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Literature DB >> 17248631

DNA from Maize with and without B Chromosomes: A Comparative Study.

Abstract

DNA preparations from 5B and 0B maize seedlings are indistinguishable in their buoyant density distribution in CsCl gradients. Their renaturation kinetics are identical at several stringency criteria. DNA competition studies fail to detect any component in 5B DNA redundant sequences which is lacking in 0B DNA. Homologous and heterologous duplexes formed between 5B and 0B DNA have virtually identical melting profiles. The DNA of B chromosomes is concluded to be very closely related to that of A chromosomes.

Entities: Chemical Species

Year: 1973 PMID： 17248631 PMCID： PMC1212976

Source DB: PubMed Journal: Genetics ISSN： 0016-6731 Impact factor: 4.562

2 in total

1. Related base sequences in the DNA of simple and complex organisms. I. DNA-DNA duplex formation and the incidence of partially related base sequences in DNA.

Authors: B J McCarthy; B L McConaughy
Journal: Biochem Genet Date: 1968-06 Impact factor: 1.890

2. Hybridization of ribonucleic acid with unique sequences of mouse deoxyribonucleic acid.

Authors: L Grouse; M D Chilton; B J McCarthy
Journal: Biochemistry Date: 1972-02-29 Impact factor: 3.162

2 in total

13 in total

10. The distribution of repetitive DNAs between regular and supernumerary chromosomes in species of Glossina (Tsetse): a two-step process in the origin of supernumeraries.

Authors: A Amos; G Dover
Journal: Chromosoma Date: 1981 Impact factor: 4.316

DNA from Maize with and without B Chromosomes: A Comparative Study.

1. Related base sequences in the DNA of simple and complex organisms. I. DNA-DNA duplex formation and the incidence of partially related base sequences in DNA.

2. Hybridization of ribonucleic acid with unique sequences of mouse deoxyribonucleic acid.

1. The DNAs of the A and B chromosomes of the mealy bug, Pseudococcus obscurus.

2. Cytomolecular characterization and origin of de novo formed maize B chromosome variants.

3. Characterization of satellite CentC repeats from heterochromatic regions on the long arm of maize B-chromosome.

4. Molecular analysis of the structure of the maize B-chromosome.

5. Nature of the heterogeneity in mispairing of reannealed middle-repetitive fern DNA.

6. Characterization of maize B-chromosome-related transcripts isolated via cDNA-AFLP.

7. Characterization of four B-chromosome-specific RAPDs and the development of SCAR markers on the maize B-chromosome.

8. The Giemsa C-banded karyotype of rye.

9. Novel B-chromosome-specific transcriptionally active sequences are present throughout the maize B chromosome.

10. The distribution of repetitive DNAs between regular and supernumerary chromosomes in species of Glossina (Tsetse): a two-step process in the origin of supernumeraries.