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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... -
Conserved ribosomal RNA modification and their putative roles in ribosome biogenesis and translation
rRNA maturation requires extensive covalent modifications of riboses and bases. These modifications concern exclusively the most conserved regions of... -
Biosynthesis and function of tRNA wobble modifications
Post-transcriptional modifications at the first (wobble) position of the tRNA anticodon participate in the precise decoding of the genetic code that... -
From isolation to integration, a systems biology approach for building the Silicon Cell
In the last decade, the field now commonly referred to as systems biology has developed rapidly. With the sequencing of whole genomes and the... -
Genome evolution: Lessons from Genolevures
In the past years, yeast genome-sequencing programs have been widely developed. Two of them, namely Genolevures I and II, were devoted to the... -
Histone Ubiquitylation and the Regulation of Transcription
The small (76 amino acids) and highly conserved ubiquitin protein plays key roles in the physiology of eukaryotic cells. Protein ubiquitylation... -
The Generation and Recognition of Histone Methylation
The posttranslational modification of histone proteins via methylation has important functions in gene activation, transcriptional silencing,... -
Histone Dynamics During Transcription: Exchange of H2A/H2B Dimers and H3/H4 Tetramers During Pol II Elongation
Chromatin within eukaryotic cell nuclei accommodates many complex activities that require at least partial disassembly and reassembly of... -
Folding of newly synthesised proteins in the endoplasmic reticulum
The endoplasmic reticulum (ER) is a membranous compartment that can be found within any nucleated eukaryotic cell. Its job is to oversee the... -
Mouse Models of Cell Cycle Regulators: New Paradigms
In yeast, a single cyclin-dependent kinase (Cdk) is able to regulate diverse cell cycle transitions (S and M phases) by associating with multiple... -
Structural features of fungal genomes
Eighteen fungal genomes have been sequenced to date from a variety of taxonomic groups, with fifteen Ascomycota, two Basidomycota and one... -
Sterol Endocytosis and Trafficking in Plant Cells
Structural sterols are integral components of biological membranes. They regulate membrane permeability and fluidity, and they influence the... -
SNAREs in Plant Endocytosis and the Post-Golgi Traffic
In eukaryotic cells, the transport vesicles carry various cargo proteins from a donor compartment to a target compartment, and discharge the cargo... -
Plant Vacuoles: from Biogenesis to Function
The plant vacuolar system is far more complex than originally expected and multiple sorting pathways leading to various types of vacuoles can be... -
Endocytosis in Guard Cells
Stomatal movement requires large and repetitive changes to cell volume and consequently surface area. These alterations in surface area are... -
Endocytosis and Actomyosin Cytoskeleton
Mutual interactions between actin and endocytic assembly machineries are essential for successful clathrin-mediated endocytosis in yeast and... -
Endocytosis and Membrane Recycling in Pollen Tubes
In plants, tip-growing cells are an ideal system to investigate signal transduction mechanisms and, among these, pollen tubes are one of the... -
Plant Prevacuolar Compartments and Endocytosis
Prevacuolar compartments (PVCs) are membrane-bound organelles mediating protein traffic from both Golgi and plasma membrane to vacuoles in... -
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...