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Abbrevia: S. P. J. App Micro Res.

 

Language: English

 

ISSN: 2315-6287

 

DOI: 10.14412/SPJAMR

 

 S. P. J. App Micro Res.

4(1): 59-66, May 2019

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Science Park Journal of Applied Microbiology Research,

Vol. 4 (1), pp 059-066, May 2019

doi: 10.14412/JARNR2019.066

(ISSN 2315-6260) 2019 Science Park Journals

 

Full Length Research Paper

 

ISOLATION AND CHARACTERIZATION OF THE BACTERIA  PHOTORHABDUS SPP. (ENTEROBACTERIACAE) ISOLATED FROM ITS SYMBIOTIC NEMATODE PARTNER

 


Aliyu H.U.1,2, Tahir F.2, Agbo E.B.2 and Kela S.L.1.

 

1Department of Biological Sciences, Faculty of Science, Federal University of Kashere, P.M.B. 0182, Gombe State.

2Department of Microbiology, Faculty of Science, Abubakar Tafawa Balewa University, Bauchi.

 

 
Abstract

Photorhabdus bacteria are symbiotically associated with entomopathogenic nematodes of the genus Heterorhabditis. These bacteria produce a host of toxins that are lethal to insects and consequently they have emerged and are trending as excellent biological control agents against insect pests of agricultural crops. The nematode partner acts as a vector to carry the bacteria from one susceptible host to another. The nematode and bacteria work together to overcome the immune response of their insect host, thus allowing the bacteria to proliferate produce toxins that kill the host insect. The bacteria was isolated from the haemolymph of nematode infected Galleria mellonella larvae.  The nematodes were isolated from soil samples collected from the study area using an established Galleria mellonella bait method described by Kaya and Stock, (1997). The bacteria was identified using phenotypic characters and the most important biochemical characteristics of the genus Photorhabdus. The isolation of this bacteria in the study area is an indication of its potential usage together with its nematode partner as biological control agents of pests of crops in Nigeria.

 

Key words: Photorhabdus bacteria, entomopathogenic nematode, biological insecticides, Galleria mellonella, Nigeria.

 


 

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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