Mitochondrial DNA (mtDNA) has been used extensively to study population genetics because it has the unique features of maternal inheritance, a relatively fast rate of evolution and lack of recombination. A total of 82 unrelated sheep from 10 Iranian indigenous sheep breeds were investigated to determinate the maternal genetic diversity using a sequence of a 685 bp segment of the displacement lo...

assessing genetic biodiversity and population structure of minor populations through the information provided by neutral molecular markers, allows determination of their extinction risk and to design strategies for their management and conservation. analysis of microsatellite loci is known to be highly informative in the reconstruction of the historical processes underlying the evolution and di...

sunflower, (helianthus annuus) is considered as an important oilseed crop grown in many countries including iran. in recent years, tobacco streak virus (tsv) has been found in sunflower fields in iran. tsv is a type member of ilarviruses, and infects a wide range of crops as well as weeds. in this survey and during 2008, two isolates of sunflower and one isolate of faba bean collected from, ira...

background and objectives: chlorophyceae are important constituents of marine phytoplankton. the taxonomy of chlorophyceae was traditionally based solely on morphological characteristics. in the present research project, genetic diversity was investigated to analyze five species of chlorophyceae from waters of the persian gulf. materials and methods:   a clone library of the ribosomal small sub...

a restriction-site analysis of chloroplast dna (cpdna) was carried out to evaluate the levelof diversity in vicia faba l. germplasm selected from different geographical regions using 11 restrictionendonucleases. we analyzed 214 restriction sites in 18 accessions of vicia faba. all of the accessionshad identical cpdnas, pointing out the ancestral character of all the accessions are of only one g...

macrophomina phaseolina is an important soil-borne pathogen causing charcoal rot in many important crop plants including sesame, in iran. a total of 60 isolates of m. phaseolina were collected from the main sesame producing regions in ten provinces of iran. the genetic diversity among m. phaseolina populations was estimated using inter-simple sequence repeat (issr), focusing particularly on geo...

chamomile is a medicinal plant with high economic value. in this research, 20 chamomile ecotypes collected from different regions of iran were evaluated for genetic and chemical diversity. dna was extracted by ctab and polymerase chain reaction was performed using 13 rapd markers. essential oils extraction was performed by water distillation using clevenger system. components of the essential o...