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Dirk Becker

@beckerdirk.bsky.social

Molecular Plant Physiology, Ion Channels, Transport and Signaling

136 Followers  |  176 Following  |  37 Posts  |  Joined: 30.10.2024  |  2.1233

Latest posts by beckerdirk.bsky.social on Bluesky

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Transport of phenoxyacetic acid herbicides by PIN-FORMED auxin transporters - Nature Plants PIN transporters are key players in distributing phenoxyacetic acid herbicides. Mutagenesis and cryo-EM structures elucidate substrate specificity and transport mechanisms, paving the way for improved...

Congrats to Uli, BjΓΈrn & team! www.nature.com/articles/s41...

26.04.2025 05:15 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Planting Genomes in the Wild: Arabidopsis From Genetics History to the Ecology and Evolutionary Genomics Era | Annual Reviews The genetics model system Arabidopsis thaliana (L.) Heynh. lives across a vast geographic range with contrasting climates, in response to which it has evolved diverse life histories and phenotypic ada...

Excited to share my first first-author paper! 🌱🧬 'Planting Genomes in the Wild: Arabidopsis From Genetics History to the Ecology and Evolutionary Genomics Era' with Dr. Megan Ruffely and @mexpositoalonso.bsky.social

doi.org/10.1146/annu...

#PlantScience #Genomics #Arabidopsis #EvoEco

25.02.2025 19:53 β€” πŸ‘ 34    πŸ” 15    πŸ’¬ 2    πŸ“Œ 1
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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…

Bridging the borders… www.sciencedirect.com/science/arti...

20.02.2025 16:47 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The Marchantia polymorpha pangenome reveals ancient mechanisms of plant adaptation to the environment - Nature Genetics Pangenome analyses of 133 wild accessions of the model bryophyte Marchantia polymorpha identify adaptive features and provide insights into the mechanisms of plant adaptation to the terrestrial enviro...

Amazing! Congrats… www.nature.com/articles/s41...

18.02.2025 07:34 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Check out our new study! We show that Arabidopsis uses the EDS1-SAG101-NRG1 node to trigger rapid yet contained cell death. Key finding: NRG1C variant regulates this process by competing with functional NRG1s. Amazing collaboration between Jijie Chai and Parker Labs.
www.nature.com/articles/s41...

13.02.2025 11:09 β€” πŸ‘ 28    πŸ” 27    πŸ’¬ 1    πŸ“Œ 1
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A bi-kinase module sensitizes and potentiates plant immune signaling Mutual activation of a Ca2+ sensing bi-kinase module potentiates NADPH oxidase activation to facilitate systemic immunity.

Read for the weekend…
A bi-kinase module sensitizes and potentiates plant immune signaling | Science Advances www.science.org/doi/10.1126/...

07.02.2025 06:47 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A green lifetime biosensor for calcium that remains bright over its full dynamic range

πŸ“œ A green lifetime biosensor for calcium that remains bright over its full dynamic range

πŸ§‘β€πŸ”¬ Franka H van der Linden, @joachimgoedhart.bsky.social, et al.

πŸ“” @elife.bsky.social

πŸ”— elifesciences.org/reviewed-pre...

#️⃣ #Microscopy #Calcium #Biosensor #Bioimaging #Fluorophores

06.02.2025 07:15 β€” πŸ‘ 12    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0
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Chemical genetics reveals cross-regulation of plant developmental signaling by the immune peptide-receptor pathway A small compound uncovers the MAP kinase homeostasis–based signal specificity between plant development and immunity.

Chemical genetics reveals cross-regulation of plant developmental signaling by the immune peptide-receptor pathway | Science Advances www.science.org/doi/10.1126/...

06.02.2025 07:31 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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MIZ1 regulates ECA1 to generate a slow, long-distance phloem-transmitted Ca2+ signal essential for root water tracking in Arabidopsis | PNAS Ever since Darwin postulated that the tip of the root is sensitive to moisture differences and that it “transmits an influence to the upper adjoini...

Novel insights in plant hydrotropism www.pnas.org/doi/10.1073/...

04.02.2025 06:48 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Leveraging light-gated channelrhodopsins for strengthening plant physiological responses Strengthening plant physiological traits is crucial for sustainable plant improvement. The underlying molecular mechanisms of rhodopsin-based plant improvement remain largely unknown. However, a recen...

Leveraging light-gated channelrhodopsins for strengthening plant physiological responses: Trends in Plant Science www.cell.com/trends/plant...

02.02.2025 08:02 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Plant roots sense soil compaction through restricted ethylene diffusion | Science www.science.org/doi/full/10....

28.01.2025 14:52 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Congrats!

28.01.2025 08:17 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Calcium-dependent protein kinases CPK3/4/6/11 and 27 respond to osmotic stress and activate SnRK2s in Arabidopsis Osmotic stress triggers the transient elevation of cytosolic Ca2+ levels and the rapid activation of SnRK2 protein kinases. Li and Hu etΒ al. show the critical roles of CPK3/4/6/11/27 in decoding Ca2+ ...

Calcium-dependent protein kinases CPK3/4/6/11 and 27 respond to osmotic stress and activate SnRK2s in Arabidopsis: Developmental Cell www.cell.com/developmenta...

23.01.2025 07:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

The German Society for Plant Sciences (Deutsche Botanische Gesellschaft DBG) is now on Bluesky 🌱
#PlantScience
@plantsciencedbg.bsky.social

11.01.2025 16:04 β€” πŸ‘ 41    πŸ” 14    πŸ’¬ 0    πŸ“Œ 0
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Sometimes the grass is indeed greener – and the sky is blue!
We are ending activities on X and joining bluesky.

➑️https://go.uniwue.de/exit
➑️https://idw-online.de/de/news845520

10.01.2025 09:30 β€” πŸ‘ 160    πŸ” 31    πŸ’¬ 7    πŸ“Œ 7

The Nobori Masterpiece is out! What a nice interpretation of complex datasets. Congratulations @tatsuyanobori.bsky.social and team!

09.01.2025 08:50 β€” πŸ‘ 10    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
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Calcium-triggered apoplastic ROS bursts balance gravity and mechanical signals to navigate soil Reactive oxygen species (ROS) have been implicated repeatedly in multiple signaling processes in plants but the underlying mechanisms and roles remain enigmatic. Here, we developed live imaging of apo...

and from the same lab including some esteemed colleagues from Wuerzburg...
#ionchannels involved on root #Calcium dependent #ROS signaling #optogenetics
doi.org/10.1101/2025...

09.01.2025 10:26 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Armadillo Repeat Only Proteins Are Crucial for the Function of Plant CNGC Channels Plant cells respond to a wide range of stimuli through intracellular calcium (Ca2+) signaling. Cyclic nucleotide-gated channels (CNGCs) are a major class of plant Ca2+ channels, with 20 homologs in Ar...

new insights into #CNGC regulation... #PlantScience, #ionchannels doi.org/10.1101/2025...

09.01.2025 10:13 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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40 years ago all of Genbank was published in print form by NAR. The same format today would require over 4 light seconds of shelf space. To a year of progress in 2025.

29.12.2024 09:50 β€” πŸ‘ 566    πŸ” 217    πŸ’¬ 15    πŸ“Œ 25
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Announcing a curated collection of long-read genomes for Arabidopsis thaliana: The 1001 Genomes Plus Project. Currently 453 unique accessions/almost 600 assemblies.
Interested in contributing? Please contact us!
#plantscience
www.biorxiv.org/content/10.1...

27.12.2024 07:51 β€” πŸ‘ 128    πŸ” 91    πŸ’¬ 2    πŸ“Œ 0
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SnRK1Ξ±1-mediated RBOH1 phosphorylation regulates reactive oxygen species to enhance tolerance to low nitrogen in tomato A kinase and an NADPH oxidase mediate reactive oxygen species production, which enhances the expression of two nitrate transporter genes and promotes nitra

#SnRK1 regulates nitrate uptake #PlantScience academic.oup.com/plcell/advan...

23.12.2024 09:36 β€” πŸ‘ 2    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

NEWS & VIEWS: You can have it all: How the interplay between SnRK1 and RBOH1 promotes nitrate uptake in tomato (Margot Raffeiner)

23.12.2024 09:10 β€” πŸ‘ 6    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

With this news in mind, I am happy to announce we are recruiting a postdoc or PhD student with expertise in Plant Microbiology. Come join us in sunny Freiburg ! Please share far and wide, thank you, and happy holidays! 🌲

#plantscience #phd

www.hartman-plantlab.com/post/we-re-r...

20.12.2024 12:28 β€” πŸ‘ 36    πŸ” 31    πŸ’¬ 2    πŸ“Œ 4
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A common immune response node in diverse plants Small molecules activate a defense mechanism shared by all flowering plants

Great to be able to comment with Jeff Dangl on a couple of important papers published today in Science www.science.org/doi/10.1126/...

20.12.2024 09:46 β€” πŸ‘ 60    πŸ” 32    πŸ’¬ 3    πŸ“Œ 2

News from #SnRk1. #PlantScience

20.12.2024 07:07 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Check out our latest pre-print where we used our ASP-#SPARK #sensor to unveil #SnRK1's multifaceted role during #plant growth and #development! bit.ly/49JVZrY
Including real-time #spatiotemporal visualization of SnRK1 activity in a growing #Arabidopsis root! πŸ˜€

19.12.2024 15:41 β€” πŸ‘ 35    πŸ” 17    πŸ’¬ 2    πŸ“Œ 2
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Do you want to know how to live-image internal floral organs with confocal microscope for up to 2 weeks?
Check out our protocol:
bio-protocol.org/en/bpdetail?...
#Arabidopsis #Flower

18.12.2024 13:24 β€” πŸ‘ 130    πŸ” 40    πŸ’¬ 2    πŸ“Œ 3

We are looking for a new colleague :)

Please spread the word!

17.12.2024 14:04 β€” πŸ‘ 16    πŸ” 22    πŸ’¬ 1    πŸ“Œ 0

Engineering source-sink relations by prime editing confers heat-stress resilience in tomato and rice www.cell.com/cell/abstrac...

14.12.2024 06:37 β€” πŸ‘ 14    πŸ” 5    πŸ’¬ 0    πŸ“Œ 1

#PlantSciences #CalciumSignaling High humidity induces CNGC2- and CNGC4-mediated increases in cytosolic Ca2+ concentrations www.pnas.org/doi/10.1073/...

14.12.2024 08:11 β€” πŸ‘ 5    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

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