Gene expression
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as transf...
Gene expression - Wikipedia
Researchers Discover the Moment Alzheimer's disease Is Triggered
Researchers discover the moment Alzheimer's disease is triggered.
Drew Berry: Animations of unseeable biology
http://www.ted.com We have no ways to directly observe molecules and what they do -- Drew Berry wants to change that. At TEDxSydney he shows his scientifically accurate (and entertaining!) animations ...
A Day in the Life of a Motor Protein
The primary aim of the Hoogenraad research lab at the University of Utrecht, the Netherlands, is to understand how intracellular protein transport underlies the development and function of nerve cells...
A Newly Made RNA Strand Bolsters Ideas About How Life On Earth Began
RNA molecule is able to synthesize other RNAs, a feat believed central to the origin of life
Scientists Discover Why X Chromosome Lack Housekeeping Genes
Men have one copy, women have two, but scientists have long puzzled over why the human X chromosome mostly contains genes that are active in a small number of tissues. Now, a team of researchers led b...
Tracing Our 'Tree Of Life' To Its Roots: 3.8 Billion-Year-Old Molecule Reveals Clues About How Life On Earth Began...And It Could Help Us Find Aliens On Other Planets
By studying molecules in living human cells, researchers believe they have been able to trace the evolution of biology back to its roots. Experts from Georgia Institute of Technology have discovered t...
Biologists Unravel Drug-Resistance Mechanism In Tumor Cells
About half of all tumors are missing a gene called p53, which helps healthy cells prevent genetic mutations. Many of these tumors develop resistance to chemotherapy drugs that kill cells by damaging t...
Stressed Dads Affect Offspring Brain Development Through Sperm MicroRNA
More and more, scientists have realized that DNA is not the only way that a parent can pass on traits to their offspring. Events experienced by a parent over a lifetime can also have an impact. Now Un...
Slower Melting Ice Cream In Pipeline Thanks To New Ingredient
Childhood memories of sticky hands from melting ice cream cones could soon become obsolete, thanks to a new food ingredient. Scientists have discovered a naturally occurring protein that can be used t...
Increasing Lifespans By Changing Our RNA
The things we do to extend our lives--quitting smoking, cutting back on carbs, taking up jogging --all have some impact on our longevity, if only just a little. But no matter how hard we work towards...
New Letters Added To The Genetic Alphabet
Nearly 30 years ago, Benner sketched out better versions of both DNA and its chemical cousin RNA, adding new letters and other additions that would expand their repertoire of chemical feats. He wonder...
Massachusetts General Research Team Evolves CRISPR-Cas9 Nucleases With Novel Properties
A team of Massachusetts General Hospital researchers has found a way to expand the use and precision of the powerful gene-editing tools called CRISPR-Cas9 RNA-guided nucleases. In their report receivi...
Proteins May Slow Memory Loss In People With Alzheimer's
Researchers have long suspected that inflammation in the brain leads to the cell death and brain atrophy found in people with Alzheimer's disease. Yet previous studies didn't place much emphasis on th...
“Freezing A Bullet” To Find Clues To Ribosome Assembly Process
Ribosomes are vital to the function of all living cells. Using the genetic information from RNA, these large molecular complexes build proteins by linking amino acids together in a specific order. Sci...
Quantum Criticality In Life's Proteins
Stuart Kauffman, from the University of Calgary, and several of his colleagues have recently published a paper on the Arxiv server titled 'Quantum Criticality at the Origins of Life'. The idea of a qu...
Cell signaling
Cell signalling is part of a complex system of communication that governs basic cellular activities and coordinates cell actions. The ability of cells to perceive and correctly respond to their microe...
Cell signaling - Wikipedia
Signal transduction
Signal transduction occurs when an extracellular signaling molecule activates a specific receptor located on the cell surface or inside the cell. In turn, this receptor triggers a biochemical chain of...
Signal transduction - Wikipedia
Gene regulatory network
A gene regulatory network or genetic regulatory network (GRN) is a collection of DNA segments in a cell whichinteract with each other indirectly (through their RNA and protein expression products) and...
Gene regulatory network - Wikipedia
Gene product
A gene product is the biochemical material, either RNA or protein, resulting from expression of a gene. A measurement of the amount of gene product is sometimes used to infer how active a gene is. Abn...
Protein biosynthesis
Protein Biosynthesis refers to the process whereby biological cells generate new proteins; it is balanced by the loss of cellular proteins via degradation or export. Translation, the assembly of prote...
Protein biosynthesis - Wikipedia
Protein expression (biotechnology)
Protein production can occur after gene expression. It consists of the stages after DNA has been transcribed to messenger RNA (mRNA). The mRNA is then translated into polypeptide chains, which are ult...
Transcription (genetics)
Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA by the enzyme RNA polymerase.Both RNA and DNA are nucleic acids, which use base pairs of nuc...
Transcription (genetics) - Wikipedia
Post-transcriptional modification
Co-transcriptional modification is a process in cell biology by which, in eukaryotic cells, primary transcript RNA is converted into mature RNA. A notable example is the conversion of precursor messen...
Post-transcriptional modification - Wikipedia
RNA splicing
In molecular biology and genetics, splicing is a modification of the nascent pre-messenger RNA (pre-mRNA) transcript in which introns are removed and exons are joined. For nuclear encoded genes, splic...
RNA splicing - Wikipedia
RNA editing
RNA editing is a molecular process through which some cells can make discrete changes to specific nucleotide sequences within a RNA molecule after it has been generated by RNA polymerase. RNA editing ...
RNA editing - Wikipedia
Messenger RNA
Messenger RNA (mRNA) is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression....
Motor protein
Motor proteins are a class of molecular motors that are able to move along the surface of a suitable substrate. They are powered by the hydrolysis of ATP and convert chemical energy into mechanical wo...
Nuclear pore
Nuclear pores are large protein complexes that cross the nuclear envelope, which is the double membrane surrounding the eukaryotic cell nucleus. There are about an average of 2000 nuclear pore complex...
Nuclear pore - Wikipedia
Translation (genetics)
In molecular biology and genetics, translation is the process in which cellular ribosomes create proteins.In translation, messenger RNA (mRNA)—produced by transcription from DNA—is decoded by a riboso...
Translation (genetics) - Wikipedia