Podosphaera

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Podosphaera
Powderymildewwatermelon.jpg
Podosphaera fuliginea
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Leotiomycetes
Order: Erysiphales
Family: Erysiphaceae
Genus: Podosphaera
Kunze
Type species
Podosphaera myrtillina
Kunze
Species

See text

Synonyms [1]
  • AlbigoEhrh. ex Reum
  • DesetangsiaNieuwl.
  • EuoidiumY.S.Paul & J.N.Kapoor
  • KokkaleraPonnappa
  • LeucothalliaTrevis.
  • SphaerothecaLév.

Podosphaera is a genus of obligate biotrophic fungi in the family Erysiphaceae. [2] Species in this genus are plant pathogens, causing powdery mildew, notably on hops and cucurbits.

Contents

The section Podosphaera (formerly the genus Podosphaera) parasitizes woody plants, and about 90 % of its hosts belong to the Rosaceae. [3] The section Sphaerotheca (formerly the genus Sphaerotheca) is further divided into the subsections Sphaerotheca and Magnicellulatae. [3] Over 50% of the hosts of the former belong to the Rosaceae, whereas hosts of the Magnicellulatae are scattered among 40 plant families but not the Rosaceae. [3] In 2010 Takamatsu et al used ITS sequences and 28S rDNA to divide the genus into two, with clade 1 consisting of Podosphaera tridactyla (section Podosphaera) on Prunus spp. and subsection Magnicellulatae, and clade 2 consisting of the remainder of section Podosphaera and section Sphaerotheca. [3]

P. macularis is an economically important pathogen of hops; isolate HPM-609 was sequenced in 2023 and has a genome of 102.28Mbp with 6,954 genes. [4]

Species

References

  1. ↑ "Synonymy Current Name: Podosphaera Kunze". Index Fungorum. Retrieved 2020-10-08.
  2. ↑ Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. 13. Chicago, USA: The Field Museum, Department of Botany: 1–58.
  3. 1 2 3 4 Takamatsu, S.; Niinomi, S.; Harada, M.; Havrylenko, M. (18 June 2010). "Molecular phylogenetic analyses reveal a close evolutionary relationship between Podosphaera ( Erysiphales : Erysiphaceae ) and its rosaceous hosts". Persoonia - Molecular Phylogeny and Evolution of Fungi. 24 (1): 38–48. doi:10.3767/003158510X494596.
  4. ↑ "Info - Podosphaera macularis HPM-609 v1.0". U.S. Department of Energy Joint Genome Institute.


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