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Background: Non-Iranian Primary Tritipyrum (2n=6x=42, AABBEbEb) set seed after Triticale (2n=6x=42, AABBRR) and Tritordeum (2n=6x=42, AABBHcHc) but, due to a few undesirable agronomic traits, it cannot fulfil the commercial expectations of farming. Objectives: To remove these deficiencies, six hexaploid Tritipyrum lines were crossed with four Iranian bread wheat cultivars which led to the...

In this study the effect of a methylated derivative of nitrogen mustard (mechloroethamin) on solubilized and reconstituted chromatin was investigated using UVNis spectroscopy, DNA and SDS gel electrophoresis and densitomeoic scanning techniques, The results indicated that the 210 and 260 nm absorbances of reconstituted chromatin were decreased in a dose-dependent manner after treatment wit...

Duplex DNA incubated with adriamycin, dithiothreitol (DTT), and Fe3+ under aerobic, aqueous conditions yields double-stranded (DS) DNA bands by denaturing polyacrylamide gel electrophoresis (DPAGE) analysis, characteristic of DNAs which are interstrand cross-linked. Another laboratory has provided evidence that formaldehyde produced under these conditions promotes the covalent linkage of adriam...

We evaluated the ability of randomly amplified polymorphic DNA (RAPD) to type citrinin-producing Penicillium citrinum (P. citrinum) strains recovered from the forest's air in northern Iran. A total of 12 P. citrinum strains (P1-P12) were characterised by citrinin production and random amplification of polymorphic DNA (RAPD) technique. All the strains produced citrinin with levels ranging from 1...

Genetically, every individual is unique; this may stem from inheritance, geographical locations, and/or environmental interactions. This study examined the possibility of developing a cheap and easy-to-use marker that can distinguish among the three ethnic groups in Nigeria using RAPD-PCR. Five RAPD primers, OPA1-3 and OPC1-2, were randomly selected and used to amplify DNA samples isolated from...

A Polymerase Chain Reaction (PCR) of a DNA sequence containing a CA repeat produces a main band but also several shadow bands that differ by 2 base pairs below the main band. In the experiments described in this paper, these shadow bands were excised from a DNA sequencing gel and directly sequenced. It was found that the sequence in the CA repeat was ambiguous. However, the sequence 5' and 3' t...