Recombinant Tobacco Osmotin protein (His tag)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Osmotin also known as osmotin protein is a plant protein with a molecular mass around 24 kDa. It is a part of the pathogenesis-related proteins family and is highly expressed in plant tissues under stress conditions like drought or salinity. Osmotin plays a role in plants' defense mechanisms against pathogens by destabilizing pathogen membranes. It binds to specific receptors on the pathogen surface promoting cellular changes that lead to pathogen growth inhibition.

Biological function summary

Osmotin protein contributes to plant stress tolerance and immune responses. This protein can form part of larger complexes involved in both cellular protection and signaling pathways. In addition to its direct pathogen interaction osmotin stabilizes plant cell structures helping them retain function during stress situations. It provides a versatile mechanism allowing plants to survive in challenging environments enhancing longevity and resistance.

Pathways

The osmotin protein interacts with cellular signaling cascades related to plant stress responses. It is significantly involved in the abscisic acid (ABA) signaling pathway and engages with other proteins like ABA receptors. These interactions modulate the expression of additional stress-responsive genes enhancing the plant's adaptive capabilities. Osmotin facilitates cross-talk between different pathways resulting in a coordinated defense and stress response.

Researchers have explored osmotin's structural resemblance to human adiponectin a protein implicated in metabolic disorders such as diabetes and obesity. This resemblance suggests potential cross-functionality or mimicry in therapeutic applications. Additionally osmotin's role as a pathogenesis-related protein hints at possible connections with diseases involving immune dysregulation. Researchers continue to explore osmotin's broader implications in disease contexts to uncover possible therapeutic targets or interventions.