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Items: 1 to 20 of 32

2.

Phenylpropanoid Defences in Nicotiana tabacum Cells: Overlapping Metabolomes Indicate Common Aspects to Priming Responses Induced by Lipopolysaccharides, Chitosan and Flagellin-22.

Mhlongo MI, Piater LA, Madala NE, Steenkamp PA, Dubery IA.

PLoS One. 2016 Mar 15;11(3):e0151350. doi: 10.1371/journal.pone.0151350. eCollection 2016.

3.

Chlorogenic Acids Biosynthesis in Centella asiatica Cells Is not Stimulated by Salicylic Acid Manipulation.

Ncube EN, Steenkamp PA, Madala NE, Dubery IA.

Appl Biochem Biotechnol. 2016 Feb 27. [Epub ahead of print]

PMID:
26922726
4.

Perturbation of pharmacologically relevant polyphenolic compounds in Moringa oleifera against photo-oxidative damages imposed by gamma radiation.

Ramabulana T, Mavunda RD, Steenkamp PA, Piater LA, Dubery IA, Madala NE.

J Photochem Photobiol B. 2016 Mar;156:79-86. doi: 10.1016/j.jphotobiol.2016.01.013. Epub 2016 Jan 26.

PMID:
26854613
5.

Secondary metabolite perturbations in Phaseolus vulgaris leaves due to gamma radiation.

Ramabulana T, Mavunda RD, Steenkamp PA, Piater LA, Dubery IA, Madala NE.

Plant Physiol Biochem. 2015 Dec;97:287-95. doi: 10.1016/j.plaphy.2015.10.018. Epub 2015 Oct 20.

PMID:
26512968
6.

Potential application of compliance constants in predicting the mass spectral fragmentation of metabolites.

Miriyala VM, Sitha S, Steenkamp PA, Madala NE.

Rapid Commun Mass Spectrom. 2015 Oct 30;29(20):1874-8. doi: 10.1002/rcm.7281.

PMID:
26411508
7.

Analyses of chlorogenic acids and related cinnamic acid derivatives from Nicotiana tabacum tissues with the aid of UPLC-QTOF-MS/MS based on the in-source collision-induced dissociation method.

Ncube EN, Mhlongo MI, Piater LA, Steenkamp PA, Dubery IA, Madala NE.

Chem Cent J. 2014 Nov 19;8(1):66. doi: 10.1186/s13065-014-0066-z. eCollection 2014.

8.

The Effect of Temperature on Pressurised Hot Water Extraction of Pharmacologically Important Metabolites as Analysed by UPLC-qTOF-MS and PCA.

Khoza BS, Chimuka L, Mukwevho E, Steenkamp PA, Madala NE.

Evid Based Complement Alternat Med. 2014;2014:914759. doi: 10.1155/2014/914759. Epub 2014 Oct 13.

10.

Metabolomic insights into the bioconversion of isonitrosoacetophenone in Arabidopsis thaliana and its effects on defense-related pathways.

Madala NE, Steenkamp PA, Piater LA, Dubery IA.

Plant Physiol Biochem. 2014 Nov;84:87-95. doi: 10.1016/j.plaphy.2014.08.023. Epub 2014 Sep 6.

PMID:
25240267
11.

Metabolomic fingerprinting of primed tobacco cells provide the first evidence for the biological origin of cis-chlorogenic acid.

Mhlongo MI, Piater LA, Steenkamp PA, Madala NE, Dubery IA.

Biotechnol Lett. 2015 Jan;37(1):205-9. doi: 10.1007/s10529-014-1645-8. Epub 2014 Sep 12.

PMID:
25214217
12.

Morphological and molecular identification of filamentous Aspergillus flavus and Aspergillus parasiticus isolated from compound feeds in South Africa.

Iheanacho HE, Njobeh PB, Dutton FM, Steenkamp PA, Steenkamp L, Mthombeni JQ, Daru BH, Makun AH.

Food Microbiol. 2014 Dec;44:180-4. doi: 10.1016/j.fm.2014.05.019. Epub 2014 Jun 2.

PMID:
25084661
13.
14.

Multi-platform metabolomic analyses of ergosterol-induced dynamic changes in Nicotiana tabacum cells.

Tugizimana F, Steenkamp PA, Piater LA, Dubery IA.

PLoS One. 2014 Jan 31;9(1):e87846. doi: 10.1371/journal.pone.0087846. eCollection 2014.

15.

Real time PCR of Nor~1 (aflD) gene of aflatoxin producing fungi and its correlative quantization to aflatoxin levels in South African compound feeds.

Iheanacho HE, Dutton MF, Steenkamp PA, Steenkamp L, Makun HA, Swart A, Mthombeni JQ.

J Microbiol Methods. 2014 Feb;97:63-7. doi: 10.1016/j.mimet.2013.12.014. Epub 2013 Dec 27.

PMID:
24378358
16.

Antifungal and antibacterial activity and chemical composition of polar and non-polar extracts of Athrixia phylicoides determined using bioautography and HPLC.

McGaw LJ, Bagla VP, Steenkamp PA, Fouche G, Olivier J, Eloff JN, Myer MS.

BMC Complement Altern Med. 2013 Dec 13;13:356. doi: 10.1186/1472-6882-13-356.

17.

Metabolomic analysis of isonitrosoacetophenone-induced perturbations in phenolic metabolism of Nicotiana tabacum cells.

Madala NE, Steenkamp PA, Piater LA, Dubery IA.

Phytochemistry. 2013 Oct;94:82-90. doi: 10.1016/j.phytochem.2013.05.010. Epub 2013 Jun 18.

PMID:
23790642
18.

Metabolomic analysis of methyl jasmonate-induced triterpenoid production in the medicinal herb Centella asiatica (L.) urban.

James JT, Tugizimana F, Steenkamp PA, Dubery IA.

Molecules. 2013 Apr 11;18(4):4267-81. doi: 10.3390/molecules18044267.

19.

Collision energy alteration during mass spectrometric acquisition is essential to ensure unbiased metabolomic analysis.

Madala NE, Steenkamp PA, Piater LA, Dubery IA.

Anal Bioanal Chem. 2012 Aug;404(2):367-72. doi: 10.1007/s00216-012-6135-z. Epub 2012 Jun 15.

PMID:
22699233
20.

Biotransformation of isonitrosoacetophenone (2-keto-2-phenyl-acetaldoxime) in tobacco cell suspensions.

Madala NE, Steenkamp PA, Piater LA, Dubery IA.

Biotechnol Lett. 2012 Jul;34(7):1351-6. doi: 10.1007/s10529-012-0909-4. Epub 2012 Mar 29.

PMID:
22456902
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