scholarly journals Self-Diffusion of Entangled Linear and Circular DNA Molecules:  Dependence on Length and Concentration

2007 ◽  
Vol 40 (9) ◽  
pp. 3373-3377 ◽  
Author(s):  
Rae M. Robertson ◽  
Douglas E. Smith
Keyword(s):  
Dna Molecules ◽  
Circular Dna ◽  
Self Diffusion ◽  
Linear And Circular Dna

scholarly journals Single-Molecule Studies of DNA Self-Diffusion in Entangled Blends of Linear and Circular DNA

2012 ◽  
Vol 102 (3) ◽  
pp. 39a
Author(s):  
Cole D. Chapman ◽  
Sachin Shanbhag ◽  
Douglas E. Smith ◽  
Rae M. Robertson-Anderson
Keyword(s):  
Single Molecule ◽  
Circular Dna ◽  
Self Diffusion ◽  
Single Molecule Studies ◽  
Linear And Circular Dna

Characterization of circular DNA molecules from cotton plants with leaf curl disease

2018 ◽  
Vol 51 (1) ◽  
Author(s):  
Sohail Akhtar ◽  
Muhammad Nouman Tahir ◽  
Imran Amin ◽  
Rana Binyamin ◽  
Shahid Mansoor
Keyword(s):  
Dna Molecules ◽  
Circular Dna ◽  
Cotton Plants ◽  
Leaf Curl Disease ◽  
Leaf Curl

Catenated Circular DNA Molecules in HeLa Cell Mitochondria

Nature ◽  
1967 ◽  
Vol 216 (5116) ◽  
pp. 647-652 ◽  
Author(s):  
BRUCE HUDSON ◽  
JEROME VINOGRAD
Keyword(s):  
Hela Cell ◽  
Dna Molecules ◽  
Circular Dna

scholarly journals Amplicon structure in multidrug-resistant murine cells: a nonrearranged region of genomic DNA corresponding to large circular DNA.

1992 ◽  
Vol 12 (3) ◽  
pp. 1179-1187 ◽  
Author(s):  
F Ståhl ◽  
Y Wettergren ◽  
G Levan
Keyword(s):  
Tumor Cell ◽  
Cell Line ◽  
Single Unit ◽  
Parental Cell ◽  
Parental Cell Line ◽  
Mouse Tumor ◽  
Dna Molecules ◽  
Circular Dna ◽  
Double Minutes ◽  
Mdr Genes

Multidrug resistance (MDR) in tumor cell lines is frequently correlated with amplification of one or more mdr genes. Usually the amplified domain also includes several neighboring genes. Using pulsed-field gel electrophoresis, we have established a restriction map covering approximately 2,200 kb in the drug-sensitive mouse tumor cell line TC13K. The mapped region is located on mouse chromosome 5 and includes the three mdr genes, the gene for the calcium-binding sorcin protein, and a gene with unknown function designated class 5. Long-range maps of the amplified DNA sequences in five of six MDR sublines that had been independently derived from TC13K generally displayed the same pattern as did the parental cell line. All six MDR sublines exhibited numerous double minutes, and one of them displayed a homogeneously staining region in a subpopulation. Large circular molecules, most likely identical to one chromatid of the double minutes, were detected in four of the sublines by linearization with gamma irradiation. The size of the circles was about 2,500 kb, which correlated to a single unit of the amplified domain. We therefore propose that in four independent instances of MDR development, a single unit of about 2,500 kb has been amplified in the form of circular DNA molecules. The restriction enzyme map of the amplified unit is unchanged compared with that of the parental cell line, whereas the joining sites of the circular DNA molecules are not identical but are in the same region.

scholarly journals Visualization of circular DNA molecules labeled with colloidal gold spheres using atomic force microscopy

1993 ◽  
Vol 11 (4) ◽  
pp. 820-823 ◽  
Author(s):  
Wen‐Ling Shaiu ◽  
James Vesenka ◽  
Daniel Jondle ◽  
Eric Henderson ◽  
Drena D. Larson
Keyword(s):  
Atomic Force Microscopy ◽  
Colloidal Gold ◽  
Dna Molecules ◽  
Circular Dna ◽  
Force Microscopy ◽  
Atomic Force

Genome Alteration during In Vitro and In Vivo Aging: Amplification of Extrachromosomal Circular DNA Molecules Containing a Chromosomal Sequence of Variable Repeat Frequency

1983 ◽  
Vol 47 (0) ◽  
pp. 1135-1139 ◽  
Author(s):  
R.J. Shmookler Reis ◽  
C.K. Lumpkin ◽  
J.R. McGill ◽  
K.T. Riabowol ◽  
S. Goldstein
Keyword(s):  
Dna Molecules ◽  
Circular Dna ◽  
Genome Alteration ◽  
Chromosomal Sequence

scholarly journals Rapid DNA Fiber Technique for Size Measurements of Linear and Circular DNA Probes

BioTechniques ◽  
2001 ◽  
Vol 31 (2) ◽  
pp. 246-250 ◽  
Author(s):  
O. Henegariu ◽  
L. Grober ◽  
W. Haskins ◽  
P.N. Bowers ◽  
M.W. State ◽  
...  
Keyword(s):  
Dna Probes ◽  
Circular Dna ◽  
Linear And Circular Dna

scholarly journals CIRCULAR DNA MOLECULES ASSOCIATED WITH CHLOROPLASTS OF SPINACH, SPINACIA OLERACEA

1972 ◽  
Vol 53 (2) ◽  
pp. 594-601 ◽  
Author(s):  
Jerry E. Manning ◽  
David R. Wolstenholme ◽  
Oliver C. Richards
Keyword(s):  
Spinacia Oleracea ◽  
Dna Molecules ◽  
Circular Dna

Conformation and Self-Diffusion of Single DNA Molecules Confined to Two Dimensions

1999 ◽  
Vol 82 (9) ◽  
pp. 1911-1914 ◽  
Author(s):  
Berenike Maier ◽  
Joachim O. Rädler
Keyword(s):  
Two Dimensions ◽  
Dna Molecules ◽  
Single Dna Molecules ◽  
Self Diffusion
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