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Tag: "shared" at biology news

Researchers rein in regulatory RNAs

... SAT pairs, Abe's group found that the transcripts shared several striking characteristics. Northern blot hybridization analyses of six randomly chosen SAT pairs revealed that the SAT loci generated multiple transcripts of various sizes, in contrast to a single transcript that is expected under the traditio...

Light therapy may combat fungal infections, new evidence suggests

...l light sensor arose early in evolution and may be shared by many extant fungal species. Other well-studied fungi, such as Saccharomyces cerevisiae, or baker's yeast, have apparently lost their ability to sense light, Heitman said, and have neither of the conserved light-sensing proteins. "Fungi have many ...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...erent disease outcomes, even though all the prions shared the same amino acid sequence. In some cases, a sin...et of shapes, which helps explain why species with shared sequences have the ability to infect each other. Surewicz says the next step in their research will...

Use of PET can reduce, may eliminate more strenuous drug development trials with animals

...nity to learn about the function of the many genes shared by both. This could lead to improved diagnosis of disorders such as Alzheimer's and Parkinson's diseases, epilepsy, cardiovascular illnesses and many cancers. Researchers can gain a broader understanding of basic insights into normal physiology and d...

Unexpressed But Indispensable -- The DNA Sequences That Control Development

...t perfect, but much higher than for coding regions shared by humans and pufferfish. A quick check showed that virtually all the sequences also occurred in rodents, chickens, and zebrafish, but not in the nematode, fruitfly, or even the sea squirt, a primitive non-vertebrate chordate. CNEs are not spread un...

RNA project to create language for scientists worldwide

... has created the need for researchers to develop a shared vocabulary and system for describing, cataloging and comparing their findings. An international team of RNA scientists, known as the RNA Ontology Consortium, has now been formed to do just that. "The consortium will develop a common vocabulary and ...

The BIOS Initiative - open source biotechnology is born

...sing paradigm that ensures that they are improved, shared and retained as a public resource." Today also sees the launch of BioForge (www.bioforge.net), an online collaborative research platform for biological innovation, developed in partnership with CollabNet Inc (www.collab.net). In the tradition of ope...

DNA Recombination and Repair—A New Twist to RecA Function

...recombination—of DNA regions on either side of the shared sequence. It can also initiate the repair of DNA lesions during replication—the process by which a DNA molecule is copied to make two. RecA is also an ATPase, an enzyme capable of hydrolyzing (breaking down) ATP, when bound to DNA. RecA uses ATP to ...

New SARS Protein Linked To Important Cell Doorway

...ighlighted a section of the SARS genetic code that shared several features with immune evasion proteins previously identified in other viruses. Some genetic codes contain sequences of protein-building instructions that the organisms never use, and the researchers had no proof yet that SARS actually made use...

Scientists discover unique microbe in California's largest lake

...rom a proteobacterium, a distant relativethat last shared a common ancestor with cyanobacteria more than twobillion years ago.The small subunit ribosomal RNA gene is widely used by scientists toinfer the relationships among living organisms, in part because it isgenerally assumed that it is faithfully trans...

Same mutation aided evolution in many fish species, Stanford study finds

...veral species of stickleback lacking hind fins all shared an alteration in how a gene was turned on and off. The striking similarity is that in both studies evolution turned to the same genetic switch to work a visible change in the fish. However, in the fin study the group wasn't able to pinpoint the exac...

Elephants imitate sounds as a form of social communication

... which animals and humans develop new signals with shared associations. Recent playback experiments conducted by Karen McComb of Sussex University have shown that elephants can remember the calls of a large number of other elephants. The new findings suggest that elephants, like parrots, bats, and dolphins,...

Elephants imitate truck noises, other animals

... which animals and humans develop new signals with shared associations. Recent playback experiments conducted by Karen McComb of Sussex University have shown that elephants can remember the calls of a large number of other elephants. The new findings suggest that elephants, like parrots, bats, and dolphins,...

Finding Cures For Tropical Diseases: Is Open Source An Answer?

... website where volunteers couldsearch and annotate shared databases. Individual pages would host taskssuch as searching for new targets, finding chemicals to attack knowntargets, and posting data from related chemistry and biologyexperiments. Volunteers could use chat rooms and bulletin boards toannounce di...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...tion of these genes sheds new light on the unusual shared biology between the parasitic amoeba and anaerobic...iculum, golgi apparatus and mitochondria) and also shared some bacteria-like traits. While the Nature study catalogs a reduced genome (sometimes characterist...

Spleen may be source of versatile stem cells

...precursors to many types ofblood cells, a function shared by the bone marrow, but potentially toform such diverse organs as the small intestine, uterus, vascularsystem and lung. They theorize that a pocket of these uncommitted cellsmight remain in the spleen though adulthood. In addition toregeneration of i...

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