Piromonas mae (J.L. Li) Doweld 2014
![FIG. 1. Cross section through the base of a prereleased zoospore of P. mae showing the flagellum (F) lying in a deep indentation of the cell, ribosomal aggregates (ra) and helices (rh), a megahydrogenosome (mh), and single hydrogenosomes (h). x 16 560. FIG. 2. Section through the nucleus of a prereleased zoospore of P. dumbonica showing the tubular hydrogenosomes (h) clustered near the kinetosome and the thickened nuclear envelope (arrows). x 1880. FIG. 3. A megahydrogenosome in a prereleased zoospore of P. mae. Note the various invaginations filled with cytoplasm and including ribosomes. x 50 850. FIG. 4. A microbody with several electron transparent lines at its periphery in P. dumbonica. x44 500. FIG. 5. Rough endoplasmic reticulum and free ribosomes in a prereleased zoospore of P. mae. x 44 500. FIG. 6. Two membrane stacks associated with a hydrogenosome in a zoospore of P. mae. x 67 800. FIG. 7. A membrane stack which is free in the cytoplasm in a zoospore of P. mae. x 67 800. FIG. 8. Early autophagic vacuole-like structures in a zoospore of P. mae. x 61 440. FIG. 9. Ribosomal aggregates embedded in an uniform substratum of unknown nature in a zoospore of P. dumbonica. x 61 440. © All rights reserved. [Image: ANA]](https://data.landcareresearch.co.nz/Image/ANA/SysPortalThumb)
![FIG. 10. Series of longitudinal sections through the kinetosome region of a zoospore of P. mae showing circumflagellar ring (cr), skirt (sk), scoop (sc), strut (st), connective (co), spur (sp), and posterior fan (pp. x 67 800. FIG. 11. Series of cross sections through the kinetosome region of a zoospore of P. mae,showing similar features to those seen in Fig. 10. The doublets are numbered in b. The three struts (st 1-3) are numbered. Note that there are probably one or two sections missing between sections g and h. x 67 800. © All rights reserved. [Image: ANB]](https://data.landcareresearch.co.nz/Image/ANB/SysPortalThumb)
![FIG. 1. Cross section through the base of a prereleased zoospore of P. mae showing the flagellum (F) lying in a deep indentation of the cell, ribosomal aggregates (ra) and helices (rh), a megahydrogenosome (mh), and single hydrogenosomes (h). x 16 560. FIG. 2. Section through the nucleus of a prereleased zoospore of P. dumbonica showing the tubular hydrogenosomes (h) clustered near the kinetosome and the thickened nuclear envelope (arrows). x 1880. FIG. 3. A megahydrogenosome in a prereleased zoospore of P. mae. Note the various invaginations filled with cytoplasm and including ribosomes. x 50 850. FIG. 4. A microbody with several electron transparent lines at its periphery in P. dumbonica. x44 500. FIG. 5. Rough endoplasmic reticulum and free ribosomes in a prereleased zoospore of P. mae. x 44 500. FIG. 6. Two membrane stacks associated with a hydrogenosome in a zoospore of P. mae. x 67 800. FIG. 7. A membrane stack which is free in the cytoplasm in a zoospore of P. mae. x 67 800. FIG. 8. Early autophagic vacuole-like structures in a zoospore of P. mae. x 61 440. FIG. 9. Ribosomal aggregates embedded in an uniform substratum of unknown nature in a zoospore of P. dumbonica. x 61 440. © All rights reserved. [Image: ANA]](https://data.landcareresearch.co.nz/Image/ANA/SysPortalPreview)
![FIG. 10. Series of longitudinal sections through the kinetosome region of a zoospore of P. mae showing circumflagellar ring (cr), skirt (sk), scoop (sc), strut (st), connective (co), spur (sp), and posterior fan (pp. x 67 800. FIG. 11. Series of cross sections through the kinetosome region of a zoospore of P. mae,showing similar features to those seen in Fig. 10. The doublets are numbered in b. The three struts (st 1-3) are numbered. Note that there are probably one or two sections missing between sections g and h. x 67 800. © All rights reserved. [Image: ANB]](https://data.landcareresearch.co.nz/Image/ANB/SysPortalPreview)
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Details
Piromonas mae (J.L. Li) Doweld, Index Fungorum
110 1 (2014)
Piromonas mae (J.L. Li) Doweld 2014
Nomenclature
(J.L. Li) Doweld
J.L. Li
Doweld
2014
1
ICN
species
Piromonas mae
Classification
Synonyms
Descriptions
Sporangium spherical, ovoid to elongate, 26-37 x 70-125 µm, frequently papillate, with elongate subsporangial swelling; rhizoid extensively branched, extending up to 240 µm; zoospore spherical to ovoid, 2.5-11.0 µm, usually uniflagellate, rarely more up to four flagella, flagella 20-30 µm long. Organelles in zoospore show weakly polarized distribution, with ovoid and spherical hydrogenosomes and nucleus in the posterior region and ribosomal aggregates in the anterior region. Zoospores contain megahydrogenosomes up to 4 µm in length. Circumflagellar rings show little tilt and do not have a C-shaped elongation. Ribosomal aggregates are always free in the cytoplasm, not embeded in homogeneous substratum.
Piromyces communi (Gold) aemulans, differt sporangiis papillatis et zoosporis megahydrogenosomaita continentibus. Intestinus equus habitat.
ETYMOLOGY: mae is named after Chinese for horse (ma) but does not necessarily imply fungus is exclusive to that host.
TYPE: Figs. 1, 3, 5-8, 10, 11, 15-16, 20-22, 25-30, 32.
Taxonomic concepts
Metadata
0caf2714-3815-4b1e-8451-ec75418e32ee
scientific name
Names_Fungi
2 February 2014
14 October 2015
