نتایج جستجو برای: genetic study

تعداد نتایج: 4407415  

Habib Onsori, Hamed Talebi-Rad, Somayeh akrami

Elaeagnus angustifolia L. is a Eurasian tree that has become naturalized and has various ecological, medicinal and economical uses. In this study, a combination of morphological traits and RAPD markers were used to study the presence or absence of an association between genetic variation and morphological features among five populations of E. angustifolia collected from the East Azarbaijan of I...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2005
shohreh fatemi mohammad masoori ramin bozorgmehry boozarjomehry

this study is focused on the development of a systematic computational approach which implements genetic algorithm (ga) to find the optimal rigorous kinetic models.a general kinetic model for hydrogenolysis of dibenzothiophene (dbt) based on langmuir-hinshelwood type has been obtained from open literature. this model consists of eight continuous parameters(e.g., arrhenus  and van't hoff paramet...

D Fopp-Bayat, M Kucinski, P Kuzniar, R Kolman, T Liszewski,

The aim of the present study was the genetic analysis of the Dniester population of sterlet Acipenser ruthenus and comparison of it to five other sterlet populations, in order to develop a population recovery plan. The genetic analysis of six sterlet populations from Eurasian rivers (Dniester, Dnieper, Danube, Volga, Kama and Ob) was carried out using microsatellite DNA markers. The genetic var...

Journal: :journal of plant molecular breeding 2015
hajar abedinpour nad ali babaeian jelodar gholam ali ranjbar behrouz golein

having knowledge about genetic relationships among accessions is necessary for developing breeding strategies to produce improved cultivars. in present study, genetic diversity and inter-relationship among 29 genotypes of citrus were comparatively analyzed using morphological and rapd markers. significant variability was observed among citrus genotypes for 61 quantitative and qualitative morpho...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...

Journal: :دانش علف های هرز ایران 0
مرجان دیانت دانشجوی دکتری دانشگاه تهران علی اکبر شاه نجات بوشهری استاد دانشگاه تهران حسن علیزاده استاد دانشگاه تهران محمد رضا نقوی استاد دانشگاه تهران حمید رحیمیان مشهدی استاد دانشگاه تهران

the common reed (phragmites australis) is a perennial weed with the largest geographical distribution of any flowering plant in the world. in this study, 39 populations of common reed were collected and random amplified polymorphic dna (rapd) markers were used to characterize the genetic diversity among these populations. the 16 primers used in this study, amplified 149 scorable rapd bands amon...

2017
Sébastien Robiou-du-Pont Sonia S. Anand Katherine M. Morrison Sarah D. McDonald Stephanie A. Atkinson Koon K. Teo David Meyre

Previous genome wide association studies (GWAS) identified associations of multiple common variants with diastolic and systolic blood pressure traits in adults. However, the contribution of these loci to variations of blood pressure in early life is unclear. We assessed the child and parental contributions of 33 GWAS single-nucleotide polymorphisms (SNPs) for blood pressure in 1,525 participant...

2012
Ruth Flatscher Božo Frajman Peter Schönswetter Ovidiu Paun

The dualism of genetic predisposition and environmental influences, their interactions, and respective roles in shaping the phenotype have been a hot topic in biological sciences for more than two centuries. Heritable epigenetic variation mediates between relatively slowly accumulating mutations in the DNA sequence and ephemeral adaptive responses to stress, thereby providing mechanisms for ach...

2012
Katarzyna J. CHWEDORZEWSKA Piotr T. BEDNAREK

Poa annua L. is the only non−native vascular plant that was successfully estab− lished in the maritime Antarctic. This project aimed to determine the amount of genetic and epigenetic variation within and between two populations of P. annua, one from South Shet− land Is. (Antarctic) and the other one from Central Europe. We applied two AFLP marker systems, using endonucleases that recognised the...

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