strain

Fox Chase Cancer Center scientists identify immune-system mutation

...identified the genetic mutation that keeps a mouse strain from developing white blood cells, or lymphocytes,... the second time that a naturally occurring mutant strain has been found and bred at Fox Chase. In 1981, the laboratory group of Melvin Bosma, Ph.D., discover...

Scientists Replicate Hepatitis C Virus in Laboratory

...ion and production.?/p> The NIDDK group used a strain of HCV that would have applications to the greatest number of people ?genotype 1, the major type of HCV of human infections worldwide and the type most resistant to current therapies. They constructed an HCV replica using a DNA copy of the original H...

Bound for destruction: Ubiquitination protects against improper Notch signaling

...arly a century since theidentification of a mutant strain of Drosophila fruit flies with“notched?wings in Thomas Hunt Morgan’s lab in 1910. Later studiesrevealed that the Notch gene encodes a receptor protein that extendsthrough both sides of the cell membrane and which is capable ofinteracting with a ligan...

Whole genome fine map of rice completed

...hole genome assembly and analysis for the maternal strain "PeiAi 64" (its main genetic background being Japonica, as well as a mixture of Indica and Japonica genes ). This would further help discovering distribution of the hybrid genes in F1 and the changes of physiological traits, thus revealing the source...

Scientists seek answers on what activates deadly anthrax spores

... The researchers are working with a non-pathogenic strain of anthrax. The genome sequences of four strains o...er closely related bacterium, Bacillus cereus, one strain of which can produce anthrax-like symptoms. The research team includes Conn Mallett, Ph.D., Derek P...

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strain at Biology Products

EBY100 S. cerevisiae Strain from Invitrogen

...truct is transformed into the EBY100 S. cerevisiae strain (supplied transformed with Aga1). Aga1 and the Aga2-fusion protein associate within the secretory pathway and are displayed on the cell surface (Figure 1)....

Orfmer Sets - S. aureus from Sigma-Genosys

...s from the COL strain, 357 ORFs unique to the Mu50 strain and 50 ORFs unique to N315 strain. In most cases, the primers have been designed to amplify the majority of the ORF. For longer ORFs, the resulting amplicons are less than 900 b.p. in length, biased towards the 3 end of the gene. Where possible, the ...

Transformance™ competent cell preparation service from Lucigen

Do you need to make your strain of cells competent or increase their transformation efficiency? Take advantage of Lucigen’s unrivalled expertise in producing competent cells. Lucigen’s Transformance Custom Competent Cell Service offers: Chemically competent or electro...

pYD1 Yeast Display Vector from Invitrogen

...truct is transformed into the EBY100 S. cerevisiae strain (supplied transformed with AGA1). Aga1 and the Aga2-fusion protein associate within the secretory pathway and are displayed on the cell surface....

Yeast-GFP 96-well Plates from Invitrogen

...t-GFP clone represents an individual S. cerevisiae strain containing an open reading frame with a C-terminal Aequorea Victoria GFP (S65T) fusion tag....

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strain at Biology Technology

A New C-Terminal GST Vector for Protein Production in S. pombe

...lin gene was transformed into the S. pombe strain SP-Q01 using a standard protocol. 11 Figure...nant protein. For protein induction,the expression strain (SP-Q01 transformed with the pESP-3 vector containing thecalmodulin gene) was inoculated into 5 ml o...

A Positive Selection Assay for Mutation Analysis in Big Blue Animals

...lect-cII mutation assay kit uses an hfl E. coli strain and selective temperature conditions to provide an...irions are used to infect the E. coli host strain G1250 (a specialized hfl version of Stratagenes XL1-Blue MRA cells). The infected host ...

Generate Adenovirus Vectors in E. coli by Homologous Recombination with the AdEasy Adenoviral Vector System

... with Pme I and cotransformed into E. coli strain BJ5183 with pAdEasy-1 viral DNA plasmid. T...enome is performed in E. coli. The E. coli strain BJ5183 was selected for its recombination capabilities and higher transformation efficiency....

Highest Possible Transformation Efficiencies for High-Throughput Applications

... molecules at a higher efficiency. The 96Pack Gold strain is endonuclease-deficient (endA1), which g...ng of recombinant plasmids. In addition, this cell strain is restriction-minus, a feature that increases the efficiency of introducing eukaryo...

Epitope-Tagging Vectors for Functional Analysis in Yeast

...transformed separately into S. cerevisiae, strain YPH499, and transformants were selected on...The constructs were transformed into S.cerevisiae, strain YPH499, and the transformants were selected on syntheticdropout plates specific for the particular v...

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strain at Biology Definition

Varicella zoster virus

...nd vidarabine . A live attenuated VZV Oka/Merck strain vaccine is available and is marketed under the t...y Merck, Sharp & Dohme in the 1980s from the Oka strain virus isolated and attenuated by Michiaki Takahashi and colleagues in the 1970s. It was submitted t...

Vaccine

...he effects of infection by any natural or 'wild' strain of the organism. The term derives from vaccinia ...e is not the contagious TB strain, but a related strain called " BCG "; it is used in the United States very infrequently. A number of innovative vaccines ...

Oswald Avery

...acteria called a Pneumococcus was used. The R strain is harmless, while the S strain causes pneumonia in laboratory mice . Substances were available to remove various organic com...

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 recombination . Unlike a normal F+ cell, hfr strains will, upon conjugation with a F- cell, attempt to transf...

Gene

...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 and Edward Lawrie Tatum ...

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strain at Biology Dictionary

Yellow fever

..., where public health infrastructures are already strain ed by drug-resistant malaria, tuberculosis, yellow fever , Rift Valley fever, and other infectious diseases. Full article >>> the yellow fever virus , the rabies virus , and the plague bacillus ). If the victim recovers, the vi...

Xylem

...JGI) has shotgun sequence d the genome s of two strain s of the fastidious, xylem -limited bacteria , Xylella fastidiosa, to high draft (eightfold coverage). Full article >>> pits -- Thin regions of the cell wall in xylem conducting cells . Their structure is an important character...

Wild-type

Wild-type A strain used as a standard reference to compare any mutant derivatives. A wild-type strain may have certain nutrition al requirements depending upon the species . Full article >>&...

Wild type

... article >>> A culture of E. coli strain B is coinfected with equal numbers of a triple mutant of T4 phage , d g r, and wild type (+ + +). 1000 plaque s were analyzed and their genotype were distributed as follows. d g r 425 ... Full article >>> domesticated plant A ...

Vitamins

...which makes vitamins K and B-12 for us but some strain s of which may cause illness if ingested into the upper GI tract ... Full article >>> An organ ic molecule serving as a cofactor. Most vitamins function as coenzymes in important metabolic reactions. co evolution [L. co, togeth...

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strain at Medicine News

Virus Level could Predict Cervical Cancer Risk

...et medical journal suggests that the amount of one strain of the virus, called HPV-16, could be a more accurate predictor of the disease. 'High amounts of HPV 16 DNA is a major risk factor for development of cervical carcinoma (cancer),' said Agnetha Josefsson and scientists at the University of Uppsala. Dr...

First Vaccine Designed for Africa Cleared for Testing in Humans

...NA vaccine based on HIV subtype A, the most common strain in Kenya and in many other parts of Africa. Recruitment for the trial, involving 18 volunteers, will begin in Oxford in August, and, pending local approvals, another trial is expected to follow in Nairobi three to six months later. McMichael, one...

HIV did not arise from polio vaccine

...contaminated with the virus that became HIV-1, the strain responsible for most of the world's HIV infections. The Wistar Institute has always denied that any chimp cells were used in manufacturing its OPV. But the fact that mainstream researchers believe HIV arose from the related Simian Immunodeficiency v...

African HIV strains more resistant to anti HIV drugs

...and headed the team of researchers. The commonest strain of HIV in the U.S. and other Western countries is ... live in sub-Saharan Africa. HIV-A is the dominant strain in the northern region of sub-Saharan Africa, and HIV-C is more common in southern parts of Africa. ...

Antibiotic induces liver damage in children with E.COLI infections.

The strain of bacteria known as E. coli 0157:H7 causes some of the most serious digestive infections in both children and adults. Infections with this organism are often caused by eating undercooked meat. A major study shows using antibiotics to treat children ...

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strain at Medicine Products

Retiport

... determination of VER, ERG and pattern ERG without strain for the patient....

SDS OctoPos

..., product and practice cash management to ease the strain of practice administration....

X-Scribe II Stress Exercise System

...itional patient cable. Artifact due to the sag and strain of bulky conventional cables is eliminated, resulting in exceptionally clean tracings. In addition, the wireless mobility provided by the X-12 digital transmitter allows for seamless integration with stress echo and nuclear studies. A lightweight, tr...

OrthoPilot Navigation System

...worthy partner. At the same time, it minimizes the strain on the patient caused by navigation procedures. Right from the start a method was developed to achieve the surgical objective without having to perform preoperational examinations or to take radiation-intensive and expensive CT or MRI scans, and to ...

Genetic Systems HIV-1 Western Blot

...V-1. The solid phase antigens are derived from LAV strain of HIV-1 grown in the CEM cell line. Use of the CEM cell line, which is devoid of HLA Class ll antigens, helps reduce cross reactivity to cell related, nonviral bands. In addition, the Genetic Systems HIV-1 Western Blot offers a same-day procedure fo...

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strain at Medicine Technology

Rapid HIV Testing Increases Possibility of Treatment

...sitive, a further definition of the specific viral strain is required. The Bio-Rad Multispot HIV-1/HIV-2 Rapid Test was approved by the FDA for clinical use in November, 2004. A landmark product, it was the first rapid HIV test to offer both detection (screening) and differentiation of HIV-1 and HIV-2 anti...

BioSante Pharmaceuticals Announces New Findings for Potential Bird Flu Vaccine

...ity of theseviruses do not affect humans, the H5N1 strain already has made thejump from birds to humans and in fact, has infected 310 people andkilled 190 since the outbreak of the disease in 2003, and more than250 million chickens have been killed to stop the spread of thevirus. Farmers and poultry produce...

Clinical Data From Nymox BPH Drug To Be Presented at American Urological Association Meeting

...; 5) weaknessof urinary stream; 6) need to push or strain during urination; and7) urination during sleep (nocturia). Published studies ofcurrently approved drugs for BPH show AUA Symptom Score improvementin the 3.5 to 5 point range. BPH afflicts approximately half of men over age 50 and close to90% of men ...

New Flu Vaccine from PepTcell Could Provide Immunity Against All Strains of Influenza Virus

...provide effective protectionagainst a pandemic flu strain by enabling stockpiling and theinitiation of a worldwide vaccination program ahead of anoutbreak." PepTcell is in the process of finalising all the manufacturingprocesses for its vaccines, and expects FLU-v to enter Phase Iclinical trials during 200...

New Flu Vaccine From PepTcell Could Provide Immunity Against All Strains of Influenza Virus

...provide effective protectionagainst a pandemic flu strain by enabling stockpiling and theinitiation of a worldwide vaccination program ahead of anoutbreak." PepTcell is in the process of finalising all the manufacturingprocesses for its vaccines, and expects FLU-v to enter Phase Iclinical trials during 200...

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strain at Medicine Dictionary

Weakness

... pregnancy , tumor s, heavy lifting, overeating, strain ing at the stool , or tight clothing. Full article >>> Muscle weakness and slack ligament s caused by nerve damage cause instability of the joint and subsequent misalignment (called subluxation ) and/or dislocation . Full ...

Vaccination

...nity and prevent disease caused by the regular strain of that microorganism . vaccine ... Full article >>> Vaccination s . Children who receive the pneumococcal conjugate vaccine (Prevnar) are less likely to have recurrent ear infections and less likely to need ear tube placemen...

Urinary Tract Infections

... control your urine when you cough , sneeze , strain , or laugh? Full article >>> This includes those who don't benefit from treatment , have repeated urinary tract infections , form bladder stones , develop kidney damage due to backpressure or are repeatedly unable to urinate. Ther...

Urinary Incontinence

...m ) Upper limb disorders (ULDs) and Repetitive strain syndrome (RSI) Urinary incontinence in women ... Full article >>> The spasm s lead to temporary loss of consciousness , stop the mother from breathing , may make her bite her tongue and sometimes cause urinary incontine...

Urinary hesitancy

...ention of urine leading to urinary hesitancy , strain ing to urinate, decrease in size and force of the urinary stream, interruption of urinary stream, and sensation of incomplete emptying ... Full article >>>...

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