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Nutrition quality, body size and two components of mating behavior in Drosophila melanogaster

100%

Pavkovic-Lucic S., Kekic V.

Folia Biologica

2010

vol. 58

issue 1-2

113-117

Two components of mating behavior, mating latency and duration of copulation, were investigated in Drosophila melanogaster males from three different ..nutritional.. strains, reared for more than 35 generations on banana, tomato and cornmeal-agar-yeast substrates. Males from different strains did not differ according to mating latency and duration of copulation. Also, the sizes of males from different strains did not contribute to these behavioral traits.

External and internal inputs affecting plasticity of dendrites and axons of the fly's neurons

86%

Pyza E., Gorska-Andrzejak J.

Acta Neurobiologiae Experimentalis

2008

vol. 68

issue 2

323-333

Neurons and glial cells in the fly's visual system exhibit circadian rhythms through changes in shape and size. Moreover, the number of synaptic contacts between these cells changes during the day and night and in the case of one type of synapses, feedback synapses, is maintained under constant conditions indicating an endogenous origin of this rhythm. The structural changes described above, involving the oscillations in the number of synapses and the size of interneurons and glial cells, are examples of plasticity in the central nervous system driven by internal inputs from a circadian clock and by external stimuli such as light. They are also modulated by visual and other sensory stimuli and by motor activity.

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1 Acta Neurobiologiae Experimentalis

1 Folia Biologica

1 2010

1 2008

1 Gorska-Andrzejak J.

1 Kekic V.

1 Pavkovic-Lucic S.

1 Pyza E.

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Nutrition quality, body size and two components of mating behavior in Drosophila melanogaster

External and internal inputs affecting plasticity of dendrites and axons of the fly's neurons