Dear colleagues: Dr. Pritt strictly mentioned "10 to 20 micrometers in diameter" in the text. So, don't be misleaded about pollen grains which are much larger in size. Focus on the other smaller structures.
Large and green stained cells are geranium pollen cells. Smaller cells are Blastocytis spp. cyst-like forms stained with trichrome. The nuclei in the peripheral cytoplasmic rim are visible, staining purple or red.
The pollen could indeed be from the Geraniaceae as Ozgur suggests. Geraniaceae pollen also have three lobes. Although I would stay with Oleaceae pollen. The lobes of Oleaceae are more rounded. A useful internet link for pollen: https://globalpollenproject.org/Taxon?rank=Family&page=2
A mix of Blastocystis species and pollen grains. The overall green color is quite festive.
ReplyDeleteFlorida Fan
Blastocystis hominis cyst-like structures.
ReplyDeleteI assume the query is about the pollen as the Blastocystis cells are not visible in all three images.
ReplyDeleteDefinitely cysts of Blastocystis hominis (in the first picture) and pollen grains -probably of Oleaceae- (in all 3 pictures).
ReplyDeletePS: These pollen would make nice Christmas decorations... the nice green color would perfectly match with my Christmas tree!
ReplyDelete;-)
Not parasite, pollen?
ReplyDeleteBlastocystis in the first image and pollen (so beautiful) in all three images.
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I think it's all pollen; are the putative Blastocystis in figure 1 really convincing?
ReplyDeleteDear colleagues: Dr. Pritt strictly mentioned "10 to 20 micrometers in diameter" in the text. So, don't be misleaded about pollen grains which are much larger in size. Focus on the other smaller structures.
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ReplyDeleteI agree, Blastocystis and pollen (the bigger size, double walls with striate between the walls )in the first picture and pollen in the other picture
ReplyDeleteLarge and green stained cells are geranium pollen cells. Smaller cells are Blastocytis spp. cyst-like forms stained with trichrome. The nuclei in the peripheral cytoplasmic rim are visible, staining purple or red.
ReplyDeleteThe pollen could indeed be from the Geraniaceae as Ozgur suggests. Geraniaceae pollen also have three lobes. Although I would stay with Oleaceae pollen. The lobes of Oleaceae are more rounded. A useful internet link for pollen: https://globalpollenproject.org/Taxon?rank=Family&page=2
ReplyDeleteI totally agree with Idzi. By the way, thank you for the pollen web link. It's very interesting!
ReplyDeleteLuis
Granuli tripilari di polline. Blastocystis hominis nella prima foto
ReplyDeleteCarlo Alberto Varlani
Pollen
ReplyDeleteI'm no palynologist, but it looks like Brassicaceae pollen to me. A quick image search turned up some very similar grains with size listed as 20 um.
ReplyDelete- Mark Fox
Can you post the case Hx that the parasitology lab images are linked to?
ReplyDeleteThank you.
Can you post the case Hx that the parasitology lab images are linked to?
ReplyDeleteThank you.
PS: volevo dire che nella prima foto, oltre al polline, c'รจ Blastocystis hominis
ReplyDeleteCarlo Alberto Varlani