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  • 1
    Electronic Resource
    Electronic Resource
    EFFECT OF THYMECTOMY ON DEVELOPMENT OF IMMUNOLOGICAL COMPETENCE IN MICE (1964)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 113 (1964), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1964.tb40713.x
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  • 2
    Electronic Resource
    Electronic Resource
    Expression and Biochemical Characterization of the DNA Binding Activity of TcA, the Putative Transposase of Caenorhabditis elegans Transposable Element Tc1
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 192 (1993), S. 1445-1452 
    Details
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1006/bbrc.1993.1578
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  • 3
    Electronic Resource
    Electronic Resource
    Cloning and characterization of two satellite DNAs in the low-C-value genome of the nematode Meloidogyne spp.
    Amsterdam : Elsevier
    Gene 138 (1994), S. 175-180 
    Details
    ISSN: 0378-1119
    Keywords: StyI repeated DNA ; genomic content ; nucleotide sequence analysis ; recombinant DNA ; tandem repeats
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(94)90803-6
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of alkali cations on the interaction between detergents and erythrocyte membranes (1973)
    Springer
    Cellular and molecular life sciences 29 (1973), S. 288-289 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Resumen Los distintos cationes alcalinos monovalentes (145 mM) y divalentes (100 mM) modifican marcadamente el grado de hemólisis de eritrocitos humanos provocado por Triton X-100 y por desoxicolato de Na (DOC). La serie de actividad con cationes monovalentes en hemólisis por Triton es K〉Rb=Cs〉Na≧Li, y por DOC es Li〉Rb=Cs〉K〉Na. Por el contrario, el grado de solubilización de membranas eritrocitarias producido por Triton o DOC es independiente de los distintos cationes alcalinos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01926480
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  • 5
    Electronic Resource
    Electronic Resource
    Genetic variation inMeloidogyne incognita virulence against the tomatoMi resistance gene: evidence from isofemale line selection studies (1994)
    Springer
    Theoretical and applied genetics 88 (1994), S. 749-753 
    Details
    ISSN: 1432-2242
    Keywords: Tomato ; M. incognita ; Virulence ; Genetic variation ; Inheritance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Resistance to the parthenogenetic root-knot nematodeMeloidogyne incognita is controlled in tomato by the single dominant geneMi, against which virulent pathotypes are able to develop. Isofemale lines (i.e., families) were established from a natural avirulent isolate ofM. incognita in order to study the genetic variability and inheritance of the nematode virulence. From the progeny of individual females, the production of egg masses on the root system of theMi-resistant tomato ‘Piersol’ was analyzed in artificial selection experiments. A family analysis revealed, after two successive generations, a strongly significant variation between the 63 isofemale lines tested, and the results obtained for the mothers and their daughters were also significantly correlated. These results together clearly demonstrate the existence of a genetic variability and inheritance for this character. In a second experiment, a four-generation selection was performed on 31 other isofemale lines. The results revealed a significant response to selection apparently limited only to the two families able to produce, in first generation, a significant minimal egg-mass number on the resistant cultivar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01253980
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  • 6
    Electronic Resource
    Electronic Resource
    Spectrum of resistance to root-knot nematodes and inheritance of heat-stable resistance in in pepper (Capsicum annuum L.) (1999)
    Springer
    Theoretical and applied genetics 99 (1999), S. 496-502 
    Details
    ISSN: 1432-2242
    Keywords: Key words Capsicum annuum L. ; Solanaceae ; Meloidogyne spp. ; Nematode resistance ; Dominant Me3 gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Capsicum annuum L. has resistance to root-knot nematodes (RKN) (Meloidogyne spp.), severe polyphagous pests that occur world-wide. Several single dominant genes confer this resistance. Some are highly specific, whereas others are effective against a wide range of species. The spectrum of resistance to eight clonal RKN populations of the major Meloidogyne species, M. arenaria (2 populations), M. incognita (2 populations), M. javanica (1 population), and M. hapla (3 populations) was studied using eight lines of Capsicum annuum. Host susceptibility was determined by counting the egg masses (EM) on the roots. Plants were classified into resistant (R; EM ≤ 5) or susceptible (H; EM 〉5) classes. The french cultivar Doux Long des Landes was susceptible to all nematodes tested. The other seven pepper lines were highly resistant to M. arenaria, M. javanica and one population of M. hapla. Variability in resistance was observed for the other two populations of M. hapla. Only lines PM687, PM217, Criollo de Morelos 334 and Yolo NR were resistant to M. incognita. To investigate the genetic basis of resistance in the highly resistant line PM687, the resistance of two progenies was tested with the two populations of M. incognita: 118 doubled-haploid (DH) lines obtained by androgenesis from F1 hybrids of the cross between PM687 and the susceptible cultivar Yolo Wonder, and 163 F2 progenies. For both nematodes populations, the segregation patterns 69 R / 49 S for DH lines and 163 R / 45 S for F2 progenies were obtained at 22°C and at high temperatures (32°C and 42°C). The presence of a single dominant gene that totally prevented multiplication of M. incognita was thus confirmed and its stability at high temperature was demonstrated. This study confirmed the value of C. annuum as a source of complete spectrum resistance to the major RKN.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051262
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  • 7
    Electronic Resource
    Electronic Resource
    Selection forMeloidogyne incognita virulence against resistance genes from tomato and pepper and specificity of the virulence/resistance determinants (1996)
    Springer
    European journal of plant pathology 102 (1996), S. 585-590 
    Details
    ISSN: 1573-8469
    Keywords: Capsicum annuum ; doubled haploid pepper lines ; Lycopersicon esculentum ; Meloidogyne incognita ; near-isogenic nematode lines ; root-knot nematode resistance genes ; virulence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Experiments were designed to analyze the relationships between the root-knot nematodeMeloidogyne incognita and resistant tomato and pepper genotypes. From a natural avirulent isolate, near-isogenic nematode lineages were selected with virulence either against the tomatoMi resistance gene or the pepperMe3 resistance gene. Despite the drastic selection pressure used, nematodes appeared unable to overcome the pepperMe1 gene, therefore suggesting some differences in the resistance conferred byMe1 andMe3 in this species. Nematodes virulent onMi-resistant tomatoes were not able to reproduce onMe1-resistant nor onMe3-resistant peppers, and nematodes virulent onMe3-resistant peppers were not able to reproduce onMi-resistant tomatoes nor onMe1-resistant peppers. These results clearly demonstrate the specificity ofM. incognita virulence against resistance genes from both tomato and pepper, and indirectly suggest that gene-for-gene relationships could occur between these two solanaceous crops and the nematode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01877026
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  • 8
    Electronic Resource
    Electronic Resource
    Litter yield in shrubs of larrea in the andean piedmont of Mendoza, Argentina (1992)
    Springer
    Plant ecology 101 (1992), S. 21-33 
    Details
    ISSN: 1573-5052
    Keywords: Litter ; Phenology ; Rainfall ; Statistic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung In den Larrea divaricata ssp. divaricata und L. cuneifolia Gebüschen des mendoziner Andenvorlandes (1500 m und 1130 m Meereshöhe) wurde die Streuproduktion untersucht. Die Streu wurde getrennt nach Strauchschit, Krauchschit und nacktem Boden in Fallen gesammelt, die stichprobenartig in den Beständen verteilt waren. Ein Jahr lang wurde in jedem Bestand der monatliche Streuanfall ermittelt, wobei die Bläter und Früchte von Larrea von den Stipa-Früchten zwecks Berechnung der relativen Mengen-, grasartige und nicht grasartige, getrennt wurden. Streu und Boden der Bestän wurden bromatologisch analysiert und die Stockstoff, Kalk und Phosphorgehalte bestimmt Derjärliche Nährstoffeintrag wurde schichtweise und als Gesamtmenge berechnet. Das Larrea cuneifolia Gebüsch erzeuchte järlich 4,71 T/ha und das L. divaricata 2,20 T/ha Streu. Diese enthielt 78,66 kg/ha N, 4,24 kg/ha P und 94,20 T/ha Ca im L. cuneifolia-und 31,14 kg/ha N, 1,82 kg/ha P, 34,17 kg/ha Ca im L. divaricata-Gebüsch.
    Notes: Abstract The production of litter was measured for the piedmont communities of Larrea divaricata ssp. dicaricata (1500 m asl) and L. cuneifolia (1130 m asl) near Mendoza, Argentina. Litter was collected in traps randomly distributed in each stand: herbaceous, shrubby and uncovered soil. The monthly average weight of litter was recorded in each stand during one year and discontineously during other two years more. The material was classified as: leaves and fruits of Larrea sp., fruits of Stipa sp. (by its relative abundance), gramineous and non gramineous material. The litter and the soil in each sample were bromatologically analyzed and the N, Ca and P levels also determined. The annual contribution of nutrients was calculated totally and layer by layer. The L. cuneifolia and the L. divaricata thickets produce 4,71 t.ha-1 year-2 and 2,02 t.ha-1.year-2 of litter respectively, that mean 78,66 kg/ha of N, 4,24 kg/ha of P and 94,2 kg/ha of Ca in the first thicket and 31,14 kg/ha of N, 1,82 kg/ha of P and 34,17 kg/ha of Ca in the second one; in one year of study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00031912
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