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Dans les excréments de chien
Pablo Chacón,
16-02-2010 21:01
J'ai besoin de votre aide pour commencer à étudier cette Ascomycètes trouvée dans les crottes de chien.Je pense que c'est le genre Podospora mais je n'ai pas connaissance de ce genre et de quel groupe ils appartiennent.
Microscopiques de données:
Spores 20-23 X 15-17 microns
Asques de 200-250 microns.Je pense que le non-asques amyloïde
macroscopiques de données:
Plein de petits points noirs 1 mm fèces.
Demain, je vais essayer de rendre la photographie macroscopique.
Merci.
Pablo
Pablo Chacón,
16-02-2010 21:03
Re:Podospora-Dans les excréments de chien.
Ascas
Pablo Chacón,
16-02-2010 21:05
Re:Podospora-Dans les excréments de chien.
Ascas avec lugol
Pablo Chacón,
16-02-2010 21:07
Re:Podospora-Dans les excréments de chien.
Esporas avec lugol
Pablo Chacón,
16-02-2010 21:09
Re:Podospora-Dans les excréments de chien.
otro
David Malloch,
16-02-2010 21:26
Re:Podospora-Dans les excréments de chien.
Hello Pablo,
Nice pictures!
This looks more like Sordaria fimicola to me. Are you sure the spores have a second hyaline cell? If it is S. fimicola the spores will be unicellular and surrounded by a gelatinous envelope. This may be visible in your third photograph.
Dog dung may be an unlikely place to find a species of Podospora. Species of Podospora are usually dispersed to vegetation where they can be eaten by herbivores. Carnivore dung is more likely to have insect-dispersed fungi like Sphaeronaemella, Chaetomium, Graphium, etc. However, dogs eat some grass and will sometimes have fungi like Podospora. Your Sordaria is probably one of these cases.
Dave
Nice pictures!
This looks more like Sordaria fimicola to me. Are you sure the spores have a second hyaline cell? If it is S. fimicola the spores will be unicellular and surrounded by a gelatinous envelope. This may be visible in your third photograph.
Dog dung may be an unlikely place to find a species of Podospora. Species of Podospora are usually dispersed to vegetation where they can be eaten by herbivores. Carnivore dung is more likely to have insect-dispersed fungi like Sphaeronaemella, Chaetomium, Graphium, etc. However, dogs eat some grass and will sometimes have fungi like Podospora. Your Sordaria is probably one of these cases.
Dave
Pablo Chacón,
16-02-2010 21:29
Re:Podospora-Dans les excréments de chien.
Je pense que ce sont l'ornement des poils perithecial
David Malloch,
16-02-2010 21:40
Re:Podospora-Dans les excréments de chien.
Those may be periphyses that have come from inside the neck
Pablo Chacón,
16-02-2010 21:46
Re:Podospora-Dans les excréments de chien.
Hi Dave,
Not exactly what you ask me. spores attached a photo of the deck broken, I think the pressure of the coverslip.
Thank you very much
Not exactly what you ask me. spores attached a photo of the deck broken, I think the pressure of the coverslip.
Thank you very much
Jacky Launoy,
16-02-2010 22:01
Re:Podospora-Dans les excréments de chien.
Pablo,
essayer également Sordaria lappae Potebnia. Normalement sur fumier d'herbivores mais également sur fumier de carnivores. Vos dimensions correspondent avec la description dans Doveri page 830
essayer également Sordaria lappae Potebnia. Normalement sur fumier d'herbivores mais également sur fumier de carnivores. Vos dimensions correspondent avec la description dans Doveri page 830
Pablo Chacón,
16-02-2010 22:29
Re:Podospora-Dans les excréments de chien.
Hola Jacky,
Ellis&Ellis cité dans les excréments de chien a Sordaria lappae.
Je n'ai pas de documentation, pouvez-vous s'il vous plaît envoyez-moi Doveri.
Merci
Ellis&Ellis cité dans les excréments de chien a Sordaria lappae.
Je n'ai pas de documentation, pouvez-vous s'il vous plaît envoyez-moi Doveri.
Merci
Peter Welt,
17-02-2010 18:13
Re:Dans les excréments de chien
This is clearly a species of Sordaria. Dave is right that Podospora probably not present in dog feces. The related genus Schizothecium, especially Sch. tarasporum already. Because of the way I would define myself but not 100%. For this we need the width of the spores and the assessment of the gelatinous envelope. Probably it is more of Sordaria humana, because this species has a wide host range.
Peter
Peter
Pablo Chacón,
17-02-2010 18:43
Re:Dans les excréments de chien
What is it? the assessment of the gelatinous envelope.
Sorry for not giving the width, Spores 20-23 X 15-17 microns
The measures are more akin to Sordaria humana.
Pablo
Sorry for not giving the width, Spores 20-23 X 15-17 microns
The measures are more akin to Sordaria humana.
Pablo
Peter Welt,
17-02-2010 19:27
Re:Dans les excréments de chien
Hi Pablo,
Better perhaps gelantinous perisporium. Nice to see on the photo. Now I'm sure that's Sordaria humana.
Peter
Better perhaps gelantinous perisporium. Nice to see on the photo. Now I'm sure that's Sordaria humana.
Peter
Pablo Chacón,
17-02-2010 19:51
Re:Dans les excréments de chien
Hi Peter,
Ok, Thanks,
If I observe in my spores the gelantinous perisporium.
Pablo.
Ok, Thanks,
If I observe in my spores the gelantinous perisporium.
Pablo.