This item requires a subscription to Proceedings of the National Academy of Sciences.
To view this item, select one of the options below:
Sign In
Purchase Short-Term Access
- Purchase this Article - You may access this article (from the computer you are currently using) for 2 days for US$10.00.
- Purchase Site Access - You may access all content in Proceedings of the National Academy of Sciences (from the computer you are currently using) for 7 days for US$25.00.
- Regain Access - You can regain access to a recent Purchase this Article or Purchase Site Access purchase if your access period has not yet expired.
Sign Up
- Subscribe to the Journal - Subscribe to the print and/or online journal.
This Article
-
PNAS November 24, 2009 vol. 106 no. 47 19992-19997
- AbstractFree
- Figures Only
- » Full Text
- Full Text (PDF)
- Supporting Information
Readers Also Viewed
Classifications
-
- Biological Sciences
Services
Citing Articles
Google Scholar
Related Content
Most
-
Popular
-
Read
- An Extension of the Concept of Inertial Frame and of Lorentz Transformation
- The most influential journals: Impact Factor and Eigenfactor
- Structural diversity of self-cleaving ribozymes
- Conjugation of Three Animals in Paramecium bursaria
- From the Cover: Tipping Elements in Earth Systems Special Feature: Tipping elements in the Earth System
-
Cited
- DNA Sequencing with Chain-Terminating Inhibitors
- Electrophoretic Transfer of Proteins from Polyacrylamide Gels to Nitrocellulose Sheets: Procedure and Some Applications
- Cluster analysis and display of genome-wide expression patterns
- Significance analysis of microarrays applied to the ionizing radiation response
- One-step inactivation of chromosomal genes in Escherichia coli K-12 using PCR products