Ultrastructure of Urediniospore Formation in the Rust Fungus Coleosporium ipomoeae as Revealed by High Pressure Freezing Followed by Freeze Substitution
نویسندگان
چکیده
منابع مشابه
Genetics of Resistance to the Rust Fungus Coleosporium ipomoeae in Three Species of Morning Glory (Ipomoea)
We examined the genetic basis of resistance to the rust pathogen Coleosporium ipomoea in three host species: Ipomoea purpurea, I. hederacea, and I. coccinea (Convolvulaceae). In crosses between resistant and susceptible individuals, second-generation selfed offspring segregated in ratios that did not differ statistically from the 3:1 ratio indicative of single-gene resistance with the resistant...
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Storage and secretion processes in the spore of Gigaspora margarita Becker & Hall as revealed by high-pressure freezing and freeze substitution
Spores of Gigaspora margarita Becker & Hall, an arbuscular mycorrbizal fungus, were cryofixed using bigbprcssure freezing and prepared for transmission electron microscopy by freeze substitution. I'hc cryotechniques improved tbe ultrastructural preservation of tbe spore cytoplasm and revealed storage and secretion processes in tbe germinating spores of G. margarita. The storage structures m the...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2003
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s1431927603446710