Johanna Krahmer
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johannakrahmer.bsky.social
Johanna Krahmer
@johannakrahmer.bsky.social
Assistant Professor at PLEN, University of Copenhagen, plant photobiology, metabolism and sugar transport
Is phytochrome or the circadian clock following me to my patio? The long sunflower variety flowered several weeks before the short one.
September 28, 2025 at 6:48 PM
Reposted by Johanna Krahmer
🔥Postdoc opportunity 🌱

The Legris lab at the University of Neuchâtel 🇨🇭 is looking for a Postdoc to work on the regulation of branching by warm temperatures. If you have a background on plant physiology and development, and you're interested in shoot thermomorphogenesis, apply now!
July 7, 2025 at 9:51 AM
Reposted by Johanna Krahmer
🌱😊 Happy to share my N&Vs @plantphys.bsky.social
I highlight a study showing how light modulates leaf expansion by controlling microtubule orientation.
#PlantBiology #CellMorphogenesis #Microtubules #LightSignaling academic.oup.com/plphys/artic...
Guided by light, microtubules choreograph the directional expansion of cotyledons
In 1880, Charles Darwin and his son Francis observed one of the first clues that light can direct plant growth, describing how young plants sense light at
academic.oup.com
June 24, 2025 at 1:37 PM