نتایج جستجو برای: molecular study

تعداد نتایج: 4449661  

2017
Xia Hua Lindell Bromham

A growing body of evidence suggests that rates of diversification of biological lineages are correlated with differences in genome-wide mutation rate. Given that most research into differential patterns of diversification rate have focused on species traits or ecological parameters, a connection to the biochemical processes of genome change is an unexpected observation. While the empirical evid...

Journal: :Development, growth & differentiation 2010
Ming Chen Shaolei Lv Yijun Meng

Epigenetic research is at the forefront of plant biology and molecular genetics. Studies on higher plants underscore the significant role played by epigenetics in both plant development and stress response. Relatively recent advances in analytical methodology have allowed for a significant expansion of what is known about genome-wide mapping of DNA methylation and histone modifications. In this...

Journal: :International journal of epidemiology 2015
Hannah R Elliott Therese Tillin

A molecular epidemiology project on diet and cancer: the EPIC-Italy prospective study. Design and baseline characteristics of participants. Relative validity and reproducibility of a food frequency dietary questionnaire for use in the Italian EPIC centres. Valle C et al. B-vitamins intake, DNA-methylation of one carbon metabolism and homocyst-eine pathway genes and myocardial infarction risk: t...

Urmia Lake is the largest lake in the Iranian plateau and the second largest Salt Lake in the world. This study was conducted to identify hypersaline bacteria in the lake through the screening with molecular markers. For the molecular study of the bacterial microbiome of the lake, samples were collected from water, sludge and soil of the different parts of the lake during different seasons of 2...

Akbar Dorgalaleh, Farhad Zaker, Hasan Mollanoori, Hojat Shahraki, Majid Fathi, Maryam Daneshi, Omolbanin Sargazi-Aval, Shadi Tabibian, Shahram Teimourian,

Background: Congenital factor XIII (FXIII) deficiency is one of the rarest bleeding disorders with a prevalence of one per 2 million in the general population. The disorder is accompanied by a high rate of life-threatening bleeding. Due to normal results of routine coagulation tests, diagnosis of the disorder is challenging, but molecular methods can be used for precise diagnosis. Direct mutati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...

Journal: :Journal of Chemical Theory and Computation 2014

Journal: :iranian journal of parasitology 0
pooya ghasemi nejad almani leishmaniasis research center, kerman university of medical sciences, kerman, iran iraj sharifi leishmaniasis research center, kerman university of medical sciences, kerman, iran bahram kazemi cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran biotechnology dept., school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran zahra babaei leishmaniasis research center, kerman university of medical sciences, kerman, iran mojgan bandehpour cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran biotechnology dept., school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran samira salari research center for tropical and infectious diseases, kerman university of medical sciences, kerman, iran

background: leishmaniasis represents a major public health concern in tropical and sub-tropical countries. at present, there is no efficacious vaccine against the disease and new control methods are needed. one way to access this important goal is to knock out genes of specific macromolecules to evaluate the effect of deletion on the growth, multiplication, pathogenesis and immunity of the para...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...

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