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  • 1
    Digitale Medien
    Digitale Medien
    High molecular weight deoxyribonucleic acid polymerase from crown gall tumor cells of periwinkle (Vinca rosea) (1976)
    s.l. : American Chemical Society
    Biochemistry 15 (1976), S. 688-697 
    Details
    ISSN: 1520-4995
    Quelle: ACS Legacy Archives
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/bi00648a037
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    The Mouse Pink-Eyed Dilution Gene: Association with Hypopigmentation in Prader-Willi and Angelman Syndromes and with Human OCA2 (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Periodontology 2000 7 (1994), S. 0 
    Details
    ISSN: 1600-0757
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Mutations at the mouse pink-eyed dilution locus, p, cause hypopigmentation. We have cloned the mouse p gene cDNA and the cDNA of its human counterpart, P. The region of mouse chromosome 7 containing the p locus is syntenic with human chromosome 15q11-q13, a region associated with Prader-Willi syndrome (PWS) and Angelman syndrome (AS), both of which involve profound imprinting effects. PWS patients lack sequences of paternal origin from 15q, whereas AS patients lack a maternal copy of an essential region from 15q. However, the critical regions for these syndromes are much smaller than the chromosomal region commonly deleted that often includes the P gene. Hypopigmentation in PWS and AS patients is correlated with deletions of one copy of the human P gene that is highly homologous with its mouse counterpart. A subset of PWS and AS patients also have OCA2. These patients lack one copy of the P gene in the context of a PWS or AS deletion, with a mutation in the remaining chromosomal homologue of the P gene. Mutations in both homologues of the P gene of OCA2 patients who do not have PWS or AS have also been detected.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1600-0749.1994.tb00068.x
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  • 3
    Digitale Medien
    Digitale Medien
    A cluster of three GABA A receptor subunit genes is deleted in a neurological mutant of the mouse p locus (1993)
    [s.l.] : Nature Publishing Group
    Nature 364 (1993), S. 448-450 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] GABAA receptors, which mediate the majority of inhibitory synapses in brain, are ligand-gated ion channels composed of subunits encoded by a gene family of at least 15 members10.GABAA receptor subunit genes, /?3 and a5, have been mapped to human chromosome 15ql 1-13 (refs 5, 9). Because this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/364448a0
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  • 4
    Digitale Medien
    Digitale Medien
    A simple method for preparing physiologically active mitochondria from plant leaves rich in oils and phenolics (1986)
    Springer
    Plant cell reports 5 (1986), S. 54-56 
    Details
    ISSN: 1432-203X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Amberlite XAD-7, a nonionic polyacrylate adsorbent, was found to be a very effective protectant for isolating mitochondria from tissues rich in oils and phenolics. Physiologically active, well-coupled mitochondria were successfully prepared from young green leaf tissues of citrus, apple, pear and tobacco.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00269718
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  • 5
    Digitale Medien
    Digitale Medien
    Mapping of mouse gamma crystallin genes on chromosome 1 (1988)
    Springer
    Biochemical genetics 26 (1988), S. 557-570 
    Details
    ISSN: 1573-4927
    Schlagwort(e): mouse ; gamma crystallin ; gene mapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Restriction fragments analysis of DNA from mouse-hamster somatic-cell hybrid clones revealed that a mouse gamma crystallin cDNA hybridized to genomic sequences located on mouse chromosome 1. Identification of restriction fragment length polymorphisms (RFLPs) in the gamma crystallin sequences of inbred strains of mice permitted the further localization of the gamma crystallin genes (Cryg) to the proximal region of chromosome 1 closely linked to the loci encoding isocitrate dehydrogenase (Idh-1), a low molecular weight (LM) crystallin protein polymorphism (Len-1), and fibronectin (Fn-1). A single recombinant was observed betweenLen-1 and an RFLP in the gamma crystallin gene family, consistent with the hypothesis thatLen-1 is one of the several structural loci encoding gamma crystallin genes.Len-1 is probably located on the centromeric end of theCryg gene family. Linkage ofIdh-1, Cryg, andFn-1 in mice extends the syntenic relationship of those loci to the human, bovine, and rodent genomes and may define a chromosomal region that is generally conserved among mammals. The map position ofCryg, near the eye lens obsolescence (Elo) locus, was confirmed by the discovery that the restriction fragment patterns of gamma crystallin sequences differed between strain C3H/HeJ and the congenic anophthalmic mutant strain, C3H.Elo. Therefore, the gamma crystallin genes were contransferred with the mutantElo gene in the derivation of C3H.Elo. The results establish that LEN-1 is a marker for the gamma crystallin gene family, position the gamma crystallin gene family relative to other markers on mouse chromosome 1, and provide additional evidence that theElo mutation is encoded at a locus closely linked to the gamma crystallin gene cluster. This study found no evidence of recombination hot spots within the gamma crystallin gene cluster.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02399601
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  • 6
    Digitale Medien
    Digitale Medien
    Mapping of mouse gamma crystallin genes on chromosome 1 (1988)
    Springer
    Biochemical genetics 26 (1988), S. 557-570 
    Details
    ISSN: 1573-4927
    Schlagwort(e): mouse ; gamma crystallin ; gene mapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Restriction fragments analysis of DNA from mouse-hamster somatic-cell hybrid clones revealed that a mouse gamma crystallin cDNA hybridized to genomic sequences located on mouse chromosome 1. Identification of restriction fragment length polymorphisms (RFLPs) in the gamma crystallin sequences of inbred strains of mice permitted the further localization of the gamma crystallin genes (Cryg) to the proximal region of chromosome 1 closely linked to the loci encoding isocitrate dehydrogenase (Idh-1), a low molecular weight (LM) crystallin protein polymorphism (Len-1), and fibronectin (Fn-1). A single recombinant was observed betweenLen-1 and an RFLP in the gamma crystallin gene family, consistent with the hypothesis thatLen-1 is one of the several structural loci encoding gamma crystallin genes.Len-1 is probably located on the centromeric end of theCryg gene family. Linkage ofIdh-1, Cryg, andFn-1 in mice extends the syntenic relationship of those loci to the human, bovine, and rodent genomes and may define a chromosomal region that is generally conserved among mammals. The map position ofCryg, near the eye lens obsolescence (Elo) locus, was confirmed by the discovery that the restriction fragment patterns of gamma crystallin sequences differed between strain C3H/HeJ and the congenic anophthalmic mutant strain, C3H.Elo. Therefore, the gamma crystallin genes were contransferred with the mutantElo gene in the derivation of C3H.Elo. The results establish that LEN-1 is a marker for the gamma crystallin gene family, position the gamma crystallin gene family relative to other markers on mouse chromosome 1, and provide additional evidence that theElo mutation is encoded at a locus closely linked to the gamma crystallin gene cluster. This study found no evidence of recombination hot spots within the gamma crystallin gene cluster.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00553779
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  • 7
    Digitale Medien
    Digitale Medien
    Growth promotion and inhibition by antibiotic-producing fluorescent pseudomonads on citrus roots (1984)
    Springer
    Plant and soil 77 (1984), S. 103-113 
    Details
    ISSN: 1573-5036
    Schlagwort(e): Citrus spp. ; Fe ; Rhizobacteria ; Siderophore
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Forty-three strains of feeder root colonizing fluorescent pseudomonads from rough lemon (Citrus jambhiri Lush.) roots were examined for effects on rough lemon and sweet orange (Citrus sinensis Osbeck) seedlings. Plants inoculated with a single bacterial soil-drench had, after 10 months, a range of stimulatory (to 116%) and inhibitory effects (to 52%). Stimulatory bacteria particularly increased growth of root systems. Cultivar-specific inhibition and stimulation was evident in inoculations of rough lemon and sweet orange seedlings. Populations of fluorescent rhizobacteria on inoculated and noninoculated, as well as on stimulated and nonstimulated seedlings, did not differ significantly (10.8×106 to 30.3×106 CFU/g root). Population of fluorescent rhizobacteria on seedlings were higher than populations on feeder roots from grove trees (2.8 to 5.7×106 CFU/g). Ninety-four and 81% of 251 fluorescent strains produced antibiotics against the fungusGeotrichum candidum and the bacteriumErwinia stewartii, respectively. Antibiotic activities of 90% of the antibiotic producing strains were repressed by Fe3+, indicating siderophore production. In comparison, only 9.6 and 15% of 94 randomly selected nonfluorescentPseudomonas strains were antibiotic producers. Differences between stimulatory and inhibitory or neutral bacteria were not apparent from antibiosis tests. On the basis of physiological tests,Pseudomonas putida was the most abundant (〉62%) pseudomonad species on rough lemon roots. Growth stimulating strains appeared to be in bothP. putida andP. fluorescens groups. FewP. aeruginosa strains were identified on citrus roots.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02182816
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  • 8
    Digitale Medien
    Digitale Medien
    Growth responses and vascular plugging of citrus inoculated with rhizobacteria and xylem-resident bacteria (1985)
    Springer
    Plant and soil 86 (1985), S. 333-345 
    Details
    ISSN: 1573-5036
    Schlagwort(e): Blight ; Citrus jambhiri ; Citrus sinensis ; Hypersensitive reaction ; Pseudomonas spp
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Bacteria, isolated from roots (xylem tissue) of healthy and Young Tree Decline (YTD, Blight)-affected citrus trees, and also from nursery seedlings, were screened for potential pathogenicity by the tobacco hypersensitive reaction (HR). A majority (〉75%) of the HR positive strains were classified as nonfluorescent pseudomonads. These HR positive strains were subsequently inoculated into rough lemon (Citrus jambhiri Lush.) and sweet orange (C. sinsensis Osbeck) seedlings or into ‘Valencia’ sweet orange budded on rough lemon root-stock. Many of the HR positive pseudomonads reduced fresh weights (up to 94%) of roots and shoots and some reduced xylem water conductance and caused scion dieback. There was no evidence of necrosis or root rot in inoculated roots. A few HR negative Pseudomonas and Enterobacter strains significantly, but less severely, inhibited (to 43%) root growth of sweet orange seedlings. HR negative mutants derived from HR positive strains were considerably less inhibitory. Postinoculation stresses (dark and cold) markedly decreased susceptibility of seedlings to bacterial-induced inhibition. Evidence of cultivar-specific effects was obtained in comparable inoculations of rough lemon and sweet orange seedlings. Soil application of a fluorescent pseudomonad, which alone was growth stimulatory, intensified inhibitory effects of nonfluorescent, growth inhibitory, psuedomonads. This study demonstrates that many rhizobacteria isolated from xylem tissue of roots have detrimental effects on citrus.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02145454
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