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ULTRASTRUCTURE OF INTRAHYPHAL HYPHAE OF GLOMUS FASCICULA TUM (THAXTER) GERDEMANN AND TRAPPE IN ROOTS OF WHITE CLOVER ( TRIFOLIUM REPENS L.)
Author(s) -
LIM L. L.,
FINERAN B. A.,
COLE A. L. J.
Publication year - 1983
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1983.tb03489.x
Subject(s) - hypha , biology , ultrastructure , trifolium repens , botany , protoplasm , glomus , spore , cytoplasm , microbiology and biotechnology
SUMMARY Intrahyphal hyphae are reported in roots of white clover ( Trifolium repens ) infected with Glomus fasciculatum , this being the first unequivocal description of the phenomenon in coarse vesicular–arbuscular mycorrhizal associations. Various configurations of the hyphae are illustrated by transmission electron micrographs. The simplest situation is where the intercellular hypha contains a single intrahyphal hypha that may be either thin‐ or thick‐walled and which may also show different degrees of association with the enclosing hypha, the relationship often varying along the length of the two hyphae. The wall of the surrounding hypha may also be either thin‐or thick‐walled. Degenerate remnants of protoplasm frequently persist between the walls of the two hyphae. Compound intrahyphal hyphae also occur which may represent either branches of a single hypha or successive re‐invasion of a hypha with close adposition of walls so that in transverse section the wall appears to be concentrically layered.