Songul Yasar yildiz

Songul Yasar yildiz
Istanbul Medeniyet Universitesi · Department of Bio-Engineering

Doctor of Philosophy

About

20
Publications
4,125
Reads
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183
Citations
Additional affiliations
September 2018 - present
Istanbul Medeniyet Universitesi
Position
  • Research Assistant
September 2011 - September 2017
Marmara University
Position
  • Research Assistant
September 2011 - September 2017
Marmara University
Position
  • Research Assistant
Description
  • General Biology, Microbiology, Molecular Biology, Bioengineering
Education
September 2011 - April 2017
Marmara University
Field of study
  • Bioengineering
September 2009 - July 2011
Marmara University
Field of study
  • Bioengineering
September 2004 - June 2009
Bogazici University
Field of study
  • Molecular Biology and Genetics

Publications

Publications (20)
Article
Full-text available
Parageobacillus thermantarcticus strain M1 is a Gram-positive, motile, facultative anaerobic, spore forming, and thermophilic bacterium, isolated from geothermal soil of the crater of Mount Melbourne (74°22′ S, 164°40′ E) during the Italian Antarctic Expedition occurred in Austral summer 1986–1987. Strain M1 demonstrated great biotechnological and...
Article
Full-text available
Several exopolymers with different chemical composition and correspondingly variety in their physico-chemical properties from halophilic microorganisms have still been described, however, with a low production yield. Chromohalobacter canadensis 28 isolated from Pomorie saltern synthesized an unusual exopolymer (EP) containing 72% γ-polyglutamic aci...
Article
Full-text available
Unusual composition of an exopolymer (EP) from an obligate halophilic bacterium Chromohalobacter canadensis 28 has triggered an interest in development of an effective bioreactor process for its production. Its synthesis was investigated in 2‐L bioreactor at agitation speeds at interval 600‐1000 rpm, at a constant air flow rate of 0.5 vvm; aeration...
Chapter
Glycobiology is a glycan-based field of study that focuses on the structure, function, and biology of carbohydrates, and glycomics is a sub-study of the field of glycobiology that aims to define structure/function of glycans in living organisms. With the popularity of the glycobiology and glycomics, application of computational modeling expanded in...
Chapter
Full-text available
Microbial exopolysaccharides (EPSs), one of the main groups of microbially produced biopolymers, have long been accepted as significantly important biomaterials in industrial areas. Therefore there is an increased interest in microbial EPSs that show great diversity and functions with unique and commercially relevant material properties. These biod...
Article
Brevibacillus thermoruber 423 is a thermophilic bacterium capable of producing high levels of exopolysaccharide (EPS) that has broad applications in nutrition, feed, cosmetics, pharmaceutical, and chemical industries, not to mention in health and bionanotechnology sectors. EPS is a natural, nontoxic, and biodegradable polymer of sugar residues and...
Article
High temperature in thermophilic niches determines unusual metabolic processes based on an ability of thermophilic microorganisms to synthesize unusual compounds. One of the strategies for active growth of this type of extremophiles is a synthesis of exopolysaccharides (EPSs). EPSs from thermophiles are characterized by unknown before composition o...
Article
Full-text available
Brevibacillus thermoruber 423 is a Gram-positive , motile, red-pigmented, spore-forming, aerobic, and thermophilic bacterium that is known to produce high levels of exopolysaccharide (EPS) with many potential uses in food, feed, cosmetics, and pharmaceutical and chemical industries. This bacterium not only is among the limited number of reported th...
Article
Full-text available
Plasminogen activator inhibitor-1 (PAI-1) is the main inhibitor of plasminogen activators, such as tissue-type plasminogen activator (t-PA) and urokinase-type plasminogen activator (u-PA), and a major regulator of the fibrinolytic system. PAI-1 plays a pivotal role in acute thrombotic events such as deep vein thrombosis (DVT) and myocardial infarct...
Article
Full-text available
Aims: This study aims to identify a high level exopolysaccharide (EPS) producer thermophile that in turn could be used as a model organism to study the biological mechanisms and whole genome organization of EPS-producing thermophilic bacteria. Methods and Results: Thermophilic isolates were screened, and then growth and EPS production of the best p...
Article
Full-text available
Vitiligo is a common skin condition with a complex pathophysiology characterized by the lack of pigmentation due to melanocyte degeneration. In this study, we investigated PAI-1 antigen (Ag) and activity levels in a 34 year old male with extensive vascular disease, alopecia areata and vitiligo. Fasting PAI-1 Ag and activity levels were measured at...
Article
This study aims to identify a high level EPS producer thermophile that in turn could be used as a model organism to study the biological mechanisms and whole genome organization of EPS-producing thermophilic bacteria. Thermophilic isolates were screened and then growth and EPS production of the best producer Brevibacillus thermoruber strain 423 wer...
Article
Full-text available
Brevibacillus thermoruber strain 423 is a Gram-positive, spore-forming, aerobic, and thermophilic bacterium that produces mannogalactoglucan exopolysaccharide (EPS). We report the draft genome sequence of B. thermoruber 423, which will accelerate research on the cellular organization of thermophilic bacteria, as well as the rational design and opti...
Data
##Assembly-Data-START## Sequencing Technology :: Sanger dideoxy sequencing ##Assembly-Data-END##
Article
Brevibacillus thermoruber strain 423 is a Gram-positive, spore-forming, aerobic, and thermophilic bacterium that produces mannogalactoglucan exopolysaccharide (EPS). We report the draft genome sequence of B. thermoruber 423, which will accelerate research on the cellular organization of thermophilic bacteria, as well as the rational design and opti...

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Projects

Project (1)
Project
A main objective of the project is the investigation of the suitability of EP synthesized by Chromohalobacter canadensis 28 for use in cosmetic industry by a development of a laboratory technology for its production followed by study of its biocompatibility, moisturizing, antiaging, anti-irritant and lifespan enhancer activities.