Progress in Biological Sciences
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Comparative responses of two Trigonella species to salinity and drought stresses in vitro
(University of Tehran Press, 2015-07-01)Effects of salinity and drought on growth, contents of proline, malondialdehyde (MDA), proteinand activity of antioxidative enzymes were studied in two Trigonella species. Seeds andexplants of T. foenum-graecum ...
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Diversity of chromosome numbers and meiotic studies in genus Anchusa (Boraginaceae) from Iran (10 Nov 2015)
(University of Tehran Press, 2015-07-01)The present study reports the chromosome number and meiotic behaviour of 14 populationsbelonging to four taxa of Anchusa subgenus Buglossum Gusul. from Iran. All populationsshowed the chromosome number 2n= 4x= ...
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The effect of diazinon exposure on hepatic tissue and enzymes in male frog Rana sridibunda
(University of Tehran Press, 2015-07-01)The purpose of this study was to examine the acute and sub-acute effects of diazinon onhistopathological parameters of liver tissue and blood level of hepatic enzymes of male commonfrog (Rana ridibunda). Frogs ...
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Optimization of alkaline protease production from a locally isolated Bacillus sp. ZR-5: Potential application as a detergent additive
(University of Tehran Press, 2015-07-01)The aim of this study was to optimize protease production using a novel Bacillus sp. ZR-5 strainisolated from the soil, and evaluate its application in detergent industry. The proteolytic activityof the strain ...
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Effects of soil conductivity on properties of saffron corms and in vitro production of its style explants
(University of Tehran Press, 2015-07-01)Saffron is the dried stigmas of Crocus sativus L., a member of the Iridaceae family which ispropagated by means of corms. Corms are faced with many stresses in soil. Therefore, it isimportant to reduce these ...
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Aggregation of adult and fetal hemoglobin by ingested nitrate anions
(University of Tehran Press, 2015-07-01)The ingested nitrates sourced from tap water, food, chemicals and pharmaceuticals areconverted to nitrites in the body surfaces by bacteria and then, the nitrite ions can lead thestructural changing in hemoglobin. ...
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Effects of liquid, temporary immersion bioreactor and solid culture systems on micropropagation of Lilium ledebourii via bulblet microscales— An endangered valuable plant with ornamental potential
(University of Tehran Press, 2015-07-01)Lilium ledebourii (Baker) Boiss. (Liliaceae) is a critically endangered lily species native tonorthern Iran, where it is protected by law. In order to develop a cost effective method for largescalepropagation, ...
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Amount of Mn and Zn in herbaceous plants growing on industrial area of steel production companies in southeast of Ahvaz, Iran
(University of Tehran Press, 2015-07-01)In the present study, a field study was performed on some herbaceous plants growing in thesoutheast of Ahvaz, where some metal producing industries are active. The aim of this studywas to investigate and compare ...
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Isolation and identification of native sulfuroxidizing bacterium capable of uranium extraction
(University of Tehran Press, 2015-07-01)Bioleaching is the extraction of metals from their ores through the use of microorganisms. Inthis process, the use of native bacteria leads to achieve more yields of metals. So, in the presentstudy, native ...
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Influential feeding dynamics of sharks and mathematical formulas to estimate the power of biting by morphological data
(University of Tehran Press, 2015-07-01)The mouths of some bony and cartilaginous fishes are located in the anterior part of theirbodies, with a slight variation in sharks, which have theirs located in the abdominal part. Thisvariation is evolutionary ...
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Flavonoid Patterns and their Diversity in ten Stachys L. (Lamiaceae) Species from Iran
(University of Tehran Press, 2014-12-01)Stachys genus with medicinal properties and high polymorphic features has been considered oneof the largest genera of Lamiaceae. The aim of this study was to determine the flavonoid patternvariations and flavonoid ...
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Dendrosomal nano-curcumin; The novel formulation to improve the anticancer properties of curcumin
(University of Tehran Press, 2015-07-01)Curcumin is a hydrophobic polyphenol extracted from the plant curcuma longa with establishedanticancer properties. However, curcumin benefits have been impaired by its very low watersolubility, low absorption, ...
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Re-assessment of subspecific taxa in Astragalus section Anthylloidei (Fabaceae) based on molecular evidence
(University of Tehran Press, 2014-12-01)The taxonomic and phylogenetic status of several taxa previously recognized as subspecies inAstragalus sect. Anthylloidei is re-assessed based on DNA sequences and morphologicalfeatures. We focused on Astragalus ...
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Automatic classification of highly related Malate Dehydrogenase and L-Lactate Dehydrogenase based on 3D-pattern of active sites
(University of Tehran Press, 2014-12-01)Accurate protein function prediction is an important subject in bioinformatics, especially wheresequentially and structurally similar proteins have different functions. Malate dehydrogenaseand L-lactate ...
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A quantitative competitor PCR assay to detect genetically modified roundup-ready soybeans in commercially sold foods in Iran
(University of Tehran Press, 2014-12-01)Due to ever-increasing global diffusion and related socio-economic implications, the detectionof genetically modified organisms (GMOs) is very important. In this study, we design a plasmidcontaining two genes ...
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Demystifying EPR: A Rookie Guide to the Application of Electron Paramagnetic Resonance Spectroscopy on Biomolecules
(University of Tehran Press, 2014-12-01)Electron Paramagnetic Resonance (EPR) spectroscopy, also known as Electron Spin Resonance(ESR) especially among physicists, is a strong and versatile spectroscopic method forinvestigation of paramagnetic systems, ...
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Genetic worth and stability of selection indices in rice (Oryza sativa L.)
(University of Tehran Press, 2014-12-01)Improvement of one trait on its own will affect the performance of other traits because ofgenotypic correlations between traits. Index selection is one of the tools used by plant breedersto overcome this problem. ...
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Appraisal of the entire mitochondrial genome for DNA barcoding in birds
(University of Tehran Press, 2014-12-01)DNA barcoding based on a standardized region of 648 base pairs of mitochondrial DNAsequences from Cytochrome C Oxidase 1 (COX1) is proposed for animal species identification.Recent studies suggested that DNA ...
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Comparison of MAPK and thioredoxin gene expression in wheat seedlings exposed to silver nitrate and silver nanoparticle
(University of Tehran Press, 2016-12-01)The extensive use of heavy metals and nanoparticles (NPs) has led to their release into the environment that might have negative impacts on both organisms and the environment. In this study, the molecular responses of wheat ...
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Simple procedure for production of short DNA size markers of 100 to 2000 bp
(University of Tehran Press, 2016-12-01)DNA size markers (ladder) are essential tools in molecular biology, genetics and biotechnology. In this study, a simple and cost-effective method for laboratory production of DNA ladders is introduced. For this purpose, ...



