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Tag: "themselves" at biology news

Wisconsin scientists grow critical nerve cells

...m cells could be successfully prodded to transform themselves into spinal motor neurons. In addition to the narrow time frame, it was also critical to expose the growing stem cells to an array of complex chemical cocktails. The cocktails constitute naturally secreted chemicals - a mix of growth factors and hor...

UAB scientists discover the origin of a mysterious physical force

...r molecules have a remarkable capacity to organise themselves into complex structures that are strongly orientated in such a way as to cancel out the electric field, and on some occasions, to reverse it. This abnormal behaviour was discovered by the same researchers and published in Physical Review Letters in A...

Plants, animals share molecular growth mechanisms

...esearchers to design plants better able to protect themselves from insects and disease. "These genes and their ...lls respond to external stimuli so they can defend themselves against insect or fungal attacks," Szymanski said. A protein complex known as Actin Related Protein...

Study finds more than one-third of human genome regulated by RNA

...MicroRNAs inhibitprotein production by associating themselves with particular messengerRNAs, thereby reducing the amount of protein that's ultimatelyproduced. In this study, the researchers determined which portion ofthe microRNA is most important for this process, and identifiedadditional determinants in the m...

NYU researchers simulate molecular biological clock

...MicroRNAs inhibitprotein production by associating themselves with particular messengerRNAs, thereby reducing the amount of protein that's ultimatelyproduced. In this study, the researchers determined which portion ofthe microRNA is most important for this process, and identifiedadditional determinants in the m...

A bacterial genome reveals new targets to combat infectious disease

...e than 150 million people worldwide. The nematodes themselves play host to bacteria that live within their cells, but in this case, the relationship is classic mutualism, with each benefiting from the other. Indeed, the Wolbachia bacterium is so crucial to its host nematode that apparently eradicating it with a...

Enzyme shown to help protect genomic stability

... on the study. "Otherwise, they can recombine with themselves or with other DNA segments. In the telomeres, such events may accelerate aging or trigger cancer in humans." "We have identified a molecular mechanism to explain how this enzyme helps keep telomeric DNA silenced and potentially protects the genome f...

Experiments provide proof of how traveling in groups protects insects

...als congregate periodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has developed what they believe is strong new evidence that the latter theory is correct. By gluing radio transmitters -- each weighing less than half a gram -- to the backs of ...

Experiments provide proof of how traveling in groups protects insects

...als congregate periodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has developed what they believe is strong new evidence that the latter theory is correct. By gluing radio transmitters -- each weighing less than half a gram -- to the backs of ...

UCSD researchers maintain stem cells without contaminated animal feeder layers

...e completely eliminated. However, the petri dishes themselves are coated with laminin (an animal-derived product), and the UCSD team is continuing studies to determine if contamination occurs from this source. For a proposed animal-free medium, the UCSD study takes advantage of a previously unidentified solubl...

Ants Genetic Engineering Leads To Species Interdependency

...colonies of other ants that theycan no longer feed themselves or raise their younger siblings.Recent work on ant...however, it is clear that theseants have committed themselves to the hybrid workforce strategy.When the researchers prevented queens from mating with males of the...

Scientists discover unique microbe in California's largest lake

...ts of infraredlight; in the Salton Sea, the waters themselves create a comparableniche. Wood thinks that the high availability of nutrients in thewaters of the Salton Sea is what allowed the microbe to survive withoutits hosts in the saline lake.At the University of Oregon since 1990, Wood is a member of the UO...

NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention

...dressing many of the underlying reasons people put themselves at risk-including undiagnosed depression and poor access to mental health services -- if we are to truly break the chain of infection through effective prevention, testing and treatment efforts." ...

Jumping gene helps explain immune system's abilities

... genetic material. "Jumping genes" essentially cut themselves out of the genetic material, and scientistshave suspected that this ability might have been borrowed by cellsneeding to build many different proteins from a specific, single set ofinstructions -- the key to recognizing a million immune-stimulatingpro...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

... genetic material. "Jumping genes" essentially cut themselves out of the genetic material, and scientistshave suspected that this ability might have been borrowed by cellsneeding to build many different proteins from a specific, single set ofinstructions -- the key to recognizing a million immune-stimulatingpro...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

... genetic material. "Jumping genes" essentially cut themselves out of the genetic material, and scientistshave suspected that this ability might have been borrowed by cellsneeding to build many different proteins from a specific, single set ofinstructions -- the key to recognizing a million immune-stimulatingpro...

Gene sequencing explains bioremediation 'bug'

... genetic material. "Jumping genes" essentially cut themselves out of the genetic material, and scientistshave suspected that this ability might have been borrowed by cellsneeding to build many different proteins from a specific, single set ofinstructions -- the key to recognizing a million immune-stimulatingpro...

Tiny scaffolding allows stem cells to become working fat cells

... scaffolding to coax mouse stem cells to transform themselves into fat cells, and then to function identical to how fat cells naturally do in the body. While other studies have previously grown fat cells, or adipocytes, in the laboratory, those cells never completely functioned in the same way they do in norma...

Bird Brains Show How Trial and Error May Contribute to Learning

...explain how children learn to talk by listening to themselves and others, and how adults learn and hone new moto...le brain activity when the finches were singing to themselves compared to when they were serenading females. Kao wondered whether she could cause changes in bird ...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...tibodies. They can also cause disease. “The genes themselves are only important in that they encode the proteins,?Lamont said. “It’s the proteins that are most responsible for disease, and in most cases it’s proteins that are vaccine and drug targets.?/p> The scientists have been trying to understand how P...

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