Add BrightSurf on Google Email

Solar cell consisting of a single molecule

Researchers successfully integrated a single functionalized photosynthetic protein system into an artificial photovoltaic device, retaining its biomolecular properties. This breakthrough demonstrates the potential for light-driven, highly efficient single-molecule electron pumps to act as current generators in nanoscale electric circuits.

SourceTechnical University of Munich (TUM)·JournalNature Nanotechnology·DateOct 2, 2012

Length matters in gene expression

Research reveals that gene length is crucial for protein expression, with shorter genes utilizing specialized terminators to avoid repression. This finding highlights the importance of gene ends in regulating gene activity.

SourceAarhus University·JournalGenes & Development·DateOct 2, 2012

Protecting genes, one molecule at a time

An international team of scientists has shown at an unprecedented level of detail how cells prioritize the repair of genes containing potentially dangerous damage. Cells use proteins to detect and replace damaged DNA, with critical steps at individual protein reads likely critical for successful repair.

SourceUniversity of Bristol·JournalNature·DateSep 9, 2012

Rice, MD Anderson scientists probe mystery of operon evolution

Researchers at Rice University and MD Anderson Cancer Center offer a possible explanation for the existence of operons, jointly controlled clusters of genes found in bacterial chromosomes. The study suggests that operons help bacteria deal with noisy biochemical signals by suppressing noise in gene regulatory networks.

SourceRice University·JournalPLOS Computational Biology·DateAug 30, 2012

Gene variant reduces cholesterol by 2 mechanisms

A gene variant in sortilin, responsible for higher protein expression in liver, has been found to reduce cholesterol levels. The study reveals two mechanisms: increased LDL degradation and decreased APOB secretion via lysosomal targeting.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJul 2, 2012

Forty's a crowd

Researchers discovered that master regulator protein ATF6α brings a plethora of coactivators to gene expression sites, activating downstream genes involved in the ER stress response. The study suggests ways to dampen ER stress signaling molecularly and could reveal new targets for diseases like Alzheimer's and Huntington's Diseases.

SourceStowers Institute for Medical Research·JournalJournal of Biological Chemistry·DateJun 28, 2012

Lariats: How RNA splicing decisions are made

Researchers at Brown University discovered over 800 tiny genetic loops, called lariats, in human tissues, providing new insights into RNA splicing decisions. The location of branchpoints on these lariats reliably predicts where splicing will occur, enabling the creation of an algorithmic model with 95.6% accuracy.

SourceBrown University·JournalNature Structural & Molecular Biology·DateJun 17, 2012

Scientists study serious immune malfunction

Scientists have mapped how the XIAP protein activates a vital component of the immune defense system, specifically fighting bacterial infections. The study provides important insights into X-linked lymphoproliferative syndrome type 2 (XLP2), a rare genetic disorder affecting male children.

SourceUniversity of Copenhagen·JournalMolecular Cell·DateMay 17, 2012

Johns Hopkins researchers uncover genes at fault for cystic fibrosis-related intestinal obstruction

Researchers at Johns Hopkins identified a gene, methionine sulfoxide reductase (MSRA), that modifies the risk of newborns with cystic fibrosis developing neonatal intestinal obstruction. This study may lead to a better understanding of how intestines work and pave the way for identifying genes involved in secondary complications.

SourceJohns Hopkins Medicine·JournalNature Genetics·DateApr 23, 2012

Tiny worm points to big promise

Researchers at Northwestern University identified nine core genes that protect cells from protein misfolding, a common cause of over 300 diseases. They also discovered seven classes of small molecules that restore proper protein folding and reduce disease progression.

Team pinpoints amino acid variation in immune response gene linked with ulcerative colitis

A team of researchers has pinpointed an amino acid variation in the immune response gene DRB1 as a key factor in ulcerative colitis. This association was confirmed using sophisticated association techniques and suggests that the gene plays a significant role in determining the human immune response to extracellular antigens.

Scripps research scientists elevate little-studied cellular mechanism to potential drug target

Scientists have elevated little-studied cellular mechanism sulfenylation to potential drug target by showing its importance in cell signaling and cancer. A new chemical probe allowed detection of minute differences in sulfenylation rates, revealing a key role for hydrogen peroxide in activating epidermal growth factor receptor.

SourceScripps Research Institute·JournalNature Chemical Biology·DateDec 11, 2011

JCI online early table of contents: Nov. 14, 2011

Researchers discovered a molecular pathway driven by PDGFR-alpha that promotes the aggressive nature of a significant proportion of glioblastomas. Overexpressed in GBMs, this pathway triggers signaling cascades leading to tumor growth and invasion. Manipulating Dock180 phosphorylation disrupts this pathway, resulting in failed tumor pr...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 14, 2011