Progress in Botany

Ants, Plants and Fungi: A view on some patterns of interaction and diversity.- ABA as a Universal Plant Hormone.- Reduced genomes from parasitic plant plastids: templates for minimal plastomes? Nucleotides and nucleosides: transport, metabolism and signaling function of extracellular ATP.- Regulation of PPi Levels Through the Vacuolar Membrane H+-pyrophosphatase.- Interactions Between Nutrients and Crassulacean Acid Metabolism.- Guttation: Quantification, Microbiology and Implications for Phytopathology.- Adaptation of rice to flooded soils.- Physiological mechanisms of flooding tolerance in rice: transient complete submergence and prolonged standing water between 0.3 to over 3 m.- Beyond Mutualism: Complex Mycorrhizal Interactions.- Ecology of Phreatophytes.- Some like it hot - are desert plants indifferent to climate change?