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The nutritive cells in root nematode galls may be multinucleate giant cells, non-hypertrophied uninucleate nutritive cells, or syncytia, depending on the gall-inducing species (Dropkin, 1969; Meyer, 1987; Wyss, 1997).
These schizonts burst open releasing 2000-40000 uninucleate merozoites into the blood stream [39].
Buds with equal sepal and petal in size that were containing microspores at mid to late uninucleate developmental stages were harvested at early morning and pretreated at 4[degrees]C for 24 h.
Microspore isolation: Flower buds 2.5-3.5 mm in width, containing microspores at the late uninucleate stage of development, were collected and sterilizedin 5% commercial sodium hypochlorite solution to which a few drops of Tween-20 had been added for 20 minutes, then finally rinsed by being shaken in double distilled water 3 times, 6 minutes each time.
Lumen of the tubules exhibited transversal sections of nematodes with paired genital tract, uninucleate eggs, and larvae, which were compatible with parasites belonging to the Strongyloididae family.
The life cycle of Physarum consists of two phases with different modes of motility: uninucleate amoeba showing slow amoeboid movement; and multinucleated plasmodium showing rapid cytoplasmic streaming.
May 11 ~ May 13###The late uninucleate stage###The megaspore mother cell meiosis to form tetrad
The cases of infection caused by a mikrocytid parasite seen in both Hematodinium-infected and noninfected crabs were characterized by the presence of free plasmodia in the lumen of the antennal gland and large numbers of uninucleate forms within the antennal gland cells (Fig.
Sections of cecum and colon contained numerous ascarid nematodes (200-300 pm in diameter) with prominent lateral alae, lateral cords, coelomyarian musculature, and uninucleate intestinal epithelium, consistent with Heterakis species.
Indeed, it has been shown [6] that the microconidia of Fusarium oxysorum and haploid uninucleate. The spore isolates are made as follows: a suspension of microconidia containing a suspension of 20 spores / ml is spread by streaking on PDA medium after 24 h of germination, the young fronds from one microconidie are aseptically collected and placed separately in Petri dishes.
Interestingly, this "alignment-of-fitness" requires a "bottleneck" or unicellular stage when the organism consists of just one cell-a spore, zygote, or uninucleate asexual propagule.