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1

Digitale Medien

The compositional distribution of coding sequences and DNA molecules in humans and murids (1988)

Mouchiroud, Dominique ; Gautier, Christian ; Bernardi, Giorgio

Springer

Journal of molecular evolution 27 (1988), S. 311-320

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ISSN: 1432-1432

Schlagwort(e): Genome composition ; Coding sequences ; Isochores ; Humans ; Murids

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Summary The compositional distributions of coding sequences and DNA molecules (in the 50-100-kb range) are remarkably narrower in murids (rat and mouse) compared to humans (as well as to all other mammals explored so far). In murids, both distributions begin at higher and end at lower GC values. A comparison of homologous coding sequences from murids and humans revealed that their different compositional distributions are due to differences in GC levels in all three codon positions, particularly of genes located at both ends of the distribution. In turn, these differences are responsible for differences in both codon usage and amino acids. When GC levels at first+second codon positions and third codon positions, respectively, of murid genes are plotted against corresponding GC levels of homologous human genes, linear relationships (with very high correlation coefficients and slopes of about 0.78 and 0.60, respectively) are found. This indicates a conservation of the order of GC levels in homologous genes from humans and murids. (The same comparison for mouse and rat genes indicates a conservation of GC levels of homologous genes.) A similar linear relationship was observed when plotting GC levels of corresponding DNA fractions (as obtained by density gradient centrifugation in the presence of a sequence-specific ligand) from mouse and human. These findings indicate that orderly compositional changes affecting not only coding sequences but also noncoding sequences took place since the divergence of murids. Such directional fixations of mutations point to the existence of selective pressures affecting the genome as a whole.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02101193

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2

Digitale Medien

Implementation of periodic acid-thiosemicarbazide-silver proteinate staining for ultrastructural assessment of muscle glycogen utilization during exercise (1985)

Fridén, Jan ; Seger, Jan ; Ekblom, Björn

Springer

Cell & tissue research 242 (1985), S. 229-232

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ISSN: 1432-0878

Schlagwort(e): Skeletal muscles ; Ultrastructure ; Exercise ; Glycogen ; Humans

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Summary Distribution of glycogen particles in semithin and ultrathin sections of biopsy samples from human muscles subjected to either short- or long-term running were investigated using PAS and Periodic Acid-ThioSemiCarbazide-Silver Proteinate (PA-TSC-SP) staining methods. Glycogen particles were predominantly found immediately under the sarcolemma or aligned along the myofibrillar Iband. After long-term exhaustive exercise type-1 fibers with a few or no glycogen particles in the core of the fibers were frequently observed. The subsarcolemmal glycogen stores of these “depleted” type-1 fibers were about three times as large as after exhaustive short-time exercise. Another indication of utilization of subsarcolemmal glycogen stores during anaerobic exercise was that many particles displayed a pale, rudimentary shape. This observation suggests fragmental metabolization of glycogen. Thus, depending on type of exercise and type of fiber differential and sequential glycogen utilization patterns can be observed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00225582

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3

Digitale Medien

Studies on chromosomes. VII. A review of the chromosomes of Nezara; with some more general considerations (1911)

Wilson, Edmund B.

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911), S. 71-110

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 9 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220104

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4

Digitale Medien

Masthead (1911)

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911)

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220201

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5

Digitale Medien

Oviposition induced by the male in pigeons (1911)

Craig, Wallace

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911), S. 299-305

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220205

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6

Digitale Medien

The growth and differentiation of the chain of Cyclosalpa affinis Chamisso (1911)

Ritter, Wm. E. ; Johnson, Myrtle E.

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911), S. 395-453

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 10 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220209

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7

Digitale Medien

Physiological animal geography (1911)

Shelford, Victor E.

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911), S. 551-618

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 19 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220303

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8

Digitale Medien

The origin of the sex-cells of Amia and Lepidosteus (1911)

Allen, Bennet M.

New York, NY : Wiley-Blackwell

Journal of Morphology 22 (1911), S. 1-36

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050220102

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9

Digitale Medien

The heart and arteries of polyodon (1912)

Danforth, C. H.

New York, NY : Wiley-Blackwell

Journal of Morphology 23 (1912), S. 409-454

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 19 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050230303

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10

Digitale Medien

Chromodoris zebra heilprin: A distinct species (1912)

Smallwood, W. M. ; Clark, Elizabeth G.

New York, NY : Wiley-Blackwell

Journal of Morphology 23 (1912), S. 625-636

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ISSN: 0362-2525

Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Medizin

Zusätzliches Material: 6 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jmor.1050230403

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