نتایج جستجو برای: self excision system

تعداد نتایج: 2705862  

Hamid Shayegh Borujerdi Hassan Jahedi

Composition, change and complexity have attracted ev- eryone’s attention towards Self-Adaptive systems. These systems, inspired by the human body, are capable of adapting to changes in the inner and outer environment. The main objective of this study is to achieve a more con- venient availability for e-banking services in the payment switch, using self-healing systems and focusing on the failur...

2009
Nikhil U. Nair Huimin Zhao

Here we describe a one-step method to create precise modifications in the genome of Saccharomyces cerevisiae as a tool for synthetic biology, metabolic engineering, systems biology and genetic studies. Through homologous recombination, a mutagenesis cassette containing an inverted repeat of selection marker(s) is integrated into the genome. Due to its inherent instability in genomic DNA, the in...

2003
Mausumi Maitra Shu-Xia Li Elena Curti Joachim Jäger

DNA polymerase ß mutator mutants Pol ß is one of the smallest eukaryotic polymerases. It is a simple, well-characterised system to study the correlation between polymerase structure and fidelity of DNA synthesis. Polß plays a crucial role in base excision repair (BER) as it removes 5’-deoxyribose phosphate and fills in short lesions in DNA (short patch synthesis). Furthermore, polß is implicate...

2013
Patrick Yeung Frank Tu Krisztina Bajzak Georgine Lamvu Olga Guzovsky Rob Agnelli Mary Peavey Wendy Winer Robert Albee Ken Sinervo

OBJECTIVE To serve as a pilot feasibility study for a randomized study of excision versus ablation in the treatment of endometriosis by (1) estimating the magnitude of change in symptoms after excision only at multiple referral centers and (2) determining the proportion of women willing to participate in a randomized trial. METHODS We performed a multicenter prospective study of women undergo...

Journal: :Genetics 1980
F Eckardt S J Teh R H Haynes

We have measured UV-induced mutation frequencies in yeast in a forward, nonselective assay system by scoring white adex ade2 double auxotrophs among parental red-pigmented ade2 clones. The frequencies of sectored and pure mutant clones were determined separately. In excision-defective strains carrying the genes rad1-1, rad3-2 and rad4-4, as well as in the double mutants, rad 1-1 rad 3-2 and rad...

2013
Mayur Sharma Rahul Mally Vernon Velho

Spinal dermoid tumors are rare, benign, slow growing tumors. These tumors may become acutely symptomatic after rupture or infection. Excision of the lesion with long term close follow-up studies is required for the management of these lesions. We present a very rare case of ruptured conus medullaris dermoid cyst in a 22-year-old male presented with urinary retention and low back pain. Magnetic ...

  Two rare cases of extra-articular diffuse variant giant cell tumor of the tendon sheath are presented, at the elbow of a 68-year-old female and the foot of a 56-year-old male. Both patients presented with a palpable masses and marginal excision was performed; histological sections confirmed the diagnosis of extra-articular giant cell tumor. No adjuvant therapy was administered. At the last fo...

Journal: :The European respiratory journal 1994
R Aguiló C Montesinos M Llobera

Haemangioma in the chest wall is a very rare entity, seldom described in the literature. We report the case of a 23 year old woman presenting with independent, cervical subdural and intercostal haemangiomata. She suffered several episodes of recurrent, self-limiting subdural haemorrhage before diagnosis was made by magnetic nuclear resonance, aortography and selective intercostal angiography. S...

2014
Yu-Mee Sohn Jung Hyun Yoon Eun-Kyung Kim Hee Jung Moon Min Jung Kim

OBJECTIVE To evaluate the upgrade rate and delayed false-negative results of percutaneous vacuum-assisted removal (VAR) and surgical excision in women with imaging-histologic discordance during ultrasound (US)-guided automated core needle biopsy (CNB) of the breast and to validate the role of VAR as a rebiopsy method for these discordant lesions. MATERIALS AND METHODS Percutaneous US-guided 1...

Journal: :The Journal of biological chemistry 1999
R Gary K Kim H L Cornelius M S Park Y Matsumoto

There are two distinct pathways for the removal of modified DNA bases through base excision repair (BER) in vertebrates. Following 5' incision by AP endonuclease, the pathways diverge as two different excision mechanisms are possible. In short-patch repair, DNA polymerase beta accounts for both excision activity and single nucleotide repair synthesis. In long-patch repair, the damage-containing...

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