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Updated: Aug 22, 2025
09:01
Extraction and Quantification of Soluble, Radiolabeled Inositol Polyphosphates from Different Plant Species using SAX-HPLC
Published on: June 26, 2020
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Myo-D-inositol Trisphosphate Signalling in Oomycetes
Indu Muraleedharan Nair1,2, Emma Condon1,2, Barbara Doyle Prestwich2
1Department of Physiology, School of Medicine, University College Cork (UCC), T12 YT20 Cork, Ireland.
Microorganisms
|November 11, 2022
Summary
Oomycetes cause significant agricultural losses. This study reveals oomycetes have unique myo-inositol 1,4,5 trisphosphate signaling pathways, differing from other eukaryotes, offering potential new targets for pathogen control.
Area of Science:
- * Molecular biology
- * Plant pathology
- * Biochemistry
Background:
- * Oomycetes are destructive plant and animal pathogens, causing substantial global economic damage.
- * Phytophthora infestans, an oomycete, is infamous for causing late blight in tomatoes and potatoes.
- * Understanding oomycete physiology offers avenues for developing targeted control strategies.
Purpose of the Study:
- * To investigate the molecular mechanisms of myo-inositol 1,4,5 trisphosphate signaling in oomycetes.
- * To compare oomycete signaling pathways with those found in other eukaryotic organisms.
- * To identify potential targets for selective oomycete pathogen control.
Main Methods:
- * Bioinformatic analysis of oomycete genomes.
- * Comparative molecular biology approaches.
- * Investigation of signaling pathway components.
Main Results:
- * Oomycetes exhibit distinct myo-inositol 1,4,5 trisphosphate signaling pathways compared to other eukaryotes.
- * Several oomycete species lack phosphoinositide-specific phospholipase C homologues, crucial for second messenger generation.
- * Oomycetes retain components related to myo-inositol 1,4,5 trisphosphate-gated calcium channels.
Conclusions:
- * Oomycete myo-inositol 1,4,5 trisphosphate signaling pathways present unique features.
- * The absence of key phospholipase C enzymes suggests alternative mechanisms for second messenger production in oomycetes.
- * These differences may represent novel targets for developing selective oomycete control agents.
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