نتایج جستجو برای: genome
تعداد نتایج: 229243 فیلتر نتایج به سال:
تخمین سیتوفتومتری 4C DNA سلولها نوک ریشه و تجزیه کاریوتیپ ده رقم شنبلیله(Trigonella foenum-graecum) انجام شده است. تعداد کروموزومهای سوماتیک 16=n2 برای همه رقمها ذکر میشود. تجزیه جزیی کاریوتیپ نشان دهنده ویژگیهای کروموزومی اختصاصی ارقام و جابجایی ساختاری کمی در کروموزومهای ژنوم است. محتوای 4C DNA از pg 11/9 در رقم TG-41 تا pg420/12 در رقم TG-03 تغییر نمود. دگرگونی معنیداری در طول، حجم و در...
thymus is a medicinal plant which contains one of the world's top ten essential oils, exhibiting antibacterial, antioxidative, food preservative and mammalian age-delaying properties. this work was aimed at identifying between-species variations requiring for selecting appropriate parents for hybridization. six iranian endemic thymus accessions belonging to thymus daënensis, t. eriocalyx and t....
Background Methods for haplotyping and DNA copynumber typing of single cells are paramount for studying genomic heterogeneity and enabling genetic diagnosis. Before analyzing the DNA of a single cell by microarray or next-generation sequencing, a whole-genome amplification (WGA) process is required, but it substantially distorts the frequency and composition of the cell’s alleles. As a conseque...
Background Methods for haplotyping and DNA copynumber typing of single cells are paramount for studying genomic heterogeneity and enabling genetic diagnosis. Before analyzing the DNA of a single cell by microarray or next-generation sequencing, a whole-genome amplification (WGA) process is required, but it substantially distorts the frequency and composition of the cell’s alleles. As a conseque...
Glycyrrhiza is one of the important medicinal plants that is in danger of extinction. Search for finding accessions that have a higher glycyrrhizic acid is very important in breeding programs. Functional genomics methods such as EST sequencing prepare the ability to identify consensus gene families among studied species and interpretation of the genome. In this research, 55960 EST sequences of ...
دراین مطالعه ردیابی جایگاه های صفت کمی (qtl)درصد چربی شیر در جمعیت هلشتاین ایران با استفاده از 10 جفت نشانگر ریزماهواره مربوط به کروموزوم 14 شامل: ilsts039, cssm066, ilsts011,cbdikm002, cbdikm004, dik5080, dik4884, dik4361, dik258, bm1508, که از بانک اطلاعاتی جهانی ژنوم گاو (http://www.marc.usda.gov/genome) استخراج شده بود، مورد بررسی قرار گرفت. نمونه خون از 10 خانواده پدری شامل 232 نتاج گاو ما...
Cattle supply an important source of nutrition for humans in the world. CpG islands (CGIs) are very important and useful, as they carry functionally relevant epigenetic loci for whole genome studies. As a matter of fact, there have been no formal analyses of CGIs at the DNA sequence level in cattle genomes and therefore this study was carried out to fill the gap. We used hidden markov model alg...
Background: The genome of the bacteria has considerable diversity in terms of sequence of nucleotide bases and change over the time. With the advancement of bioinformatics science possibility of the vast comparison to living organisms has risen. During the last two decades many information about genome sequencing of pathogenic and non-pathogenic bacteria have been published. Using this informat...
Growing amount of information on biological sequences has made application of statistical approaches necessary for modeling and estimation of their functions. In this paper, sensitivity and specificity of the first and second Markov chains for prediction of genes was evaluated using the complete double stranded DNA virus. There were two approaches for prediction of each Markov Model parameter,...
Background: Haplotyping is invaluable not only to identify genetic variants underlying a disease or trait, but also to study evolution and population history as well as meiotic and mitotic recombination processes. Current genome-wide haplotyping methods rely on genomic DNA that is extracted from a large number of cells. Thus far random allele drop out and preferential amplification artifacts of...
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