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Kinetic studies of septum synthesis, erosion and nuclear migration in a growing B-mutant of Schizophyllum commune

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Summary

Microscopic measurements of apical growth and primary branch elongation were compared with nuclear movements, septum synthesis and erosion in a growing B-mutant of Schizophyllum commune. Apical growth, mitosis, septum formation, and intercalary cell division were similar to wild-type hyphae. Nuclear replication and new cross-wall formation also occurred in either apical cells bounded by eroding septa or in subterminal cells adjoined by eroded septa. An anucleate subterminal unit of the B-mutant hypha was invaded by a migrant nucleus which subsequently replicated and laid down a new septum in this region. Septum erosion occurred as early as 1 h following synthesis. Cellular granules and filaments were implicated in both septum synthesis and erosion.

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  1. Department of Microbiology, Indiana University Medical Center, 46202, Indianapolis, Indiana

    Donald J. Niederpruem

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  1. Donald J. Niederpruem
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Niederpruem, D.J. Kinetic studies of septum synthesis, erosion and nuclear migration in a growing B-mutant of Schizophyllum commune . Archiv. Mikrobiol. 75, 189–196 (1971). https://doi.org/10.1007/BF00408980

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  • DOI: https://doi.org/10.1007/BF00408980

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