Document Detail

Acaricidal activities of whole cell suspension, cell-free supernatant, and crude cell extract of Xenorhabdus stokiae against mushroom mite (Luciaphorus sp.).
MedLine Citation:
PMID:  22467367     Owner:  NLM     Status:  MEDLINE    
Xenorhabdus bacterium has been used as a biological control agent against Luciaphorus sp., a mushroom mite endemic in Thailand. To develop an effective formulation of Xenorhabdus stokiae, treatments using different parts of X. stokiae isolate PB09 culture, including whole cell suspension, cell-free supernatant, and crude cell extract, were performed. The results show that different parts of X. stokiae isolate PB09 culture could induce variable effects on mite mortality and fecundity. Application with cell-free supernatant of X. stokiae culture resulted in both the highest mite mortality rate [(89.00±3.60)%] and the lowest mite fecundity [(41.33±23.69) eggs/gravid female]. Whole cell suspension of X. stokiae isolate PB09 culture was found to be slightly less effective than its cell-free supernatant, suggesting that X. stokiae was more likely to release its metabolites with acaricidal activities to the surrounding culture media. Crude cell extract of X. stokiae was not effective against mites. Cell-free supernatant of X. stokiae isolate PB09 was the most effective biological control agent and it could be conveniently used in future formulations instead of live bacteria.
Prapassorn Bussaman; Chirayu Sa-Uth; Paweena Rattanasena; Angsumarn Chandrapatya
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of Zhejiang University. Science. B     Volume:  13     ISSN:  1862-1783     ISO Abbreviation:  J Zhejiang Univ Sci B     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-04-02     Completed Date:  2012-08-07     Revised Date:  2013-06-26    
Medline Journal Info:
Nlm Unique ID:  101236535     Medline TA:  J Zhejiang Univ Sci B     Country:  China    
Other Details:
Languages:  eng     Pagination:  261-6     Citation Subset:  IM    
Biocontrol Research Unit, Department of Biotechnology, Mahasarakham University, Maha Sarakham 44150, Thailand.
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MeSH Terms
Acaricides / chemistry,  pharmacology*
Cell Extracts / pharmacology*
Cell-Free System
Mites / drug effects*,  growth & development,  microbiology*
Survival Rate
Xenorhabdus / chemistry*,  physiology*
Reg. No./Substance:
0/Acaricides; 0/Cell Extracts

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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