Developmental changes in the structure and function of the central olfactory system in gregarious and solitary desert locusts

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Fältnamn	Indikatorer	Metadata
000		03251naa a2200313 4500
001		oai:lup.lub.lu.se:6c7ef105-fd7f-40c8-8e10-685d76c3ae0d
003		SwePub
008		160401s2002 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/1497212 URI
024	7	a https://doi.org/10.1002/jemt.100322 DOI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a vet2 swepub-contenttype
100	1	a Anton, Sylviau Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)extLU-291
245	1 0	a Developmental changes in the structure and function of the central olfactory system in gregarious and solitary desert locusts
264		c 2002-02-21
264	1	b Wiley,c 2002
520		a Desert locusts are guided by olfactory cues in different behavioural contexts. In order to understand the basis for the variable olfactory guided behaviour displayed by different developmental stages and by solitary and gregarious locusts, we investigated their central olfactory system with neuroanatomical and neurophysiological methods. The primary olfactory centre of the brain, the antennal lobe (AL), increases in size during development due to an increased number and size of glomeruli. These glomeruli are innervated by a constant number of projection neurons that display increased dendritic arborizations during the development of the locust. The anatomical parameters do not differ between gregarious and solitary locusts, In parallel with the observed neuroanatomical changes, neurophysiological changes in response spectra and response specificity of AL neurons were found. During development, the percentage of neurons responding specifically to aggregation pheromone components decreases, whereas an increase in both pheromone-generalists and plant-pheromone generalist neurons is observed. The percentage of neurons responding to green leaf volatiles, however, remains constant. A decrease in the number of nymph blend-specific neurons was also observed. Our data show that anatomical and physiological properties of the AL and its neurons to a large extent reflect the changes in olfactory guided behaviour during development and between phases. The majority of our results are also in accordance with findings that the number of olfactory receptor neurons increases during development, resulting in increasing convergence on AL neurons.
650	7	a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe
650	7	a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng
700	1	a Ignell, Ru Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)extLU-719
700	1	a Hansson, Bill Su Lund University4 aut
710	2	a Biologiska institutionenb Naturvetenskapliga fakulteten4 org
773	0	t Microscopy Research and Techniqued : Wileyg 56:4, s. 281-291q 56:4<281-291x 1059-910Xx 1097-0029
856	4	u http://dx.doi.org/10.1002/jemt.10032y FULLTEXT
856	4 8	u https://lup.lub.lu.se/record/149721
856	4 8	u https://doi.org/10.1002/jemt.10032

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Av författaren/redakt...: Anton, Sylvia; Ignell, R; Hansson, Bill S

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NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

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Av lärosätet: Lunds universitet

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