نتایج جستجو برای: dna marker
تعداد نتایج: 622833 فیلتر نتایج به سال:
The potential of different DNA based molecular markers was examined for the detection of single nucleotide polymorphism (SNP) in the waxy gene and a microsatellite (SSR) sequence closely linked to it in a collection of rice varieties. DNA was extracted from leaf samples of 68 different rice cultivars by the CTAB method and specific primers were designed for the amplification of waxy gene and SS...
a 9 bp deletion between cytochrome oxidase subunit ii and trna lys genes in mitochondrial dna, has proven to be an extremely informative marker for tracing population history. using the pcr-page and pcr-sscp techniques in this study, 152 dna samples collected from iranian populations were screened for the 9 bp deletion. no deletion was observed. a length polymorphism, most probably a 9 bp tripl...
Soybean is an important source of plant protein used in human diets. Cadmium (Cd) from agricultural soil a toxic metal for plants, including soybean. Furthermore, the cadmium taken up to seeds soybean and becomes risk animals by feed food chain. A method avoid this represented selection breeding lines/cultivars with genetic potential minimized accumulation. This work reports approach assisted D...
Specific methylases that have the properties of deoxyribonucleic acid (DNA) modification enzymes have been isolated from Haemophilus influenzae strain Rd. Two activities ((Methylase IIa and methylase III) were found to protect transforming DNA of H. parainfluenzae from the action of H. influenzae restriction enzymes. To determine the specificty of the protection, a procedure based on biological...
The results of marker-assisted identification the Rca2 anthracnose resistance gene in promising strawberry varieties were shown. DNA marker STS-Rca2_240, linked to allele was identified Albion and Aprica ( F. × ananassa ), variety Dar anashata ). Strawberry Alpha, Bereginya, Kokinskaya Zarya, Pamyati Zubova, Rubinovy kaskad, Slavutich, Yuniol, Big King, Brilla, Joly, Rumba Vivara are characteri...
Seven DNA variants that polymorphic genetic marker D16S752 reveals in Croatian population are reported in this paper. The marker is a GATA tetranucleotide repeat linked to human E-cadherin gene (CDH1). Prior studies involving this marker revealed only four DNA allele variants. The reported DNA variants contribute to the collection of hypervariable DNA polymorphisms data useful in the field of a...
Previous studies describe a correlation between HPV-positivity and non-smoking in TSCC; p16INK4A-expression as surrogate-marker for HPV-DNA/RNA-positivity is discussed controversial. Here, these parameters are assessed prospective, consecutive setting. HPV-status of sputum tonsillar swabs analyzed to determine their validity tissue-HPV-status.
Background: Endometriosis is one of the most common benign gynecological diseases which is characterized by endometriallike tissue growing outside the uterine cavity. Although the pathology of endometriosis remains unknown, the genetic predisposition plays an apparent role. Several genes have been contributed to endometriosis, but it seems KRAS has a crucial role, because its activation results...
We have demonstrated recombination of bacteriophage T7 DNA in vitro. An extract of Escherichia coli B cells infected with wild-type T7(T7+) is incubated with mature DNA extracted from T7 phage. Packaging of the exogenous DNA within the phage head appears to be preceded by recombination of exogenously added DNA with DNA present in the extracts. In order to detect the recombination, we used an ex...
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