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Phytophthora infestans

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cellular organisms - Eukaryota - stramenopiles - Oomycetes - Peronosporales - Phytophthora - Phytophthora infestans

Phytophthora infestans is heterothallic (sexes reside in different individuals) oomyctete (water mold). For a long time oomycetes were considered as close relatives of Fungi such as ascomyctetes (various molds, yeasts) and basidiomycetes (mushrooms, rusts and others). However, studies of metabolism, cell wall composition, and rRNA sequence indicate that oomycetes are more properly grouped with chrysophytes, diatoms, and brown algae.

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Brief facts

Hosts of Phytophthora infestans

Phytophthora infestans life cycle

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Developmental stages

The organism is diploid on all stages of its life cycle, with the exception of haploid nuclei formed within gametangia during sexual reproduction.


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Mating types

P. infestans is heterophalic, i.e., two mating types are present.

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