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Strain in Biological Definition

Escherichia coli

... Although in most healthy adult humans such a strain would probably cause no more than a bout of ... people taking certain medications, an unfamiliar strain can cause serious illness and even death. A particularly virulent example of such a strain of E. coli is E.coli O157:H7 . Because of ...

Ebola

... , and was named Ebola–Reston . This strain seemed to be spread through the air, but did not ... outbreaks of Ebola–Zare than any other strain of Ebola virus. The first outbreak took place in ... on the United States via a newly discovered strain of Ebola that propagates by air. See also ...

Oswald Avery

... called a Pneumococcus was used. The R strain is harmless, while the S strain causes pneumonia in laboratory mice . ... organic compounds were still able to cause R strain bacteria to transform then the substances removed ...

Gene

... now known as Griffith's experiment , injections into a mouse of a deadly strain of a bacteria that had been heat-killed transferred genetic information to a safe strain of the same bacteria, killing the mouse. In 1941 , George Wells Beadle ...

Vaccine

... prevent or ameliorate the effects of infection by any natural or 'wild' strain of the organism. The term derives from vaccinia , the infectious viral ... tuberculosis vaccine is not the contagious TB strain, but a related strain called " BCG "; it is used in the United States very infrequently. A ...

Varicella zoster virus

... (ZIG), and vidarabine . A live attenuated VZV Oka/Merck strain vaccine is available and is marketed under the trade name Varivax . It was developed by Merck, Sharp & Dohme in the 1980s from the Oka strain virus isolated and attenuated by Michiaki Takahashi and colleagues in the ...

Ames test

... assay is carried out using strains of bacteria , generally Escherichia coli or Salmonella that already have a single mutation, for example, a strain that cannot produce histidine , an amino acid that is essential for the bacterium to grow if not provided externally with essential nutrients. ...

Antibiotic

... a serious problem in both the developed and underdeveloped nations. By 1984 half the people with active tuberculosis in the United States had a strain that resisted at least one antibiotic. In certain settings, such as hospitals and some child-care locations, the rate of antibiotic resistance is ...

Biomechanics

... used second order tensors include the Cauchy stress tensor, the second Piola-Kirchhoff stress tensor, the deformation gradient tensor, and the Green strain tensor. A reader of the biomechanics literature would be well-advised to note precisely the definitions of the various tensors which are being used ...

DNA

... killed "smooth" (S) form available to the live "rough" (R) form. Quite unexpectedly, the living R Pneumococcus bacteria were transformed into a new strain of the S form, and the transferred S characteristics turned out to be heritable. In 1944 , the renowned physicist, Erwin Schrdinger , ...

Hfr cell

... A hfr cell (also called hfr strain ) is a bacterium with a conjugative plasmid (often F ) integrated into its genomic DNA. Hfr is the abbreviation for high frequency ...
Other Contents
(Date:9/17/2014)... at IMIM (Hospital del Mar Medical Research Institute) and ... published a study in eLife showing that ... the evolution of new proteins, some of which could ... produce proteins from the instructions found in an RNA ... RNA containing information for the synthesis of proteins, meaning ...
(Date:9/17/2014)... retinoblastoma protein gene are a leading cause of eye ... fruit fly eyes to unlock the secrets of this ... on the cover of the current issue of the ... researchers provide the first detailed examination of a set ... cancer gene, said Irina Pushel, MSU undergraduate and co-author. ...
(Date:9/17/2014)... R.I. [Brown University] After decades of decline, grasses ... saltmarshes. To the eye, the marsh in those places ... that a key service of the marsh coastal ... back but the ecosystem function hasn,t come back," said ... senior author of the study in the journal ...
Breaking Biology News(10 mins):Parts of genome without a known function may play a key role in the birth of new proteins 2Abnormal properties of cancer protein revealed in fly eyes 2Cape Cod saltmarsh recovery looks good, falls short 2Cape Cod saltmarsh recovery looks good, falls short 3
(Date:9/17/2014)... Present-day Europeans are the descendants of at least ... new study. Previous research suggested that ... farmers. But, a new genetic analysis involving ancient ... of Ancient North Eurasians. Nearly all present-day Europeans ... researchers from Harvard Medical School said. , , ...
(Date:9/17/2014)... HealthDay Reporter WEDNESDAY, Sept. 17, 2014 (HealthDay ... why antibiotic-resistant bacteria can thrive in a hospital setting. ... the culprit. They can easily enter bacteria and move from ... makes bacteria drug-resistant, a new study finds. "The plasmids ... class of antibiotic called carbapenems," said the study,s co-author, Dr. ...
(Date:9/17/2014)... might be able to reduce the need for invasive ... autoimmune disease lupus. , In a new study, researchers ... from nephritis kidney inflammation to interstitial fibrosis, ... A kidney biopsy is the only existing way to ... extent. , The model could also be used to ...
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Breaking Medicine News(10 mins):Health News:Europeans Are Descendants of at Least 3 Ancient Human Groups: Study 2Health News:Europeans Are Descendants of at Least 3 Ancient Human Groups: Study 3Health News:Researchers Discover How Bacteria Resist Antibiotics in Hospitals 2Health News:Researchers Discover How Bacteria Resist Antibiotics in Hospitals 3Health News:Math model designed to replace invasive kidney biopsy for lupus patients 2Health News:Blue Shield of California Foundation Awards $5 Million in Third-Quarter Grants 2Health News:Stress Less with the Hyland's 5-Day Stress Challenge 2
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