نتایج جستجو برای: genomic
تعداد نتایج: 115648 فیلتر نتایج به سال:
In the present study two genetically connected small and large populations were simulated and the effect of different sources of information from foreign populations on the accuracy of predicted genomic breeding values of young animals of the small population was investigated. A large population consist of 200000 animals over 15 generations and a small population consist of 5000 animals over 3 ...
brucellosis is an infectious disease with high impact on innate immune responses which is induced partly by its dna. in the present study the potential differences of wild type and patients isolates versus attenuated vaccine strains in terms of cytokines, ros and no induction on murine splenocytes and peritoneal macrophages were investigated. this panel varied in base composition and included d...
پس از شرح مختصری در مورد تولد دانش سیتوژنتیک (1956) و کاربرد آن در پزشکی (1959) به عنوان آزمایش ارزنده ای برای تشخیص بیماریهای ارثی ناشی از ناهنجاریهای کروموزومی، محدودیت دامنه کارآیی آن، محققین را بر آن داشت روش های نواری banding را کشف و به کار گیرند. این روش توانست بسیاری از مشکلات و محدودیت های قبلی را مرتفع نماید ولی باز در مواردی به ویژه در نمونه هایی که امکان کشت بافت مقدور نبود، همچنین...
leishmania is a protozoan parasite belonging to the family trypanosomatidae, which is found among 88 different countries. the parasite lives as an amastigote in vertebrate macrophages and as a promastigote in the digestive tract of sand fly. it can be cultured in the laboratory using appropriate culture media. although the sexual cycle of leishmania has not been observed during the promastigo...
Genomic selection is a promising challenge for discovering genetic variants influencing quantitative and threshold traits for improving the genetic gain and accuracy of genomic prediction in animal breeding. Since a proportion of genotypes are generally uncalled, therefore, prediction of genomic accuracy requires imputation of missing genotypes. The objectives of this study were (1) to quantify...
introduction genetic evaluation and estimation of breeding value are one of the most fundamental elements of breeding programmes for genetic improvement. recently, genomic selection has become an efficient method to approach this aim. the accuracy of estimated genomic breeding value is the most important factor in genomic selection. different studies have been performed addressing the factors a...
conclusions antibiotic resistance gene cassettes may be carried on integron or other genetic elements. the purpose of this study was to detect integron or genomic islands involved in antibiotic resistance profile of the isolates of h. influenzae collected in this study. results of the twenty isolates, all (100%) were resistant to clindamycin, chloramphenicol and tetracycline, 95% to amoxicillin...
background: extraction of blood genomicdnais one of the main approaches for clinical and molecular biology studies. although several methods have been developed for extraction of blood genomic dna, most of these methods consume long time and use expensive chemicals such as proteinase k and toxic organic solvent such as phenol and chloroform. the objective of this study was to developed easy and...
از آنجا که گندم نان (t. aestivum) دارای ژنوم d می باشد، دارندگان ژنوم d از جنس aegilops، می تواند به عنوان منبع آللی مفید قابل انتقالی به گندم نان مورد استفاده قرار گیرد. در این تحقیق نحوه تقارن کاریوتایپی دارندگان ژنوم d از جنس aegilops و نیز گونه t. aestivum، جهت بررسی ارتباطات تکاملی آنها مورد بررسی قرار گرفته است. در حدود 11 جمعیت متعلق به هفت گونه دارنده ژنوم d برای این بررسی مورداستفاده ق...
Nutrigenomics applies genomic technologies to study how nutrients affect expression of genes. With the advent of the post genomic era and with the use of functional genomic tools, the new strategies for evaluating the effects of nutrition on production efficiency and nutrient utilization are becoming available. Nutrigenomics plays an efficient role in various fields of animal health like nutrit...
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