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Tag: "resists" at biology news

Gladstone investigators discover how resting T cells avoid HIV infection

...eal from our studies of how the resting CD4 T cell resists HIV. Now, the challenge is for scientists at the Gladstone Institute of Virology and Immunology and elsewhere to translate these basic discoveries into novel treatments that could benefit HIV-infected patients around the world." Four years ago, HIV ...

Scientists find microRNAs regulate plant development

...s plants that produce a version of ARF17 mRNA that resists microRNA-mediated cleavage. The plants showed increased accumulation of ARF17 mRNA and altered levels of mRNAs corresponding to several genes that may be regulated by ARF17. These changes were correlated with dramatic development defects in leaves, r...

Fundamental discovery -- Bone fracture

... on-line on July 17. It describes how healthy bone resists fracture and how unhealthy bone fractures at the molecular level. Included with the article are the highest resolution images of bone ever published, which reveal the location of the adhesive or "glue" that holds together mineralized collagen fibrils...

Purdue researchers find key to rice blast fungus

...ion pathway before we can design a rice plant that resists this fungus." Researchers already have some additional pieces of the puzzle gleaned from sequencing the rice blast genome. They learned that the pathogen has a unique family of proteins that acts as feelers to tell the fungus when it has a good host...

Genetically altered mice no longer like cocaine

...By doing so we created a dopamine transporter that resists cocaine but also retains its function of taking up dopamine and carrying it back to the neurons," Gu said. The researchers tested cocaine's effects on normal mice and on mice with modified dopamine transporters. The animals received varying amounts ...

Bt cotton in China fails to reap profit after seven years

...ill the secondary pests, developing Bt cotton that resists the secondary pests or enforcing the planting of refuge areas where broad-spectrum pesticides are used. ...

An artificial cornea is in sight, thanks to biomimetic hydrogels

...ne network, made of polyethylene glycol molecules, resists the accumulation of surface proteins and inflammation. The other network is made of molecules of polyacrylic acid, a relative of the superabsorbent material in diapers. "Think of a fishnet, but think of a 3-D fishnet," says Frank, the W. M. Keck, S...

What recognizes what in plant disease resistance?

Plants have an immune system that resists infection, yet 10% of the world's agricultural production is lost annually to diseases caused by bacteria, fungi, and viruses. Understanding how disease resistance works may help combat this scourge. In a new study published online this week in the...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...as HIV enters a T cell. Normally, a cell membrane resists bending. Scientists can quantify the energy needed to overcome this resistance. The Carnegie Mellon team found that FP-23 reduces the energy required to penetrate an artificial cell membrane by up to 13 fold, depending on the thickness of that membra...

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