Bergeys manual of systematic bacteriology shows a table in which there is a - sign in front of urease hydrolysis , for bacillus subtilis and bacillus cohnii. I want to ask does that mean these bacteria are non-ureolytic?
Hello Momina, Yes, it means those two species of Bacillus are typically not able to hydrolyze urea. However, a strain or more of either might come up, sometime, somewhere, with the activity suggestive of a plus for the long-drawn discussion on horizontal gene transfer.
From research report notably the study of accelerated microbial - induced CaCO3 precipitation a defined co-culture of ureolytic Sporosacina and non - ureolytic bacteria Bacillus subtilis . Result obtained indicated that the presence of the non - ureolytic bacterial species , B. subtilis accelerated the MICP process, via the supply of nucleation sites in the form of non - ureolytic bacterial cells. For more details consult www.biogeosciencs.net/11/256/2014/
doi:10.5194/bg-11-2561-2014
Bacillus subtilis is a non-ureolytic bacterium.
http://www.iaeng.org/publication/WCE2016/WCE2016_pp543-547.pdf
https://www.biogeosciences.net/11/2561/2014/bg-11-2561-2014.pdf
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