Abstract
The somatic nervous system of the nematode worm Caenorhabditis elegans is a model for understanding the physical characteristics of the neurons and their interconnections. Its neurons show high variation in morphological attributes. This study investigates the relationship of neuronal morphology to the number of synapses per neuron. Morphology is also examined for any detectable association with neuron cell type or ganglion membership.
Highlights
This system has been modified along a path that is constrained by biological evolution (Waddington, 1942; Elston et al, 2001; Laughlin and Sejnowski, 2003; Elston, 2007; Elston and Manger, 2014; Moroz and Kohn, 2016; Niven and Chittka, 2016; Burkhardt and Sprecher, 2017), cellular processes which include stochastic mechanisms (Nicklas, 1997; Kaern et al, 2005; Cai et al, 2006; Faisal et al, 2008; Almog and Korngreen, 2016), and physical constraint of cellular structure in tissue (Ramon y Cajal, 1899; Elston, 2007; Lecuit and Lenne, 2007)
Neuronal Morphology in Nematode Worm structure and their morphological measurements across many animal species (Meijering, 2010; Donohue and Ascoli, 2011; Feng et al, 2015). This data was analyzed by principal component analysis (PCA) to further our understanding of the distinctiveness of neuronal morphology in C. elegans (Costa Lda et al, 2010; Guerra et al, 2011; Hobert et al, 2016) and its relationship to the number of synaptic connections per neuron (Chklovskii, 2004; Elston, 2007; Rees et al, 2017)
The cell type of each neuron in C. elegans was annotated from an associated publication source whenever available
Summary
This data was analyzed by principal component analysis (PCA) to further our understanding of the distinctiveness of neuronal morphology in C. elegans (Costa Lda et al, 2010; Guerra et al, 2011; Hobert et al, 2016) and its relationship to the number of synaptic connections per neuron (Chklovskii, 2004; Elston, 2007; Rees et al, 2017). Data Retrieval http://NeuroMorpho.Org (Ascoli, 2006; accessed August 2019) was the source of morphological data of neurons in the following metazoan animal species: C. elegans (N = 603), the fruit fly (N = 28484), and rat (N = 27520).
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