Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species

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Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species. / Nielsen, Henrik; Simon, E M; Engberg, J.

In: The Journal of protozoology, Vol. 32, No. 3, 1985, p. 480-5.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Nielsen, H, Simon, EM & Engberg, J 1985, 'Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species', The Journal of protozoology, vol. 32, no. 3, pp. 480-5.

APA

Nielsen, H., Simon, E. M., & Engberg, J. (1985). Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species. The Journal of protozoology, 32(3), 480-5.

Vancouver

Nielsen H, Simon EM, Engberg J. Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species. The Journal of protozoology. 1985;32(3):480-5.

Author

Nielsen, Henrik ; Simon, E M ; Engberg, J. / Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species. In: The Journal of protozoology. 1985 ; Vol. 32, No. 3. pp. 480-5.

Bibtex

@article{236f5800a68e11debc73000ea68e967b,
title = "Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species",
abstract = "The extrachromosomal rDNA molecules from a number of Tetrahymena strains were characterized by restriction enzyme mapping using three different restriction enzymes combined with gel blotting and hybridization analysis. Strains from four out of six recently described species were found to contain an intron in the 26s rRNA coding region. The evolutionary relationship among the species of the T. pyriformis complex was examined on the basis of the rDNA maps with emphasis on similarities between two of the new species and the widely studied T. thermophila and T. pigmentosa. Examination of a large number of T. pigmentosa strains showed this species to exhibit an unusual polymorphism with respect to its rDNA. It is suggested that recombinational cross-over events play a role in the formation of new rDNA alleles in this species.",
author = "Henrik Nielsen and Simon, {E M} and J Engberg",
note = "Keywords: Alleles; Animals; Base Sequence; DNA; DNA Restriction Enzymes; Deoxyribonuclease BamHI; Deoxyribonuclease EcoRI; Deoxyribonuclease HindIII; Evolution; Nucleic Acid Hybridization; RNA, Ribosomal; Recombination, Genetic; Species Specificity; Tetrahymena",
year = "1985",
language = "English",
volume = "32",
pages = "480--5",
journal = "Journal of Protozoology",
issn = "0022-3921",
publisher = "Society of Protozoologists",
number = "3",

}

RIS

TY - JOUR

T1 - Updating rDNA restriction enzyme maps of Tetrahymena reveals four new intron-containing species

AU - Nielsen, Henrik

AU - Simon, E M

AU - Engberg, J

N1 - Keywords: Alleles; Animals; Base Sequence; DNA; DNA Restriction Enzymes; Deoxyribonuclease BamHI; Deoxyribonuclease EcoRI; Deoxyribonuclease HindIII; Evolution; Nucleic Acid Hybridization; RNA, Ribosomal; Recombination, Genetic; Species Specificity; Tetrahymena

PY - 1985

Y1 - 1985

N2 - The extrachromosomal rDNA molecules from a number of Tetrahymena strains were characterized by restriction enzyme mapping using three different restriction enzymes combined with gel blotting and hybridization analysis. Strains from four out of six recently described species were found to contain an intron in the 26s rRNA coding region. The evolutionary relationship among the species of the T. pyriformis complex was examined on the basis of the rDNA maps with emphasis on similarities between two of the new species and the widely studied T. thermophila and T. pigmentosa. Examination of a large number of T. pigmentosa strains showed this species to exhibit an unusual polymorphism with respect to its rDNA. It is suggested that recombinational cross-over events play a role in the formation of new rDNA alleles in this species.

AB - The extrachromosomal rDNA molecules from a number of Tetrahymena strains were characterized by restriction enzyme mapping using three different restriction enzymes combined with gel blotting and hybridization analysis. Strains from four out of six recently described species were found to contain an intron in the 26s rRNA coding region. The evolutionary relationship among the species of the T. pyriformis complex was examined on the basis of the rDNA maps with emphasis on similarities between two of the new species and the widely studied T. thermophila and T. pigmentosa. Examination of a large number of T. pigmentosa strains showed this species to exhibit an unusual polymorphism with respect to its rDNA. It is suggested that recombinational cross-over events play a role in the formation of new rDNA alleles in this species.

M3 - Journal article

C2 - 2995652

VL - 32

SP - 480

EP - 485

JO - Journal of Protozoology

JF - Journal of Protozoology

SN - 0022-3921

IS - 3

ER -

ID: 14585498