Genomic Analysis of Organismal Complexity in the Multicellular Green Alga Volvox carteri

被引：452

作者：

Prochnik, Simon E. ^{[2
]}

Umen, James ^{[1
]}

Nedelcu, Aurora M. ^{[3
]}

Hallmann, Armin ^{[4
]}

Miller, Stephen M. ^{[5
]}

Nishii, Ichiro ^{[6
]}

Ferris, Patrick ^{[1
]}

Kuo, Alan ^{[2
]}

Mitros, Therese ^{[7
]}

Fritz-Laylin, Lillian K. ^{[7
]}

Hellsten, Uffe ^{[2
]}

Chapman, Jarrod ^{[2
]}

Simakov, Oleg ^{[8
]}

Rensing, Stefan A. ^{[9
]}

Terry, Astrid ^{[2
]}

Pangilinan, Jasmyn ^{[2
]}

Kapitonov, Vladimir ^{[10
]}

Jurka, Jerzy ^{[10
]}

Salamov, Asaf ^{[2
]}

Shapiro, Harris ^{[2
]}

Schmutz, Jeremy ^{[11
]}

Grimwood, Jane ^{[11
]}

Lindquist, Erika ^{[2
]}

Lucas, Susan ^{[2
]}

Grigoriev, Igor V. ^{[2
]}

Schmitt, Ruediger ^{[12
]}

Kirk, David ^{[13
]}

Rokhsar, Daniel S. ^{[2
,7
]}

机构：

[1] Salk Inst Biol Studies, La Jolla, CA 92037 USA

[2] US DOE, Joint Genome Inst, Walnut Creek, CA 94598 USA

[3] Univ New Brunswick, Dept Biol, Fredericton, NB E3B 5A3, Canada

[4] Univ Bielefeld, Dept Cellular & Dev Biol Plants, D-33615 Bielefeld, Germany

[5] Univ Maryland Baltimore Cty, Dept Biol Sci, Baltimore, MD 21250 USA

[6] Nara Womens Univ, Nara 6308506, Japan

[7] Univ Calif Berkeley, Dept Mol & Cell Biol, Ctr Integrat Genom, Berkeley, CA 94720 USA

[8] European Mol Biol Lab, D-69117 Heidelberg, Germany

[9] Univ Freiburg, Fac Biol, D-79104 Freiburg, Germany

[10] Genet Informat Res Inst, Mountain View, CA 94043 USA

[11] HudsonAlpha Inst Biotechnol, Huntsville, AL 35806 USA

[12] Univ Regensburg, Dept Genet, D-93040 Regensburg, Germany

[13] Washington Univ, Dept Biol, St Louis, MO 63130 USA

来源：

SCIENCE | 2010年 / 329卷 / 5988期

基金：

日本学术振兴会; 加拿大自然科学与工程研究理事会;

关键词：

CYTOPLASMIC BRIDGE SYSTEM; CHLAMYDOMONAS-REINHARDTII; EXTRACELLULAR-MATRIX; EVOLUTION; DIVISION; MORPHOGENESIS; EUKARYOTES; REVEALS; PROTEIN; ORIGIN;

D O I：

10.1126/science.1188800

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The multicellular green alga Volvox carteri and its morphologically diverse close relatives (the volvocine algae) are well suited for the investigation of the evolution of multicellularity and development. We sequenced the 138-mega-base pair genome of V. carteri and compared its similar to 14,500 predicted proteins to those of its unicellular relative Chlamydomonas reinhardtii. Despite fundamental differences in organismal complexity and life history, the two species have similar protein-coding potentials and few species-specific protein-coding gene predictions. Volvox is enriched in volvocine-algal-specific proteins, including those associated with an expanded and highly compartmentalized extracellular matrix. Our analysis shows that increases in organismal complexity can be associated with modifications of lineage-specific proteins rather than large-scale invention of protein-coding capacity.

引用

页码：223 / 226

页数：4

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