Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans.

Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans. Research Abstract Details 

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Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans. Abstract Text:

Liesbeth M Schmidt,Laurence Mouton,Guang Nong,Dieter Ebert,James F Preston,Liesbeth M Schmidt,Laurence Mouton,Guang Nong,Dieter Ebert,James F Preston,Liesbeth M Schmidt,Laurence Mouton,Guang Nong,Dieter Ebert,James F Preston,

Pasteuria penetrans, an obligate endospore-forming parasite of Meloidogyne spp. (root knot nematodes), has been identified as a promising agent for biocontrol of these destructive agricultural crop pests. Pasteuria ramosa, an obligate parasite of water fleas (Daphnia spp.), has been shown to modulate cladoceran populations in natural ecosystems. Selected sporulation genes and an epitope associated with the spore envelope of these related species were compared. The sigE and spoIIAA/spoIIAB genes differentiate the two species to a greater extent than 16S rRNA and may serve as probes to differentiate the species. Single-nucleotide variations were observed in several conserved genes of five distinct populations of P. ramosa, and while most of these variations are silent single-nucleotide polymorphisms, a few result in conservative amino acid substitutions. A monoclonal antibody directed against an adhesin epitope present on P. penetrans P20 endospores, previously determined to be specific for Pasteuria spp. associated with several phytopathogenic nematodes, also detects an epitope associated with P. ramosa endospores. Immunoblotting provided patterns that differentiate P. ramosa from other Pasteuria spp. This monoclonal antibody thus provides a probe with which to detect and discriminate endospores of different Pasteuria spp. The presence of a shared adhesin epitope in two species with such ecologically distant hosts suggests that there is an ancient and ecologically significant recognition process in these endospore-forming bacilli that contributes to the virulence of both species in their respective hosts.

Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans. Publishing Authors By Initials

LM Schmidt,L Mouton,G Nong,D Ebert,JF Preston,LM Schmidt,L Mouton,G Nong,D Ebert,JF Preston,LM Schmidt,L Mouton,G Nong,D Ebert,JF Preston,

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Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Applied and environmental microbiology

VOLUME: 74

Page Numbers: 259-64

Journal Abbreviation: Appl. Environ. Microbiol.

ISSN: 1098-5336

DAY: 12

MONTH: 10

YEAR: 2007

Genetic and Immunological Comparison of the Cladoceran Parasite Pasteuria ramosa with the Nematode Parasite Pasteuria penetrans. Information

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LANGUAGE: eng

NlmUniqueID: 7605801

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AFFILIATION: Department of Microbiology and Cell Science, University of Florida, Gainesville, FL 32611. jpreston@ufl.edu.

Country: United States

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MEDLINETA: Appl Environ Microbiol

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