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Dr. Julie Osayande

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Federik Van Eedenplein
 

Brief Biography:


I had a master’s degree in Molecular Biology and Biotechnology from the Vrije Universiteit Brussels (2004-2005), thereafter I obtained a scholarship to pursue a PhD degree. The title of my thesis was “Evolution of siderophore receptors in Pseudomonas aeruginosa”.

Ghysels et al. 2004 identified an alternative receptor P. aeruginosa  uses to assimilate iron bound to its siderophore (pyoverdine), and at the time of identification, a fragment of this alternative receptor gene called fpvB  (562 bp) was amplified by Polymerase Chain Reaction, (PCR). The aim of my thesis was to, using PCR to amplify about 2.5 kb size fragment of this gene (the fpvB gene is about 2.5 kb in the P. aeruginosa PAO1) in other clinical and environmental strains of P. aeruginosa. A collection of strains from the Woluwe River was used for this purpose (Pirnay et al. 2005) , I designed a series of external and internal primers to amplify and sequence this gene in these isolates and during the process of amplification , variant forms of the siderophore receptor genes were identified (Osayande J.O., 2010).

In the Queen Astrid Military Hospital, water samples from the NorthSea were collected by Pirnay Jean-Paul and Daniel De Vos and I was asked to analyze these samples for the presence of P. aeruginosa. From the experimental work carried out on these water samples, a probable P. aeruginosa strain was identified for the first time (at the time of my stay in the Laboratory) in the NorthSea in Belgium.

REFERENCES

1.Pirnay, J.P., Matthijs, S., Colak, H., Chablain, P., Bilocq, F., Van Eldere, J., De Vos, D., Zizi, M., Triest L., and Cornelis, P. 2005. Global Pseudomonas aeruginosa biodiversity as reflected in a Belgian river. Environ. Microbiol. 7(7): 969-980.

2.Ghysels, B., Dieu, B.T., Beatson, S.A., Pirnay J.P., Ochnser, U.A., Vasil, M.L. and Cornelis , P. 2004. FpVB, an alternative type I ferripyoverdine receptor of Pseudomonas  aeruginosa. Microbiology 150: 1671-1680.

3.Bodilis, J., Ghysels, B., Osayande, J., Matthijs, S., Pirnay, J.P., Denayer, S., De Vos, D., and Cornelis, P. 2009. Distribution and evolution of ferripyoverdine. April 21 [Epup ahead of print]. Environmental Biology

4.Osayande, J.O. 2010. Use of Polymerase Chain Reaction for the determination of about 2.5 kb FpvA and FpvB gene sequences in Pseudomonas aeruginosa. Internet Journal of Microbiology, Volume 7 number 2

5.Osayande, J.O. 2010. Easy Identification of Difficult to type Pseudomonas aeruginosa Clinical and Environmental Isolates. Internet Journal of Microbiology, Volume 7, number 2

6.Julie Osaretin Osayande (2011). Use of Polymerase Chain Reaction for the Determination of About 2.5 kb fpvA and fpvB Gene Sequences in Pseudomonas aeruginosa Strains, Microbes, Viruses and Parasites in AIDS Process, Prof. Vladimír Zajac (Ed.), ISBN: 978-953-307-601-0, InTech, DOI: 10.5772/23983.

7.Osayande J.O. 2013. Ferripyoverdine Receptors: A Probable Entrance Route for the good, the bad and the ugly. WebmedCentral MICROBIOLOGY 4(5):WMC004261 

 

Academic positions:


 2001 - 2002: LABORATORY ASSISTANT(HIV LAB) - CENTRAL HOSPITAL, BENIN - CITY IN NIGERIA
 2005-2007: LABORATORY EXPERIENCE (PhD thesis): LABORATORY OF MOLECULAR INTERACTIONS; DEPARTMENT OF MOLECULAR AND CELLULAR INTERACTIONS (MINT; VUB; BELGIUM)
 2007-2008: LABORATORY EXPERIENCE (PhD thesis): LABMCT, QUEEN ASTRID HOSPITAL, BELGIUM

 

 

Research interests:


In the past I had worked on Hibiscus rosasinensis anthocyanin (see below reference)
1. PREVENTION OF CARBON TETRACHLORIDE - INDUCED HEPATOTOXICITY IN THE RAT BY H.  rosasinensis ANTHOCYANIN EXTRACT ADMINISTERED IN ETHANOL. TOXICOLOGY 131 ,(1998) 93-98.
2. In 2005 I started a PhD thesis on siderophore receptors in Pseudomonas aeruginosa (see below references)

I am interested in researches involving HIV /AIDS  and infectious diseases

 

 

Any other information:


PUBLICATIONS :
1. PREVENTION OF CARBON TETRACHLORIDE - INDUCED HEPATOTOXICITY IN THE RAT BY H.  rosasinensis ANTHOCYANIN EXTRACT ADMINISTERED IN ETHANOL. TOXICOLOGY 131 , 93-98., OBI, F.O., IGHOFIMONI, U, OSAYANDE J.O, 1998


2. DISTRIBUTION AND EVOLUTION OF FERRIPYOVERDINE RECEPTORS IN Pseudomonas aeruginosa. Environmental Microbiology, April 21 [Epup ahead of print].,BODILIS, J.,GHYSELS, B., OSAYANDE, J.O. et al. 2009


3. OSAYANDE , J.O., 2010. USE OF POLYMERASE CHAIN REACTION FOR THE DETERMINATION OF ABOUT (2.5 kb) fpvA AND fpvB GENE SEQUENCES IN Pseudomonas aeruginosa STRAINS; Internet Journal of Microbiology. 2009 Volume 7 Number 2


4. OSAYANDE , J.O. 2010. EASY IDENTIFICATION OF DIFFICULT TO TYPE Pseudomonas  aeruginosa CLINICAL AND ENVIRONMENTAL ISOLATE. Internet Journal of Microbiology. 2009 Volume 7 Number 2

 

5. CONTRIBUTING AUTHOR "MICROBES , VIRUSES AND PARASITES IN AIDS PROCESS" Prof. Vladimír Zajac (Ed.), ISBN: 978-953-307-601-0, InTech, DOI: 10.5772/23983.Julie Osaretin Osayande (2011). Use of Polymerase Chain Reaction for the Determination of About 2.5 kb fpvA and fpvB Gene Sequences in Pseudomonas aeruginosa Strains (CHAPTER 16)

6.OSAYANDE , J. O, 2013. Ferripyoverdine Receptors: A Probable Entrance Route for the good, the bad and the ugly. WebmedCentral MICROBIOLOGY 4(5):WMC004261 

7.OSAYANDE,  J.O. 2013.  Cystic Fibrosis, an Alternative Ferripyoverdine Receptor, Probable Remedy?. WebmedCentral MICROBIOLOGY 2013;4(6):WMC004295

 

8. Osayande JO .2013. Ferripyoverdine receptors and General Metabolism in Pseudomonas aeruginosa, Preliminary Results. WebmedCentral MICROBIOLOGY 2013;4(6):WMC004302

9. AUTHOR " EVOLUTION OF FERRIPYOVERDINE RECEPTORS IN Pseudomonas aeruginosa"  ISBN 978-3-659-49490-1, Book  published by Lambert Academic Publishing, Germany. Julie Osaretin Osayande, 2013 .

10. Osayande JO. 2014. Pathogen Traffickers: Disease causing pathogens do not have legs. WebmedCentral HEALTH INFORMATICS 2014;5(8):WMC004668

11.  Session Speaker and Poster Presenter: Eureka Conferences “ Drug Discovery and Therapy World Congress” BOSTON, USA, June 3-6th, 2013.

12.   Poster Presenter: Biotechnology World Congress, DUBAI ,UAE. February 10-12th, 2014.

13. Osayande JO. 2015. THE FOCUS ON DRUG DISCOVERY: HOW? European Journal of Biology and Medical   Science Research Vol.3, No.2, pp. 62-74, May 2015

                       


 

What I think of the idea behind WebmedCentral:


My Idea of WebmedCentral is "Unbiasedly bringing Scientific Information to the World at large"