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dc.creatorBennett, George N.
Scotcher, Miles C.
dc.date.accessioned 2015-05-04T19:05:48Z
dc.date.available 2015-05-04T19:05:48Z
dc.date.issued 2008-10-07
dc.identifier.urihttps://hdl.handle.net/1911/79978
dc.description.abstract We have shown that the control of solventogenesis and sporulation can be genetically uncoupled in C. acetobutylicum. In strain 824(pASspo), the absence of SpoIIE causes sporulation to be blocked at stage II. The cell remains in a vegetative state, and this allows solvent production to proceed for longer and for solvents to accumulate more rapidly and to a higher concentration. The characteristic drop in OD600 observed in wild type and control strains of C. acetobutylicum after 48-72 hours as the cells transition from the solventogenic phase to sporulation is notably absent in the fermentations of 824(pASspo). Mutant S (wild type background, spoIIE disrupted), Mutant BS (Mutant B background, spoIIE disrupted), Mutant HS (Mutant H background, spoIIE disrupted) and Mutant bukS (buk- background, spoIIE disrupted) were generated to create stable solvent producing bacteria with complete inactivation of the SpoIIE protein. Similarity between the SpoIIE protein of C. acetobutylicum, B. subtilis, and other Clostridial species indicates that the techniques used in C. acetobutylicum can be applied to other solvent producing Clostridia.
dc.format.extent 23 pp
dc.language.iso eng
dc.title Blocking sporulation by inhibiting SpoIIE
dc.type Utility patent
dc.digitization.specificationsThis patent information was downloaded from the US Patent and Trademark website (http://www.uspto.gov/) as image-PDFs. The PDFs were OCRed for access purposes.
dc.contributor.publisher United States Patent and Trademark Office
dc.type.genre patents
dc.type.dcmi Text
dc.date.filed 2005-07-01
dc.identifier.patentID US7432090B2
dc.contributor.assignee Rice University
dc.identifier.citation Bennett, George N. and Scotcher, Miles C., "Blocking sporulation by inhibiting SpoIIE." Patent US7432090B2. issued 2008-10-07. Retrieved from https://hdl.handle.net/1911/79978.


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