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Genome-scale RNAi profiling of cell division in human tissue culture cells.

Abstract：

:Cell division is fundamental for all organisms. Here we report a genome-scale RNA-mediated interference screen in HeLa cells designed to identify human genes that are important for cell division. We have used a library of endoribonuclease-prepared short interfering RNAs for gene silencing and have used DNA content analysis to identify genes that induced cell cycle arrest or altered ploidy on silencing. Validation and secondary assays were performed to generate a nine-parameter loss-of-function phenoprint for each of the genes. These phenotypic signatures allowed the assignment of genes to specific functional classes by combining hierarchical clustering, cross-species analysis and proteomic data mining. We highlight the richness of our dataset by ascribing novel functions to genes in mitosis and cytokinesis. In particular, we identify two evolutionarily conserved transcriptional regulatory networks that govern cytokinesis. Our work provides an experimental framework from which the systematic analysis of novel genes necessary for cell division in human cells can begin.

journal_name

Nat Cell Biol

journal_title

Nature cell biology

authors

Kittler R,Pelletier L,Heninger AK,Slabicki M,Theis M,Miroslaw L,Poser I,Lawo S,Grabner H,Kozak K,Wagner J,Surendranath V,Richter C,Bowen W,Jackson AL,Habermann B,Hyman AA,Buchholz F

doi

10.1038/ncb1659

subject

Has Abstract

pub_date

2007-12-01 00:00:00

pages

1401-12

issue

12

eissn

1465-7392

issn

1476-4679

pii

ncb1659

journal_volume

9

pub_type

杂志文章

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