Results 211 to 220 of about 38,542 (252)
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Two chromosomes with multigene families
Theoretical Population Biology, 1991Watterson's formulae for the distribution, mean, and variance of the number of alleles in common on two chromosomes with multigene families are derived as simpler forms, and extended to chromosomes with an infinite number of genes, each evolving as in an infinitely many alleles model.
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Malaria Multigene Families: The Price of Chronicity
Parasitology Today, 2000In this article, Georges Snounou, William Jarra and Peter Preiser discuss the survival strategy of malaria parasites in the light of a novel mechanism of clonal phenotypic variation recently described for a multigene family of Plasmodium yoelii yoelii.
Georges Snounou +2 more
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The α-amylase multigene family
Trends in Plant Science, 1997Many α-amylase genes have been cloned from various cereals, and sequence analysis reveals that these fall into two major classes and three subfamilies. In parallel studies, many α-amylase isoforms have been characterized and their corresponding genes identified.
Kimiko Itoh, Toshiaki Mitsui
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Evolution of the Trappin Multigene Family in the Suidae
Journal of Biochemistry, 1998Trappins are a group of secretory proteins containing a WAP motif with an anchoring domain. Previous studies showed that their genes, especially those of pig, have undergone rapid evolution, which produced trappins with a broad spectrum of actions. To understand the evolution of such a rapidly evolving multigene family, we isolated trappin genes of the
Furutani, Y. +5 more
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The plant multigenic family of thiol peroxidases☆
Free Radical Biology and Medicine, 2005Thiol peroxidases are ubiquitous recently characterized heme-free peroxidases, which catalyze the reduction of peroxynitrites and of various peroxides by catalytic cysteine residues and thiol-containing proteins as reductants. In plants, five different classes can be distinguished, according to the number and the position of conserved catalytic ...
Nicolas Rouhier, Jean-Pierre Jacquot
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Distribution of the number of alleles in multigene families
Journal of Applied Probability, 1992The distribution of the number of alleles in samples from r chromosomes is studied. The stochastic model used includes gene conversion within chromosomes and mutation at loci on the chromosomes. A method is described for simulating the distribution of alleles and an algorithm given for computing lower bounds for the mean number of alleles ...
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The HSP70 multigene family of Caenorhabditis elegans
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 19901. The heat shock response of the nematode Caenorhabditis elegans has been characterized. 2. There are at least nine genes in the hsp70 multigene family of C. elegans. 3. Five of the hsp70 genes have been characterized and assigned to one of at least three hsp70 gene subfamilies.
Mark F.P. Heschl, David L. Baillie
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Structure and evolution of the apolipoprotein multigene family
Journal of Molecular Biology, 1986We present the complementary DNA and deduced amino acid sequence of rat apolipoprotein A-II (apoA-II), and the results of a detailed statistical analysis of the nucleotide and amino acid sequences of all the apolipoprotein gene sequences published to date: namely, those of human and rat apoA-I, apoA-II and apoE, rat apoA-IV, and human apoC-I, C-II and ...
Marsha N. Moore +3 more
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Evolution of the Spiroplasma P58 Multigene Family
Biochemical Genetics, 2007Spiroplasma citri and S. kunkelii are prokaryotic phytopathogens transmitted primarily by leafhopper vectors. S. citri BR3-3X was originally isolated from horseradish plants with brittle root disease (Fletcher et al., 1981). Extensive chromosomal rearrangement was found in one derivative of S.
Robert E. Davis +3 more
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Phylogenetics and Computational Biology of Multigene Families
2007This chapter introduces the study of the major evolutionary forces operating in large gene families. The reconstruction of duplication history and phylogenetic analysis provide an interpretative framework of the evolution of multigene families. We present here two case studies, the first coming from Eukaryotes (chemokine receptors) and the second from ...
P. Liò, M. Brilli, FANI, RENATO
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