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A simple plan - Cnidarians and the origins of developmental mechanisms

Ball, Eldon; Hayward, David; Saint, Robert; Miller, David J.

Description

Comparisons with cnidarians, long considered to be 'simple' animals, are providing crucial insights into the origins of conserved developmental mechanisms and the nature of the common metazoan ancestor. Traditionally, an extra germ layer and a second axis of body symmetry are the features that distinguish 'higher' Metazoa from lower animals such as cnidarians. Moreover, it was expected that 'lower' animals would have a simple gene set that corresponds to their simple morphology. Now, molecular...[Show more]

dc.contributor.authorBall, Eldon
dc.contributor.authorHayward, David
dc.contributor.authorSaint, Robert
dc.contributor.authorMiller, David J.
dc.date.accessioned2015-12-13T23:09:56Z
dc.identifier.issn1061-4036
dc.identifier.urihttp://hdl.handle.net/1885/87233
dc.description.abstractComparisons with cnidarians, long considered to be 'simple' animals, are providing crucial insights into the origins of conserved developmental mechanisms and the nature of the common metazoan ancestor. Traditionally, an extra germ layer and a second axis of body symmetry are the features that distinguish 'higher' Metazoa from lower animals such as cnidarians. Moreover, it was expected that 'lower' animals would have a simple gene set that corresponds to their simple morphology. Now, molecular genetic approaches are blurring the developmental divide between cnidarians and bilateral animals, and cnidarian sequencing projects are showing that the common metazoan ancestor was more genetically complex than was previously assumed.
dc.publisherNature Publishing Group
dc.sourceNature Genetics
dc.subjectKeywords: biogenesis; cladistics; coelenterate; development; diploidy; dorsoventral axis; embryo axis; embryo development; evolution; gene; gene duplication; gene expression; gene sequence; genetic conservation; genetic marker; germ layer; mesoderm; metazoon; molec
dc.titleA simple plan - Cnidarians and the origins of developmental mechanisms
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume5
dc.date.issued2004
local.identifier.absfor060403 - Developmental Genetics (incl. Sex Determination)
local.identifier.ariespublicationMigratedxPub16437
local.type.statusPublished Version
local.contributor.affiliationBall, Eldon, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationHayward, David, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationSaint, Robert, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationMiller, David J., James Cook University
local.description.embargo2037-12-31
local.bibliographicCitation.startpage567
local.bibliographicCitation.lastpage577
local.identifier.doi10.1038/nrg1402
dc.date.updated2015-12-12T08:21:27Z
local.identifier.scopusID2-s2.0-3442896308
CollectionsANU Research Publications

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