The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions

Heavy metal stress (HMS) is one of the most destructive abiotic stresses which seriously affects the growth and development of plants. Recent studies have shown significant progress in understanding the molecular mechanisms underlying plant tolerance to HMS. In general, three core signals are involv...

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Main Authors: Danxia Wu, Muhammad Saleem, Tengbing He, Guandi He
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Membranes
Subjects:
Online Access:https://www.mdpi.com/2077-0375/11/12/984
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author Danxia Wu
Muhammad Saleem
Tengbing He
Guandi He
author_facet Danxia Wu
Muhammad Saleem
Tengbing He
Guandi He
author_sort Danxia Wu
collection DOAJ
description Heavy metal stress (HMS) is one of the most destructive abiotic stresses which seriously affects the growth and development of plants. Recent studies have shown significant progress in understanding the molecular mechanisms underlying plant tolerance to HMS. In general, three core signals are involved in plants’ responses to HMS; these are mitogen-activated protein kinase (MAPK), calcium, and hormonal (abscisic acid) signals. In addition to these signal components, other regulatory factors, such as microRNAs and membrane proteins, also play an important role in regulating HMS responses in plants. Membrane proteins interact with the highly complex and heterogeneous lipids in the plant cell environment. The function of membrane proteins is affected by the interactions between lipids and lipid-membrane proteins. Our review findings also indicate the possibility of membrane protein-lipid-metal ion interactions in regulating metal homeostasis in plant cells. In this review, we investigated the role of membrane proteins with specific substrate recognition in regulating cell metal homeostasis. The understanding of the possible interaction networks and upstream and downstream pathways is developed. In addition, possible interactions between membrane proteins, metal ions, and lipids are discussed to provide new ideas for studying metal homeostasis in plant cells.
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spelling doaj.art-c20cfd35702f4109973398df6600552d2023-11-23T09:30:49ZengMDPI AGMembranes2077-03752021-12-01111298410.3390/membranes11120984The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal IonsDanxia Wu0Muhammad Saleem1Tengbing He2Guandi He3College of Agricultural, Guizhou University, Guiyang 550025, ChinaDepartment of Biological Sciences, Alabama State University, Montgomery, AL 36104, USACollege of Agricultural, Guizhou University, Guiyang 550025, ChinaCollege of Agricultural, Guizhou University, Guiyang 550025, ChinaHeavy metal stress (HMS) is one of the most destructive abiotic stresses which seriously affects the growth and development of plants. Recent studies have shown significant progress in understanding the molecular mechanisms underlying plant tolerance to HMS. In general, three core signals are involved in plants’ responses to HMS; these are mitogen-activated protein kinase (MAPK), calcium, and hormonal (abscisic acid) signals. In addition to these signal components, other regulatory factors, such as microRNAs and membrane proteins, also play an important role in regulating HMS responses in plants. Membrane proteins interact with the highly complex and heterogeneous lipids in the plant cell environment. The function of membrane proteins is affected by the interactions between lipids and lipid-membrane proteins. Our review findings also indicate the possibility of membrane protein-lipid-metal ion interactions in regulating metal homeostasis in plant cells. In this review, we investigated the role of membrane proteins with specific substrate recognition in regulating cell metal homeostasis. The understanding of the possible interaction networks and upstream and downstream pathways is developed. In addition, possible interactions between membrane proteins, metal ions, and lipids are discussed to provide new ideas for studying metal homeostasis in plant cells.https://www.mdpi.com/2077-0375/11/12/984specific transmembrane proteinsprotein-lipid interactionsplant metal homeostasis
spellingShingle Danxia Wu
Muhammad Saleem
Tengbing He
Guandi He
The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
Membranes
specific transmembrane proteins
protein-lipid interactions
plant metal homeostasis
title The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
title_full The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
title_fullStr The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
title_full_unstemmed The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
title_short The Mechanism of Metal Homeostasis in Plants: A New View on the Synergistic Regulation Pathway of Membrane Proteins, Lipids and Metal Ions
title_sort mechanism of metal homeostasis in plants a new view on the synergistic regulation pathway of membrane proteins lipids and metal ions
topic specific transmembrane proteins
protein-lipid interactions
plant metal homeostasis
url https://www.mdpi.com/2077-0375/11/12/984
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