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@coeplantsuccess.bsky.socialOct 1, 2026, 12:51 AM

📢 New publication 'Linking #drought strategy to climate-of-origin in a widespread #C4 grass: hydraulic traits, #xylem anatomy and stomatal behaviour in Themeda triandra' by @vin-jacob.bsky.social et al. in @newphyt.bsky.social 🧪

doi.org/10.1111/nph....

@plantcellphysiol.bsky.socialSep 25, 2026, 12:27 PM

Lost in Translation...

Nishii et al show that thermospermine-dependent thiolation of tRNA is important for #xylem development as it influences upstream open reading frame (uORF)-mediated translational control of key developmental regulators

doi.org/10.1093/pcp/...

#PlantDevelopment
#PlantScience

Graphical abstract showing how thermospermine-dependent thiolation of tRNA influences upstream open reading frame (uORF)-mediated translational control of key developmental regulators (LHW and SACL3). 
Image taken from: Yuichi Nishii, Daichi Araki, Mitsuru Saraumi, Taku Takahashi, Involvement of tRNA thiolation in uORF-mediated translational regulation during Xylogenesis in Arabidopsis thaliana, Plant and Cell Physiology, Volume 67, Issue 8, August 2026, Pages 1346–1355, https://doi.org/10.1093/pcp/pcag055
@wendelvandersluis.bsky.socialSep 24, 2026, 10:32 AM

The authors provide direct evidence of water-filled but hydraulically isolated xylem vessels in two temperate tree species, challenging the simple distinction between functional and non-functional vessels and reveal previously overlooked complexity in #Xylem organization.

🔗 doi.org/10.1163/2294...

@wendelvandersluis.bsky.socialSep 24, 2026, 10:32 AM

🌳 Two new OA articles, two fresh perspectives on wood anatomy – now published in the IAWA Journal.

From #AI-powered growth ring detection to a closer look at how water moves through #Xylem, these studies show how new tools and approaches can reveal surprising details in wood structure and function.

@plantcellphysiol.bsky.socialSep 21, 2026, 8:58 AM

Wood ya look at that?! 🪵

Natalia Wojciechowska & colleagues have identified two biosynthetic enzymes of the #JasmonicAcid pathway that promote #xylem development in #poplar trees, thus providing evidence for hormonal control of wood formation🌳

doi.org/10.1093/pcp/...

#PlantScience

Figure showing two bar charts comparing inflorescence stem anatomy between WT and joxQ mutant of A. thaliana. Panels c-h show Arabidopsis thaliana stem sections at S3 stage and stained with toluidine blue before observation under a microscope. Image taken from figure 7 of Natalia Wojciechowska, Maciej Janicki, Katarzyna Marzec-Schmidt, Thierry Heitz, Magdalena Ślachetka, Agnieszka Ludwików, Agnieszka Bagniewska-Zadworna, Functional insights into a putative 2-OG oxygenase involved in jasmonic acid metabolism and xylem development in Populus trichocarpa, Plant and Cell Physiology, Volume 67, Issue 8, August 2026, Pages 1299–1315, https://doi.org/10.1093/pcp/pcag035
@plantcellphysiol.bsky.socialSep 8, 2026, 11:37 AM

How is leaf size regulated?🥬

Monden et al. reveal a novel mechanism by which an AHK3–CKX4 module governs root to shoot #xylem transport of trans-zeatin-type cytokinins, thereby fine-tuning leaf size according to root nitrate status

doi.org/10.1093/pcp/...

#PlantScience
#Phytohormones
#RootBiology

Proposed schematic model for xylem tZ-type CK transport controlled by AHK3 in response to nitrate signaling. Root-expressed AHK3 modulates the xylem tZ-type CK transport, thereby controlling the CK response and growth in leaves. Taken from Figure 8 of Kota Monden, Takamasa Suzuki, Mikiko Kojima, Yumiko Takebayashi, Takehiro Kamiya, Takatoshi Kiba, Hitoshi Sakakibara, Tsuyoshi Nakagawa, Takushi Hachiya, Cytokinin receptor AHK3 influences leaf size by modulating trans-zeatin-type cytokinin levels in xylem, Plant and Cell Physiology, Volume 67, Issue 7, July 2026, Pages 1237–1251, https://doi.org/10.1093/pcp/pcag052