نتایج جستجو برای: second exon of bula

تعداد نتایج: 21187492  

Journal: :iranian journal of veterinary research 2009
gh. nikbakht brujeni m. emam h. mahmoudzadeh e. hamedmonfared r. talebnia jahromi

several studies have focused on polymorphisms of major histocompatibility complex (mhc) in sheep, ovar-mhc. this molecule plays a pivotal role in antigen presentation for eliciting immune responses against invading pathogens. the best-characterized genetic control of disease resistance and immune response in animals is associated with mhc. numerous molecular genetic investigations have been und...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...

J. Habibizad M. Muhaghegh Dolatabady,

Growth differentiation factor 9 (GDF9) belong to the superfamily of transforming growth factor β that is highly expressed in growing ovarian follicles of oocyte, and it has been strongly related to fecundity traits in sheep. Therefore, the GDF9 gene could serve as a genetic marker for improvement of reproductive performance in sheep. Therefore, the aim of this study was to invest...

Khazaei Koohpar, Zeinab, Ranji, Najmeh, Rezaei, Omid,

Introduction: Mutation in SLC26A4 gene is one of reason of syndromic and non-syndomic hearing loss. Mutation in this gene is reported to be the second most common cause of deafness in the worldwide, after GJB2 gene. The aim of this study was to evaluate mutations in exon 10 of SLC26A4 gene in individuals with hearing loss in Guilan province. Materials and Methods: In this descriptive cross-sect...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...

Fatemeh Sarkargar, Hossein Khodai , Mahta Mazaheri , Razieh Sadat Tabatabaei,

Abstract Background: Haemophilia A (HA) is an X-linked bleeding disorder caused by the absence or reduced activity of coagulation factor VIII (FVIII). Coagulation factors are a group of related proteins that are essential for the formation of blood clots. The aim of this study was to genotype the coagulation factor VIII gene mutations using Inverse Shifting PCR (IS-PCR) in an Iranian family ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی و مهندسی 1387

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

Journal: :RNA 1999
G Chanfreau C Gouyette B Schwer A Jacquier

During splicing of nuclear pre-mRNAs, the first step liberates the 5' exon (exon 1) and yields a lariat intron-3'exon (intron-exon 2) intermediate. The second step results in exon ligation. Previous results indicated that severe truncations of the 5' exon of the actin pre-mRNA result in a block to the second splicing step in vitro in yeast extracts, leading to an accumulation of intron-exon 2 l...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Heather L Wiegand Shihua Lu Bryan R Cullen

Intron-containing genes are generally expressed more effectively in human cells than are intronless versions of the same gene. We have asked whether this effect is due directly to splicing or instead reflects the action of components of the exon junction complex (EJC) that is assembled at splice junctions after splicing is completed. Here, we show that intron removal does not enhance gene expre...

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