نتایج جستجو برای: genetic
تعداد نتایج: 614534 فیلتر نتایج به سال:
background blastocystis is a common protozoan parasite in mammals, birds, amphibians,reptiles, fish, arthropods, and annelids. this parasite has some subtypes, which pathogenicity status of them still remained controversial. some of blastocystis subtypes are potentially pathogenic to human. objectives this study has identified the blastocystis hominis subtypes and their prevalence rates in hama...
synthetic plants as well as wild crop species are valuable genetic resourses. to determine the genetic variation in triticale, tritipyrum as well as wheat lines, genomic dna of this amphiploid including thinopyrum bessarabicum and durum wheat were amplified using 32 random and 22 semi random primers. primers that could produce clear, polymorphic and repetitive bands are used for determination o...
Genetic discrimination as a crisis for modern human has influenced its life in personal or social aspects. The problem of genetic discrimination and the rights for individuals with genetic anomalies, is one of the most important issues in this century. With advancements of genetics and as new therapies become available, the usefulness of genetic testing undoubtedly will increase and concomitant...
The aim of this study was identifying different populations and determining the genetic characteristics of three different sub-adult stocks of Litopenaeus vannamei in hatchery of Iran Shrimp Research Center by microsatellites DNA markers in Bushehr province during from October to November 2019. Up to 50 individuals were sampled per stock, with equal contribution by sex. The tissue preserved in ...
Annual medics are used for hey production, soil protection, biological fixation of N2 and green manure. In the present study, the inter and intra specific genetic diversity and relatedness of 4 diploid and two tetraploid (M. rugosa and M. scutellata) annual medics were evaluated using microsatellite markers. PCR analysis was performed on genomic DNA from individual plant and PCR products were d...
Nuclear simple sequence repeats (nSSRs), together with 16 different enzyme loci, were used to analyzegenetic diversity and differentiation among beech (Fagus orientalis Lipsky) populations along two altitudinalgradients in Hyrcanian forests of Iran. Both enzymes and nSSR analyses revealed a high level ofgenetic diversity in natural populations of F. orientalis. The genetic div...
after parkinsonism, dystonia is the movement disorder most commonly encountered in movement disorder clinics. it is defined as a syndrome of sustained muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. dystonia is classified in three ways: age at onset, body distribution of abnormal movements, and etiology. the etiologic classification identifies fou...
در این پایان نامه، دو روش جدید برای کاهش نویز پواسون از تصاویر رادیوگرافی پزشکی در حوزه ویولت ارائه خواهد شد. در این روش ها ابتدا یک تابع آستانه جدید با عنوان آستانه گیری بیزشرینک ژنتیک bayesshrink genetic algorithm (bsga) ارائه شده و سپس با به کارگیری آن در چند طرح عملیاتی مختلف عملیات حذف نویز صورت می گیرد. در این روش ها از چندین ایده از جمله بهینه سازی آستانه گیری بیزشرینک به کمک روش بهینه س...
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