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Evolutionary Bioinformatics

Synopsis: An open access, peer reviewed electronic journal that covers computational evolutionary biology and evolutionary bioinformatics.


Indexed by: Pubmed, Pubmed Central, CAS, DOAJ, Embase, Embiology, Science Citation Index Expanded (SciSearch®), Journal Citation Reports/Science Edition, Current Contents®/Agriculture, Biology and Environmental Sciences, Current Contents®/Life Sciences, Google Scholar, EBSCO Academic Search Complete, OAIster.


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Editor in chief:
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ISSN: 1176-9343


 
 
 


Characterization and Evolution of the Cell Cycle-Associated Mob Domain-Containing Proteins in Eukaryotes

Authors: Nicola Vitulo, Alessandro Vezzi, Giulio Galla, Sandra Citterio, Giada Marino, Benedetto Ruperti, Monica Zermiani, Emidio Albertini, Giorgio Valle and Gianni Barcaccia
Publication Date: 08 Aug 2007
Evolutionary Bioinformatics 2007:3 121-158

Nicola Vitulo1, Alessandro Vezzi1, Giulio Galla2, Sandra Citterio3, Giada Marino3, Benedetto Ruperti4, Monica Zermiani4, Emidio Albertini5, Giorgio Valle1 and Gianni Barcaccia2

1Dipartimento di Biologia, University of Padova, Viale G. Colombo 3, 35121, Padova. 2Dipartimento di Agronomia Ambientale e Produzioni Vegetali, University of Padova - Agripolis, Viale dell’Università 16, 35020, Legnaro, Padova, Italy. 3Dipartimento di Scienze dell’Ambiente e del Territorio, University of Milano - Bicocca, Piazza della Scienza 1, 20126, Milano, Italy. 4Dipartimento di Scienze Agrarie e Ambientali, University of Udine, Via delle Scienze 208, 33100, Udine, Italy. 5Dipartimento di Biologia Vegetale e Biotecnologie Agroambientali e Zootecniche, Borgo XX Giugno, 06121, Perugia, Italy.

Abstract: The MOB family includes a group of cell cycle-associated proteins highly conserved throughout eukaryotes, whose founding members are implicated in mitotic exit and co-ordination of cell cycle progression with cell polarity and morphogenesis. Here we report the characterization and evolution of the MOB domain-containing proteins as inferred from the 43 eukaryotic genomes so far sequenced. We show that genes for Mob-like proteins are present in at least 41 of these genomes, confi rming the universal distribution of this protein family and suggesting its prominent biological function. The phylogenetic analysis reveals fi ve distinct MOB domain classes, showing a progressive expansion of this family from unicellular to multicellular organisms, reaching the highest number in mammals. Plant Mob genes appear to have evolved from a single ancestor, most likely after the loss of one or more genes during the early stage of Viridiplantae evolutionary history. Three of the Mob classes are widespread among most of the analyzed organisms. The possible biological and molecular function of Mob proteins and their role in conserved signaling pathways related to cell proliferation, cell death and cell polarity are also presented and critically discussed.



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