Document Detail

Moraxella species are primarily responsible for generating malodor in laundry.
MedLine Citation:
PMID:  22367080     Owner:  NLM     Status:  MEDLINE    
Many people in Japan often detect an unpleasant odor generated from laundry that is hung to dry indoors or when using their already-dried laundry. Such an odor is often described as a "wet-and-dirty-dustcloth-like malodor" or an "acidic or sweaty odor." In this study, we isolated the major microorganisms associated with such a malodor, the major component of which has been identified as 4-methyl-3-hexenoic acid (4M3H). The isolates were identified as Moraxella osloensis by morphological observation and biochemical and phylogenetic tree analyses. M. osloensis has the potential to generate 4M3H in laundry. The bacterium is known to cause opportunistic infections but has never been known to generate a malodor in clothes. We found that M. osloensis exists at a high frequency in various living environments, particularly in laundry in Japan. The bacterium showed a high tolerance to desiccation and UV light irradiation, providing one of the possible reasons why they survive in laundry during and even after drying.
Hiromi Kubota; Asako Mitani; Yu Niwano; Kohei Takeuchi; Atsushi Tanaka; Noriko Yamaguchi; Yoshiaki Kawamura; Jun Hitomi
Publication Detail:
Type:  Journal Article     Date:  2012-02-24
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  78     ISSN:  1098-5336     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-04-11     Completed Date:  2012-07-13     Revised Date:  2013-06-26    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3317-24     Citation Subset:  IM    
Safety Science Research Laboratories, Kao Corporation, Tochigi, Japan.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/AB643586;  AB643587;  AB643588;  AB643589;  AB643590;  AB643591;  AB643592;  AB643593;  AB643595;  AB643596
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MeSH Terms
Bacterial Typing Techniques
Caproates / metabolism*
Cluster Analysis
DNA, Bacterial / chemistry,  genetics
DNA, Ribosomal / chemistry,  genetics
Microbial Viability / radiation effects
Molecular Sequence Data
Moraxella / classification*,  genetics,  isolation & purification,  metabolism*
RNA, Ribosomal, 16S / genetics
Sequence Analysis, DNA
Stress, Physiological
Textiles / microbiology*
Ultraviolet Rays
Reg. No./Substance:
0/Caproates; 0/DNA, Bacterial; 0/DNA, Ribosomal; 0/RNA, Ribosomal, 16S

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