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In the past decade, many plant genomes have been completely sequenced ranging from unicellular alga to trees. This rich resource of information raises questions like: How did specific transporters evolve as early plants adapted to dry land? How did the evolution of transporters in monocot plants differ from that in dicots? What are the functional orthologs in food and energy crops of transporters characterized in model plants? How do we name the new genes/proteins? Phylogenetic analyses of transport proteins will shed light on these questions and potentially reveal novel insights for future studies to understand plant nutrition, stress tolerance, biomass production, signaling and development.
The low productivity of the rice-wheat cropping system in Nepal is associated with a low efficiency of applied mineral N in rice. The aquatic fern Azolla was used to reduce N losses via ammonia volatilization from the flooded lowland rice in farmers' field conditions in Nepal. The Azolla cover changed the floodwater chemistry, thus reducing ammonia volatilization losses. The use of Azolla in combination with Urea increased rice yields by 15% and reduced urea-N losses from 17-38% to 2-8%. A combined use of Azolla and urea is a viable option to enhance the productivity of rice-wheat systems in Nepal.
Plants have evolved with a complex array of signaling molecules to facilitate their growth and development and their interactions with the environment. A vast number of different peptide molecules form an important but until recently often overlooked component amongst these signaling molecules. Plant peptide signals are involved in regulating meristem growth and organogenesis, modulating plant growth and homeostatic responses. They also have important roles as signals of imminent danger or pathogen attack. This volume focuses on the roles of various peptide signaling molecules in development, defence and homeostasis. As it is likely that further plant peptide signaling molecules remain to be discovered, the last section takes a practical look at methods to identify new peptides and characterise their functions.
This book is a printed edition of the Special Issue "Plant Proteomic Research" that was published in IJMS