Molecular Cell Biology

Molecular biology  the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA and proteins and their biosynthesis, as well as the regulation of these interactions. Writing in Nature in 1961, William Astbury described molecular biology as:

An approach from the viewpoint of the so-called basic sciences with the leading idea of searching below the large-scale manifestations of classical biology for the corresponding molecular plan. It is concerned particularly with the forms of biological molecules and is predominantly three-dimensional and structural—which does not mean, however, that it is merely a refinement of morphology. It must at the same time inquire into genesis and function.

Molecular biology is the study of molecular underpinnings of the processes of replication, transcription, translation, and cell function. The central dogma of molecular biology where genetic material is transcribed into RNA and then translated into protein, despite being an oversimplified picture of molecular biology, still provides a good starting point for understanding the field. This picture, however, is undergoing revision in light of emerging novel roles for RNA.

Much of the work in molecular biology is quantitative, and recently much work has been done at the interface of molecular biology and computer science in bioinformatics and computational biology. As of the early 2000s, the study of gene structure and function, molecular genetics, has been among the most prominent sub-field of molecular biology.

Increasingly many other loops of biology focus on molecules, either directly studying their interactions in their own right such as in cell biology and developmental biology, or indirectly, where the techniques of molecular biology are used to infer historical attributes of populations or species, as in fields in evolutionary biology such as population genetics and phylogenetic. There is also a long tradition of studying biomolecules "from the ground up" in biophysics.

 

  • Microbial Cell Biology, Molecular and Cellular Parasitology
  • DNA Replication, Repair and Recombination
  • Chromatin Plasticity and Nuclear Architecture / Nuclear Dynamics and Function
  • Nuclear Periphery / Nuclear Envelope
  • DNA Damage and repair
  • DNA Replication
  • Neurons Meeting Glia in Brain Plasticity, Disease and Therapy
  • Epigenetics and Molecular Cytogenetics
  • Chromosome Segregation and Aneuploidy / Cell Division, Chromosomes, Kinetochores and Cell Cycle

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