Aluminum Signaling and Potential Links with Safener-Induced Detoxification in Plants -- Transcriptional Regulation of Al Tolerance in Plants -- Aluminum-Dependent Root Growth Inhibition as Mediated by DNA Damage Responses -- Signaling Pathways of Aluminum-induced Programmed Cell Death in Higher Plants -- Mechanisms of Hyper-resistance and Hyper-tolerance to Aluminum in Plants -- Significant Role of the Plasma Membrane Lipid Bilayers in Aluminum Tolerance of Plants -- Breeding for Al Tolerance by Unravelling Genetic Diversity in Bread Wheat -- Rice Arsenal Against Aluminum Toxicity -- The Molecular Physiology and Regulation of Aluminum Resistance in Higher Plants -- Physiological and Molecular Regulation of Aluminum Resistance in Woody Plant Species -- Diversity of Arbuscular Mycorrhizal Fungi in Acidic Soils and Their Contribution to Aluminum Phytotoxicity Alleviation -- Specificity of Ion Uptake and Homeostasis Maintenance During Acid and Aluminium Stresses -- Aluminium-Induced Inhibition of Root Growth - Roles of Cell Wall Assembly, Structure and Function.