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Mushroom bodies in crustaceans : Insect-like organization in the caridid shrimp Lebbeus groenlandicus

Sayre, Marcel E. LU orcid and Strausfeld, Nicholas J. (2019) In Journal of Comparative Neurology 527(14). p.2371-2387
Abstract

Paired centers in the forebrain of insects, called the mushroom bodies, have become the most investigated brain region of any invertebrate due to novel genetic strategies that relate unique morphological attributes of these centers to their functional roles in learning and memory. Mushroom bodies possessing all the morphological attributes of those in dicondylic insects have been identified in mantis shrimps, basal hoplocarid crustaceans that are sister to Eumalacostraca, the most species-rich group of Crustacea. However, unless other examples of mushroom bodies can be identified in Eumalacostraca, the possibility is that mushroom body-like centers may have undergone convergent evolution in Hoplocarida and are unique to this crustacean... (More)

Paired centers in the forebrain of insects, called the mushroom bodies, have become the most investigated brain region of any invertebrate due to novel genetic strategies that relate unique morphological attributes of these centers to their functional roles in learning and memory. Mushroom bodies possessing all the morphological attributes of those in dicondylic insects have been identified in mantis shrimps, basal hoplocarid crustaceans that are sister to Eumalacostraca, the most species-rich group of Crustacea. However, unless other examples of mushroom bodies can be identified in Eumalacostraca, the possibility is that mushroom body-like centers may have undergone convergent evolution in Hoplocarida and are unique to this crustacean lineage. Here, we provide evidence that speaks against convergent evolution, describing in detail the paired mushroom bodies in the lateral protocerebrum of a decapod crustacean, Lebbeus groenlandicus, a species belonging to the infraorder Caridea, an ancient lineage of Eumalacostraca.

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publication status
published
subject
keywords
evolution, hemiellipsoid body, homology, mushroom body, Pancrustacea, RRID:AB_1157911, RRID:AB_1566510, RRID:AB_301787, RRID:AB_477,019, RRID:AB_528479, RRID:AB_572263, RRID:AB_572268
in
Journal of Comparative Neurology
volume
527
issue
14
pages
2371 - 2387
publisher
John Wiley & Sons Inc.
external identifiers
  • pmid:30861118
  • scopus:85063620320
ISSN
0021-9967
DOI
10.1002/cne.24678
language
English
LU publication?
yes
id
4258da77-3d23-46f5-a308-f9d9eee2b3bc
date added to LUP
2019-04-10 13:29:26
date last changed
2024-02-14 21:46:07
@article{4258da77-3d23-46f5-a308-f9d9eee2b3bc,
  abstract     = {{<p>Paired centers in the forebrain of insects, called the mushroom bodies, have become the most investigated brain region of any invertebrate due to novel genetic strategies that relate unique morphological attributes of these centers to their functional roles in learning and memory. Mushroom bodies possessing all the morphological attributes of those in dicondylic insects have been identified in mantis shrimps, basal hoplocarid crustaceans that are sister to Eumalacostraca, the most species-rich group of Crustacea. However, unless other examples of mushroom bodies can be identified in Eumalacostraca, the possibility is that mushroom body-like centers may have undergone convergent evolution in Hoplocarida and are unique to this crustacean lineage. Here, we provide evidence that speaks against convergent evolution, describing in detail the paired mushroom bodies in the lateral protocerebrum of a decapod crustacean, Lebbeus groenlandicus, a species belonging to the infraorder Caridea, an ancient lineage of Eumalacostraca.</p>}},
  author       = {{Sayre, Marcel E. and Strausfeld, Nicholas J.}},
  issn         = {{0021-9967}},
  keywords     = {{evolution; hemiellipsoid body; homology; mushroom body; Pancrustacea; RRID:AB_1157911; RRID:AB_1566510; RRID:AB_301787; RRID:AB_477,019; RRID:AB_528479; RRID:AB_572263; RRID:AB_572268}},
  language     = {{eng}},
  month        = {{03}},
  number       = {{14}},
  pages        = {{2371--2387}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Journal of Comparative Neurology}},
  title        = {{Mushroom bodies in crustaceans : Insect-like organization in the caridid shrimp Lebbeus groenlandicus}},
  url          = {{http://dx.doi.org/10.1002/cne.24678}},
  doi          = {{10.1002/cne.24678}},
  volume       = {{527}},
  year         = {{2019}},
}