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  • Cardiopulmonary Functional Tests  (1)
  • Cellcycle  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 110 (1971), S. 140-165 
    ISSN: 1432-1076
    Keywords: Cardiopulmonary Functional Tests ; W170 in Relation to Sex and Age ; Trends and Normal Values
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1. Es wird über Untersuchungen an 141 Jungen und 151 Mädchen berichtet, bei denen die körerliche Leistungsfähigkeit (W170) in der von Mocellin u. Rutenfranz vorgeschlagenen Weise bestimmt wurde. 2. Die Normierung der Untersuchungsergebnisse erfolgte über die Bezugsgrößen Alter, Körperlänge und Körpergewicht. Dabei fanden sich zwischen der W170 und Körpermaßen, außer zwischen W170 und Gewicht bei Jungen, keine linearen Beziehungen über größere Bereiche hinweg. 3. Es bestand eine Proportionalität zwischen Mittelwerten der W170 in verschiedenen Altersgruppen und den entsprechenden Streuungen. Als Streuungsmaß wurde deshalb der Variabilitätskoeffizient verwendet. 4. Die Entwicklung der W170 in Abhängigkeit von Lebensalter und Geschlecht wurde an Hand der Beziehungen zwischen W170 und Körpermaßen mit Hilfe der Normwerte von Meredith rechnerisch ermittelt. Die errechneten Werte werden mit den empirischen Werten verglichen. Die Möglichkeit alters- und geschlechtsspezifischer Besonderheiten wird diskutiert. 5. Unter Berücksichtigung einer methodenabhängigen Differenz der W170-Werte von 90 mkp min−1 werden die bei kontinuierlich steigender Leistung bestimmten W170-Werte auf Verhältnisse bei stufenweise steigender Leistung umgerechnet, so daß ein Vergleich mit den Werten anderer Untersucher durchgeführt werden kann.
    Notes: Abstract 1. A report is given of investigations on the physical performance capacity (W170) which was determined in the way proposed by Mocellin and Rutenfranz. 2. The results were classified according to age, height and body weight. Except for the relation between W170 and body weight in boys, no other linear relationship was recorded in boys and girls between W170 and physical parameters for a wider range. 3. The recorded mean values and the standard deviations of W170 at various developmental stages in boys as well as in girls tended to be proportionally related. Therefore the coefficient of variation was selected as standard for deviations of regressions. 4. The development of W170 in relation to sex and age was assessed according to relationships between W170 and physical parameters by means of normal values given by Meredith. The estimated values of W170 are compared with the empirical values of the investigated population. 5. Taking into account a systematic difference of 90 mkp min−1 between values of W170 obtained at continuous or at stepwise increase of load, our values have been transformed to conditions of a stepwise increase of load so that a comparison with values of other investigations is possible.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Current genetics 4 (1981), S. 205-214 
    ISSN: 1432-0983
    Keywords: Cellcycle ; Gl period ; cdc genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Here we report the isolation of several new temperature-sensitive mutations which cause cells of the yeast Saccharomyces cerevisiae to arrest in the G1 period of the cell cycle. Four different selection schemes were employed. The cell division cycle (cdc) mutations define five new complementation groups. At non-permissive temperatures, strains bearing these new cdc mutations arrested in G1 within one cell division cycle. By order-of-function mapping, cells of each population were found to be arrested at “start”, the regulatory point in the G1 period of yeast. Mutations were grouped into two categories by the abilities of mutant strains to continue extensive macromolecular synthesis and to conjugate with cells of the opposite mating type. For strains with mutations in one category, shift to the non-permissive temperature caused an abrupt decrease in the rates of labelling of protein and RNA, and rendered cells unable to mate efficiently. For strains with mutations in the second category, cells continued to grow and mating ability was not significantly impaired. Each selection scheme was also designed to isolate mutations which specifically affect the ability of cells to reinitiate the cell cycle from stationary phase. This was done to test the hypothesis that stationary phase cells are in a unique developmental state referred to as G0. No mutations specific for resumption of growth from stationary phase were isolated.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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