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Ions and Pollen Tube Growth
Ions play a crucial role in the control of pollen tube growth. In this review we focus on four that seem especially important: calcium (Ca...
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Comparative Analysis of Biological Models used in the Study of Pollen Tube Growth
The mechanisms of pollen tube growth have been studied in a wide variety of plant species. Since the 1990s, with the explosion of molecular...
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Gametic Embryogenesis in Triticum: a Study of Some Critical Factors in Haploid (Microspore) Embryogenesis
This review of embryogenesis from microspores in two types of wheat examines the influences of various procedures used to induce and produce...
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The Roles of Chromatin Remodelling Factors in Replication
Dynamic changes of chromatin structure control DNA-dependent events, including DNA replication. Along with DNA, chromatin organization must be...
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Structure and Function of Protein Modules in Chromatin Biology
Chromatin-mediated gene transcription or silencing is a dynamic process in which binding of various proteins or protein complexes can displace...
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Comparative genomics and gene finding in fungi
In the spring of 2005, we had access to 18 fully sequenced fungal genomes, and more are coming rapidly. New approaches and methods are being...
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Energy metabolism, anti-oxidant defense and aging in Caenorhabditis elegans
Food restriction and impaired gene function by mutation or RNAi treatment can extend the lifespan of Caenorhabditis elegans considerably. In contrast...
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Do green plants age, and if so, how?
Time-dependent ageing-like processes in green plants are discussed and compared to gerontological changes in animals and other organisms. The...
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Conditional senescence in prokaryotes
Bacteria are immortal in the sense that their capacity for reproduction appears limitless as long as the environment supports growth. However, this...
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10 Sphingosine-1-phosphate metabolism in mammalian cell signalling
Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid metabolite implicated in the regulation of vital biological processes. Ample evidence...
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8 Biosynthesis and compartmentation of triacylglycerol in higher plants
The biosynthesis of storage lipids (triacylglycerols) in higher plants is now known to occur via a number of different routes. These include the...
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Introduction: Lipids: cellular glue...or are they more than that?
Some 40 years ago, there was a rumor in the research community that lipids are the stuff you have to throw away before starting biochemical...
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Zygocin – a monomeric protein toxin secreted by virus-infected Zygosaccharomyces bailii
Zygocin, a protein toxin secreted by virus-infected strains of the osmotolerant spoilage yeast Zygosaccharomyces bailii kills a broad spectrum of...
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Acidophilic structure and killing mechanism of the Pichia farinosa killer toxin SMKT
SMKT, a killer toxin produced by a halotolerant yeast Pichia farinosa that consists of α and β subunits, is generated from a chromosomally encoded...
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Mechanisms and functions of RNA-guided RNA modification
RNA-guided 2’-O-methylations and pseudouridylations occur in several different types of RNAs and in a wide range of organisms. Hundreds of the RNAs...
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Role of the 5’-cap in the biogenesis of spliceosomal snRNPs
The biogenesis of spliceosomal UsnRNPs in higher eukaryotes involves a nucleocytoplasmic shuttling cycle. After transcription and processing in the...
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Um34 in selenocysteine tRNA is required for the expression of stress-related selenoproteins in mammals
Selenium is an essential micronutrient in the diet of mammals and has many health benefits. Selenium-containing proteins are responsible for most, if...
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Modelling signalling pathways – a yeast approach
MAP kinase pathways are conserved signalling systems in eukaryotes that control stress responses, cell growth, and proliferation, as well as...
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G1 Phase: Components, Conundrums, Context
A eukaryotic cell must coordinate DNA synthesis and chromosomal segregation to generate a faithful replica of itself. These events are confined to...
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Metabolic flux analysis: A key methodology for systems biology of metabolism
Genome-wide analyses of mRNA, protein, or metabolite complements of biological systems produce unprecedented data sets. In contrast to such cellular...