Archivi del giorno: 6 novembre 2017

De la Wilipedia: Claviceps (engl. Ergot) 

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https://ro.wikipedia.org/wiki/Claviceps?wprov=sfla1

Mutterkornpilz. A Roggenähre mit Sclerotien, natürl. Grösse; 1 reifes Sclerotium, desgl.; 2 Fruchtknoten mit dem Pilzmycelium bedeckt, vergrössert; 3 derselben im Längsschnitt, desgl.; 4 Fruchtknoten mit dem Anfang der Bildung des clerotiums, desgl.; 5 dieselbe Figur im weiteren Entwicklungsstadium, desgl.; 6 Letztere Figur im Längsschnitt, desgl.; 7 Mycelium mit Conidienträgern und Conidien, desgl.; 8 Sclerotium mit den Fruchtträgern, desgl.; 9 Fruchtträger stärker vergrössert; 10 derselbe im Längsschnitt mit den Perithecien, desgl.; 11 Schnitt aus der Perithecienschicht noch stärker vergrössert; 12 Einzelnes Perithecium noch stärker vergrössert; 13 Sporenschläuche, desgl. (dieselben müssen am oberen Ende etwas verjüngt sein); 14 Schlauchsporen, desgl.; 15 Keimende Schlauchsporen.

Claviceps este un gen de ciuperci parazite care aparțin familiei Clavicipitaceae. În acest gen au fost încadrate după Pažoutová (2004) următoarele specii:

Claviceps africana
Claviceps citrina
Claviceps cynodontis
Claviceps fusiformis
Claviceps gigantea
Claviceps maximensis
Claviceps paspali
Claviceps purpurea
Claviceps pusilla
Claviceps sorghi
Claviceps sulcata
Claviceps omicopreoides
Claviceps…

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From Wikipedia: Ergot

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https://en.wikipedia.org/wiki/Ergot?wprov=sfla1

The discovery also establishes a minimum time for the conceivable presence ofpsychotropiccompounds in fungi.

Effects on humans and other mammals

methylergometrine maleate (Methergin)

methylergometrine maleate (Methergin)
Main article: Ergotism

The ergot sclerotium contains high concentrations (up to 2% of dry mass) of the alkaloidergotamine, a complex molecule consisting of a tripeptide-derived cyclol-lactam ring connected viaamide linkage to a lysergic acid (ergoline) moiety, and other alkaloids of the ergolinegroup that are biosynthesizedby the fungus. Ergot alkaloids have a wide range ofbiological activities including effects on circulation andneurotransmission.

Ergot alkaloids are classified as:

  1. derivatives of 6,8-dimethylergoline and
  2. lysergic acid derivatives.

Ergotism is the name for sometimes severe pathological syndromes affecting humans or other animals that have ingested plant material containing ergot alkaloid, such as ergot-contaminated grains. TheHospital Brothers of St. Anthony, an order of monks established in 1095, specialized in treating ergotism victims…

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Enceladus…

Noi studii privind datele trimise de sonda Cassini, sugerează prezența unei gigantice activități hidrotermale, pe satelitul său Enceladus.

Foto credit: NASA


M’s Music – Say something…

Mulțumire, George !


Lumină şi Sunet

Trăim uneori din praful stelelor, când nu mai înţelegem nimic…

O uvertură de LUMINĂ şi SUNET ce doar liniştea nopţii ne-o poate da…


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