Document Detail

Ultrastructure of intercellular hypha and haustorium of the rust fungus, Uromyces euphorbiae.
MedLine Citation:
PMID:  12749586     Owner:  NLM     Status:  MEDLINE    
The ultrastructure of intercellular hyphae and dikaryotic haustoria of Uromyces euphorbiae, and the host response to haustorial invasion was investigated. The intercellular hyphae share common characteristics with those of other uredinial stages of rust fungi. Three types of septa were recognized inside the intercellular hypha. This study showed that the extrahaustorial membrane was possibly formed before the development of the haustorium. The periodic acid-thiocharbohydrazide-silver proteinate technique showed that the haustorial mother cell wall at the penetration site, and the haustorial wall contained more carbohydrates than other fungal structures. In addition, the neckband, present around the haustorial neck, contains different material from those of the rest of the haustorial neck wall. The close associations of host organelles, such as the nucleus, chloroplasts, mitochondria, endoplasmic reticulum and microtubules, with the haustorium, is described.
Zakaria A M Baka
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Mycopathologia     Volume:  156     ISSN:  0301-486X     ISO Abbreviation:  Mycopathologia     Publication Date:  2002  
Date Detail:
Created Date:  2003-05-16     Completed Date:  2003-07-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505689     Medline TA:  Mycopathologia     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  215-21     Citation Subset:  IM    
Department of Biology, Faculty of Science (31), King Khalid University, Abha 9004, Saudi Arabia.
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MeSH Terms
Basidiomycota / ultrastructure*
Euphorbia / microbiology*
Microscopy, Electron
Plant Diseases / microbiology*
Plant Leaves / microbiology
Saudi Arabia

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