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@milanzupunski.bsky.socialOct 14, 2026, 5:19 PM

What if we could start reverse-engineering signaling from calcium fingerprints? Our new preprint takes a step in that direction, in Arabidopsis roots. #plantscience #calcium #arabidopsis

@tairnews.bsky.socialOct 13, 2026, 4:00 PM

#TAIR12 was made possible by nearly 100 volunteers in labs all over the world, who generously donated their time and expertise. Get to know one of them: Manoj Sapkota of the University of Kentucky 🧪

bit.ly/47jhmjz

@universityofky.bsky.social #plantscience #plantbiology #biology #arabidopsis #TAIR

@jipb.bsky.socialOct 11, 2026, 1:33 PM

Liao et al. identify CycC1;1 as a -ve regulator of JA-induced #leaf senescence in #Arabidopsis, physically interacting with MYC2 in the nucleus to inhibit MYC2-mediated transcriptional activation of senescence-associated #genes.
doi.org/10.1111/jipb...
@wileylifesci.bsky.social
#PlantSci

@laravdijck.bsky.socialOct 8, 2026, 5:22 PM

Have a look at this very cool story!
#iron
#PGPR
#Arabidopsis

@monashbiol.bsky.socialOct 8, 2026, 6:45 AM

What is the role of cell-wall-modifying enzymes in hypocotyl elongation? A recent study by Yue Liu and colleagues with #Arabidopsis has linked environmental signalling to the cell wall biosynthetic machinery required for hypocotyl elongation nph.onlinelibrary.wiley.com/doi/10.1111/...

@tairnews.bsky.socialOct 7, 2026, 10:21 PM

Join us for a live feedback session on the #TAIR chatbot later this month. 🧪

To get involved:

🔸 Fill out the pre-meeting survey: bit.ly/4rPBraw
🔸 Vote on a meeting time: bit.ly/3TGrdgc
🔸 Watch for the final time and Zoom link, then join us

#plantscience #plantbiology #arabidopsis

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@tairnews.bsky.socialOct 7, 2026, 10:21 PM

Six months ago you helped test the alpha version of our #TAIR AI chatbot. Now the beta version is here! 🧪

Try it, and let us know what you think ⤵️ dev.arabidopsis.org/chat

#plantscience #plantbiology #arabidopsis

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@commsbio.nature.comOct 7, 2026, 4:11 PM

In the second, genome-wide ribosome profiling showed that #Arabidopsis plants had a responsive translational mechanism that interacted with transcription in a coordinated manner in a simulated microgravity environment 🌱
doi.org/10.1038/s420...

@aaronrashotte.bsky.socialOct 2, 2026, 1:45 PM

Our latest work (pre-print) on cytokinin is out. We think it is a cool story, hopefully others will as well. #cytokinin #Arabidopsis

@dev-journal.bsky.socialOct 1, 2026, 5:04 PM

Issue 18 is now complete!

Cover: Confocal image of an eight-day-old microcolony cultured from a single #Arabidopsis leaf protoplast, with visualisation of the cell membrane (green) and the nuclei (magenta). See Research Article by Reed, @bas-bargmann.bsky.social et al.

doi.org/10.1242/dev....

Cover: Confocal image of an eight-day-old microcolony cultured from a single Arabidopsis leaf protoplast, with visualization of the cell membrane (green) and the nuclei (magenta). See Research Article by Reed et al. (dev205715).
@plantcellphysiol.bsky.socialSep 29, 2026, 8:57 AM

In need of a trim...?💇‍♂️

Albornos et al. show how alterations in galactose side chains of type II arabinogalactans affects pectin & hemicellulose deposition in #Arabidopsis secondary cell walls, which in turn influences recalcitrance to enzymatic degradation

đź”— doi.org/10.1093/pcp/...

#PlantScience

12 panels showing cross sections of basal floral stem internodes from WT and 35S::βV-Gal.1 and .2 plants. Green GFP signals show immunolocalization of low-methylated HG (LM19), high-methylated HG (LM20), xylan/arabinoxylan (LM11), and glucuronoxylan (LM28) in the different genotypes. Images taken from Figure 6, Lucía Albornos, Paula Iriondo-Ocampo, Iván Campos-Seoane, Berta Dopico, Ignacio Martín, Trimming galactose side chains of arabinogalactan proteins alters pectin and hemicellulose deposition in secondary cell walls of Arabidopsis thaliana floral stem internodes, Plant and Cell Physiology, Volume 67, Issue 8, August 2026, Pages 1385–1398, https://doi.org/10.1093/pcp/pcag060
@plantcellphysiol.bsky.socialSep 28, 2026, 5:22 PM

Short cuts....✂️

Niwa et al demonstrate the requirement of an #Arabidopsis TITAN-like gene in U12-type splicing of introns starting with AT and ending in AC, which is homologous to #Human centrosomal AT–AC splicing factor #CENATAC

doi.org/10.1093/pcp/...

#PlantScience
#IntronSplicing

@plantevolution.bsky.socialSep 28, 2026, 10:03 AM

Cool new work from @thanvisrikant.bsky.social & @kbomblies.bsky.social: Chromosomes in #Arabidopsis thaliana neo-polyploids break preferentially at fragile sites that correspond to ancient genome rearrangements
#plantscience
www.biorxiv.org/content/10.6...

Detection and analyses of aneuploidies in neo-tetraploid A. thaliana. (A) Schematic representation of how neo-tetraploid F1 were generated through reciprocal crossing of Col-0 and Ler neo-tetraploid inbreds. See Figure S1A for more details. (B-D) Examples of aneuploidy detection using sequencing coverage data from three F1 individuals, “Cross_3_Plant_32”, “Cross_3_Plant_25” and “Cross_38_Plant_01”, respectively (Figure S2, S3). The upper panels show aneuploidy detection using a read-coverage approach and the lower panels show a variant-calling based approach. The Ler chromosomes are indicated as L1-L5 (orange) and Col- 0 chromosomes are indicated as C1-C5 (blue). In both panels, every data point represents a mean value (normalised read coverage / allele frequency) in a 100kb window of the genome. For the upper panels, sequencing data are mapped to an in-silico hybrid genome that combines TAIR10.1 (Col-0) and Ler. For the lower panels, the sequencing data are mapped to a Ler reference genome. (B) Data from a euploid individual with normalised coverage consistent with two copies of each maternally and paternally inherited chromosome (upper panel), and allele frequencies clustering around 0.5 when mapped to a Ler reference genome (lower panel). (C) Data from an individual affected by a full-length aneuploidy – a loss of one Chromosome 2 copy from Col-0, resulting in a drop in coverage (upper panel) and sharp changes in allele frequency (lower chromosome) for Chr2. (D) Data from an individual affected by a segmental loss of part of Chromosome 4 from the Ler parent.
@jpschnitzler.netSep 22, 2026, 1:13 PM

'Muster / Pattern' #FotoVorschlag
Was wissenschaftliches….
Alle ähnlich, aber doch nicht gleich…
#Phänotypen des Ackerschmalwand ( #Arabidopsis thaliana), der Modellpflanze in den #Pflanzenwissenschaften

#PlantScience #Phenotyping

Aufsicht auf kleine Töpfe mit jeweils einer Rosettenpflanze darin. Jede Pflanze ist etwas anders in Größe, Farbe und Wuchsform.
@dev-journal.bsky.socialSep 22, 2026, 11:49 AM

AS2 keeps the #Arabidopsis leaf flat and stress-free

This Research Highlight showcases work by Ayami Nakagawa, Chiyoko Machida and colleagues.

journals.biologists.com/dev/article/...

AS2 and TOP1α repress the KRP5/ICK3 gene to promote leaf expansion. (D) Gross morphology of as2-1 top1α-1 and as2-1 top1α-1 krp5-1. Scale bars: 10 mm (5 mm in inset of as2-1 top1α-1). Plants photographed at 22 days after sowing. (E) Frequencies of phenotypes of leaves and plant lethality at 22 DAS.
@tairnews.bsky.socialSep 21, 2026, 4:48 PM

What's new with TAIR12?

The TAIR curatorial team is hard at work integrating the latest TAIR12 updates into the live TAIR database and toolset. 🧪

#PlantScience #PlantBiology #Arabidopsis #TAIR #TAIR12

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@biohackrxiv.fediscience.org.ap.brid.gySep 19, 2026, 7:03 AM

"DBCLS BioHackathon 2026 report: QPX: Pathway analysis environment for non-model organisms" https://doi.org/10.37044/osf.io/7egfm_v1

#biohackathon #pathway #bioinformatics #BH26JP #rice #arabidopsis

"We report progress on Quest for Pathways with eXpression […]

[Original post on fediscience.org]

Part of Figure 1: Arabidopsis-to-rice pathway liftover: whole pathway and N-module detail. The selection shows the "PathLift" arrow between the original Arabidopsis pathway and the new, pathlifted Oryza sativa pathway. They highlighted a complex with a purple line, which is detailed in the bottom part of the original figure.
@yassato.bsky.socialSep 18, 2026, 1:14 PM

I’m happy to contribute to this awesome work! #Herbivore population growth was affected by the epistatic and oligogenic architecture of a plant species. To show this, they quantified the growth rate of #aphids on 390 #Arabidopsis thaliana accessions🌱🧬.

@huckelhovenr.bsky.socialSep 11, 2026, 6:27 AM

#MicroscopyFriday. 3D color-coded Erysiphe cruciferarum growing on the epidermis of #Arabidopsis. The little roundish structures are the haustoria.

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@plosbiology.orgSep 10, 2026, 1:02 PM

The growth of #plant leaves is highly dynamic and should be coordinated, but how is #leaf flatness preserved? @roederlab.bsky.social &co show that global coordination of growth across the leaf blade is required to maintain flatness in #Arabidopsis @plosbiology.org 🧪 buff.ly/QUMxOcF

While WT leaves progressively flatten, jaw-D leaves curve at the base. Gaussian curvature displayed as heatmaps on wildtype (left) and jaw-D mutant (right) leaf meshes. Gaussian curvature represents both the magnitude and direction of curvature such that values further from zero represent greater curvature. Orange arrows indicate high positive curvature that develops at the base of jaw-D leaves. Black scale bars = 200 µm.
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