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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(11): 842-853
DOI: http://dx.doi.org/10.20546/ijcmas.2016.511.096


Sustainable Solid Waste Management: Isolation of Cellulolytic Microorganisms from Dumpsites in Lagos, Southwest Nigeria
Ojo-Omoniyi1*, Olusola Abayomi, Okwa2, Omolade Olayinka, Junaid1,Iswat Olaide and Ikuoye1, Abosede Oyebola
1Department of Microbiology, Lagos State University, P.M.B. 0001 LASU Post Office,Lagos-Nigeria
2Department of Zoology and Environmental Biology, Lagos State University, P.M.B. 0001 LASU Post office, Lagos-Nigeria
*Corresponding author
Abstract:

This research was to carry out an environmental surveillance for cellulose-degrading microorganisms present in wastes dumpsites in Lagos, southwest Nigeria. Solid waste has become a heavy burden to both government and citizens in developing countries all over the world due to increase in population. The presence of cellulolytic microorganisms and their potential to degrade the complex polymer; cellulose into simple sugars like glucose under optimum environmental conditions were also evaluated. Soil and leachate samples were collected (0 -10cm depth) from three dumpsites in Lagos following aseptic procedures and the microbial species were isolated using Nutrient agar and Potato-dextrose agar media respectively. A total of 34 microorganisms were isolated from the three different sampling locations in Lagos. The cellulase-producing microbial species were characterized following conventional and standard microbiological methods. They were then screened for cellulase activity using the Cellulose Congo-Red plate technique. The diameters of clear zone of inhibition were measured in millimeters (mm). All isolates were cellulase producers, with Bacillus licheniformis having 42.5% occurrence, as well as the highest cellulase activity and hydrolytic value (34mm and 8.5 respectively) among the bacterial species while Aspergillus sp.(40.0% occurrence) had the highest cellulase activity (63mm) and hydrolytic value (15.8) among the fungal species. This result suggested that these microorganisms utilized the available sources of cellulose present in wastes both for growth, biomass production and biodegradative processes. Consequently, the introduction of these microorganisms into waste recycling processes will enhance the sustainable solid waste management practices for megacities as well as the quality of public health in developing economies.


Keywords: Solid Waste Management,Microorganisms from Dumpsites.
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How to cite this article:

Ojo-Omoniyi, OlusolaAbayomi, Okwa, Omolade Olayinka, Junaid, Iswat Olaide and Ikuoye, Abosede Oyebola. 2016. Sustainable Solid Waste Management: Isolation of Cellulolytic Microorganisms from Dumpsites in Lagos, Southwest Nigeria.Int.J.Curr.Microbiol.App.Sci. 5(11): 842-853. doi: http://dx.doi.org/10.20546/ijcmas.2016.511.096