apaterlini.bsky.social
Plasmodesmata and current geopolitical crises in the same sentence? Check out my piece for The Biochemist, @biochemsoc.bsky.social journal. Expect pirates, blockades and evolving trade deals 🏴‍☠️⚓️. Bonus: they have an entire issue on The Secret Language of Plants 🌱! portlandpress.com/biochemist/a...
The hidden exchanges between plant cells
Abstract. Trade and communication are fundamental tenets of our globalised societies, but they are also subject to a multitude of factors that can impact them. Recent geopolitical crises around the St...
portlandpress.com
October 23, 2026 at 3:30 PM
rgleadow.bsky.social
Interesting PhD opportunity to work on plasmodesmata #PlantScience 🪴🧪🌱
October 12, 2026 at 9:18 PM
pdchristine.bsky.social
Anyone brave enough for an adventure in the uncharted waters of plant immunity and cell biology? We have a PhD studentship available as part of the NRP DTP - join us!

biodtp.norwichresearchpark.ac.uk/projects/how...
How do the connections between a cell and its neighbours control how a cell responds? (FAULKNER_J27DTP) | Doctoral Training Partnership
Plant cells are connected to their neighbours via ‘tubes’ called plasmodesmata, creating an interconnected cytoplasm that joins cells within and between tissues and organs.
biodtp.norwichresearchpark.ac.uk
October 12, 2026 at 4:51 PM
annbot.bsky.social
♻️🆓: Callose deficiency modulates plasmodesmata frequency and extracellular distance in rice pollen mother and tapetal cells
doi.org/10.1093/aob/...
Callose deficiency modulates plasmodesmata frequency and extracellular distance in rice pollen mother and tapetal cells
AbstractBackground and Aims. Fertilization relies on pollen mother cells able to transition from mitosis to meiosis to supply gametes. This process involve
doi.org
October 10, 2026 at 4:04 PM
pdchristine.bsky.social
I wrote in the introduction to my PhD thesis that viral movement proteins *open* plasmodesmata... but... what if viral movement proteins induced formation of new plasmodesmata... that might also increase trafficking between cells... 🤔 ?
biorxiv-plants.bsky.social bioRxiv Plant Bio @biorxiv-plants.bsky.social · Sep 29
High-resolution microscopy of whole plant cells reveals virus-induced changes to intercellular connectivity https://www.biorxiv.org/content/10.64898/2026.09.28.755083v1
September 29, 2026 at 4:14 PM
smokvarska-marija.bsky.social
Our amazing Tati describes oscillating plasmodesmata at the INTERFACE meeting ENS Lyon. #pdpower
September 8, 2026 at 12:12 PM
tkozawa.bsky.social
Great work by Busche et al. (2026) on how #PlantTOR can reduce #plasmodesmata (PD) transport in plants by promoting the expression of PD-localized callose binding proteins (PDCBs), which drive #callose deposition at PD through the PP2A-ABI5-PDCB1/2 signaling axis 🌱.
🔗 www.science.org/doi/10.1126/...
Fig. 4. Glucose-TOR signaling drives callose deposition at PD through the PP2A-ABI5- PDCB signaling axis. (A and B) TOR and PP2A antagonistically regulate callose deposition at PD in leaves. Callose deposits in cell walls were stained with aniline blue and visualized using confocal fluorescence microscopy. Inhibiting TOR with Torin2 (T2) significantly decreased PD callose (n ≥ 27, P < 10−2), whereas inhibiting PP2A with either CAN or OA significantly increased PD callose (n ≥ 27, P < 10−7). Representative images shown in (B). (C and D) Overexpressing the transcription factor ABI5 is sufficient to significantly increase callose deposition at PD compared to mock controls (35SPRO:GFP) (n ≥ 27, P < 10−7). (E and F) Silencing ABI5 is sufficient to reduce callose deposition at PD compared to mock controls (n ≥ 16, P < 10−1). Oppositely, silencing DSE1 increases PD callose, as expected (n ≥ 27, P < 10−7). (G) Glucose-TOR-ABI5 signaling induces PDCB1 and PDCB2 expression. Wild-type (WS) and abi5-1 mutant seedlings were grown to quiescence and then supplied with glucose or glucose and Torin2. mRNA levels of ABI5, PDCB1, and PDCB2 were then quantified using RT-dPCR. (H) Model summarizing how TOR can reduce PD transport by driving callose deposition at PD through a PP2A-ABI5- PDCB1/2 signaling axis. a.u., arbitrary units.
September 7, 2026 at 3:33 PM
tenuretracker.bsky.social
Extract: This PhD position is part of an ERC project within the Laboratoire de Biogenèse Membranaire, focusing on the plasmodesmata network in plants.
September 4, 2026 at 4:26 PM
theplantcell.bsky.social
Plasmodesmata display dynamic local and systemic redox responses during plant stress (Niraj Kumar Vishwakarma , Md Abdur Razzak , Vishnu Mishra , Timothy Chaya , Jeffrey L Caplan , Jung-Youn Lee) doi.org/10.1093/plce... #PlantScience @aspbofficial
Plasmodesmata display dynamic local and systemic redox responses during plant stress
Abstract. Hydrogen peroxide (H2O2) is a potent reactive oxygen species that plays a crucial role as a versatile signaling molecule for cellular function an
doi.org
August 31, 2026 at 6:30 PM
biorxiv-plants.bsky.social
Distinct subcellular localizations of DUF1218 proteins in Marchantia polymorpha and Nicotiana benthamiana reveal two different plasmodesmata-targeting mechanisms https://www.biorxiv.org/content/10.64898/2026.08.17.745377v1
August 22, 2026 at 3:21 AM
biorxivpreprint.bsky.social
Distinct subcellular localizations of DUF1218 proteins in Marchantia polymorpha and Nicotiana benthamiana reveal two different plasmodesmata-targeting mechanisms https://www.biorxiv.org/content/10.64898/2026.08.17.745377v1
August 22, 2026 at 3:21 AM
mplantpcom.bsky.social
A conserved COBL3-like protein promotes PDLP5-dependent callose accumulation to confer broad-spectrum plasmodesmata-mediated antiviral defense #research #PlantCommunications cell.com/plant-commun...
August 13, 2026 at 8:53 AM
emmanuellebayer.bsky.social
👀 In very close collaboration with Rishi Bhalerao's group , check out our latest work how plasmodesmata act as integrators of temperature cues to prevent premature dormancy break bud tree
➡️ with imaging and data analysis support from the @bic-bordeaux.bsky.social.
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Client Challenge
rdcu.be
January 14, 2026 at 11:59 AM
emmanuellebayer.bsky.social
Plasmodesmata: A new frontier for membrane contact site intercellular communication plantae.org?p=140096
Plasmodesmata: A new frontier for membrane contact site intercellular communication | Plantae
Membrane contact sites (MCSs) serve a critical role in intracellular communication, particularly between organelle membranes, enabling direct molecular transfer. Less clear is the role MCSs play in…
plantae.org
March 19, 2025 at 9:22 AM
emmanuellebayer.bsky.social
👀https://www.sciencedirect.com/science/article/pii/S0960982224016427?dgcid=author
Intercellular communication: Regulation of plasmodesmata
Intercellular channels called plasmodesmata regulate cell–cell communication in plants. A new study now reveals how the levels of phosphatidylinositol…
www.sciencedirect.com
February 25, 2025 at 8:40 AM
emmanuellebayer.bsky.social
Great collaboration with @yvonjaillais.bsky.social 🌱 Plants use membrane contact sites (MCS) for cell-to-cell signaling!
➡️ MCTP tethers & PI4P regulate ER-PM contacts in plasmodesmata, impacting trafficking.
➡️ MCS roles span intra- and intercellular communication.

www.cell.com/cell/abstrac...
Plasmodesmata act as unconventional membrane contact sites regulating intercellular molecular exchange in plants
Plant intercellular communication is regulated via tubular ER-PM membrane contact through PI4P and MCTP protein tethers.
www.cell.com
February 20, 2025 at 3:56 PM
beckerdirk.bsky.social
Bridging the borders… www.sciencedirect.com/science/arti...
Plasmodesmata act as unconventional membrane contact sites regulating intercellular molecular exchange in plants
Membrane contact sites (MCSs) are fundamental for intracellular communication, but their role in intercellular communication remains unexplored. We sh…
www.sciencedirect.com
February 20, 2025 at 4:47 PM
beckerdirk.bsky.social
Plant plasmodesmata bridges form through ER-dependent incomplete cytokinesis | Science www.science.org/doi/10.1126/...
Plant plasmodesmata bridges form through ER-dependent incomplete cytokinesis
Diverging from conventional cell division models, plant cells undergo incomplete division to generate plasmodesmata communication bridges between daughter cells. Although fundamental for plant multice...
www.science.org
November 1, 2024 at 7:42 AM
plantcellphysiol.bsky.social
Making Connections...🖇️

Koh Aoki & Ayako Tsushima offer a compelling insight into interspecific secondary #plasmodesmata and their importance in establishing symplastic connections between #ParasiticPlants and their hosts

#OpenAccess: doi.org/10.1093/pcp/...

#PlantScience
Interspecific secondary plasmodesmata at the parasitic interface
Abstract. Obligate parasitic plants often establish symplastic connections with their hosts. This symplastic continuity is mediated by plasma membrane-line
doi.org
June 1, 2026 at 11:18 AM
plantcellphysiol.bsky.social
An evolutionary connection...

Hsu et al show that certain plasmodesmata properties, such as complexity progression and callose accumulation, evolved in early land plants.

See full paper: doi.org/10.1093/pcp/...

Cover image: callose accumulation at #plasmodesmata in a #Marchantia gemma.
March cover image with caption: Plasmodesmata are important channels that facilitate intercellular communication. However, neither the conservation nor diversification of plasmodesmata among plants has been thoroughly explored. In this issue, Hsu et al. demonstrate that the structure of plasmodesmata in the model liverwort, Marchantia polymorpha, progresses from simple to complex, and that the accumulation of callose (β-1,3-glucan) at plasmodesmata is a conserved feature. Furthermore, they observe that plasmodesmata permeability may be subject to stage-specific or tissue-specific regulation. The cover image shows the accumulation of callose at plasmodesmata in a Marchantia polymorpha gemma directly picked from the gemma cup. The gemma was submerged in Aniline Blue staining solution and imaged under a confocal microscope. The discontinuous signals indicate the positions of plasmodesmata on cell walls between most cells. Photo credit: Kuan-Ju Lu (National Chung Hsing University, Taiwan).
April 30, 2025 at 11:08 AM
plantcellphysiol.bsky.social
Making connections…🖇️

Hsu et al. report a detailed spatiotemporal characterisation of #plamodesmata in #Marchantia, with evidence pointing to complexity progression & callose accumulation having evolved before vascular & non-vascular plants diverged

📖 doi.org/10.1093/pcp/...

#PlantScience
Exploring The Formation And Permeability Of Plasmodesmata In The Liverwort, Marchantia polymorpha
Abstract. Plasmodesmata are cell-wall-embedded channels that evolved in the common ancestor of land plants to increase cell-to-cell communication. Whether
doi.org
January 30, 2025 at 12:11 PM
lkalmbach.bsky.social
Paper 🚨!!
Plasmodesmata transport first in both, then only in one direction in roots! Congratulations to Lea and @mariebarberon.bsky.social !!
mplantpcom.bsky.social Molecular Plant & Plant Communications @mplantpcom.bsky.social · Jul 22
A developmental switch controls cell-to-cell transport in roots via pectin-linked plasmodesmata changes #research #MolecularPlant cell.com/molecular-pl...
July 22, 2025 at 7:53 AM
natplants.nature.com
New OA Article: "In situ architecture of plasmodesmata in Physcomitrium resolved by cryo-electron tomography" rdcu.be/fjjiK

Plasmodesmata are gated by cell wall remodelling; helical protein assemblies scaffold internal membranes; implications for molecular filtering.
May 18, 2026 at 10:20 AM