Article (Scientific journals)
Emergence of the ZNF91 Kruppel-associated box-containing zinc finger gene family in the last common ancestor of anthropoidea
Bellefroid, Eric J.; Marine, Jean-Christophe; Matera, A Gregory et al.
1995In Proceedings of the National Academy of Sciences of the United States of America, 92 (23), p. 10757-61
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Keywords :
Amino Acid Sequence; Animals; Base Sequence; Chromosome Mapping; Chromosomes, Human, Pair 19/genetics; Cloning, Molecular; Conserved Sequence; *Evolution; Haplorhini/*genetics; Humans; In Situ Hybridization, Fluorescence; Molecular Sequence Data; *Multigene Family; Protein Binding; Rodentia/genetics; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Zinc Fingers/*genetics
Abstract :
[en] The ZNF91 gene family, a subset of the Kruppel-associated box (KRAB)-containing group of zinc finger genes, comprises more than 40 loci; most reside on human chromosome 19p12-p13.1. We have examined the emergence and evolutionary conservation of the ZNF91 family. ZNF91 family members were detected in all species of great apes, gibbons, Old World monkeys, and New World monkeys examined but were not found in prosimians or rodents. In each species containing the ZNF91 family, the genes were clustered at one major site, on the chromosome(s) syntenic to human chromosome 19. To identify a putative "founder" gene, > 20 murine KRAB-containing zinc finger protein (ZFP) cDNAs were randomly cloned, but none showed sequence similarity to the ZNF91 genes. These observations suggest that the ZNF91 gene cluster is a derived character specific to Anthropoidea, resulting from a duplication and amplification event some 55 million years ago in the common ancestor of simians. Although the ZNF91 gene cluster is present in all simian species, the sequences of the human ZNF91 gene that confer DNA-binding specificity were conserved only in great apes, suggesting that there is not a high selective pressure to maintain the DNA targets of these proteins during evolution.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Bellefroid, Eric J.;  Yale University School of Medicine
Marine, Jean-Christophe;  Université de Liège - ULiège
Matera, A Gregory;  Yale University School of Medicine
Bourguignon, Catherine;  Yale University School of Medicine
Desai, Trushna;  Yale University School of Medicine
Healy, Kim Coleman;  Yale University School of Medicine
Bray-Ward, Patricia;  Yale University School of Medicine
Martial, Joseph ;  Université de Liège - ULiège > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire
Ihle, James N;  St. Jude Children's Research Hospital
Ward, David C;  Yale University School of Medicine
Language :
English
Title :
Emergence of the ZNF91 Kruppel-associated box-containing zinc finger gene family in the last common ancestor of anthropoidea
Publication date :
1995
Journal title :
Proceedings of the National Academy of Sciences of the United States of America
ISSN :
0027-8424
eISSN :
1091-6490
Publisher :
National Academy of Sciences, Washington, United States - District of Columbia
Volume :
92
Issue :
23
Pages :
10757-61
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 December 2009

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