Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Zoopagomyceta
Divisio: Entomophthoromycota
Subdivisio: Entomophthoromycotina
Classis: Entomophthoromycetes
Ordo: Entomophthorales
Familia: Ancylistaceae
Genera: Ancylistes – Capillidium – Conidiobolus – Macrobiotophthora – Microconidiobolus – Neoconidiobolus
Name
Ancylistaceae Pfitzer, Monatsb. K. Preuss. Akad. Wiss. Berlin 1872: 398, 396 [rank] (“Ancylisteae”).
References
Primary references
Pfitzer, Monatsber. Königl. Preuss. Akad. Wiss. Berlin, 396, 1872
Additional references
Nie, Y., Yu, D.S., Wang, C.F., Liu, X.Y. and Huang, B., 2020. A taxonomic revision of the genus Conidiobolus (Ancylistaceae, Entomophthorales): four clades including three new genera. MycoKeys, 66, p.55. DOI: 10.3897/mycokeys.66.46575
Links
The Ancylistaceae are a family of fungi in the order Entomophthorales.[2] The family currently contains 3 genera: Ancylistes, Macrobiotophthora, Conidiobolus.[3] Capillidium was added in 2020,[4] it was once thought to be a sub-genus of Conidiobolus.[5] Microconidiobolus and Neoconidiobolus were also added in 2020.[6]
Brief taxonomic history
This family was originally an order thought to be included with the aquatic Phycomycetes and included members of Oomycota.[3] It was Helen Berdan,[7] who determined that Ancylistes belonged to order Entomophthorales.[8] Later, the Oomycetes were removed as were several zygomycete genera.[3]
Morphology
The mycelium is coenocytic or irregularly septate. The nuclei are small. During interphase, condense chromatin is absent, but a central nucleolus can be observed. The mycelium can become disjointed.[9] In Ancylistes, who are parasites of desmids (algae form), the hyphae grow toward the ends of the host. As the hyphae grow, branches that follow the groves between plates in the chloroplast are produced. Upon reaching the end, the hyphae grow toward the other end to completely encircle the chloroplast. Septa are produced progressively with segments containing many nuclei.[8] Conidia are produced singly on unbranched sporophores.[3] Like other members of Entomophthorales, conidia are forcibly discharged, which occurs through papillar eversion.[9] Zygospores are formed along the axis of conjugation[9] and can be angular in shape.[3]
Sexual Reproduction
Sexual reproduction results in the formation of a zygospore that functions as a resting spore.[9] The zygospore is formed by the fusion of gametangial cells or the scalariform fusion of hyphae.[3] Little is known about the zygospores.[9][3]
Ecology
The genus Ancylistes are parasites of desmids, a group of green algae.[8] Macrobiotophthora are parasites of tardigrades and nematodes.[3] The genus Conidiobolus are common saprobes and occasional parasites of vertebrates or insects.[9][3] Capillidium are also parasites of vertebrates or insects.
The most well known member is Conidiobolus coronatus, which is typically found in soils and parasitizing termites and aphids but has been known to infect mammals.[9]
References
Ernst Hugo Heinrich Pfitzer in Engler & Prantl, Monatsber. Königl. Preuss. Akad. Wiss. Berlin: 396 (1872)
"Ancylistaceae". Retrieved 2009-03-07.
"Ancylistaceae". Retrieved 2014-01-10.
Nie, Y. S.; Yu, D.; Wang, C.F.; Liu, X.Y.; Huang, B. (2020). "A taxonomic revision of the genus Conidiobolus (Ancylistaceae, Entomophthorales): four clades including three new genera". MycoKeys. 66: 55–81. doi:10.3897/mycokeys.66.46575. PMC 7136305. PMID 32273794.
"Ancylistaceae | Zygomycetes". zygomycetes.org. Retrieved 4 January 2023.
Gryganskyi, A.P.; Nie, Y.; Hajek, A.E.; Hodge, K.T.; Liu, X-Y.; Aadland, K.; Voigt, K.; Anishchenko, I.M.; Kutovenko, V.B.; Kava, L.; Vuek, A.; Vilgalys, R.; Huang, B.; Stajich, J.E. (2022). "The Early Terrestrial Fungal Lineage of Conidiobolus—Transition from Saprotroph to Parasitic Lifestyle". Journal of Fungi. 8 (8): 789. doi:10.3390/jof8080789. PMC 9409958. PMID 36012777.
Helen Berdan Mycologia, Vol. 30, No. 4 (Jul. - Aug., 1938), pp. 396-415
Sparrow, FK. 1960. Aquatic Phycomycetes. 2nd edition. The University of Michigan Press. Ann Arbor, Michigan.
Alexopoulos C.J, Mims C.W, Blackwell M. 1996. Introductory Mycology. 4th edition. John Wiley & Sons, Inc.
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