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ULTRASTRUCTURE OF THE PSEUDOCAPILLITIUM AND SPORES OF THE MYXOMYCETE LYCOGALA EPIDENDRUM. LICEALES
Author(s) -
Gaither Thomas W.
Publication year - 1976
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1976.tb11859.x
Subject(s) - spore , ultrastructure , biology , transmission electron microscopy , amorphous solid , scanning electron microscope , biophysics , electron microscope , layer (electronics) , organelle , botany , materials science , crystallography , microbiology and biotechnology , optics , physics , composite material , chemistry , nanotechnology
The pseudocapillitium and spores of L. epidendrum were studied by transmission (TEM) and scanning electron microscopy (SEM). The SEM reveals that the pseudocapillitial surface is covered by bands of “wartlike” processes that alternate with non‐ornamented regions. Otherwise, the pseudocapillitium is a hollow structure composed of three regions. The outer region is thin, electron dense and continuous with many irregular processes. Internal to this area is an amorphous region containing scattered electron dense material. The innermost region of the pseudocapillitium is thin, inconspicuous and usually electron dense. L. epidendrum possesses spores that are covered by a surface reticulum consisting of polygonal areas which are continuous with the outermost spore layer. The outer spore layer is thin and electron dense. The inner spore layer is an electron transparent region that contains granular or fibrillar components. Sections of spores showed a dense cytoplasm possessing most of the usual organelles along with microtubules and microbodies.