نتایج جستجو برای: zoospore
تعداد نتایج: 272 فیلتر نتایج به سال:
Rozella is a genus of unwalled endoparasites of a variety of hosts including Oomycota (Stramenopiles), Blastocladiomycota and Chytridiomycota (Fungi), and one green alga (Coleochaete, Chlorophyceae). It currently includes more than 20 formally described species, and no new species of Rozella have been described since 1987. We discovered a new Rozella species parasitizing Rhizoclosmatium globosu...
Using two-dimensional gel electrophoresis, we analyzed the pattern of proteins synthesized during Blastocladiella emersonii zoospore germination in an inorganic solution, in both the presence and absence of actinomycin D. During the transition from zoospore to round cells (the first 25 min), essentially no qualitative differences were noticeable, indicating that the earliest stages of germinati...
Mitogen-activated protein kinase (MAPK) pathways are ubiquitous and evolutionarily conserved signal transduction modules directing cellular respond to a diverse array of stimuli, in the eukaryotic organisms. In this study, PlMAPK10 was identified to encode a MAPK in Peronophythora litchii, the oomycete pathogen causing litchi downy blight disease. PlMAPK10, containing a specific and highly cons...
understanding the function of trichoderma species in the control of phytophthora drechsleri in pistachio orchards is very important. in this study, the effects of liquid extra-cellular secretions and volatile compounds secreted by 27 isolates of trichoderma harzianum, t. crassum, t. koningii, t.aureoviride, t. asperellum, t. brevicompactum, t.longibrachiatum and t. virens were investigated on ...
During the last decade several new orders were established in the class Chytridiomycetes on the basis of zoospore ultrastructure and molecular phylogeny. Here we present the ultrastructure and molecular phylogeny of strain x-51 CALU - a parasite of the alga Tribonema gayanum, originally described as Rhizophydium sp. based on light microscopy. Detailed investigation revealed that the zoospore ul...
Batrachochytrium dendrobatidis is responsible for amphibian declines worldwide. Decreasing the aquatic density of this chytrid through consumption its infectious zoospores by Cladocera (water fleas) may mitigate impact chytridiomycosis. Understanding predator-prey relationship requires insights in zoospore ingestion rate an average water flea, but such data are almost non-existent. We investiga...
Zoospore germination in B. emersonii is accompanied by a series of abrupt, dramatic changes in cell structure. Membranes appear to be variously involved in many of these changes. Germination is subject to simple manipulations of the ionic environment: swimming zoospores can be maintained for long periods in the buffered CaCl2 solution into which they are initially released, whereas dilution int...
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