The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.
Proteomic Analysis of the Arabidopsis Nucleolus Suggests Novel Nucleolar Functions
Open accessAbstract
The eukaryotic nucleolus is involved in ribosome biogenesis and a wide range of other RNA metabolism and cellular functions. An important step in the functional analysis of the nucleolus is to determine the complement of proteins of this nuclear compartment. Here, we describe the first proteomic analysis of plant (Arabidopsis thaliana) nucleoli, in which we have identified 217 proteins. This allows a direct comparison of the proteomes of an important nuclear structure between two widely divergent species: human and Arabidopsis. The comparison identified many common proteins, plant-specific proteins, proteins of unknown function found in both proteomes, and proteins that were nucleolar in plants but nonnucleolar in human. Seventy-two proteins were expressed as GFP fusions and 87% showed nucleolar or nucleolar-associated localization. In a striking and unexpected finding, we have identified six components of the postsplicing exon-junction complex (EJC) involved in mRNA export and nonsense-mediated decay (NMD)/mRNA surveillance. This association was confirmed by GFP-fusion protein localization. These results raise the possibility that in plants, nucleoli may have additional functions in mRNA export or surveillance.
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Cited by
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Metadata
- Authors
- Pendle, A. F., Clark, G. P., Boon, R., Lewandowska, D., Lam, Y. W., Andersen, J., Mann, M., Lamond, A. I., Brown, J. W. S., & Shaw, P. J.
- Venue
- Molecular Biology of the Cell
- Published
- 2005-01
- Volume
- 16
- Issue
- 1
- Pages
- 260-269
- ISSN
- 1059-1524 (ISSN-L)
- 1939-4586
- OpenAlex
- W2154649087
- Cited by
- 375
- References
- 74
- FWCI
- 7.54
- Type
- journal article
- Language
- en
- Open access
- green
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- Pendle, A. F., Clark, G. P., Boon, R., Lewandowska, D., Lam, Y. W., Andersen, J., Mann, M., Lamond, A. I., Brown, J. W. S., & Shaw, P. J. (2005). Proteomic Analysis of the Arabidopsis Nucleolus Suggests Novel Nucleolar Functions. Molecular Biology of the Cell. https://doi.org/10.1091/mbc.e04-09-0791
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