Microscopy Lab Dump :]

FOTD #126 : entoloma haastii!

entoloma haastii (no common name) is a mushroom in the family entolomataceae :-) it is only known to grow in aotearoa, where it often sprouts in leaf litter from southern beech plants.

the big question : can i bite it?? the edibility is unknown, but it is said to be sharp-tasting & sour / bitter.

e. haastii description :

"the cap is initially conical later developing an umbo & becoming rounded or bell-shaped, reaching diameter of 1.5–5.5 cm (0.6–2.2 in) in diameter. older fruit bodies have margins that are turned upward. the cap colour is dark brown or soot-brown but always has a bluish tinge. the surface is dry, covered by radially arranged wrinkles or veins, neither striate nor hygrophanous. the gills are adnexed to almost free from attachment to the stem. they are somewhat distantly spaced, with between 16 & 22 gills extending fully from the stem to the edge of the cap, in addition to one to three tiers of interspersed lamelluae (short gills that do not extend fully from the stem to the cap edge). the gill colour is grey-bluish later becoming pink, & the gill edges are straight or somewhat saw-toothed, & the same colour as the gill face. the stem is 4–10 cm (1.6–3.9 in) by 0.3–1 cm (0.12–0.39 in), bulbous-rooting or club-shaped. the top portion of the stem is deep blue, the colour fading towards the whitish or ochraceous base, strongly fibrillose, dry, hollow, fragile, often twisted. the flesh is blue in the cap & the upper parts of the stem, but whitish or yellowish at the base."

[images : source & source] [fungus description : source]

Willkommlangea reticulata

by Alison Pollack

Botox is made with botulinum toxin,, ok.

clostridium botulinum is anaerobic bacteria. form spores that release neurotoxin. cause paralysis

can be evident in honey. home canned foods. no oxygen

Root of Osmunda cinnamomea. The anatomy of woody plants. 1917.

Internet Archive

plasmodial slime mold consuming a Trametes fungus by Michael Harz

hello hellsitegenetics. do u know how to stop wanting to eat electrophoresis gel

the craving never stops you just have to get good at eating it when the lab supervisors arent looking

These pictures show PAS (purple/pink) and GMS (brown/blue) staining of a lymph node biopsy from a canine patient with lymphadenopathy and weight loss. Histology was suggestive of likely a fungal organism (bright pink in the PAS stain and dark brown/black in the GMS stain), however a mixed infection with an algal species could not be definitively ruled out without microbiology.

Our microbiologist cultured an Aspergillus species from this dog, and is in the process of ruling out any other possibilities.

What's especially cool is in one of the PAS pictures, you can see an organism trapped within an actively dividing macrophage!

Microbelr

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Leafy Sea Dragon (Phycodurus Eques)

Pterocarpus Angolensis is a tree native to South Africa. It’s also commonly known as the bloodwood tree due to the fact that when it’s chopped or damaged, a deep red sap which looks eerily similar to blood, seeps from the tree. In fact, the purpose of the sap is to coagulate and seal the wound to promote healing, much like blood.