Scanning electron microscopy of the haustorium-host interface regions in wheat infected with Puccinia graminis f. sp. tritici

Plotnikova, Yu. M.; Littlefield, Larry J.; Miller, James

doi:10.1016/0048-4059(79)90022-5

Cited by 5 publications

(2 citation statements)

References 3 publications

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“…It is however in contrast to the extensive intercellular ramification of Puccinia graminis Pers. through wheat (Plotnikova et al, 1979), probably reflecting a more specialized nutritional relationship in the latter case.…”

Section: Discussionmentioning

confidence: 96%

Cytology of the host‐pathogen interactions between Lolium perenne and Drechslera dictyoides

Cromey¹,

Cole²

1985

Plant Pathology

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The interactions between Drechslera dictyoides and Lolium perenne resulting in the development of the net blotch lesion were examined using light and electron microscopy. Following appressorium formation a reorganization of the network of cytoplasmic strands in underlying epidermal cells resulted in the accumulation of cytoplasm and the migration of the nucleus towards the appressorium. Successful penetration was followed by extensive colonization of the invaded epidermal cell. Abortive penetration attempts often resulted in the formation of hyphae within the epidermal cell wall. During lesion development, advancing hyphae came into contact with unmodified host cells which responded with the production of wall appositions. Hyphae were sparsely distributed within the developing lesions and their sparingly branched, predominantly linear pattern of growth resulted in the formation of discrete net lesions. Prior to the commencement of sporulation, the density of hyphae increased and the invasion of moribund cells of the senescent host tissue was observed.

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Section: Discussionmentioning

confidence: 96%

Cytology of the host‐pathogen interactions between Lolium perenne and Drechslera dictyoides

Cromey¹,

Cole²

1985

Plant Pathology

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“…They were removed from the 100% ethanol and immediately frozen in liquid nitrogen, then fractured using two pairs of long nosed pliars pre-cooled in liquid nitrogen. The fractured material was returned to the 100% ethanol and prepared in the same way as the other material (PLOTNIKOVA, LITTLEFIELD and MILLER 1979). Specimens were mounted on aluminium stubs and coated with approximately 20 nm of gold/palladium.…”

Section: Materiais and Methodsmentioning

confidence: 99%

Structural Aspects of the Parasitism of Sclerotia of Sclerotinia sclerotiorum (Lib.) de Bary by Coniothyrium minitans Campb.

Phillips

Price

1983

Journal of Phytopathology

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Sclerotia of Sclerotinia sclerotiorum inoculated with pycnidiospores of Coniothyrium minitans were studied by means of light microscopy and transmission and scanning electron microscopy. The hyperparasite penetrated the walls of the rind cells by means of physical pressure and destroyed the cell contents. Penetration of medullary hyphae was by enzymic lysis and physical pressure; there was evidence to suggest that the hyperparasite may coil around the host cells before inserting infection hyphae.

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Development of Parasitic Conidial Fungi in Plants

Aist¹

1981

Biology of Conidial Fungi

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Scanning electron microscopy of the haustorium-host interface regions in wheat infected with Puccinia graminis f. sp. tritici

Cited by 5 publications

References 3 publications

Cytology of the host‐pathogen interactions between Lolium perenne and Drechslera dictyoides

Cytology of the host‐pathogen interactions between Lolium perenne and Drechslera dictyoides

Structural Aspects of the Parasitism of Sclerotia of Sclerotinia sclerotiorum (Lib.) de Bary by Coniothyrium minitans Campb.

Development of Parasitic Conidial Fungi in Plants

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