Arid
DOI10.1002/cne.24520
Neuroarchitecture of the dung beetle central complex
el Jundi, Basil1; Warrant, Eric J.2; Pfeiffer, Keram3; Dacke, Marie2
通讯作者el Jundi, Basil
来源期刊JOURNAL OF COMPARATIVE NEUROLOGY
ISSN0021-9967
EISSN1096-9861
出版年2018
卷号526期号:16页码:2612-2630
英文摘要

Despite their tiny brains, insects show impressive abilities when navigating over short distances during path integration or during migration over thousands of kilometers across entire continents. Celestial compass cues often play an important role as references during navigation. In contrast to many other insects, South African dung beetles rely exclusively on celestial cues for visual reference during orientation. After finding a dung pile, these animals cut off a piece of dung from the pat, shape it into a ball and roll it away along a straight path until a suitable place for underground consumption is found. To maintain a constant bearing, a brain region in the beetle’s brain, called the central complex, is crucially involved in the processing of skylight cues, similar to what has already been shown for path-integrating and migrating insects. In this study, we characterized the neuroanatomy of the sky-compass network and the central complex in the dung beetle brain in detail. Using tracer injections, combined with imaging and 3D modeling, we describe the anatomy of the possible sky-compass network in the central brain. We used a quantitative approach to study the central-complex network and found that several types of neuron exhibit a highly organized connectivity pattern. The architecture of the sky-compass network and central complex is similar to that described in insects that perform path integration or are migratory. This suggests that, despite their different orientation behaviors, this neural circuitry for compass orientation is highly conserved among the insects.


英文关键词anatomy insect navigation orientation polarized light RRID: AB_2315426 Scarabaeus vision
类型Article
语种英语
国家Germany ; Sweden
收录类别SCI-E
WOS记录号WOS:000450303900005
WOS关键词ANTERIOR OPTIC TUBERCLE ; LOCUST SCHISTOCERCA-GREGARIA ; DROSOPHILA CENTRAL COMPLEX ; 2 PARALLEL PATHWAYS ; DESERT LOCUST ; POLARIZED-LIGHT ; NEOBELLIERIA-BULLATA ; PROTOCEREBRAL BRIDGE ; ANATOMICAL BASIS ; FLESH FLY
WOS类目Neurosciences ; Zoology
WOS研究方向Neurosciences & Neurology ; Zoology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210788
作者单位1.Univ Wurzburg, Bioctr, Zool 2, Emmy Noether Anim Nav Grp, Wurzburg, Germany;
2.Lund Univ, Dept Biol, Vis Grp, Lund, Sweden;
3.Univ Wurzburg, Bioctr, Zool 2, Wurzburg, Germany
推荐引用方式
GB/T 7714
el Jundi, Basil,Warrant, Eric J.,Pfeiffer, Keram,et al. Neuroarchitecture of the dung beetle central complex[J],2018,526(16):2612-2630.
APA el Jundi, Basil,Warrant, Eric J.,Pfeiffer, Keram,&Dacke, Marie.(2018).Neuroarchitecture of the dung beetle central complex.JOURNAL OF COMPARATIVE NEUROLOGY,526(16),2612-2630.
MLA el Jundi, Basil,et al."Neuroarchitecture of the dung beetle central complex".JOURNAL OF COMPARATIVE NEUROLOGY 526.16(2018):2612-2630.
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