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Mojdeh Dinarvand

Mojdeh Dinarvand

Doctor of Philosophy – University of Sydney, Sydney, Australia

About

20
Publications
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149
Citations
Introduction
The Application of Systems Biology and Bioinformatics Approaches in Host-Pathogen Interactions

Publications

Publications (20)
Article
Infection triggers a dynamic cascade of reciprocal events between host and pathogen wherein the host activates complex mechanisms to recognise and kill pathogens while the pathogen often adjusts its virulence and fitness to avoid eradication by the host. The interaction between the pathogen and the host results in large-scale changes in gene expres...
Preprint
Full-text available
Purpose Despite the high incidence of false positives, prostate specific antigen (PSA) screening remains a widely used diagnostic test for prostate cancer, driving an urgent need for the discovery of better biomarkers for early prostate cancer detection. Extracellular vesicles (EV) secreted from cancer cells are present in various biological fluids...
Preprint
Full-text available
Infection triggers a dynamic cascade of reciprocal events between host and pathogen wherein the host activates complex mechanisms to recognise and kill pathogens while the pathogen adjusts its virulence and fitness to avoid eradication by the host. The interaction between the pathogen and the host results in large-scale changes in gene expression i...
Preprint
Full-text available
Brevundinomas diminuta is known as an opportunistic pathogen and is rarely associated with invasive infections in humans causing infection in the different parts of the body. In this study, we identified three B. diminuta isolates from three patients with an initial diagnosis of pertussis. Isolates were confirmed using biochemical tests and 16s rRN...
Article
Full-text available
Marine natural products (MNPs) have been an important and rich source for antimicrobial drug discovery and an effective alternative to control drug resistant infections. Herein, we report bioassay guided fractionation of marine extracts from sponges Lendenfeldia, Ircinia and Dysidea that led us to identify novel compounds with antimicrobial propert...
Article
Full-text available
Drug resistant bacteria have emerged, so robust methods are needed to evaluate combined activities of known antibiotics as well as new synthetic compounds as novel antimicrobial agents to treatment efficacy in severe bacterial infections. Marine natural products (MNPs) have become new strong leads in the drug discovery endeavor and an effective alt...
Preprint
Full-text available
Marine natural products (MNPs) have become new strong leads for antimicrobial drug discovery and an effective alternative to control drug resistant infections. Herein we report the bioassay guided fractionation of marine extracts from sponges Lendenfeldia, Ircinia and Dysidea that led us to identify novel compounds with antimicrobial properties. Te...
Article
Full-text available
Drug similarity studies are driven by the hypothesis that similar drugs should display similar therapeutic actions and thus can potentially treat a similar constellation of diseases. Drug-drug similarity has been derived by variety of direct and indirect sources of evidence and frequently shown high predictive power in discovering validated reposit...
Preprint
p> Drug similarity studies are driven by the hypothesis that similar drugs should display similar therapeutic actions and thus can potentially treat a similar constellation of diseases. Drug-drug similarity has been derived by variety of direct and indirect sources of evidence and frequently shown high predictive power in discovering validated repo...
Preprint
Full-text available
Multidrug resistant bacteria have emerged as a threat to public health all over the world. At the same time, the discovery of new bioactive small molecules with antimicrobial activity and suitable pharmacological properties has waned. Herein we report the screening of marine extracts to identify novel compounds with antimicrobial activity. Bioassay...
Article
Full-text available
The aim of this study was obtain a model that maximizes growth and production of inulinase and invertase by Aspergillus niger ATCC 20611, employing response surface methodology (RSM). The RSM with a five-variable and three-level central composite design (CCD) was employed to optimize the medium composition. Results showed that the experimental data...
Article
Full-text available
Antibiotic resistance in bacteria incurs fitness cost, but compensatory mechanisms may ameliorate the cost and sustain the resistance even under antibiotics-free conditions. The aim of this study was to determine compensatory mechanisms of antibiotic resistance in H. pylori. Five strains of levofloxacin-sensitive H. pylori were induced in vitro to...
Article
Full-text available
The present study was conducted to investigate the effects of culture conditions on folate production by Streptococcus thermophilus BAA-250. Lactose (3g/L) and yeast extract (20g/L) were found to be the more suitable carbon and nitrogen sources for folate production by S. thermophilus BAA-250. para-aminobenzoic acid (pABA) higher than 1 μM had no s...
Article
Full-text available
The study is to identify the extraction of intracellular inulinase (exo- and endoinulinase) and invertase as well as optimization medium composition for maximum productions of intra- and extracellular enzymes from Aspergillus niger ATCC 20611. From two different methods for extraction of intracellular enzymes, ultrasonic method was found more effec...
Article
Full-text available
Background: Inulinase is a versatile enzyme from glycoside hydrolase family which targets the β-2, 1 linkage of fructopolymers. In the present study, the effect of medium composition and culture conditions on inulinase production by Aspergillus niger ATCC 20611 was investigated in shake-flasks. Results: The highest extracellular inulinase (3199 U/...
Article
Full-text available
The present study was conducted to determine the optimal conditions for invertase production by Aspergillus niger ATCC 20611. Sucrose and the combination of yeast extract and NaNO3 was found to the more suitable carbon and nitrogen sources, respectively for invertase production by A. niger. The strain produced high amount of extracellular invertase...
Conference Paper
Full-text available
In modern pharmacology, about half of the useful drugs are derived from natural sources where drug discovery from nature is an attractive subject for researchers. Monascus spp. has the ability in producing a collection of useful secondary metabolite which can be applied in food, cosmetic and pharmaceutics. In this study, the potential of Monascus p...

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Projects

Projects (5)
Project
To understand of infectious disease, as well as its treatment and prevention