jsvandyk@mail.ubc.ca
Postdoctoral research fellow
(604)822-8451
Projects
Coordinator: IEA Bioenergy Task 39 on Commercialisation of Liquid Biofuels from Biomass
Project Manager: Boeing biojet supply chain viability study in Western Canada
Research Themes & Interests
Advanced biofuels conversion technologies; Aviation biofuels and supply chain initiatives; Global biofuels policy and implementation; Cellulases and hemicellulases for lignocellulose conversion
Academic Qualifications
B.A. LL.M. (Stellenbosch University, South Africa
BSc (Hons) PhD (Biochemistry) (Rhodes University, South Africa)
Professional Experience
Co-supervision of 5 MSc students, one PhD student
Lecturing experience in Biochemistry undergraduate courses (2010-2013)
5 years postdoc experience
Selected Publications and Conference Presentations
- The addition of accessory enzymes enhances the hydrolytic performance of cellulase enzymes at high solid loadings J Hu, R Chandra, V Arantes, K Gourlay, JS van Dyk, JN Saddler, Bioresource technology 186, 149-153
- β-Mannanase (Man26A) and α-galactosidase (Aga27A) synergism–A key factor for the hydrolysis of galactomannan substrates S Malgas, SJ van Dyk, BI Pletschke Enzyme and microbial technology 70, 1-8
- The Accessible Cellulose Surface Influences Cellulase Synergism during the Hydrolysis of Lignocellulosic Substrates J Hu, K Gourlay, V Arantes, JS Van Dyk, A Pribowo, JN Saddler ChemSusChem 8 (5), 901-907
- A review of the enzymatic hydrolysis of mannans and synergistic interactions between β-mannanase, β-mannosidase and α-galactosidase S Malgas, JS van Dyk, BI Pletschke World Journal of Microbiology and Biotechnology 31 (8), 1167-1175
- Fruit waste streams in South Africa and their potential role in developing a bio-economy
- N Khan, M le Roes-Hill, PJ Welz, KA Grandin, T Kudanga, JS van Dyk, South African Journal of Science
- Van Dyk, J.S., Pletschke, B.I. (2012) A review of lignocellulose bioconversion using enzymatic hydrolysis and synergistic cooperation between enzymes. Biotechnology Advances. 30(6) 1458-1480. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.biotechadv.2012.03.002
- K Mwila, MH Burton, JS van Dyk, BI Pletschke (2013) The effect of mixtures of organophosphate and carbamate pesticides on acetylcholinesterase and application of chemometrics to identify pesticides in mixtures. Environmental Monitoring and Assessment. 185(3):2315-2327. http://0-dx.doi.org.wam.seals.ac.za/10.1007/s10661-012-2711-0.
- Makiko Sakka , Satoshi Tachino, Hirotaka Katsuzaki, J. Susan van Dyk, Brett I. Pletschke, , Tetsuya Kimura, and Kazuo Sakka. (2012) Characterization of Xyn30a and Abf43A of Bacillus licheniformis SVD1 identified by its genomic analysis. Enzyme and Microbial Technology (2012) 51:193-199. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.enzmictec.2012.06.003
- Susan van Dyk, Nalise Low Ah Kee, Carminita L. Frost, Pletschke, BI. Extracellular polysaccharide production in Bacillus licheniformis SVD1 and its immunomodulatory effect. Bioresources (2012) 7(4):4976-4993. open PDF
- Van Dyk, JS and Pletschke, BI. Review on the use of enzymes for the detection of organochlorine, organophosphate and carbamate pesticides in the environment. Chemosphere 82(3) (2011) 291-307. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.chemosphere.2010.10.033
- Olver, B, Van Dyk, JS, Beukes, N and Pletschke, BI. (2011) Synergy between EngE, XynA and ManA from Clostridium cellulovorans on corn stalk, grass and pineapple pulp substrates. 3Biotech. 1:187-192. http://www.ncbi.nlm.nih.gov/pubmed/22558536
- Morrison, JS van Dyk, BI Pletschke. (2011) The effect of alcohols, lignin and phenolic compounds on enzyme activity of XynA from Clostridium cellulovorans. BioResources 6(3) 3132-3141. open PDF
- Roselyn Dredge, Sarah E. Radloff, J Susan van Dyk and Brett I. Pletschke. (2011) Lime pretreatment of sugar beet pulp and evaluation of synergy between ArfA, ManA and XynA from Clostridium cellulovorans on the pretreated substrate. 3 Biotech 1(3):151-159. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339618/
- Sarah M. Jones, J. Susan van Dyk and Brett I. Pletschke (2012) Bacillus subtilis SJ01 produces hemicellulose degrading multi-enzyme complexes. Bioresources 7(1), 1294-1309. open PDF
- Van Dyk, JS, Sakka, M, Sakka, K and Pletschke, BI. Characterisation of CMCase, xylanase, pectinase and mannanase activity in the crude fraction and multi-enzyme complex of Bacillus licheniformis SVD1 Enzyme and Microbial Technology 47 (2010) 112–118. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.enzmictec.2010.05.004
- Van Dyk, JS, Sakka, M, Sakka, K and Pletschke, BI. Characterisation of complexed xylanase activity in Bacillus licheniformis SVD1. Enzyme and Microbial Technology 47 (2010) 174–177. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.enzmictec.2010.06.004
- Van Dyk, JS, Sakka, M, Sakka, K and Pletschke, BI. The cellulolytic and hemi-cellulolytic system of Bacillus licheniformis SVD1 and the evidence for production of a large multienzyme complex. Enzyme and Microbial Technology (2009) 45: 372-378. http://0-dx.doi.org.wam.seals.ac.za/10.1016/j.enzmictec.2009.06.016
- Lavan, LM, van Dyk, JS, Chan, H, Doi, RH and Pletschke, BI. Effect of physical conditions and chemicals on the binding of a mini-CbpA from Clostridium cellulovorans to a semi-crystalline cellulose substrate. Letters in Applied Microbiology. (2009) 48(4):419-425. http://0-onlinelibrary.wiley.com.wam.seals.ac.za/doi/10.1111/j.1472-765X.2008.02545.x/pdf
- Igbinigie, EE, Atkins, S, van Breugel, Y, van Dyk, S, Davies-Coleman, MT and Rose, PD. Fungal biodegradation of hard coal by a newly reported isolate, Neosartorya fischeri. Biotechnology Journal (2008) 3(11): 1407-1416. Access via Online Library
Awards, Grants, Scholarships
- Maryam Babangida scholarship for top female 2nd year student in 2003
- Dean’s Merit List for 2003 & 2004
- Member of Winning Team – Chemistry Entrepreneurial Project (2003 & 2004)
- Conrad Dylan Cambray Scholarship for achievement in Chemistry and Microbiology (2004)
- Dr Kendall scholarship for top 4th graduate of 2004
- William Barker Memorial Prize for Chemistry 2004
- Sasol Centenary scholarship for 2005
- Graduated with academic honours for 2004(B.Sc.) & 2005 (B.Sc. Honours)
- Merck Prize for Biotechnology 2005 (Top Biotechnology Honours student)
- Henderson Scholarship 2006, 2007, 2008, 2009
- HB Webb Scholarship 2006
- Ernst and Ethel Eriksen Trust scholarship 2006
- Rhodes Postgraduate Scholarship 2006
- NRF Scarce Skills Scholarship 2006, 2007, 2008, 2009
- NRF Prestigious Scholarship 2006 (Awarded but not accepted due to max allowed funding)
- Claude Leon postdoctoral fellowship 2010, 2011
- NRF Innovation Fund postdoctoral scholarship 2010 (awarded but not accepted)
Extracurricular
Kayaking, camping, outdoors