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 Prof. Ndomelele Ndiko Ludidi

Position: Head of Department: Biotechnology
Department: Department of Biotechnology
Faculty: Faculty of Natural Science
Qualifications: BSc, BSc Hons, MSc (UWC), PhD (UWC
Tel: 021 959 2750
Fax: 021 959 3505
Email: nludidi@uwc.ac.za 
Research:
 
 
 
 

Biography

 Prof Ndiko Ludidi completed his PhD on the role of plant natriuretic peptides and cyclic guanosine monophosphate (cGMP) in regulating Arabidopsis thaliana responses to osmotic and salt stress at the University of the Western Cape in South Africa (PhD awarded in 2006). In 2006, he moved to the University of the Witwatersrand as Lecturer to initiate a research programme on the role of nitric oxide in regulating soybean tolerance to salt and drought stress, which he continued when he joined Stellenbosch University as Lecturer in 2007. He was promoted to Senior Lecturer at Stellenbosch University in November 2010 and took up an Associate Professorship in the Department of Biotechnology at the University of the Western Cape in January 2011, where he continues his research on the genetic control of plant responses to salinity and drought stress, with focus on soybean and maize, amongst other important crop species. He is the group leader of the Plant Biotechnology Research Group (PBRG).  

Publications


  •  Simon-Sarkadi L, Ludidi N, Kocsy G. Modification of cadaverine content by NO in salt-stressed maize. Plant Signal Behav. 2014; 8: e27598.

  •  Egbichi I, Keyster M, Ludidi N. Effect of exogenous application of nitric oxide on salt stress responses of soybean. S Afr J Bot. 2014;90:131-136.

  •  Egbichi I, Keyster M, Jacobs A, Klein A, Ludidi N. Modulation of antioxidant enzyme activities and metabolites ratios by nitric oxide in short-term salt    

  •     stressed soybean root nodules. S Afr J Bot. 2013;88:326-333.

  •  Klein A, Keyster M, Ludidi N. Caffeic acid decreases salinity‑induced root nodule superoxide radical accumulation and limits salinity‑induced        biomass reduction in soybean. Acta Physiol Plant. 2013;35:3059-3066.

  •  Ludidi N. Measurement of nitric oxide in plant tissue using difluorofluorescein and oxyhemoglobin. Methods Mol Biol. 2013;1016:253-259.

  • Boldizsár A, Simon-Sarkadi L, Szirtes K, Soltész A, Szalai G, Keyster M, Ludidi N, Galiba G, Kocsy G. Nitric oxide affects salt-induced changes in free amino acid levels in maize. J Plant Physiol. 2013;170:1020-1027.

  •  Keyster M, Adams R, Klein A, Ludidi N. Nitric oxide (NO) regulates the expression of single-domain cystatins in Glycine max (soybean). Plant Omics.   2013;6:183-192.

  •  Keyster M, Klein A, Ludidi N. Caspase-like enzymatic activity and the ascorbate-glutathione cycle participate in salt stress tolerance of maize conferred by exogenously applied nitric oxide. Plant Signal Behav. 2012;7:349-360.

  • Mulaudzi T, Ludidi N, Ruzvidzo O, Morse M, Hendricks N, Iwuoha E, Gehring C. Identification of a novel Arabidopsis thaliana nitric oxide-binding molecule with guanylate cyclase activity in vitro. FEBS Lett. 2011;585:2693-2697.

  •    Keyster M, Klein A, Egbich I, Jacobs A, Ludidi N. Nitric oxide increases the enzymatic activity of three ascorbate peroxidase isoforms in soybean root nodules. Plant Signal Behav. 2011;6:956-961.

  •    Keyster M, Klein A, Ludidi N. Endogenous NO levels regulate nodule functioning: potential role of cGMP in nodule functioning? Plant Signal Behav. 2010;5:1679-81.

  •    Leach J, Keyster M, Du Plessis M, Ludidi N. Nitric oxide synthase activity is required for development of functional nodules in soybean. J Plant Physiol. 2010;167:1584-91.

  •  Bastian R, Dawe A, Meier S, Ludidi N, Bajic VB, Gehring C. Gibberellic acid and cGMP-dependent transcriptional regulation in Arabidopsis thaliana. Plant Signal Behav. 2010;5:224-32.

  •  Ludidi NN, Pellny TK, Kiddle G, Dutilleul C, Groten K, VAN Heerden PD, Dutt S, Powers SJ, Römer P, Foyer CH. Genetic variation in pea (Pisum sativum L.) demonstrates the importance of root but not shoot C/N ratios in the control of plant morphology and reveals a unique relationship between shoot length and nodulation intensity. Plant Cell Environ. 2007;30:1256-68.

  • Ludidi N, Morse M, Sayed M, Wherrett T, Shabala S, Gehring C. A recombinant plant natriuretic peptide causes rapid and spatially differentiated K+, Na+ and H+ flux changes in Arabidopsis thaliana roots. Plant Cell Physiol. 2004;45:1093-8.

  •  Donaldson L, Ludidi N, Knight MR, Gehring C, Denby K. Salt and osmotic stress cause rapid increases in Arabidopsis thaliana cGMP levels. FEBS Lett. 2004;569:317-20.

  •  Ludidi N, Gehring C. Identification of a novel protein with guanylyl cyclase activity in Arabidopsis thaliana. J Biol Chem. 2003;278:6490-4.

  •   Ludidi NN, Heazlewood JL, Seoighe C, Irving HR, Gehring CA. Expansin-like molecules: novel functions derived from common domains. J Mol Evol. 2002;54:587-94.

International conference proceedings:

  •  Phillips K, Ludidi N. (2014) GmGPX 1 is a novel water deficit-inducible glutathione peroxidase in soybean with significant ascorbate peroxidase   activity. Plant Biology 2014. Portland, Oregon, USA.

  •   Keyster M, Jacobs A, Du Plessis M, Kappo P, Kocsy G, Galiba G, Ludidi N. (2010) Two maize genotypes demonstrate the importance of antioxidant capacity and cysteine endopeptidase activity in regulating plant tolerance to salt stress. 4th International Symposium of the SFB 429 "Signals, Sensing and Plant Primary Metabolism", Potsdam, Germany.

  •   Leach J, Keyster M, Du Plessis M, Ludidi N. (2010) Nitric oxide synthase activity in required for development of functional nodules in soybean. Plant Biology 2010. Montreal, Canada.

  •  Liphoto M, Du Plessis M, Ludidi N. (2007) Nitric oxide inhibits abiotic stress-induced nodule senescence in Medicago by modulating antioxidant capacity and protease activity. 6th European Conference on Grain Legumes “Integrating Legume Biology for Sustainable Agriculture”. Lisbon, Portugal.

  •  Wang YH, Ludidi N, Cahill DM, Gehring CA, Irving HR. (2007) Interactions between plant natriuretic peptide and abscisic acid. ComBio2007. Sydney, Australia.

  •  Ludidi N. (2007) Nitric oxide-mediated signaling in regulation of abiotic stress responses in legumes. Model Legume Congress “Abiotic Stress in Legumes, MCL2007 Satellite Workshop”. Tunis, Tunisia.

  •  Wang YH, Ludidi N, Cahill DM, Gehring CA, Irving HR. (2007) Interactions between plant natriuretic peptide and abscisic acid. Botany & Plant Biology 2007 Joint Congress. Chicago, Illinois, USA.

  •  Ludidi N, Mungur L, Burger J, Gehring C. (2006) AtGC1, a dual function Arabidopsis thaliana protein with guanylyl and cysteine protease activity. Comparative Biochemistry and  Physiology, Part A 143, S1 – S40. SEB Main Meeting, Canterbury, United Kingdom.

  •  Ludidi N N, Heazelwood J L, Irving H R, Gehring C A. (2001) Molecular evolution and spatial expression analysis of AtPNP-A: a novel plant natriuretic peptide from Arabidopsis thaliana. Combio2001 Conference, Canberra, Australia.

  •   Ludidi N N, Hide W, Rees D J G. (1999) Identification and characterization of Arabidopsis thaliana expressed sequence tags representing novel genes for chitinases and thaumatin-like proteins. BSPP Presidential Meeting, Oxford, United Kingdom.​

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Networks

 Prof Ludidi is a member of the South African Society of Biochemistry and Molecular Biology, and the South African Association of Botanists and the American Society of Plant Biologists. He has on-going collaboration with Prof Gabor Kocsy (Agricultural Research Institute of the Hungarian Academy of Sciences, Hungary), Prof Keith Lindsey (Durham University, UK), Prof Florian Bauer (Stellenbosch University, RSA), Prof Robert Sharp (University of Missouri, USA), Dr Melvin Oliver (University of Missouri, USA), Prof William Folk (University of Missouri, USA), Prof Mounawer Badri (Centre of Biotechnology of Borj Cedria, Tunisia) and the Environmental Biotechnology Laboratory (Department of Biotechnology, University of the Western Cape, RSA).

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