Bipolaris hawaiiensis

Bipolaris hawaiiensis is a fungal species belonging to the Bipolaris genus. It is known for its pathogenic characteristics, particularly in plants and occasionally in humans.

Taxonomy

The species is classified under the Ascomycota phylum, specifically in the Dothideomycetes class. It is a member of the Pleosporales order, which is one of the largest orders of Ascomycota. The genus Bipolaris is characterized by its dark, septate hyphae and conidia that are typically brown and multicellular.

Pathogenicity

Bipolaris hawaiiensis is a common pathogen of various plant species, causing diseases such as leaf spot and root rot. It is also known to cause human diseases, particularly in immunocompromised individuals. The fungus can cause phaeohyphomycosis, a disease characterized by the presence of dark-walled hyphae in the tissues.

Identification

The identification of Bipolaris hawaiiensis is typically done through microscopy. The fungus produces dark, multicellular conidia that are typically curved or sigmoid in shape. The conidia are borne on dark, septate conidiophores.

Treatment and Control

Control of Bipolaris hawaiiensis in plants typically involves the use of fungicides and cultural practices such as crop rotation and sanitation. In humans, treatment usually involves antifungal medications.

See Also

• Bipolaris sorokiniana
• Bipolaris maydis
• Bipolaris oryzae