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@plantcellphysiol.bsky.social Oct 6, 2026, 10:54 AM

Another missing link..?

Li, Jin et al. show how #MYB factor (MYB41) is involved in the crosstalk between cell wall mannose & #brassinosteroid signalling pathways, thereby promoting lateral root development in #Mirabilis jalapa

doi.org/10.1093/pcp/...

#PlantSignalling
#PlantHormones
#PlantScience

Proposed model for MirMAN-mediated mannose regulation of lateral root development. MirMAN-mannose activates BR biosynthesis via AtMYB41, which in turn potentiates auxin signaling, ultimately working synergistically to promote root development.
Image taken from Hui Li, Xun Jin, Mengyao Rong, Sitong Guo, Caiyu Yang, Dongxu Wang, Hui Ma, Jingwei Lin, Shuisen Chen, Ming Zhong, Zhifu Guo, Mirabilis jalapa mannanase-mediated mannose promotes root development in Arabidopsis via the MYB41-DWF4 module regulating brassinosteroid signaling pathways, Plant and Cell Physiology, Volume 67, Issue 9, September 2026, Pages 1489–1502, https://doi.org/10.1093/pcp/pcag053

@plantcellphysiol.bsky.social Sep 22, 2026, 8:58 AM

Divide and conquer..🌿

Kawamura et al. show that plant-specific SABATH #methyltransferases independently acquired developmental regulatory roles (in part acting via the #gibberellin pathway) in #Marchantia via parallel evolution

🔗 doi.org/10.1093/pcp/...

#PlantScience
#PlantHormones
#PlantEvoDevo

Phylogenetic tree of SABATH family proteins in plants, with the MpSABATH proteins shown in dark blue. Image taken from Figure 1d of Shogo Kawamura, Eita Shimokawa, Maika Ito, Isuzu Nakamura, Takehiko Kanazawa, Megumi Iwano, Rui Sun, Yoshihiro Yoshitake, Shohei Yamaoka, Shinjiro Yamaguchi, Takashi Ueda, Misako Kato, Takayuki Kohchi, A SABATH family enzyme regulates development in part via the gibberellin-related pathway in the liverwort Marchantia polymorpha, Plant and Cell Physiology, Volume 67, Issue 8, August 2026, Pages 1316–1327, https://doi.org/10.1093/pcp/pcag039

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