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Tim Downing
Tim Downing
Nelson Mandela University, South Africa
Verified email at mandela.ac.za
Title
Cited by
Cited by
Year
β-N-methylamino-L-alanine (BMAA) in novel South African cyanobacterial isolates
M Esterhuizen, TG Downing
Ecotoxicology and environmental safety 71 (2), 309-313, 2008
2042008
An investigation into the detoxification of microcystin-LR by the glutathione pathway in Balb/c mice
MM Gehringer, EG Shephard, TG Downing, C Wiegand, BA Neilan
The International Journal of Biochemistry & Cell Biology 36 (5), 931-941, 2004
1592004
Medium N: P ratios and specific growth rate comodulatemicrocystin and protein content in Microcystis aeruginosa PCC7806 and M. aeruginosa UV027
TG Downing, CS Sember, MM Gehringer, W Leukes
Microbial ecology 49 (3), 468-473, 2005
1582005
Microcystin content of Microcystis aeruginosa is modulated by nitrogen uptake rate relative to specific growth rate or carbon fixation rate
TG Downing, C Meyer, MM Gehringer, M Van de Venter
Environmental Toxicology: An International Journal 20 (3), 257-262, 2005
1462005
The role of microcystin-LR in the induction of apoptosis and oxidative stress in CaCo2 cells
N Botha, MM Gehringer, TG Downing, M van de Venter, EG Shephard
Toxicon 43 (1), 85-92, 2004
1442004
The use of Lepidium sativum in a plant bioassay system for the detection of microcystin-LR
MM Gehringer, V Kewada, N Coates, TG Downing
Toxicon 41 (7), 871-876, 2003
1272003
Nitrogen starvation of cyanobacteria results in the production of β-N-methylamino-L-alanine
S Downing, SA Banack, JS Metcalf, PA Cox, TG Downing
Toxicon 58 (2), 187-194, 2011
1192011
The effect of intraperitoneally administered microcystin-LR on the gastrointestinal tract of Balb/c mice.
N Botha, M van de Venter, TG Downing, EG Shephard, MM Gehringer
Toxicon 43 (3), 251-254, 2004
802004
Distinguishing the cyanobacterial neurotoxin β-N-methylamino-L-alanine (BMAA) from its structural isomer 2, 4-diaminobutyric acid (2, 4-DAB)
SA Banack, TG Downing, Z Spácil, EL Purdie, JS Metcalf, S Downing, ...
Toxicon 56 (6), 868-879, 2010
722010
Distinguishing the cyanobacterial neurotoxin β-N-methylamino-L-alanine (BMAA) from other diamino acids
SA Banack, JS Metcalf, Z Spáčil, TG Downing, S Downing, A Long, ...
Toxicon 57 (5), 730-738, 2011
712011
An investigation into the effect of selenium supplementation on microcystin hepatotoxicity
MM Gehringer, KS Downs, TG Downing, RJ Naudé, EG Shephard
Toxicon 41 (4), 451-458, 2003
642003
An investigation of the role of vitamin E in the protection of mice against microcystin toxicity
MM Gehringer, S Govender, M Shah, TG Downing
Environmental Toxicology: An International Journal 18 (2), 142-148, 2003
592003
The effect of β-N-methylamino-L-alanine (BMAA) on oxidative stress response enzymes of the macrophyte Ceratophyllum demersum
M Esterhuizen-Londt, S Pflugmacher, TG Downing
Toxicon 57 (5), 803-810, 2011
552011
The fate of the cyanobacterial toxin β-N-methylamino-L-alanine in freshwater mussels
S Downing, V Contardo-Jara, S Pflugmacher, TG Downing
Ecotoxicology and Environmental Safety 101, 51-58, 2014
522014
β-N-Methylamino-L-alanine (BMAA) uptake by the aquatic macrophyte Ceratophyllum demersum
M Esterhuizen, S Pflugmacher, TG Downing
Ecotoxicology and environmental safety 74 (1), 74-77, 2011
512011
A GROWTH ADVANTAGE FOR MICROCYSTIN PRODUCTION BY MICROCYSTIS PCC7806 UNDER HIGH LIGHT1
RR Phelan, TG Downing
Journal of phycology 47 (6), 1241-1246, 2011
502011
Traditional herbal medicines: microbial contamination, consumer safety and the need for standards
S Govender, D Du Plessis-Stoman, TG Downing, M Van de Venter
South African journal of science 102 (5), 253-255, 2006
502006
Improved sensitivity using liquid chromatography mass spectrometry (LC-MS) for detection of propyl chloroformate derivatised β-N-methylamino-L-alanine (BMAA) in cyanobacteria
M Esterhuizen-Londt, S Downing, TG Downing
Water Sa 37 (2), 2011
422011
Bacteria do not incorporate β-N-methylamino-l-alanine into their proteins
R van Onselen, NA Cook, RR Phelan, TG Downing
Toxicon 102, 55-61, 2015
402015
Environmental modulation of microcystin and β-N-methylamino-l-alanine as a function of nitrogen availability
LL Scott, S Downing, RR Phelan, TG Downing
Toxicon 87, 1-5, 2014
402014
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