Arid
DOI10.1002/cne.25221
Sex-specific and caste-specific brain adaptations related to spatial orientation in Cataglyphis ants
Grob, Robin; Heinig, Niklas; Gruebel, Kornelia; Roessler, Wolfgang; Fleischmann, Pauline N.
通讯作者Grob, R (corresponding author), Univ Wurzburg, Bioctr, Behav Physiol & Sociobiol Zool 2, D-97074 Wurzburg, Germany.
来源期刊JOURNAL OF COMPARATIVE NEUROLOGY
ISSN0021-9967
EISSN1096-9861
出版年2021
英文摘要Cataglyphis desert ants are charismatic central place foragers. After long-ranging foraging trips, individual workers navigate back to their nest relying mostly on visual cues. The reproductive caste faces other orientation challenges, i.e. mate finding and colony foundation. Here we compare brain structures involved in spatial orientation of Cataglyphis nodus males, gynes, and foragers by quantifying relative neuropil volumes associated with two visual pathways, and numbers and volumes of antennal lobe (AL) olfactory glomeruli. Furthermore, we determined absolute numbers of synaptic complexes in visual and olfactory regions of the mushroom bodies (MB) and a major relay station of the sky-compass pathway to the central complex (CX). Both female castes possess enlarged brain centers for sensory integration, learning, and memory, reflected in voluminous MBs containing about twice the numbers of synaptic complexes compared with males. Overall, male brains are smaller compared with both female castes, but the relative volumes of the optic lobes and CX are enlarged indicating the importance of visual guidance during innate behaviors. Male ALs contain greatly enlarged glomeruli, presumably involved in sex-pheromone detection. Adaptations at both the neuropil and synaptic levels clearly reflect differences in sex-specific and caste-specific demands for sensory processing and behavioral plasticity underlying spatial orientation.
英文关键词antennal lobe central complex learning and memory mushroom bodies optic lobes polymorphism synaptic plasticity
类型Article ; Early Access
语种英语
开放获取类型hybrid
收录类别SCI-E
WOS记录号WOS:000682946400001
WOS关键词ANTENNAL-LOBE ; DESERT ANTS ; MUSHROOM BODIES ; MACROGLOMERULAR COMPLEX ; VISUAL EXPERIENCE ; LEARNING WALKS ; LIFE ; ORGANIZATION ; HYMENOPTERA ; INFORMATION
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/2XILL650/363819
作者单位[Grob, Robin; Heinig, Niklas; Gruebel, Kornelia; Roessler, Wolfgang; Fleischmann, Pauline N.] Univ Wurzburg, Bioctr, Behav Physiol & Sociobiol Zool 2, D-97074 Wurzburg, Germany
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GB/T 7714
Grob, Robin,Heinig, Niklas,Gruebel, Kornelia,et al. Sex-specific and caste-specific brain adaptations related to spatial orientation in Cataglyphis ants[J],2021.
APA Grob, Robin,Heinig, Niklas,Gruebel, Kornelia,Roessler, Wolfgang,&Fleischmann, Pauline N..(2021).Sex-specific and caste-specific brain adaptations related to spatial orientation in Cataglyphis ants.JOURNAL OF COMPARATIVE NEUROLOGY.
MLA Grob, Robin,et al."Sex-specific and caste-specific brain adaptations related to spatial orientation in Cataglyphis ants".JOURNAL OF COMPARATIVE NEUROLOGY (2021).
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