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This study observed that while calcium influx does not initiate root hairs in Arabidopsis thaliana, it may be crucial for sustaining their elongation through elevated calcium levels at the root hair tip.

Mutations in β1 integrins cause embryonic death but have milder effects on skin.

In this study, researchers found that the efflux of calcium in root hairs of Arabidopsis thaliana, particularly through the ER-localized ACA2 and ACA7, is crucial for modulating cytoplasmic calcium signals and enabling proper root hair growth, with disruptions leading to impaired elongation.

This case report describes a rare association where herpes zoster infection may have triggered the first attack of NMOSD with systemic vasculitis in a patient, suggesting potential overlaps in immunopathogenesis.