Progress in Botany 68

Review.- Crassulacean Acid Metabolism: Now and Then.- Genetics.- Function of Genetic Material: Progressive Insight into Antimicrobial Peptides and their Transcriptional Regulation.- Function of Genetic Material: Assembly Factors of the Photosynthetic Machinery in Cyanobacteria.- Extranuclear Inheritance: Genetics and Biogenesis of Mitochondria.- Extranuclear Inheritance: Virus-Like DNA-Elements in Yeast.- Population Genetics: Evolutionary Features of Asexual Species.- Plant Breeding: Assessment of Genetic Diversity in Crop Plants and its Exploitation in Breeding.- Plant Breeding: Antisense ODN Inhibition in in vitro spike cultures as a powerful Diagnostic Tool in Studies on Cereal Grain Development.- Physiology.- Characean Algae: Still a Valid Model System to Examine Fundamental Principles in Plants.- Receptors for the Five Classical Plant Hormones.- Spatiotemporal Patterns and Distributed Computation—A Formal Link between CO2 Signalling, Diffusion and Stomatal Regulation.- Plant Haemoglobins, Nitrate and Nitric Oxide: Old Players, New Games.- Living in Day-Night Cycles–Specific Diel Leaf Growth Patterns and the Circadian Control of Photomorphogenesis.- Ecology.- Competitive Networks, Indirect Interactions, and Allelopathy: A Microbial Viewpoint on Plant Communities.- Quaternary Palaeoecology: Isotopes as Valuable Aids in Palaeoecological Research.- Competition for Resources in Trees: Physiological Versus Morphological Plasticity.- Explaining Variation in Fine Root Life Span.