Document Detail


Species-specific and female host-biased ectophoresy in the roundworm Caenorhabditis japonica.
MedLine Citation:
PMID:  23325293     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Caenorhabditis japonica is a bacteriophagous nematode species that was discovered on the semi-social burrower bug, Parastrachia japonensis, which demonstrates egg-guarding and provisioning behaviors. To understand the life history of C. japonica in relation to P. japonensis, we demonstrated the specificity of this association and fluctuations in nematode number on the insect throughout the year. C. japonica dauer larvae (DL), larvae in a nonfeeding diapause stage, were predominantly found as clumps on the adult female insects but rarely found on the male insects in all populations examined. This female-biased association was consistent throughout the year, but after the nymphs hatched, nematodes were not detected on the mother insects showing provisioning behavior. DL appeared on the nymphs, and the number of DL on the newly emerged female insects gradually increased thereafter. C. japonica has never been detected on other invertebrates collected from the P. japonensis habitat thus far. Our data suggest that the life cycles of C. japonica and P. japonensis are synchronized.
Authors:
Toyoshi Yoshiga; Yuji Ishikawa; Ryusei Tanaka; Mantaro Hironaka; Etsuko Okumura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  Die Naturwissenschaften     Volume:  -     ISSN:  1432-1904     ISO Abbreviation:  Naturwissenschaften     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0400767     Medline TA:  Naturwissenschaften     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Applied Biological Sciences, Saga University, Saga, 840-8502, Japan, tyoshiga@cc.saga-u.ac.jp.
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