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@proceedings{1195383,
author = {Dobeš, Pavel and Berka, Jakub and Hurychová, Jana and Vojtek, Libor and Hyršl, Pavel},
booktitle = {International Congress on Invertebrate Pathology and Microbial Control & 47th Annual Meeting of the Society for Invertebrate Pathology},
keywords = {entomopathogenic nematodes; insect; mortality; pathogenicity; development},
language = {eng},
title = {Pathogenicity of nematobacterial complexes and its development},
year = {2014}
}
TY - CONF
ID - 1195383
AU - Dobeš, Pavel - Berka, Jakub - Hurychová, Jana - Vojtek, Libor - Hyršl, Pavel
PY - 2014
TI - Pathogenicity of nematobacterial complexes and its development
KW - entomopathogenic nematodes
KW - insect
KW - mortality
KW - pathogenicity
KW - development
N2 - Entomopathogenic nematodes and their associated bacteria comprise together highly pathogenic complex able to invade and kill insect host within two days. Both bacteria and nematodes produce variety of factors interacting with insect immune system that help to overcome host defences. These factors are specific for each of nematobacterial complexes leading to the differences in their pathogenicity. Moreover, we observed difference in pathogenicity also between two isolates of one nematobacterial complex, Steinernema carpocapsae – Xenorhabdus nematophila. Ability to invade and kill insect host is low in newly emerged nematodes and develops through the time reaching its maximum after three weeks in complex Heterorhabditis bacteriophora – Photorhabdus luminescens. Differences in pathogenicity were observed also among particular generations of nematodes released from insect cadaver. Nematodes collected at the beginning of emergence were less pathogenic than subsequent collections. From third week of collection further we did not detect any other significant changes in nematobacterial pathogenicity, which is then influenced only by the survival of nematodes. Data describing development of infectivity and pathogenicity of Heterorhabditis bacteriophora – Photorhabdus luminescens complex will be used to increase efficiency and reproducibility of experimental infections used to describe immune response of insect to the nematobacterial complexes. Our research was supported by the project KONTAKT II LH14047 and program CZ.1.07/2.3.00/30.0009 co-financed from European Social Fund and the state budget of the Czech Republic.
ER -
DOBEŠ, Pavel, Jakub BERKA, Jana HURYCHOVÁ, Libor VOJTEK a Pavel HYRŠL. Pathogenicity of nematobacterial complexes and its development. Online. In \textit{International Congress on Invertebrate Pathology and Microbial Control \&{} 47th Annual Meeting of the Society for Invertebrate Pathology}. 2014. ISSN~1866-590X. [citováno 2024-04-24]
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