Nucleic acid nanotechnology

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Diamond-like Photonic Crystals by Holographic Lithography

Institute of Electrical and Electronics Engineers (IEEE) (2001) 13
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Photonic crystals made by holographic lithography

MRS Bulletin 26:8 (2001) 632-636
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Holographic definition of photonic crystal structures.

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 221 (2001) U245-U245

Authors:

RG Denning, CF Blanford, DN Sharp, AJ Turberfield
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Photonic crystals made by holographic lithography

MRS BULLETIN 26:8 (2001) 632-636
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Role of Bacillus subtilis SpoIIIE in DNA transport across the mother cell-prespore division septum.

Science 290:5493 (2000) 995-997

Authors:

J Bath, LJ Wu, J Errington, JC Wang

Abstract:

The SpoIIIE protein of Bacillus subtilis is required for chromosome segregation during spore formation. The COOH-terminal cytoplasmic part of SpoIIIE was shown to be a DNA-dependent adenosine triphosphatase (ATPase) capable of tracking along DNA in the presence of ATP, and the NH(2)-terminal part of the protein was found to mediate its localization to the division septum. Thus, during sporulation, SpoIIIE appears to act as a DNA pump that actively moves one of the replicated pair of chromosomes into the prespore. The presence of SpoIIIE homologs in a broad range of bacteria suggests that this mechanism for active transport of DNA may be widespread.
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