No limits: Breaking constraints in insect miniaturization.
Allometry
Evolutionary innovation
Evolvability
Miniaturization
Scaling law
Journal
Arthropod structure & development
ISSN: 1873-5495
Titre abrégé: Arthropod Struct Dev
Pays: England
ID NLM: 100972232
Informations de publication
Date de publication:
Jan 2019
Jan 2019
Historique:
received:
12
10
2018
revised:
22
11
2018
accepted:
23
11
2018
pubmed:
30
11
2018
medline:
28
5
2019
entrez:
30
11
2018
Statut:
ppublish
Résumé
Small arthropods are not simply scaled-down versions of their larger closest relatives, as changes in morphology and functional characters are largely governed by scaling laws. These same scaling laws set strict limits to size change toward smaller sizes. The evolution of extreme miniaturized forms involves the breaking of these constraints, by means of design innovations that allow evolutionary change to evade the limits posed by scaling laws. Here we review several cases studies in insects and other arthropods that illustrate this evolutionary path. We examine morphologies commonly recurring in miniaturized forms but not exclusive to them, morphologies exclusive to miniaturized forms and novel functional solutions supported by unconventional morphologies. We also discuss miniaturization and its evolvability taking into consideration arthropod postembryonic development and modular body organization. The modification of features commonly supposed not to change appears as a recurring pattern in arthropod miniaturization.
Identifiants
pubmed: 30496889
pii: S1467-8039(18)30132-4
doi: 10.1016/j.asd.2018.11.009
pii:
doi:
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
4-11Informations de copyright
Copyright © 2018 Elsevier Ltd. All rights reserved.