their 2 8

Tag: "their" at biology news

Scientists document complex genomic events leading to the birth of new genes

...ons that are significantly different than those of their progenitors. Natural selection acts on gene dupli...copy in all other species tested. They then turned their attention to the gene that exhibited the most dramatic of these duplications: RanBP2. RanBP2 is the ...

Nano-Probes Allow an Inside Look at Cell Nuclei

...antum dots emit different colors of light based on their size, they can be used to observe the transfer of ...o different cells, and watch as the cells exchange their mitochondria," says Chen, adding that their technique paves the way for imaging a host of other long...

DNA Recombination and Repair—A New Twist to RecA Function

...ents of the bacterial RecA protein, long known for their role in homologous recombination and DNA repair, h...olecules within a filament coordinate and organize their activities to carry out these functions has remained obscure. Cox et al. addressed this problem in ...

Zebrafish may hold key to understanding human nerve cell development

...ircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number of reasons. The hair cells are exposed and can be easily seenunder the microscope in the live fish. We can also v...

New studies suggest airborne SARS transmission is possible

...tient's hospital room. The authors cautioned that their results do not document any cases of airborne transmission of the SARS virus from one person to another, only the dissemination of the virus from an infected patient to the air, via breathing or coughing. During the outbreak in Toronto hospitals, he...

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...ircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number of reasons. The hair cells are exposed and can be easily seenunder the microscope in the live fish. We can also v...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...immune cells carrying proteins called receptors on their surface. The target that a T cell recognizes and a...hose cells produce an army of immune cells against their designated target. Specific infectious organisms or other foreign substances stimulate T cells to d...

GenMAPP 2.0 released

...ircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number of reasons. The hair cells are exposed and can be easily seenunder the microscope in the live fish. We can also v...

UCLA scientists transform HIV into cancer-seeking missile

...red and genetic diseases where the mutations exert their harmful effects on the body." Melanoma is a serious form of skin cancer. According to the American Cancer Society, an estimated 59,580 Americans will be diagnosed with melanoma in 2005, and about 7,770 people will die of the disease. ...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...nd training with other neurons before they take on their adult role. But after using new technology for the...onse to a variety of different images, then refine their role over time so that in the adult fish the neurons only respond to images moving in a certain dire...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...tor of NIGMS. “These structures are interesting in their own right and provide the basis for modeling many important proteins.?/p> Some of the newly determined structures are of proteins found in plants, mice, yeast, and bacteria, including the pathogenic types that cause pneumonia, anthrax, and tuberc...

New insight into people who 'see' colors in letters and numbers

...e, functional magnetic resonance imaging (fMRI) of their brains reveals that they show activation of color-perception areas. The researchers said their findings lend support to the hypothesis that the condition is due to cross-activation between adjace...

The BIOS Initiative - open source biotechnology is born

...f the crop improvement technologies best suited to their own priorities", says Richard Jefferson, founder a...rtified BIOS licenses (www.bios.net) to distribute their work. The BIOS Initiative provides a new licensing mechanism that encourages sharing of the core too...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...ns for men who develop BPA-susceptiblemutations in their androgen receptor genes during the course ofprostate cancer treatment, although these concepts will need to beverified in animal systems,?according to Karen Knudsen, Ph.D., anassistant professor in the University of Cincinnati’s Department ofCell Bio...

Beyond lithium for bipolar disorder

...e is knocked out show hyperactivity and defects in their circadian (day-night) behavior--both also characteristic of humans with bipolar disorder. Also, in animals, lithium has been shown to affect such circadian behavior. The protein also has been found to affect the activity of a key neurotransmitter, do...

FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media

... the Globus Media devices, provides guidance as to their detention and refusal of admission into the U.S., and also advises U.S. Customs officials about these products. ...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...-throughput identification of liver tumor cells at their earliest stages, and without invasive chemical rea...a library of spectra from different cell types and their cancers." Aiding stem cell research Of further interest is that the biocavity laser may be applied...

PANTHER Protein Classification System Database 5.0

...ive resources for associatingprotein families with their biological pathways, as well as new toolsfor analy...entists to browse or analyze large sets ofgenes by their known or inferred biological functions and explore morethan 60 pathways associated with protein fami...

International trial of two microbicides begins

...e, but women may not always be able to insist that their male partners use measures to prevent HIV transmission," notes NIAID Director Anthony S. Fauci, M.D. "If effective, microbicides would be a valuable woman-controlled means of slowing the pace of the HIV/AIDS epidemic," Dr. Fauci adds. The first volu...

Breast Cancer May Be 'Uniquely Sensitive' To Inhibitors Of PI3K Pathway

...les fromnewly diagnosed patients can be tested for their specific PI3K pathwayabnormality in order to find a drug that zeroes in on what may be thecancer’s Achilles?heel, Mills says. “Using those drugs in combinationwith other treatments such as chemotherapy may significantly advancebreast cancer care,?he ...

1 2 3 4 5 6 7 8 9 10