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  • Humans  (2)
  • Saccharomyces cerevisiae  (2)
  • Surface physics, nanoscale physics, low-dimensional systems  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Current genetics 25 (1994), S. 291-298 
    ISSN: 1432-0983
    Keywords: Cytochrome c 1 ; Cytochrome c 1 heme lyase ; GRF2p ; Glucose repression ; HAPp ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In this paper we examine the expression of the Saccharomyces cerevisiae CYT2 gene, which encodes cytochrome c 1 heme lyase. This enzyme is required for covalent attachment of heme to apocytochrome c 1, a subunit of the mitochondrial respiratory chain. Transcription of the 1-kb CYT2 mRNA initiates at four prominent sites at a distance of 52–225 bp in front of the AUG start codon. The level of CYT2 mRNA is not influenced by the presence or absence of oxygen or of heme, but it is subject to carbonsource control. The concentration of the CYT2 mRNA is significantly reduced in glucose-grown cells as compared to cells grown under non-repressing conditions. Neither the HAPp activator proteins nor MIG1p, a repressor protein involved in glucose repression, seem to mediate this effect.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1617-4623
    Keywords: Saccharomyces cerevisiae ; Cytochrome c 1 ; Promoter dissection ; HAP1, HAP2 transcription factors ; Centromere and promoter-binding factor (CPF1)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The nuclear gene for cytochrome c 1 in Saccharomyces cerevisiae (CYT1) was localized on chromosome XV. Its upstream region was identified by functional complementation. Fusion to the lacZ reporter gene on a CEN plasmid allowed study of the effect of carbon sources and of specific deletion mutations on expression of the gene in yeast transformants. Detailed promoter analysis combined with expression studies in recipient strains defective in regulatory genes identified cis-acting sites and transcription factors involved in the regulated expression of the cytochrome c 1 gene. These analyses showed that, in the presence of glucose, transcription of CYT1 is positively controlled by oxygen, presumably through the haem signal, and mediated by the HAP1-encoded transactivator. It is additionally regulated by the HAP2/3/4 complex which mediates gene activation mainly under glucose-free conditions. Basal transcription is, in part, effected by CPF1, a centromere and promoter-binding factor.
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  • 3
    Publication Date: 2016-01-23
    Description: Author(s): Klaus Zollner, Tobias Frank, Susanne Irmer, Martin Gmitra, Denis Kochan, and Jaroslav Fabian We present first-principles calculations of the electronic band structure and spin-orbit effects in graphene functionalized with methyl molecules in dense and dilute limits. The dense limit is represented by a 2 × 2 graphene supercell functionalized with one methyl admolecule. The calculated spin-orbi… [Phys. Rev. B 93, 045423] Published Fri Jan 22, 2016
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 4
    Publication Date: 2002-04-16
    Description: Although humans and their closest evolutionary relatives, the chimpanzees, are 98.7% identical in their genomic DNA sequences, they differ in many morphological, behavioral, and cognitive aspects. The underlying genetic basis of many of these differences may be altered gene expression. We have compared the transcriptome in blood leukocytes, liver, and brain of humans, chimpanzees, orangutans, and macaques using microarrays, as well as protein expression patterns of humans and chimpanzees using two-dimensional gel electrophoresis. We also studied three mouse species that are approximately as related to each other as are humans, chimpanzees, and orangutans. We identified species-specific gene expression patterns indicating that changes in protein and gene expression have been particularly pronounced in the human brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enard, Wolfgang -- Khaitovich, Philipp -- Klose, Joachim -- Zollner, Sebastian -- Heissig, Florian -- Giavalisco, Patrick -- Nieselt-Struwe, Kay -- Muchmore, Elaine -- Varki, Ajit -- Ravid, Rivka -- Doxiadis, Gaby M -- Bontrop, Ronald E -- Paabo, Svante -- New York, N.Y. -- Science. 2002 Apr 12;296(5566):340-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institute for Evolutionary Anthropology, Inselstrasse 22, D-04103 Leipzig, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11951044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Brain/*metabolism ; DNA, Complementary ; Female ; *Gene Expression ; Gene Expression Profiling ; Haplorhini/*genetics ; Hominidae/genetics ; Humans ; Leukocytes/*metabolism ; Liver/*metabolism ; Macaca mulatta/genetics ; Male ; Mice ; Muridae/genetics ; Oligonucleotide Array Sequence Analysis ; Organ Specificity ; Pan troglodytes/genetics ; Pongo pygmaeus/genetics ; Proteins/genetics/metabolism ; RNA, Messenger/genetics/metabolism ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2012-05-19
    Description: Rare genetic variants contribute to complex disease risk; however, the abundance of rare variants in human populations remains unknown. We explored this spectrum of variation by sequencing 202 genes encoding drug targets in 14,002 individuals. We find rare variants are abundant (1 every 17 bases) and geographically localized, so that even with large sample sizes, rare variant catalogs will be largely incomplete. We used the observed patterns of variation to estimate population growth parameters, the proportion of variants in a given frequency class that are putatively deleterious, and mutation rates for each gene. We conclude that because of rapid population growth and weak purifying selection, human populations harbor an abundance of rare variants, many of which are deleterious and have relevance to understanding disease risk.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4319976/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4319976/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nelson, Matthew R -- Wegmann, Daniel -- Ehm, Margaret G -- Kessner, Darren -- St Jean, Pamela -- Verzilli, Claudio -- Shen, Judong -- Tang, Zhengzheng -- Bacanu, Silviu-Alin -- Fraser, Dana -- Warren, Liling -- Aponte, Jennifer -- Zawistowski, Matthew -- Liu, Xiao -- Zhang, Hao -- Zhang, Yong -- Li, Jun -- Li, Yun -- Li, Li -- Woollard, Peter -- Topp, Simon -- Hall, Matthew D -- Nangle, Keith -- Wang, Jun -- Abecasis, Goncalo -- Cardon, Lon R -- Zollner, Sebastian -- Whittaker, John C -- Chissoe, Stephanie L -- Novembre, John -- Mooser, Vincent -- T32 HG002536/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2012 Jul 6;337(6090):100-4. doi: 10.1126/science.1217876. Epub 2012 May 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Quantitative Sciences, GlaxoSmithKline (GSK), Research Triangle Park, NC 27709, USA. matthew.r.nelson@gsk.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22604722" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/genetics ; Asian Continental Ancestry Group ; Disease/*genetics ; European Continental Ancestry Group/genetics ; Gene Frequency ; Genetic Association Studies ; Genetic Predisposition to Disease ; *Genetic Variation ; *Genome, Human ; Geography ; High-Throughput Nucleotide Sequencing ; Humans ; Molecular Targeted Therapy ; Multifactorial Inheritance ; Mutation Rate ; Pharmacogenetics ; Phenotype ; Polymorphism, Single Nucleotide ; Population Growth ; Sample Size ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2016-10-25
    Description: Author(s): Klaus Zollner, Martin Gmitra, Tobias Frank, and Jaroslav Fabian Graphene, being essentially a surface, can borrow some properties of an insulating substrate (such as exchange or spin-orbit couplings) while still preserving a great degree of autonomy of its electronic structure. Such derived properties are commonly labeled as proximity. Here we perform systematic… [Phys. Rev. B 94, 155441] Published Mon Oct 24, 2016
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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