News tagged with cellular biologists

Scientists reveal how bacteria build homes inside healthy cells

(PhysOrg.com) -- Bacteria are able to build camouflaged homes for themselves inside healthy cells - and cause disease - by manipulating a natural cellular process.

Biology / Cell & Microbiology

created Dec 20, 2011 | popularity not rated yet | comments 0 | with audio podcast

A major step forward towards drought tolerance in crops

When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Shedding light on the 'dark matter' of the genome

Most of the time, Stefano Torriani is a plant pathologist. His most recent research project revolved around the fungus Mycosphaerella graminicola where he analyzed a special class of genes that encode cell wall degrading enzyme ...

Biology / Biotechnology

created Nov 29, 2011 | popularity 5 / 5 (1) | comments 0

Researchers find pulsating response to stress in bacteria

(PhysOrg.com) -- If the changing seasons are making it chilly inside your house, you might just turn the heater on. That's a reasonable response to a cold environment: switching to a toastier and more comfortable ...

Biology / Cell & Microbiology

created Nov 03, 2011 | popularity not rated yet | comments 0

Do bacteria age? Biologists discover the answer follows simple economics

When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...

Biology / Cell & Microbiology

created Oct 27, 2011 | popularity 4.9 / 5 (30) | comments 15 | with audio podcast

Researchers build largest protein interaction map to date

Researchers have built a map that shows how thousands of proteins in a fruit fly cell communicate with each other . This is the largest and most detailed protein interaction map of a multicellular organism, demonstrating ...

Biology / Cell & Microbiology

created Oct 27, 2011 | popularity not rated yet | comments 0 | with audio podcast

A question of gene silencing

When investigating cancer cells, researchers discovered numerous peculiarities: Particular RNA molecules are present in large numbers, particular genes are overactive. Do these characteristics have a relation to cancer? Do ...

Biology / Biotechnology

created Aug 24, 2011 | popularity not rated yet | comments 0

New component of a plant steroid-activated pathway discovered

Plant biologists have been working for years to nail down the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...

Biology / Cell & Microbiology

created Aug 18, 2011 | popularity not rated yet | comments 0

Scientists take a giant step for people -- with plants!

Science usually progresses in small steps, but on rare occasions, a new combination of research expertise and cutting-edge technology produces a 'great leap forward.' An international team of scientists, whose ...

Biology / Biotechnology

created Jul 28, 2011 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Plant biology meets up with computational wizardry

Over time, plants have evolved to adapt to a constantly changing, often hostile, environment. Unfortunately, they are facing a new and difficult challenge ahead.

Biology / Biotechnology

created May 31, 2011 | popularity 5 / 5 (1) | comments 0

Fuzzy logic predicts cell aging

The process of aging disturbs a broad range of cellular mechanisms in a complex fashion and is not well understood. Computer models using fuzzy logic might help to unravel these complexities and predict how aging progresses ...

Biology / Other

created Jun 17, 2010 | popularity 3 / 5 (6) | comments 2 | with audio podcast

In Ocean's Depths, Heat-Loving 'Extremophile' Evolves a Strange Molecular Trick

(PhysOrg.com) -- Making its home near extreme temperatures of thermal vents on the ocean floor, the organism Methanopyrus kandleri harbors a molecular secret that intrigues evolutionary biologists and even ...

Chemistry / Biochemistry

created Apr 30, 2009 | popularity 5 / 5 (12) | comments 3

Mathematical models reveal how organisms transcend the sum of their genes

(PhysOrg.com) -- Molecular and cellular biologists have made tremendous scientific advances by dissecting apart the functions of individual genes, proteins, and pathways. Researchers at the University of Wisconsin-Madison ...

Other Sciences / Mathematics

created Feb 06, 2009 | popularity 4.6 / 5 (8) | comments 1