Institution
Children's Hospital Oakland Research Institute
About: Children's Hospital Oakland Research Institute is a based out in . It is known for research contribution in the topics: Population & Human leukocyte antigen. The organization has 1568 authors who have published 2480 publications receiving 203418 citations.
Topics: Population, Human leukocyte antigen, Haplotype, Gene, Cholesterol
Papers published on a yearly basis
Papers
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TL;DR: Investigation of allele-level variation for the B haplotype locus KIR 2DL2 showed that two alleles, *001 and *003, predominate in all populations in this study.
Abstract: The killer immunoglobulin-like receptor (KIR) anthropology component of the 15th International Histocompatibility Workshop (IHIWS) sought to explore worldwide population variation in the KIR loci, and to examine the relationship between KIR genes and their human leukocyte antigen (HLA) ligands. Fifteen laboratories submitted KIR genotype and HLA ligand data in 27 populations from six broad ethnic groups. Data were analyzed for correlations between the frequencies of KIR and their known HLA ligands. In addition, allelic typing was performed for KIR2DL2 and 3DL1 in a subset of populations. Strong and significant correlations were observed between KIR2DL2, 2DL3 genotype frequencies and the frequency of their ligand, HLA-C1. In contrast, only weak associations were seen for 3DL1, 3DS1 and the HLA-Bw4 ligand. Although some aspects of the correlations observed here differ from those reported in other populations, these data provide additional evidence of linked evolutionary histories for some KIR and HLA loci. Investigation of allele-level variation for the B haplotype locus KIR 2DL2 showed that two alleles, *001 and *003, predominate in all populations in this study. Much more allelic variation was observed for the A haplotype locus 3DL1, with several alleles observed at moderate frequencies and extensive variation observed between populations.
59 citations
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TL;DR: Results indicate that Arg-606 plays an important role in the binding of malonyl moieties to the transacylase domain but is not required for binding of acetyl moieties; these results are consistent with a mechanism whereby interaction between the positively charged guanidinium group ofArg-606 and the free carboxylate anion of the malonyL moiety serves to position this substrate in the active site of the enzyme.
59 citations
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TL;DR: It is shown that a gene-desert region at 13q21 of approximately 3.9 Mb in size possesses an inherent potential to form evolutionarily new centromeres over, at least, approximately 95 million years of mammalian evolution.
Abstract: Background: Evolutionary centromere repositioning and human analphoid neocentromeres occurring in clinical cases are, very likely, two stages of the same phenomenon whose properties still remain substantially obscure. Chromosome 13 is the chromosome with the highest number of neocentromeres. We reconstructed the mammalian evolutionary history of this chromosome and characterized two human neocentromeres at 13q21, in search of information that could improve our understanding of the relationship between evolutionarily new centromeres, inactivated centromeres, and clinical neocentromeres. Results: Chromosome 13 evolution was studied, using FISH experiments, across several diverse superordinal phylogenetic clades spanning >100 million years of evolution. The analysis revealed exceptional conservation among primates (hominoids, Old World monkeys, and New World monkeys), Carnivora (cat), Perissodactyla (horse), and Cetartiodactyla (pig). In contrast, the centromeres in both Old World monkeys and pig have apparently repositioned independently to a central location (13q21). We compared these results to the positions of two human 13q21 neocentromeres using chromatin immunoprecipitation and genomic microarrays. Conclusion: We show that a gene-desert region at 13q21 of approximately 3.9 Mb in size possesses an inherent potential to form evolutionarily new centromeres over, at least, approximately 95 million years of mammalian evolution. The striking absence of genes may represent an important property, making the region tolerant to the extensive pericentromeric reshuffling during subsequent evolution. Comparison of the pericentromeric organization of chromosome 13 in four Old World monkey species revealed many differences in sequence organization. The region contains clusters of duplicons showing peculiar features.
59 citations
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TL;DR: The results suggest that structural features of the HIV-1 envelope linked to CCR5 tropism could confer a selective advantage in vivo.
59 citations
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TL;DR: Evolutionary studies suggest that hyaluronate lyases evolved from chondroitin lyases and still retained chondDetroitin/chondroit in sulfate degradation abilities while being specialized in the degradation of hyAluronan.
59 citations
Authors
Showing all 1568 results
Name | H-index | Papers | Citations |
---|---|---|---|
Frank B. Hu | 250 | 1675 | 253464 |
Bruce M. Psaty | 181 | 1205 | 138244 |
Bruce N. Ames | 158 | 506 | 129010 |
Rino Rappuoli | 132 | 816 | 64660 |
Robert S. Schwartz | 130 | 923 | 62624 |
Carlos López-Otín | 126 | 494 | 83933 |
Ronald M. Krauss | 120 | 438 | 77969 |
Robert S. Stern | 120 | 761 | 62834 |
Joan S. Brugge | 115 | 286 | 47965 |
Ewan Birney | 114 | 308 | 125382 |
Keith M. Sullivan | 105 | 447 | 39067 |
Bo Lönnerdal | 99 | 674 | 36297 |
Dennis E. Discher | 98 | 372 | 60060 |
Richard Reinhardt | 94 | 370 | 58076 |
Henry A. Erlich | 93 | 354 | 40295 |