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  • Chemistry  (13)
  • Genetic map  (2)
  • ALCOHOL ABUSE  (1)
  • 1
    ISSN: 1432-2242
    Keywords: Key words Heterozygosity ; Molecular markers ; Genetic map ; Quantitative trait loci ; Theobroma cacao
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A genetic linkage map of Theobroma cacao (cocoa) has been constructed from 131 backcross trees derived from a cross between a single tree of the variety Catongo and an F1 tree from the cross of Catongo by Pound 12. The map comprises 138 markers: 104 RAPD loci, 32 RFLP loci and two morphologic loci. Ten linkage groups were found which cover 1068 centimorgans (cM). Only six (4%) molecular-marker loci show a significant deviation from the expected 1:1 segregation ratio.The average distance between two adjacent markers is 8.3 cM. The final genome-size estimates based on two-point linkage data ranged from 1078 to 1112 cM for the cocoa genome. This backcross progeny segregates for two apparently single gene loci controlling (1) anthocyanidin synthesis (Anth) in seeds, leaves and flowers and (2) self-compatibility (Autoc). The Anth locus was found to be 25 cM from Autoc and two molecular markers co-segregate with Anth. The genetic linkage map was used to localize QTLs for early flowering, trunk diameter, jorquette height and ovule number in the BC1 generation using both single-point ANOVA and interval mapping. A minimum number of 2–4 QTLs (P〈0.01) involved in the genetic expression of the traits studied was detected. Coincident map locations of a QTL for jorquette height and trunk diameter suggests the possibility of pleiotropic effects in cocoa for these traits. The combined estimated effects of the different mapped QTLs explained between 11.2% and 25.8% of the phenotypic variance observed in the BC1 population.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2242
    Keywords: Heterozygosity ; Molecular markers ; Genetic map ; Quantitative trait loci ; Theobroma cacao
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A genetic linkage map of Theobroma cacao (cocoa) has been constructed from 131 backcross trees derived from a cross between a single tree of the variety Catongo and an F1 tree from the cross of Catongo by Pound 12. The map comprises 138 markers: 104 RAPD loci, 32 RFLP loci and two morphologic loci. Ten linkage groups were found which cover 1068 centimorgans (cM). Only six (4%) molecular-marker loci show a significant deviation from the expected 1∶1 segregation ratio.The average distance between two adjacent markers is 8.3 cM. The final genome-size estimates based on two-point linkage data ranged from 1078 to 1112 cM for the cocoa genome. This backcross progeny segregates for two apparently single gene loci controlling (1) anthocyanidin synthesis (Anth) in seeds, leaves and flowers and (2) self-compatibility (Autoc). The Anth locus was found to be 25 cM from Autoc and two molecular markers co-segregate with Anth. The genetic linkage map was used to localize QTLs for early flowering, trunk diameter, jorquette height and ovule number in the BC1 generation using both single-point ANOVA and interval mapping. A minimum number of 2–4 QTLs (P〈0.01) involved in the genetic expression of the traits studied was detected. Coincident map locations of a QTL for jorquette height and trunk diameter suggests the possibility of pleiotropic effects in cocoa for these traits. The combined estimated effects of the different mapped QTLs explained between 11.2% and 25.8% of the phenotypic variance observed in the BC1 population.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 44 (1999), S. 691-696 
    ISSN: 1573-2568
    Keywords: ALCOHOL ; ALCOHOL ABUSE ; DUODENUM ; LYMPHOCYTES ; SECRETORY IgA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to investigate whetherchronic alcohol abuse alters the number and distributionof mononuclear cells of the duodenal mucosa. The numberof common leukocyte antigen (CLA)-positive interepithelial lymphocytes (IEL), Blymphocytes (BL), IgAproducing plasma cells (IgA-PC),and macrophages (MP) was quantitatively evaluated inbiopsies of the duodenal mucosa of patients with alcoholabuse compared to subjects without alcohol abuse.Biopsies from the descending part of the duodenum wereobtained by endoscopy from two groups of patients withchronic alcohol abuse (group A1, abstinence 〈5 days, N = 21) and group A2 abstaining 5-10 days(N = 6). Twenty-five subjects without alcohol abuseserved as controls (C). Immunohistochemical staining wasdone by avidinbiotin- complex method. In addition, the content of IgA in the plasma cells wasdetermined by using a TV-densitometric method. Thenumber of B-lymphocytes in the lamina propria wasincreased by 37% in group A1 (P 〈 0.005). A distinctdecrease was observed in group A1 compared to C in thenumber of IEL that were CLA positive (–50%, P 〈0.025) and in the number of macrophages (–54%, P〈 0.025). In group A2 the differences in the number of B lymphocytes and macrophages were no longerseen. In A1, there was no significant change in thenumber of IgA-producing plasma cells or in the number ofinterepithelial lymphocytes counted after H&E staining compared to the controls. There was nodifference in content of IgA in the IgA-producing plasmacells. From these results it is concluded that chronicalcohol abuse significantly influences the gut-associated immune system, possibly byincreasing the permeability of the gut mucosa tomacromolecules that act as antigens.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 73 (1961), S. 408-408 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 76 (1964), S. 535-535 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1070-1070 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Nous avons établi l'isotherme de saturation de 25° pour le système ternaire Ca++—H+—NO3-—H2O. Le diagramme de solubilité se compose de 4 courbes qui représentent les solutions saturées des sels suivants: Ca(NO3)2,4H2O, Ca(NO3)2,3H2O, Ca(NO3)2,2H2O et Ca(NO3)2 anhydre.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 34 (1951), S. 231-243 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Nous avons établi pour 25° le diagramme de solubilité du système quaternaire Ca++—NH4+—H+—NO3-—H2O.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 322 (1963), S. 297-309 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Alkyl-bis(dimethylamino) boranes can be obtained by solvolysis of alkyl boron dichlorides in dimethyl amine, or by alkylation of bis(dimethylamino)-chloro-borane with alkyl lithium. Their reactions with HCl, HBr and HJ was studied.
    Notes: Alkyl-bis(dimethylamino)((dimethylamino))borane erhält man bei der Dimethylaminolyse von Alkylbordichloriden oder bei der Alkylierung von Bis(dimethylamino)-chloroboran mit Alkyl-Lithium. Ihr Verhalten gegenüber den Halogenwasserstoffen HCl, HBr und HJ wurde untersucht.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 342 (1966), S. 297-306 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The RAMAN spectrum and the IR spectrum in the range 500-4000 cm-1 of liquid 1,8,10,9-triazaboradecaline were recorded. Major frequencies were assigned by comparing the data with the IR spectra of the corresponding N-dideuterated and 10B-labeled derivatives and by taking into consideration the expected vibrational spectrum of the compound. In accordance with the PMR spectrum, the structure of 1,8,10,9-triazaboradecaline as a bicyclic B-N-C system was confirmed; the bonding situation is discussed briefly.
    Notes: Vom 1,8,10,9-Triazaboradekalin wurde im flüssigen Zustand das RAMAN-Spektrum und das IR-Spektrum von 500-4000 cm-1 aufgenommen. Durch Vergleich mit den IR-Spektren der entsprechenden N-dideuterierten und 10B-markierten Verbindung und Berücksichtigung des Erwartungsspektrums wird eine Zuordnung zu den Grundschwingungen durchgeführt. In Übereinstimmung mit dem 1H-Kernresonanzspektrum wird die Struktur der Verbindung als bicyclisches Bor-Stickstoff-Kohlenstoff-System bestätigt. Die Bindungsverhältnisse werden kurz diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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