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Search results for “Biology”

1,000+ results for "Biology"

Keeping it together

Scientists at the European Molecular Biology Laboratory have discovered a protein complex called condensin that keeps chromosome arms folded and easy to transport. This discovery may lead to a better understanding of how chromosomes are organized during cell division, with implications for our own cells' ability to divide properly.

SourceEuropean Molecular Biology Laboratory·JournalNature Structural & Molecular Biology·DateJul 18, 2011

Biological circuits for synthetic biology

Researchers aim to create biological circuits using RNA molecules for the engineering of programmable genetic networks. They have successfully eliminated protein requirements and developed a system that can sense RNA input and synthesize output signals, performing logic operations and regulating multiple genes. This breakthrough has si...

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateMay 26, 2011

Video captures cellular 'workhorses' in action

Scientists at Yale University used fluorescent stains to create movies of cellular actin filaments disassembling, shedding light on their mysterious process. The study reveals the location of breaks along the filaments, crucial for cell movement and maintenance.

SourceYale University·JournalCurrent Biology·DateApr 28, 2011

Star performer in basic biology labs diagnosed with first virus

Researchers discover naturally occurring viral infections in C. elegans, a millimeter-long worm used extensively for decades to study many aspects of biology. The findings provide insights into the way viruses and their hosts interact, shedding light on fundamental phenomena such as RNA interference and cell self-destruction.

SourcePLOS·JournalPLOS Biology·DateJan 25, 2011

Biologists' favorite worm gets viruses

Researchers found that the nematode C. elegans, a millimeter-long worm used extensively for decades to study biology, gets naturally occurring viral infections. The discovery means C. elegans is likely to help scientists study the way viruses and their hosts interact.

SourceWashU Medicine·JournalPLOS Biology·DateJan 25, 2011

Intelligent microscopy

The Micropilot software brings machine learning to microscopy, analyzing low-resolution images and automatically performing complex experiments when cells with interesting features are detected. It has been used to uncover the roles of proteins in cell division and will be a key tool for European systems biology projects.

SourceEuropean Molecular Biology Laboratory·JournalNature Methods·DateJan 24, 2011

How much sex is enough?

Research published in BMC Evolutionary Biology shows that polygamous mice produce more fertile offspring due to increased sperm competitiveness. After 12 generations of competitive selection, polygamous males outperformed monogamous males in both paternity and fertility rates.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateJan 19, 2011

Microsensors offer first look at whether cell mass affects growth rate

University of Illinois researchers developed microsensors that can track individual cells' masses and divisions over time. They found that cells grow faster as they grow heavier, rather than at a fixed rate throughout the cell cycle. The sensors also allow for imaging and tracking of cellular processes in conjunction with changes in mass.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateNov 15, 2010