Results 271 to 280 of about 8,047,140 (326)

The origins and molecular evolution of sperm

open access: yes
Matte A   +3 more
europepmc   +1 more source

The Molecular Evolution of Trypanosomes

Parasitology Today, 1999
The absence of a fossil record has meant that the evolution of protozoa has remained largely a matter for speculation. Recent advances in molecular biology and phylogenetic analysis, however, are allowing the 'history written in the genes' to be interpreted. Here, Jamie Stevens and Wendy Gibson review progress in reconstruction of trypanosome phylogeny
Stevens, JR, Gibson, WC
openaire   +2 more sources

Directed Molecular Evolution

Origins of life and evolution of the biosphere, 1999
We propose the existence of a relationship of stereochemical complementarity between gene sequences that code for interacting components: nucleic acid-nucleic acid, protein-protein and protein-nucleic acid. Such a relationship would impose evolutionary constraints on the DNA sequences themselves, thus retaining these sequences and governing the ...
L F, Harris   +2 more
openaire   +2 more sources

Molecular Evolution of Adenoviruses

2003
New advances in the field of genetic characterization of adenoviruses originating from different animal species are summarized. Variations seen in the host range and specificity, pathogenicity, genomic arrangement or gene complement are much wider than expected based on previous studies of human adenoviruses.
M, Benkö, B, Harrach
openaire   +2 more sources

On the rate of molecular evolution

Journal of Molecular Evolution, 1971
There are at least two outstanding features that characterize the rate of evolution at the molecular level as compared with that at the phenotypic level. They are; (1) remarkable uniformity for each molecule, and (2) very high overall rate when extrapolated to the whole DNA content.
M, Kimura, T, Ota
openaire   +2 more sources

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