background: sustainable and commercial production of taxol as an anti cancer drug is a critical point to its clinical application. nowadays, hazel because of rapid growth and wide range distribution is considered as an alternative source of taxol. objective: to increase taxol production the cdna encoding 3-hydroxy-3-methylglutaryl-coa reductase (hmgr) from iranian hazel (genebank accession numb...

The growth hormone gene could be an attractive candidate gene for milk production in goats. Single-strand conformation polymorphism was used to identify polymorphism at the goat growth hormone (gGH) gene. For this purpose, genotyping of 90 Talli goat breeds was performed. Nine conformational patterns were observed in exon 4 of the gGH gene, with frequencies of 27.7% for the homozygous pattern (...

Introduction: Enterococci are gram-positive coccoid bacteria that are present in the normal flora of the gastrointestinal tract in human, and many mammals and birds, as well as the environment. Vancomycin-resistant Enterococci (VRE) are a major and rising problem in hospitals throughout the world. The present study aimed to investigate the frequency of strains of Enterococci and the pattern of ...

This study was carried out to determine some biological characteristics including age, growth and somatic condition of Carasobarbus luteus and Capoeta trutta in the Turkish part of the Tigris River. The examined samples of C. luteus were distributed between II-IX years of age. The length-weigth relations of females and males were calculated as Log W =-4.7314 +3.0113 Log FL and Log W = -4.7631 +...

Background: Stevia rebaudiana Bertoni, an important anti-diabetic medicinal plant, becomes an inevitable alternative to sugar. Due to the propagation difficulties, tissue culture is the best alternative for rapid mass propagation of stevia plants. Objective: The present study was conducted to optimize a protocol for rapid micropropagation of Stevia rebaudiana by shoot tip explants and to inv...

this study determines the impact of e-commerce (ec) on some of important economic criteria including total factor productivity( tfp) of iran country as a developing country in comparison with us standard as a developed country through analyzing and calculating interrelated issues. the model is based on both econometrics and growth accounting approach to fill the gaps of previous studies. on the...