Nematology, ( ISI ), Volume (16), No (4), Year (2014-8) , Pages (1-12)

Title : ( Cellular reactions of the white grub larvae, Polyphylla adspersa, against entomopathogenic nematodes )

Authors: Jamileh Alvandi , Javad Karimi , Gary B. Dunphy ,

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The haemocyte reactions of the white grub larvae, Polyphylla adspersa, to entomopathogenic nematodes (EPN), together with the host cell types have been studied. Six types of identified haemocytes included the prohaemocytes, granulocytes, plasmatocytes, oenocytoids, coagulocytes and spherulocytes. The granulocytes were the dominant (65.25%) haemocyte type followed by the plasmatocytes (22.14 %). Both haemocyte types encapsulate EPN. White grub larvae and last larval stage of Galleria mellonella were individually infected with monoxenic Heterorhabditis bacteriophora or Steinernema glaseri. The maximum total haemocyte counts (THC) level of the white grub larvae against the nematode S. glaseri occurred at 12 h post-injection. In addition, by 8 h post-injection, the granulocyte and plasmatocyte levels decreased. The cell reactions of the grubs against H. bacteriophora in terms of THC and differential haemocyte counts and the encapsulation rate started earlier and were more pronounced than those against S. glaseri. The maximum percentage of the encapsulation observed in the white grub larvae against S. glaseri (27.3± 0.7%) and H. bacteriophora (36.5± 3.5%) occurred at 12 and 8 h post-injection, respectively. EPN-triggered encapsulation in P. adspersa larvae was more extensive than in G. mellonella larvae.

Keywords

, cytology, defence, encapsulation, immunity, insect pathology, scarabaeid, wax
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@article{paperid:1042371,
author = {Alvandi, Jamileh and Karimi, Javad and Gary B. Dunphy},
title = {Cellular reactions of the white grub larvae, Polyphylla adspersa, against entomopathogenic nematodes},
journal = {Nematology},
year = {2014},
volume = {16},
number = {4},
month = {August},
issn = {1388-5545},
pages = {1--12},
numpages = {11},
keywords = {cytology; defence; encapsulation; immunity; insect pathology; scarabaeid; wax moth.},
}

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%0 Journal Article
%T Cellular reactions of the white grub larvae, Polyphylla adspersa, against entomopathogenic nematodes
%A Alvandi, Jamileh
%A Karimi, Javad
%A Gary B. Dunphy
%J Nematology
%@ 1388-5545
%D 2014

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