Kinetic and Morphological Observations on the Yeast Phase of Histoplasma capsulatum During Protoplast Formation
AUTOR(ES)
Carbonell, Luis M.
RESUMO
Protoplast formation by Histoplasma capsulatum yeasts using high concentrations of MgSO4 occurs either by lysis of the bud or lysis of the entire cell wall. Both mechanisms may also occur simultaneously. Neither the protoplast emerging through a hole in the cell wall nor the freshly released protoplast has a recognizable cell wall or the remnant of such. The protoplast contains all the organelles of the normal cell except for mesosomes. During protoplast formation the nucleus increases in size and produces several nuclear masses by the invaginations of the internal layer of the nuclear membrane. All these nuclear masses are surrounded by the external layer of the nuclear membrane. Several nuclei with a normal nuclear membrane are formed later.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=247470Documentos Relacionados
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