Biogenic amines in protocerebral A2 neurosecretory neurons of Lymantria dispar L. (Lepidoptera : Lymantridae) – response to trophic stress

The number, morphometric parameters and amount of aminergic neurosecretory product of protocerebral A2 neurosecretory neurons were investigated in the fifth instar of Lymantria dispar caterpillars, following a suitable or unsuitable trophic regime. Caterpillars originated from two populations (Querc...

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Published in:Archives of biological sciences 2011, Vol.63 (3), p.571-577
Main Authors: Perić-Mataruga, V., Institute for Biological Research Siniša Stanković, Belgrade (Serbia), Mrdaković, M., Institute for Biological Research Siniša Stanković, Belgrade (Serbia), Vlahović, M., Institute for Biological Research Siniša Stanković, Belgrade (Serbia), Ilijin, L., Institute for Biological Research Siniša Stanković, Belgrade (Serbia), Janković-Tomanić, M., Institute for Biological Research Siniša Stanković, Belgrade (Serbia), Mirčić, D., State University of Novi Pazar, Novi Pazar (Serbia). Department of Biochemical and Medical Sciences, Nenadović, V., Institute for Biological Research Siniša Stanković, Belgrade (Serbia)
Format: Article
Language:English
Subjects:
ADAPTACIAN
ADAPTATION
AMINAS BIOGANICAS
AMINE BIOGANE
BIOGENIC AMINES
BOSQUES
ESTRES
FORAT
FORESTS
http://www.fao.org/aos/agrovoc#c_117
http://www.fao.org/aos/agrovoc#c_24696
http://www.fao.org/aos/agrovoc#c_30232
http://www.fao.org/aos/agrovoc#c_3062
http://www.fao.org/aos/agrovoc#c_32044
http://www.fao.org/aos/agrovoc#c_6625
http://www.fao.org/aos/agrovoc#c_7452
LYMANTRIA DISPAR
Neurosecretory neurons
physiological adaptations
QUERCUS RUBRA
ROBINIA PSEUDOACACIA
STRESS
trophic stress
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Summary:The number, morphometric parameters and amount of aminergic neurosecretory product of protocerebral A2 neurosecretory neurons were investigated in the fifth instar of Lymantria dispar caterpillars, following a suitable or unsuitable trophic regime. Caterpillars originated from two populations (Quercus rubra or Robinia pseudoacacia forest) and were differently adapted to trophic stress, i.e. feeding on locust tree leaves – unsuitable host plant. The number of neurosecretory neurons was higher in the caterpillars originated from Robinia population than in Quercus population, regardless of feeding. A2 neurosecretory neurons, nuclei and their nucleoli were larger in caterpillars fed with unsuitable leaves in both populations. There was more aminergic product in the A2 neurosecretory neurons of the caterpillars fed with unsuitable leaves independently of population origin.
ISSN:0354-4664
1821-4339
DOI:10.2298/ABS1103571P