DNA Molecule as a Spintronic Device

2012 ◽  
Vol 26 (6) ◽  
pp. 2227-2230 ◽  
Author(s):  
J. H. Ojeda ◽  
P. A. Orellana
Keyword(s):  
Spintronic Device ◽  
Dna Molecule

Existence of DNA in yeast microbodies

1978 ◽  
Vol 36 (2) ◽  
pp. 232-233
Author(s):  
Masako Osumi ◽  
Misuzu Nagano ◽  
Hiroko Kazama
Keyword(s):  
Catalase Activity ◽  
Buoyant Density ◽  
Model System ◽  
Contour Length ◽  
Native State ◽  
Normal Alkane ◽  
Remarkable Increase ◽  
Dna Molecule ◽  
Mitochondrial Dnas

We have found that microbodies appeared profusely together with a remarkable increase in catalase activity in normal alkane-grown cells of hydrocarbon-utilizing Candida yeasts, and that the microbodies multiplied by division in these cells. These features of Candida yeasts seem to provide a useful model system for studies on the biogenesis of the microbody. Subsequently, we have succeeded in isolation of Candida microbodies in an apparently native state, as judged biochemically and morphologically. The presence of DNA in the purified microbody fraction thus obtained was proved by the diphenylamine method. DNA molecule of about 15 urn in contour length was released from an isolated microbody. The physicochemical analyses of the microbody DNA revealed that its buoyant density differed from nuclear and mitochondrial DNAs. All these results lead us to the possibility that there is a novel type of DNA in microbodies.

Electron microscopic assays of restriction endonuclease cutting, exonuclease digestion, and hybridization

1984 ◽  
Vol 42 ◽  
pp. 686-687
Author(s):  
Mark Hannibal ◽  
Jacob Varkey ◽  
Michael Beer
Keyword(s):  
Electron Microscope ◽  
Low Temperature ◽  
Restriction Endonuclease ◽  
Double Helix ◽  
Test Material ◽  
Electron Microscopic ◽  
Exonuclease Iii ◽  
Dna Molecule ◽  
Linear Molecules ◽  
Exonuclease Digestion

Workman and Langmore have recently proposed a procedure for isolating particular chromatin fragments. The method requires restriction endonuclease cutting of the chromatin and a probe, their digestion with two exonucleases which leave complimentary single strand termini and low temperature hybridization of these. We here report simple electron microscopic monitoring of the four reactions involved.Our test material was ϕX-174 RF DNA which is cut once by restriction endonuclease Xho I. The conversion of circles to linear molecules was followed in Kleinschmidt spreads. Plate I shows a circular and a linear DNA molecule. The rate of cutting is shown in Figure 1.After completion of the endonuclease cutting, one portion of the DNA was treated with exonuclease III, an enzyme known to digest the 3' terminals of double helical DNA. Aliquots when examined in the electron microscope reveal a decreasing length of double helix and increasing bushes at the ends.

Electron Microscopy of Bacteriophage T7 Internal Head Proteins

1975 ◽  
Vol 33 ◽  
pp. 638-639
Author(s):  
P. Serwer
Keyword(s):  
Electron Microscopy ◽  
Bacteriophage T7 ◽  
Specimen Preparation ◽  
Dna Molecule ◽  
The Core ◽  
Internal Core ◽  
Phage T7 ◽  
T7 Phage ◽  
Preparation Techniques ◽  
Internal Head

The genome of bacteriophage T7 is a duplex DNA molecule packaged in a space whose volume has been measured to be 2.2 x the volume of the B form of T7 DNA. To help determine the mechanism for packaging this DNA, the configuration of proteins inside the phage head has been investigated by electron microscopy. A core which is roughly cylindrical in outline has been observed inside the head of phage T7 using three different specimen preparation techniques.When T7 phage are treated with glutaraldehyde, DNA is ejected from the head often revealing an internal core (dark arrows in Fig. 1). When both the core and tail are present in a particle, the core appears to be coaxial with the tail. Core-tail complexes sometimes dislodge from their normal location and appear attached to the outside of a phage head (light arrow in Fig. 1).

Recoiling DNA molecule: simulation and experiment

2005 ◽  
Vol 345 (1-2) ◽  
pp. 173-184 ◽  
Author(s):  
J NETO ◽  
R DICKMAN ◽  
O MESQUITA
Keyword(s):  
Dna Molecule ◽  
Simulation And Experiment

scholarly journals EVENTS OCCURRING AT THE SITE OF INTEGRATION OF A DNA MOLECULE IN BACILLUS SUBTILIS TRANSFORMATION

Genetics ◽  
1968 ◽  
Vol 60 (4) ◽  
pp. 681-684
Author(s):  
Andrew J Darlington ◽  
Walter F Bodmer
Keyword(s):  
Bacillus Subtilis ◽  
Dna Molecule

An electrically switchable anti-ferroelectric bilayer In2Se3 based opto-spintronic device

Nanoscale ◽  
2021 ◽  
Author(s):  
Yaqing Yang ◽  
Liwen Zhang ◽  
Jun Chen ◽  
Xiaohong Zheng ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Photogalvanic Effect ◽  
Spintronic Device

The spin dependent photocurrent can be generated via the photogalvanic effect and largely tuned in an anti-ferroelectric bilayer In2Se3 based opto-spintronic device.

The elastic theory of a single DNA molecule

Pramana ◽  
2003 ◽  
Vol 61 (2) ◽  
pp. 353-360
Author(s):  
Haijun Zhou ◽  
Yang Zhang ◽  
Zhang-Can Ou-Yang
Keyword(s):  
Elastic Theory ◽  
Dna Molecule ◽  
Single Dna Molecule

Stacking Interaction in DNA Molecule

2010 ◽  
Vol 7 (10) ◽  
pp. 2031-2035 ◽  
Author(s):  
S. Zdravković ◽  
M. V. Satarić
Keyword(s):  
Stacking Interaction ◽  
Dna Molecule
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