Download Extrachromosomal DNA by Donald J. Cummings PDF

By Donald J. Cummings

Show description

Read or Download Extrachromosomal DNA PDF

Best nonfiction_10 books

Fundamental Fault in Hypertension

The elemental fault in high blood pressure is unknown. Calling it a basic fault, certainly, tacitly begs the query: Is there one primary fault, or are there numerous which are interlinked or interdependent? an easy sure or no solution can't be provided. This quantity isn't designed to survey the updated fresh advances in learn on high blood pressure, nor meant to supply provisional an­ swers to the such a lot of unknowns during this subject.

Comprehensive Teacher Induction: Systems for Early Career Learning

This ebook offers a close exam of the way platforms positioned inside 5 nations form the early occupation studying of starting academics. It describes, discusses and analyzes accomplished instructor induction came upon inside France, Japan, New Zealand, Shanghai and Switzerland. We seek advice from the phenomena we saw as induction ‘systems’ simply because they're am- tious, great and validated: all starting lecturers in those numerous locales are served; there are not any unfunded mandates; those platforms were in position for 10–25 years.

Soil and Water Quality at Different Scales: Proceedings of the Workshop “Soil and Water Quality at Different Scales” held 7–9 August 1996, Wageningen, The Netherlands

Built-in reviews at the overview and development of soil and water caliber need to deal virtually necessarily with problems with scale, because the spatial help of measurements, the version calculations and the presentation of effects frequently fluctuate. This e-book comprises the chosen and edited lawsuits of a workshop dedicated to problems with scale entitled: `Soil and Water caliber at assorted Scales', which used to be held in 1996 in Wageningen.

Deformation of Ceramic Materials II

This quantity "Deformation of Ceramic fabrics II" constitutes the court cases of a global symposium held on the Pennsyl­ vania nation collage, collage Park, PA on July 20, 21, and 22, 1983. It contains stories of semiconductors and minerals that are heavily with regards to ceramic fabrics.

Additional resources for Extrachromosomal DNA

Example text

Essentially the same results for species 1 and 4 were obtained using 32p. labelled species 4 mt DNA as probe (Figure 10). Here EcoRI fragments El, E2 and E3 of species 1 were homologous, with only trace amounts detectable in the other fragments. Similarly for species 5, where El, 2 and 4 contained the main homologous bands. For species 7, the only fragments which showed a high degree of homology to species 4 were E2, and E5, the rRNA genes. El also showed homology but to a lesser extent. p EXTRACHROMOSOMAL DNA 47 Figure 10.

We have observed recently a new fragment for species 7 dimers after digestion with Sail. For both species 4 and 5, a new band appears in EcoRI dimer digests at about 5x10^ dalton molecular weight, without any apparent loss of a fragment. This fragment is twice the molecular weight of E3 from species 4 and E4 from species 5. Comparing dimer to monomer digests, there is an apparent decrease in the intensity of these two fragments suggesting that two fragments are comigrating. In fact, as we will see, 42 3.

Except for yeast ( 9 ) and recently, Tetrahymena ( 1 0 ) these genes are close together on the mt genome. Biologically, the function and biogenesis of Paramecium mitochondria has been studied using microinjection techniques. Knowles ( 8 ) and Beale and Knowles ( 4 ) isolated antibiotic resistant mitochondria from different species and injected them into homologous and heterologous cells sensitive to the antibiotic. They were able to show that mitochondria from species 1 and 5 were essentially interchangeable, but that while species 1 and 5 mitochondria could function in species 7, the reciprocal "cross" was not allowed.

Download PDF sample

Rated 4.75 of 5 – based on 18 votes