Ramin Hosseini
Biotechnology Department, Faculty of Agricultural Sciences and Natural Resources, Imam Khomeini International University, Qazvin, Iran.
[ 1 ] - A New Approach for Olive (Arbequina cv.) Micropropagation: Effect of Dikegulac, Light and Carbon Source
Micro-propagation of olive provides the possibility of producing clones of native plants with appropriate attributes and mass reproduction in short period of time, compared to conventional methods. Apical dominance in olive explants limits the growth of lateral branches in vitro. The effect of Woody Plant Medium (WPM), Olive Medium (OM) and Murashig and Skoog (MS) with carbohydrate source (mann...
[ 2 ] - A high genetic diversity revealed between commercial rose cultivars by RAPD-PCR technique
Genetic diversity between fifteen commercial cultivars of rose were evaluated, using Ten decamer primers (A-J). All primers detected polymorphism among the cultivars. In total, 126 bands were produced, 73 of which were polymorphic. Primers E and F produced the highest, while primer H produced the lowest number of bands. The percentage of polymorphic bands ranged from 37% to 81% with an average ...
[ 3 ] - Somatic embryogenesis and bulblet production in Narcissus papyraceus cv. Shirazi: effect of plant growth regulators, light intensity, sucrose concentration, methyl jasmonate and anti-gibberellins
Generally, narcissus is propagated through vegetative methods, but due to their low yield their are not economical. This study was conducted to develop a suitable method for the production of somatic embryos and bulblets in Narcissus papyraceus cv. Shirazi. Bulb scales were placed on the MS medium supplemented with 2,4-D and BAP each at 0.0, 0.25, 0.5 or 1 mg/l concentrations to form somatic em...
[ 4 ] - A molecular survey on the genetic variation and mating type of Erysiphe necator Schw. isolates found in Iran, using RAPD technique
Powdery mildew caused by Erysiphe necator, is one of the most economically damaging diseases of grapevine throughout the world. This is the first molecular biology study on this fungus in Iran. The aims of the present study were (a) to analyse genetic diversity between isolates of E. necator fungus in four main grape production regions in Iran, i. e., Qazvin, Alamoot, Takestan and Shahriar and ...
[ 5 ] - The Possible Role of Atp6 Gene in Cytoplasmic Male Sterility in WA (Wild Abortive) Type of Rice (Oryza sativa L.)
The possibility of occurrence of some rearrangements inside and or around coxII and atp6 genes and their relationship with male sterility in rice lines having wild abortive (WA) cytoplasm was studied. Two sterile (IR58025A and IR62829A) and two maintainer lines (IR58025B and IR62829B) were used. Radioactive Southern blotting was employed to carry out the experiments. The hybridization of coxII...
[ 6 ] - Improving Pistacia vera micropropagation: with emphasis on the efficiency of minerals, vitamins and plant growth regulators
A complete micropropagation protocol was developed for Pistacia vera cv. Ghazvini, an important rootstock in Pistachio orchards in Iran. In present study, the efficiency of a new medium called GNH (Garoosi, Nezami and Haddad) was investigated against some standard media. Different vitamins, calcium (Ca) sources and plant growth regulators (PGRs) were tested on in vitro shoot multiplication and ...
[ 7 ] - Increasing vitamin E content of canola (Brassica napus L.) by transferring γ-tmt gene
Vitamin E is one of the lipid soluble vitamins consisting of several isoforms, including tocopherols and tocotrienols amongst which the alpha tocopherol is the most active one. The conversion of γ tocophrol to α tocopherol takes place by the activity of γ-tmt enzyme. Many plants including canola lack the γ-tmt gene to enable them to convert γ tocophrol into α tocopherol. The aim of this study w...
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