Maintenance of ancestral complexity and non-metazoan genes in two basal cnidarians

被引：244

作者：

Technau, U

Rudd, S

Maxwell, P

Gordon, PMK

Saina, M

Grasso, LC

Hayward, DC

Sensen, CW

Saint, R

Holstein, TW

Ball, EE

Miller, DJ

机构：

[1] Univ Bergen, Sars Int Ctr Marine Mol Biol, N-5008 Bergen, Norway

[2] Ctr Biotechnol, FIN-20521 Turku, Finland

[3] Australian Natl Univ, Ctr Bioinformat Sci, Canberra, ACT 2601, Australia

[4] Univ Calgary, Dept Biochem & Mol Biol, Calgary, AB T2N 4N1, Canada

[5] Australian Natl Univ, Res Sch Biol Sci, Ctr Mol Genet Dev & Mol Genet & Evolut Grp, Canberra, ACT 2601, Australia

[6] Univ Heidelberg, Inst Zool, D-69120 Heidelberg, Germany

[7] James Cook Univ N Queensland, Comparat Genome Ctr, Townsville, Qld 4811, Australia

来源：

TRENDS IN GENETICS | 2005年 / 21卷 / 12期

关键词：

D O I：

10.1016/j.tig.2005.09.007

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Cnidarians are among the simplest extant animals; however EST analyses reveal that they have a remarkably high level of genetic complexity. In this article, we show that the full diversity of metazoan signaling pathways is represented in this phylum, as are antagonists previously known only in chordates. Many of the cnidarian ESTs match genes previously known only in non-animal kingdoms. At least some of these represent ancient genes lost by all bilaterians examined so far, rather than genes gained by recent lateral gene transfer.

引用

页码：633 / 639

页数：7

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