African Journal of Microbiology Research
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Article Number - B7A605862345


Vol.11(2), pp. 55-64 , January 2017
DOI: 10.5897/AJMR2016.8287
ISSN: 1996-0808



Full Length Research Paper

Bacterial populations of mosquito breeding habitats in relation to maize pollen in Asendabo, south western Ethiopia



Eyob Chukalo*
  • Eyob Chukalo*
  • Addis Ababa University, Natural Science Faculty, Ethiopia.
  • Google Scholar
Dawit Abate
  • Dawit Abate
  • Addis Ababa University, Natural Science Faculty, Ethiopia.
  • Google Scholar







 Received: 31 August 2016  Accepted: 26 October 2016  Published: 14 January 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


Mosquito larvae feed on particulate organic matter including microorganisms. This study was conducted to investigate the diversity and abundant bacteria of Anopheles mosquito larva breeding habitats and to evaluate the contribution of maize pollen as source of nutrients for bacterial growth. The nutrient composition (COD, NH3-N and TP) of the larva breeding habitats water samples were measured by HACH 2010. Bacteria were isolated and enumerated from 18 water samples of larva habitats. The abundance of bacteria in the larva breeding habitats was significantly different. Bacteria were found to be grown abundant in habitats close to maize pollen sources (tasseled zone). This implies that maize pollen contributes to bacterial abundance. The Pearson Correlation showed that there was positive relationship between bacterial abundance and physicochemical characteristics of the water samples. The bacterial population in the habitat was dominated by species of Bacillus, Pseudomonas, Micrococcus and Serratia.  The dominant bacteria were tested for their capability to grow on maize pollen medium. The growth kinetics of bacteria on maize pollen broth was performed to 18 h culture using JENWAY spectrophotometer at 600 nm wave length. The bacteria could show optimum growth on Maize Pollen broth at 15 g/l as of nutrient broth. The release of maize pollen during anthesis in rainy season in habitats close to larva breeding pool and its nutriment quality support proliferation of large array of bacteria which results in increased larval nourishment. Increased malaria transmission in Asendabo could thus be caused as the bacteria serve as source of nutrients for mosquito larva.

Key words: Maize pollen, microbial flora, mosquito larva habitat, maize pollen broth, bacterial abundance.

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APA Chukalo, E., & Abate, D. (2017). Bacterial populations of mosquito breeding habitats in relation to maize pollen in Asendabo, south western Ethiopia. African Journal of Microbiology Research, 11(2), 55-64.
Chicago Eyob Chukalo and Dawit Abate. "Bacterial populations of mosquito breeding habitats in relation to maize pollen in Asendabo, south western Ethiopia." African Journal of Microbiology Research 11, no. 2 (2017): 55-64.
MLA Eyob Chukalo and Dawit Abate. "Bacterial populations of mosquito breeding habitats in relation to maize pollen in Asendabo, south western Ethiopia." African Journal of Microbiology Research 11.2 (2017): 55-64.
   
DOI 10.5897/AJMR2016.8287
URL http://academicjournals.org/journal/AJMR/article-abstract/B7A605862345

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