S. Ott

Publications61
h-index24
Citations1,733
Highly Influential Citations108
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Confocal microscopy in large insect brains: Zinc–formaldehyde fixation improves synapsin immunostaining and preservation of morphology in whole-mounts
  • S. Ott
  • Biology
    Journal of Neuroscience Methods
  • 30 July 2008
View on Elsevier
Serotonin Mediates Behavioral Gregarization Underlying Swarm Formation in Desert Locusts
TLDR
It is shown that serotonin, an evolutionarily conserved mediator of neuronal plasticity, is responsible for this behavioral transformation, being both necessary if behavioral gregarization is to occur and sufficient to induce it.
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Timed and Targeted Differential Regulation of Nitric Oxide Synthase (NOS) and Anti-NOS Genes by Reward Conditioning Leading to Long-Term Memory Formation
TLDR
This appears to be the first report of the timed and targeted differential regulation of the activity of a group of related genes involved in the production of a neurotransmitter that is necessary for learning, measured in an identified neuron of known function and the first example of the behavioral regulation of a pseudogene.
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Gregarious desert locusts have substantially larger brains with altered proportions compared with the solitarious phase
  • S. Ott, S. Rogers
  • Biology
    Proceedings of the Royal Society B: Biological…
  • 22 October 2010
TLDR
The first comprehensive major axis regression analysis of scaling relations in an insect brain revealed that phase differences in brain proportions arise from a combination of allometric effects and deviations from the allometric expectation (grade shifts).
View on Royal Society
Modeling Cooperative Volume Signaling in a Plexus of Nitric Oxide Synthase-Expressing Neurons
TLDR
It is concluded that an ultrafine plexus is configured to target a volume of the brain with a homogeneous volume signal, and it is proposed that the fineness-dependent properties of volume signals may in part account for the presence of similar NOS plexu morphologies in distantly related animals.
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Nitric oxide synthase in the thoracic ganglia of the locust: Distribution in the neuropiles and morphology of neurones
TLDR
A novel role for nitric oxide in an early stage of mechanosensory information processing in all thoracic neuromeres and an additional role in the prothoracic ganglion, which might be related to behavioural specializations of the forelegs are suggested.
View on Wiley
Nitric oxide synthase histochemistry in insect nervous systems: Methanol/formalin fixation reveals the neuroarchitecture of formaldehyde‐sensitive NADPH diaphorase in the cockroach Periplaneta…
TLDR
The present findings suggest that MF fixation is a valuable new tool for the comparative analysis of the neuroarchitecture of NO signaling in insects and suggests species differences in the role of NO in the mushroom bodies.
View on Wiley
Contralateral inhibition as a sensory bias: the neural basis for a female preference in a synchronously calling bushcricket, Mecopoda elongata
TLDR
It is shown that contralateral inhibition, the neural basis for lateral contrast enhancement in the auditory pathways of insects and vertebrates, is also the probable proximate neural mechanism for this female preference for leading signals, with important evolutionary consequences for male calling strategies.
View on Wiley
New Techniques for Whole-mount NADPH-diaphorase Histochemistry Demonstrated in Insect Ganglia
  • S. Ott, M. Elphick
  • Biology
    The journal of histochemistry and cytochemistry…
  • 1 April 2003
TLDR
The new methods revealed the three-dimensional architecture of NADPHd expression in locust ganglia in unprecedented detail and may similarly improve wholemount detection of NAD PHd in other invertebrate and vertebrate preparations.
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Critical role for protein kinase A in the acquisition of gregarious behavior in the desert locust
TLDR
Results show that PKA has been coopted into effecting the wide-ranging transformation from solitarious to gregarious behavior, with PKA-mediated behavioral plasticity resulting in an environmentally driven reorganization of a complex phenotype.
View on Publisher
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