Organization of the antennal motor system in the sphinx moth Manduca sexta

Peter Kloppenburg; Scott M. Camazine; Xue Jun Sun; Peggy Randolph; John G. Hildebrand

doi:10.1007/s004410050767

Organization of the antennal motor system in the sphinx moth Manduca sexta

Peter Kloppenburg, Scott M. Camazine, Xue Jun Sun, Peggy Randolph, John G. Hildebrand

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

The antennae of the sphinx moth Manduca sexta are multimodal sense organs, each comprising three segments: scape, pedicel, and flagellum. Each antenna is moved by two systems of muscles, one controlling the movement of the scape and consisting of five muscles situated in the head capsule (extrinsic muscles), and the other system located within the scape (intrinsic muscles) and consisting of four muscles that move the pedicel. At least seven motoneurons innervate the extrinsic muscles, and at least five motoneurons innervate the intrinsic muscles. The dendritic fields of the antennal motoneurons overlap one another extensively and are located in the neuropil of the antennal mechanosensory and motor center. The density of motoneuronal arborizations is greatest in the lateral part of this neuropil region and decreases more medially. None of the motoneurons exhibits a contralateral projection. The cell bodies of motoneurons innervating the extrinsic muscles are distributed throughout an arching band of neuronal somata dorsal and dorsolateral to the neuropil of the antennal mechanosensory and motor center, whereas the cell bodies of motoneurons innervating the intrinsic muscles reside mainly among the neuronal somata situated dorsolateral to that neuropil.

Original language	English (US)
Pages (from-to)	425-433
Number of pages	9
Journal	Cell and Tissue Research
Volume	287
Issue number	2
DOIs	https://doi.org/10.1007/s004410050767
State	Published - 1997

Keywords

Antenna
Antennal muscles
Brain, insect
Deutocerebrum
Manducn sexta (Insecta)
Motoneurons

ASJC Scopus subject areas

Pathology and Forensic Medicine
Histology
Cell Biology

Access to Document

10.1007/s004410050767

Cite this

@article{8fa12e45385044f885cbb698e174e315,

title = "Organization of the antennal motor system in the sphinx moth Manduca sexta",

abstract = "The antennae of the sphinx moth Manduca sexta are multimodal sense organs, each comprising three segments: scape, pedicel, and flagellum. Each antenna is moved by two systems of muscles, one controlling the movement of the scape and consisting of five muscles situated in the head capsule (extrinsic muscles), and the other system located within the scape (intrinsic muscles) and consisting of four muscles that move the pedicel. At least seven motoneurons innervate the extrinsic muscles, and at least five motoneurons innervate the intrinsic muscles. The dendritic fields of the antennal motoneurons overlap one another extensively and are located in the neuropil of the antennal mechanosensory and motor center. The density of motoneuronal arborizations is greatest in the lateral part of this neuropil region and decreases more medially. None of the motoneurons exhibits a contralateral projection. The cell bodies of motoneurons innervating the extrinsic muscles are distributed throughout an arching band of neuronal somata dorsal and dorsolateral to the neuropil of the antennal mechanosensory and motor center, whereas the cell bodies of motoneurons innervating the intrinsic muscles reside mainly among the neuronal somata situated dorsolateral to that neuropil.",

keywords = "Antenna, Antennal muscles, Brain, insect, Deutocerebrum, Manducn sexta (Insecta), Motoneurons",

author = "Peter Kloppenburg and Camazine, {Scott M.} and Sun, {Xue Jun} and Peggy Randolph and Hildebrand, {John G.}",

note = "Funding Information: &p.2: knowledgements. We dedicate this paper to the memory of our late colleague and friend Ed Arbas who inspired our interest in moth flight. We are grateful to Drs. H.-W. Honegger, S.G. Matsu-moto, L.P. Tolbert, and M.A. Willis for helpful discussions; to L. Meszoly of the Harvard University Museum of Comparative Zoology for masterful drawings based on dissected preparations; to C. Hedgcock, R.B.P., for photographic assistance; and to Drs. J. Buckner and J. Svoboda of the U.S. Dept. of Agriculture for supplying M. sexta eggs. This study began in 1979 when S.M.C. and J.G.H. were in the Dept. of Neurobiology, Harvard Medical School, Boston, Mass., and has been supported in part by NSF grant BSN77-13281 and NIH grant AI-23253 (to J.G.H.). S.M.C. was supported by NIH Training Grant NS-07112; P.K. was supported in part by grant K1 762/1-1 from the Deutsche For-schungsgemeinschaft; and X.J.S. was supported by a postdoctoral fellowship from the Center for Insect Science at the University of Arizona.",

year = "1997",

doi = "10.1007/s004410050767",

language = "English (US)",

volume = "287",

pages = "425--433",

journal = "Cell and Tissue Research",

issn = "0302-766X",

publisher = "Springer Science and Business Media Deutschland GmbH",

number = "2",

}

TY - JOUR

T1 - Organization of the antennal motor system in the sphinx moth Manduca sexta

AU - Kloppenburg, Peter

AU - Camazine, Scott M.

AU - Sun, Xue Jun

AU - Randolph, Peggy

AU - Hildebrand, John G.

N1 - Funding Information: &p.2: knowledgements. We dedicate this paper to the memory of our late colleague and friend Ed Arbas who inspired our interest in moth flight. We are grateful to Drs. H.-W. Honegger, S.G. Matsu-moto, L.P. Tolbert, and M.A. Willis for helpful discussions; to L. Meszoly of the Harvard University Museum of Comparative Zoology for masterful drawings based on dissected preparations; to C. Hedgcock, R.B.P., for photographic assistance; and to Drs. J. Buckner and J. Svoboda of the U.S. Dept. of Agriculture for supplying M. sexta eggs. This study began in 1979 when S.M.C. and J.G.H. were in the Dept. of Neurobiology, Harvard Medical School, Boston, Mass., and has been supported in part by NSF grant BSN77-13281 and NIH grant AI-23253 (to J.G.H.). S.M.C. was supported by NIH Training Grant NS-07112; P.K. was supported in part by grant K1 762/1-1 from the Deutsche For-schungsgemeinschaft; and X.J.S. was supported by a postdoctoral fellowship from the Center for Insect Science at the University of Arizona.

PY - 1997

Y1 - 1997

N2 - The antennae of the sphinx moth Manduca sexta are multimodal sense organs, each comprising three segments: scape, pedicel, and flagellum. Each antenna is moved by two systems of muscles, one controlling the movement of the scape and consisting of five muscles situated in the head capsule (extrinsic muscles), and the other system located within the scape (intrinsic muscles) and consisting of four muscles that move the pedicel. At least seven motoneurons innervate the extrinsic muscles, and at least five motoneurons innervate the intrinsic muscles. The dendritic fields of the antennal motoneurons overlap one another extensively and are located in the neuropil of the antennal mechanosensory and motor center. The density of motoneuronal arborizations is greatest in the lateral part of this neuropil region and decreases more medially. None of the motoneurons exhibits a contralateral projection. The cell bodies of motoneurons innervating the extrinsic muscles are distributed throughout an arching band of neuronal somata dorsal and dorsolateral to the neuropil of the antennal mechanosensory and motor center, whereas the cell bodies of motoneurons innervating the intrinsic muscles reside mainly among the neuronal somata situated dorsolateral to that neuropil.

AB - The antennae of the sphinx moth Manduca sexta are multimodal sense organs, each comprising three segments: scape, pedicel, and flagellum. Each antenna is moved by two systems of muscles, one controlling the movement of the scape and consisting of five muscles situated in the head capsule (extrinsic muscles), and the other system located within the scape (intrinsic muscles) and consisting of four muscles that move the pedicel. At least seven motoneurons innervate the extrinsic muscles, and at least five motoneurons innervate the intrinsic muscles. The dendritic fields of the antennal motoneurons overlap one another extensively and are located in the neuropil of the antennal mechanosensory and motor center. The density of motoneuronal arborizations is greatest in the lateral part of this neuropil region and decreases more medially. None of the motoneurons exhibits a contralateral projection. The cell bodies of motoneurons innervating the extrinsic muscles are distributed throughout an arching band of neuronal somata dorsal and dorsolateral to the neuropil of the antennal mechanosensory and motor center, whereas the cell bodies of motoneurons innervating the intrinsic muscles reside mainly among the neuronal somata situated dorsolateral to that neuropil.

KW - Antenna

KW - Antennal muscles

KW - Brain, insect

KW - Deutocerebrum

KW - Manducn sexta (Insecta)

KW - Motoneurons

UR - http://www.scopus.com/inward/record.url?scp=0031050288&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0031050288&partnerID=8YFLogxK

U2 - 10.1007/s004410050767

DO - 10.1007/s004410050767

M3 - Article

C2 - 8995213

AN - SCOPUS:0031050288

SN - 0302-766X

VL - 287

SP - 425

EP - 433

JO - Cell and Tissue Research

JF - Cell and Tissue Research

IS - 2

ER -

Organization of the antennal motor system in the sphinx moth Manduca sexta

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this