Phytophthora mirabilis Galindo & Hohl (1986)

Galindo AJ and Hohl HR. 1985. Phytophthora mirabilis a new species of Phytophthora. Sydowia 38: 87–96 (p 95).

Mycobank

MB128307

Etymology

named for the host range restricted to Mirabilis jalapa

Typification

Type: MEXICO, collected from Mirabilis jalapa near Texcoco, Central Plateau, by H.R. Hohl, Oct. 1985, Type M10, CBS 678.85

Ex-type: CBS 678.85

Sequences for ex-type in original manuscript: AF266777, FJ801821

Ex-type in other collections

CBS 678.85 (M10) = ATCC 64071, ATCC 64130, P3008 (WOC/WPC), Hohl NR 190, CPHST BL 25 (Abad)

Voucher sequences for barcoding genes (ITS rDNA and COI) of the ex-type (see Molecular protocols page)

Phytophthora mirabilis isolate CPHST BL 25 (= P3008 WPC) = ITS rDNA MG865541, COI MH136934

Sequences for ex-type in other sources

• NCBI: Phytophthora mirabilis CPHST BL 25 
• NCBI: Phytophthora mirabilis P3008
• NCBI: Phytophthora mirabilis CBS 678.85
• Phytophthora Database: Phytophthora mirabilis PD_xxx (= P3008 WPC) N/A GA 6/20/14
• EPPO-Q-bank: Phytophthora mirabilis CBS 678.85
• BOLDSYSTEMS: Phytophthora mirabilis (barcoding COI & ITS)

Position in ITS phylogenetic tree

Clade 1c

Colonies and cardinal temperatures

Colony morphology on CMA and PDA with no distinct pattern, V8 very low growth. Minimum temperature for growth 6°C, optimum 18°C, and maximum 24°C.

Asexual phase

Sporangia semipapillate; caducous with short pedicels; limoniform, ellipsoid, ovoid, obpyriform, obovoid (18–59 L x 9–19 W µm) sometimes with tapered bases; originated in compound sympodial sporangiophores. Hyphal swellings absent. Chlamydospores absent.

Sexual phase

Heterothallic. Oogonia smooth-walled, globose (25–50 µm diam.) sometimes with tapered bases; antheridia amphyginous; oospores plerotic and aplerotic.

Specimen(s) evaluated

Phytophthora mirabilis ex-type CPHST BL 25, duplicate of P3008 (World Phytophthora Collection)

Notes: According to Goodwin et al. (1999), the name Phytophthora infestans var. mirabilis was published by Servin in 1958, but we could not locate the publication, and could not confirm that this name was validly published.

Distribution: North America (Mexico)
Substrate: leaves
Disease note: leaf blight
Host: Mirabilis jalapa (Nyctaginaceae)

Retrieved January 31, 2018 from U.S. National Fungus Collections Nomenclature Database.

• Phytophthora DATABASE: Phytophthora mirabilis
• EPPO-Q-bank: Phytophthora mirabilis
• SMML USDA-ARS: Phytophthora mirabilis
• EPPO Global Database: Phytophthora mirabilis
• CABI Invasive Species Compendium: Phytophthora mirabilis
• Encyclopedia of Life (EOL): Phytophthora mirabilis
• Index Fungorum (IF): Phytophthora mirabilis
• Plantwise Knowledge Bank: Phytophthora mirabilis

• Google All Phytophthora mirabilis
• Google Images Phytophthora mirabilis
• Google Scholar Phytophthora mirabilis

Fact sheet author

Z. Gloria Abad, Ph.D., USDA-APHIS-PPQ-S&T Beltsville Laboratory, United States of America