The Urocystidales are an
order of
fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...
within the class
Ustilaginomycetes
Ustilaginomycetes is the class of true smut fungi. They are plant parasites with about 1400 recognised species in 70 genera. They have a simple septum with a septal pore cap, this is different from Agaricomycotina which has a dolipore septum with ...
. The order contains 6
families
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideal ...
and about 400
genera. They are a sister order to
Ustilaginales
The Ustilaginales are an order of fungi within the class Ustilaginomycetes. The order contains 8 families, 49 genera, and 851 species.
''Ustinaginales'' is also known and classified as the smut fungi. They are serious plant pathogens, with onl ...
.
''Urocystidales'' is also known and classified as the smut fungi. They are serious plant
pathogen
In biology, a pathogen ( el, πάθος, "suffering", "passion" and , "producer of") in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ ...
s, ''
Urocystis'', is one of the representative genera of the order, it is an example of a smut genus that has a wide host range. The type species ''
Urocystis occulta'' , was described as a pathogen on rye (''
Secale cereale
Rye (''Secale cereale'') is a grass grown extensively as a grain, a cover crop and a forage crop. It is a member of the wheat tribe (Triticeae) and is closely related to both wheat (''Triticum'') and barley (genus ''Hordeum''). Rye grain is ...
''). They are found in marine and terrestrial environments. The aquatic members of the ''Doassansiopsis'' genera are found in the tropics or subtropics.
Morphology
They are distinguished from other fungi by the existence of
haustoria
In botany and mycology, a haustorium (plural haustoria) is a rootlike structure that grows into or around another structure to absorb water or nutrients. For example, in mistletoe or members of the broomrape family, the structure penetrates th ...
(root-like structure) and pores in the septa of soral hyphae.
[David J. McLaughlin and Joseph W. Spatafora (editors)][
]
Families
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideal ...
It was formed in 1997,[ and others were added such as ''Fereydouniaceae'' and ''Floromycetaceae'' in 2014 , and ''Mycosyringaceae'' in 2008.][
As accepted by ]GBIF
The Global Biodiversity Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet using web services. The data are provided by many institutions from around the ...
[
Note the DNA of family 'Doassansiopsidaceae'' has been studied.
]
Ecology
The leaves of the water-lily (''Nymphaea nouchali
''Nymphaea nouchali'', often known by its synonym ''Nymphaea stellata'', or by common names blue lotus, star lotus, red water lily, dwarf aquarium lily, blue water lily, blue star water lily or manel flower, is a water lily of genus '' Nympha ...
'') can be affected by the water-born fungi, ''Doassansiopsis nymphaea''.
The leaves of '' Caldesia parnassifolia'' (''Alisma reniforme'') can be affected by the water-born fungi, ''Doassansiopsis hydrophila'' (syn ''Doassansiopsis martianoffiana'').[B D Borse, K N Borse, S Y Patil, C M Pawara, L C Nemade and V R Patil ]
References
Other sources
*C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., ''Introductory Mycology, 4th ed.'' (John Wiley and Sons, Hoboken NJ, 2004)
{{Taxonbar, from=Q145853
Ustilaginomycotina
Fungal plant pathogens and diseases
Basidiomycota orders