Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/ijms22052658
Keywords
lipid messengers; phosphatidic acid; phospholipase C; phospholipase D; sphingholipids; lysophospholipids
Funding
- Facultad de Ingenieria Quimica, Universidad Autonoma de Yucatan
- Centro de Investigacion Cientifica de Yucatan
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Plants have developed mechanisms to process extracellular signals through transient molecules known as second messengers, which can modulate physiological responses and gene expression under stress conditions. Recent research has focused on the molecular mechanisms of lipid second messengers in response to osmotic stress, highlighting their ability to recruit target proteins to the membrane and affect protein function.
Plants are subject to different types of stress, which consequently affect their growth and development. They have developed mechanisms for recognizing and processing an extracellular signal. Second messengers are transient molecules that modulate the physiological responses in plant cells under stress conditions. In this sense, it has been shown in various plant models that membrane lipids are substrates for the generation of second lipid messengers such as phosphoinositide, phosphatidic acid, sphingolipids, and lysophospholipids. In recent years, research on lipid second messengers has been moving toward using genetic and molecular approaches to reveal the molecular setting in which these molecules act in response to osmotic stress. In this sense, these studies have established that second messengers can transiently recruit target proteins to the membrane and, therefore, affect protein conformation, activity, and gene expression. This review summarizes recent advances in responses related to the link between lipid second messengers and osmotic stress in plant cells.
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