Document Type : Research paper

Authors

1 Department of Horticulture and Food Security, Jomo Kenyatta University of Agriculture and Technology, P.O. Box 62000– 00200 Nairobi, Kenya

2 Department of Physical Sciences, Karatina University, P.O. Box 1957-10101 Karatina, Kenya

Abstract

We reported a simple colorimetric probe based on gold nanoparticles (AuNPs) for detecting Ralstonia solanacearum. The AuNPs were synthesized through reduction with citrate ion and characterized by ultraviolet-visible spectroscopy (UV-vis), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The freshly synthesized AuNPs were brick red due to an intense surface plasmon absorption band at 520 nm. Upon interaction with synthetic gibberellic acid (GA3), a bathochromic shift occurred in the surface plasmon resonance (SPR) peak of AuNPs to higher wavelengths. The 'eye-ball' limit of detection was 0.2 ppm. This shift was accompanied by a change in the color of the AuNPs from brick red to purple. Soil samples were collected from the rhizosphere of tomato plants, exhibiting bacterial wilt symptoms and pure cultures of Ralstonia solanacearum isolated using a modified Kelman’s TZC medium. Gibberellins (GA) were extracted from the culture of R. solanacearum using ethyl acetate and characterized using fourier transform infrared spectroscopy (FT-IR). AuNP solution aggregation was induced by GA-mediated R. solanacearum. A color change from brick red to purple was also observed. The results illustrated the use of both SPR wavelength-shift sensing and visual color change to detect molecules of biological relevance.

Keywords

1. Afroz A, Zahur M, Zeeshan N, Komatsu S. 2013. Plant-bacterium interactions analyzed by proteomics. Frontiers in Plant Science, 4, 1–18.
2. Bertolini E, Olmos A. 2004. Innovative tools for detection of plant pathogenic viruses and bacteria. International Microbology, 6, 233–243.
3. Bhalla K, Singh S.B, Agarwal R. 2010. Quantitative determination of gibberellins by high performance liquid chromatography from various gibberellins producing Fusarium strains. Environmental Monitoring and Assessment, 167(1–4), 515–520.
4. Bottini R, Cassán F, Piccoli P. 2004. Gibberellin production by bacteria and its involvement in plant growth promotion and yield increase. Applied Microbiology and Biotechnology, 65(5), 497–503.
5. Draz M.S, & Shafiee H. 2018. Applications of gold nanoparticles in virus detection. Theranostics, 8(7), 1985–2017.
6. Godoy-reyes T.M, Costero A.M. 2019. Analytica Chimica Acta Colorimetric detection of normetanephrine, a pheochromocytoma biomarker, using bifunctionalised gold nanoparticles. Analytica Chimica Acta, 1056, 146–152.
7. Hamayun M, Khan S.A, Khan A.L, Rehman G, Kim Y.H, Iqbal I, Lee I.J. 2010. Gibberellin production and plant growth promotion from pure cultures of Cladosporium sp. MH-6 isolated from cucumber ( Cucumis sativus L.). Mycologia, 102(5), 989–995.
8. Hennessy J, Wilson J. K, Stead D. E, Hutton S, Directive H. 1996. solanacearum in potato tuber extracts. EPPO Bull, 678, 663–678.
9. Huang S, Wang L, Liu L. 2015. Nanotechnology in agriculture , livestock , and aquaculture in China . A review. Agronomy for Sustainable Development, 2015, (28), 369–400.
10. Jazayeri, M. H., Aghaie, T., Avan, A., Vatankhah, A., & Ghaffari, M. R. S. 2018. Colorimetric detection based on gold nano particles (GNPs): An easy, fast, inexpensive, low-cost and short time method in detection of analytes (protein, DNA, and ion). Sensing and Bio-Sensing Research. Elsevier B.V.
11. Jiang G, Wei Z, Xu J, Chen H, Zhang Y, She X. 2017. Bacterial Wilt in China : History , Current Status , and Future Perspectives. Frontiers in Plant Science 8, 8(September), 1–10.
12. Jing H, Sinha S, Sachar H. S, Das S. 2019. Interactions of gold and silica nanoparticles with plasma membranes get distinguished by the van der Waals forces: Implications for drug delivery, imaging, and theranostics. Colloids and Surfaces B: Biointerfaces, 177(February), 433–439.
13. Jongjinakool S, Palasak K, Bousod N, Teepoo S. 2014. Gold nanoparticles-based colorimetric sensor for cysteine detection. Energy Procedia, 56(C), 10–18.
14. Kapoor, R., Soni, R., & Kaur, M. 2016. Gibberellins production by fluorescent Pseudomonas isolated from Rhizospheric soil of Malus and Pyrus. International Journal of Agriculture, Environment and Biotechnology, 9(April), 193–199.
15. Karuku G. N, Kimenju J.W, Verplancke H. 2017. Farmers’ perspectives on factors limiting tomato production and yields in Kabete, Kiambu County, Kenya. East African Agricultural and Forestry Journal, 82(1), 70–89.
16. Katznelson H, Cole S.E. 1965. Production of Gibberellin-Like Substances By Bacteria and Actinomycetes. Canadian Journal of Microbiology, 11(4), 733–741.
17. Khan A. 2014. Gold nanoparticles : Synthesis and applications in drug delivery Gold Nanoparticles : Synthesis and Applications in Drug. Synthesis and Applications in Drug, (July).
Ivy Lynn Aoko et al. Int. J. Hort. Sci. Technol. 2021 8(3): 203-214
213
18. Kim S.H, Oh S.S, Kim K.J, Kim J.E, Park H.Y, Hess O, Kee C.S. 2015. Subwavelength localization and toroidal dipole moment of spoof surface plasmon polaritons. Physical Review B - Condensed Matter and Materials Physics, 91(3), 1–9.
19. Klimov V.V, Lambrecht A. 2009. Van der waals forces between plasmonic nanoparticles. Plasmonics, 4(1), 31–36.
20. Li D Wieckowska A Willner I. 2008. Optical Analysis of Hg 2 + Ions by Oligonucleotide – Gold-Nanoparticle Hybrids and DNA-Based Machines, Angewandte Chemie, 120, 3991–3995.
21. Lin Y.W, Huang, C.C, Chang H.T. 2011. Gold nanoparticle probes for the detection of mercury, lead and copper ions. Analyst.
22. Madivoli, E.S, Kareru P.G, Gachanja A.N, Mugo S. M, Sujee D.M, Fromm K.M. 2020. Isolation of Cellulose Nanofibers from Oryza sativa Residues via TEMPO Mediated Oxidation. Journal of Natural Fibers, 5, 1–13.
23. Mansfield J, Genin S, Magori S, Citovsky V, Sriariyanum M, Ronald P, Tolosan F.C. 2012. Top 10 plant pathogenic bacteria in molecular plant pathology. Molecular Plant Pathology. 13, 13, 614–629.
24. Mirkin C.A, Letsinger R.L, Mucic R.C, Storhoff J.J. 1996. A DNA-based method for rationally assembling nanoparticles into macroscopic materials. Nature, 382(6592), 607–609.
25. Murigi M.K, Madivoli E.S, Mathenyu M.M, Kareru P.G, Gachanja A.N, Njenga P.K, Githua M. 2014. Comparison of Physicochemical Characteristics of Microcrystalline Cellulose from Four Abundant Kenyan Biomasses. IOSR Journal of Polymer and Textile Engineering, 1(2), 53–63.
26. Ngumbi P.K, Mugo S.W, Ngaruiya J.M. 2018. Determination of Gold Nanoparticles Sizes via Surface Plasmon Resonance. IOSR Journal of Applied Chemistry (IOSR-JAC, 11(7), 25–29.
27. Park J, Shumaker-parry J.S. 2020. Structural Study of Citrate Layers on Gold Nanoparticles: Role of Intermolecular Interactions in Stabilizing Nanoparticles. Journal of the American Chemical Society, 136, 1907–1921.
28. Ponce C, Chanona J, Garibay V, Palacios E, Calderon G, Sabo R. 2013. Functionalization of Agave Cellulose Nanoparticles and its Characterization by Microscopy and Spectroscopy Techniques. Microscopy and Microanalysis, 19(S2), 200–201.
29. Primo E.D, Ruiz F, Masciarelli O, Giordano W. 2015. Bacterial Metabolites in Sustainable Agroecosystem. In Bacterial Metabolites in Sustainable Agroecosystem (Vol. 12, pp. 337–349).
30. Raj V, Vijayan A.N, Joseph K. 2015. Cysteine capped gold nanoparticles for naked eye detection of E. coli bacteria in UTI patients. Sensing and Bio-Sensing Research, 5, 33–36.
31. Sarkar S, Chaudhuri S. 2016. Bacterial wilt and its management. Current Science, 110(8), 1439–1445.
32. Sciences P, Sabir S, Asghar H.N, Kashif S.U.R, Khan M.Y, Akhtar M.J, Sciences A. 2013. Synergistic effect of plant growth promoting rhizobacteria and kinetin on maize. Journal of Animal and Plant Sciences.23(6), 1750–1755.
33. Selvarajan R, Selvam K.P, Balasubramanian V, Sundaram S.S. 2020. A rapid and sensitive lateral flow immunoassay (LFIA) test for the on-site detection of banana bract mosaic virus in banana plants. Journal of Virological Methods, (May), 113929.
34. Sharma S, Sharma A, Kaur M. 2018. Extraction and evaluation of gibberellic acid from Pseudomonas sp .: Plant growth promoting rhizobacteria. Journal of Pharmacognosy and Phytochemistry, 7(1), 2790–2795.
35. Slistan-Grijalva A, Herrera-Urbina R, Rivas-Silva J.F, Ávalos-Borja M, Castillón-Barraza F.F, Posada-Amarillas A. 2005. Classical theoretical characterization of the surface plasmon absorption band for silver spherical nanoparticles suspended in water and ethylene glycol. Physica E: Low-Dimensional Systems and Nanostructures, 27(1–2), 104–112.
36. Stevens K.A, Jaykus L. 2014. Bacterial Separation and Concentration from Complex Sample Matrices : A Bacterial Separation and Concentration from Complex Sample Matrices : A Review. Critical Reviews in Microbiology. 30, 30(February), 7–24.
37. Tyagi H, Kushwaha A, Kumar A, Aslam M. 2016a. A Facile pH Controlled Citrate-Based Reduction Method for Gold Nanoparticle Synthesis at Room Temperature. Nanoscale Research Letters, (August).
38. Tyagi H, Kushwaha A, Kumar A, Aslam M. 2016b. A Facile pH Controlled Citrate-Based Reduction Method for Gold Nanoparticle Synthesis at Room Temperature. Nanoscale Research Letters, 11(1), 362.
Ivy Lynn Aoko et al. Int. J. Hort. Sci. Technol. 2021 8(3): 203-214
214
39. Verma, H. N., Singh, P., & Chavan, R. M. 2014. Gold nanoparticle: Synthesis and characterization. Veterinary World, 7(2), 72–77.
40. Wang Z, Fang C, Mallavarapu M. 2015. Characterization of iron – polyphenol complex nanoparticles synthesized by Sage ( Salvia officinalis ) leaves Environmental Technology & Innovation4, (May), 92–97.