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Modeling Calcium Waves
We present an introduction to the mathematics of calcium waves, both intracellular and intercellular. After a discussion of the earlier models I... -
Regulation of IP 3 Receptors by IP 3 and Ca 2+
Inositol 1,4,5-trisphosphate ( IP 3) receptors are intracellular Ca 2+ channels that mediate release of Ca 2+ from intracellular stores. The channels... -
Hormone-Mediated Intercellular Calcium Signalling in an Insect Salivary Gland – Pathways and Mechanisms
The salivary glands of the blowfly Calliphora vicina are a favourable preparation for investigations into spatio-temporal Ca 2+ dynamics in an intact... -
From Simple to Complex Ca 2+ Oscillations: Regulatory Mechanisms and Theoretical Models
Intracellular Ca 2+ oscillations most often appear as regular spikes. However, complex Ca 2+ oscillations in the form of bursting or chaos have also... -
11 Plant sphingolipids
Plants contain a multiplicity of sphingolipid metabolites, such as long-chain bases, long-chain base phosphates, ceramides, glycosylceramides,... -
5 Sterol metabolism and functions in higher plants
Higher plants synthesize a bewildering array of sterols, with sitosterol, stigmasterol, and 24-methylcholesterol as major compounds. All plant... -
6 Sterol biochemistry and regulation in the yeast Saccharomyces cerevisiae
Saccharomyces cerevisiae has been a major model system for the study of sterol biosynthesis and function. All of the genes encoding the enzymes... -
7 Mammalian ACAT and DGAT2 gene families
Mammalian isozymes of ACAT, DGAT, and MGAT are encoded by the ACAT and DGAT2 gene families. These enzymes catalyze the synthesis of neutral lipid... -
Aging and mitochondrial dysfunction in the filamentous fungus Podospora anserina
In the filamentous fungus Podospora anserina, mitochondria play a paramount role in life span control and aging. During aging, these organelles... -
The human Werner Syndrome as a model system for aging
The aging process is one of the most challenging biological pathways to understand. Applications of model systems for aging have contributed... -
Aging and the programmed death phenomena
Biochemical mechanisms of the programmed death phenomena are considered at levels of unicellular organisms, mitochondria, cells, groups of cells, and... -
Cholera toxin: mechanisms of entry into host cells
Cholera toxin moves from the plasma membrane to the ER of host cells to cause disease. Trafficking in this pathway depends on toxin binding to... -
The Ustilago maydis killer toxins
Killer toxins are small proteins secreted by a number of fungi that are lethal to susceptible cells (generally fungi of the same or related species).... -
The Construction and Operation of Anion Sensors: Current Status and Future Perspectives
This chapter is intended to provide an insight into the construction and operation of anion sensing devices, rather than the chemistry of anion... -
Deconvolution Microscopy
Since its introduction in 1983, deconvolution microscopy has become a key image-processing tool for visualizing the cellular structures of fixed and... -
Biosynthesis and function of 1-methyladenosine in transfer RNA
Determining the function of single nucleotide modifications in tRNA has been elusive because so many tRNA modification enzymes are not essential for... -
Transfer RNA modifications and modifying enzymes in Saccharomyces cerevisiae
Transfer RNAs are adaptor molecules, which decode mRNA into protein and, thereby, play a central role in gene expression. During the maturation of a... -
Phosphinidenes
Of the low-valent organophosphorus compounds phosphinidenes occupy a special place. In ‘free’ phosphinidenes the phosphorus atom carries a single... -
On the Prebiotic Synthesis of Nucleobases, Nucleotides, Oligonucleotides, Pre-RNA and Pre-DNA Molecules
All the strategies for the prebiotic syntheses of RNA and DNA assume the adequate availability of the presumptive precursors such as purine and... -
Checkpoint and Coordinated Cellular Responses to DNA Damage
The DNA damage and replication checkpoints are signaling mechanisms that regulate and coordinate cellular responses to genotoxic conditions. The...