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Origin and early evolution of the vertebrates: new insights from advances in molecular biology, anatomy, and palaeontology
Holland, ND; Chen, JY (陈均远)
2001-02-01
Source PublicationBIOESSAYS
ISSN0265-9247
Volume23Issue:2Pages:142-151
Abstract

Recent advances in molecular biology and microanatomy have supported homologies of body parts between vertebrates and extant invertebrate chordates, thus providing insights into the body plan of the proximate ancestor of the vertebrates. For example, this ancestor probably had a relatively complex brain and a precursor of definitive neural crest. Additional insights into early vertebrate evolution have come from recent discoveries of Lower Cambrian soft body fossils of Haikouichthys and Myllokunmingia (almost certainly vertebrates, possibly related to modern lampreys) and Yunnanozoon and Haikouella (evidently stem-group vertebrates), The earliest vertebrates had an unequivocally marine origin, probably evolved mineralised pharyngeal denticles before the dermal skeleton, and evidently utilised elastic recoil of the visceral arch skeleton for suction feeding. Moreover, the new data emphasise that the advent of definitive neural crest was supremely important for the evolutionary origin of the vertebrates. (C) 2001 John Wiley & Sons, Inc.

Language英语
WOS KeywordDevelopmental Expression ; Neural Crest ; Branchiostoma-lanceolatum ; Nervous-system ; Hox Genes ; Amphioxus ; Chordate ; Lancelet ; Sequence ; Preservation
WOS Research AreaBiochemistry & Molecular Biology ; Life Sciences & Biomedicine - Other Topics
WOS SubjectBiochemistry & Molecular Biology ; Biology
WOS IDWOS:000166619500006
PublisherCOMPANY OF BIOLOGISTS LTD
Citation statistics
Cited Times:133[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/738
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorHolland, ND
Affiliation1.Scripps Inst Oceanog, Div Marine Biol, La Jolla, CA 92093 USA
2.Acad Sinica, Nanjing Inst Geol & Palaeontol, Nanjing, Peoples R China
Recommended Citation
GB/T 7714
Holland, ND,Chen, JY . Origin and early evolution of the vertebrates: new insights from advances in molecular biology, anatomy, and palaeontology[J]. BIOESSAYS,2001,23(2):142-151.
APA Holland, ND,&Chen, JY .(2001).Origin and early evolution of the vertebrates: new insights from advances in molecular biology, anatomy, and palaeontology.BIOESSAYS,23(2),142-151.
MLA Holland, ND,et al."Origin and early evolution of the vertebrates: new insights from advances in molecular biology, anatomy, and palaeontology".BIOESSAYS 23.2(2001):142-151.
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