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Classification[edit] Domain; Phylum; Class; Order; Family [Others may be used. Use NCBI link to find] Genus Species[edit] Malassezia Globosa Kingdom: Fungi Phylum: Basidiomycota Class: Hymenomycetes Order: Tremellales Family: Filobasidiaceae Genus: Malassezia Species: Globosa NCBI: Taxonomy Genus species Description and Significance[edit] Malassezia globosa is a type of yeast whos habitat is within the human body. It is thought to be harmless because it adds to the overall health of a human, but it does have instances of being malicious. It is a circular fungi that with a microscopes help, can be seen in a large population in cells along with its spores. Genome[edit] The genome sequence is pictured by this link: https://www.ncbi.nlm.nih.gov/core/lw/2.0/html/tileshop_pmc/tileshop_pmc_inline.html?title=Click%20on%20image%20to%20zoom&p=PMC3&id=395553_emboj00072-0013-a.jpg Cell Structure, Metabolism and Life Cycle[edit] Like other eukaryotic organisms, the yeast cell has a well-organized nucleus bound in a membrane. Malassezia are the same due to their position as a fungi. The nucleus contains double-stranded chromosomes that pass along DNA during reproduction. Unlike plants, yeast are heterotrophs that do not have chlorophyll, a vascular system or a cell wall made of cellulose.The cell structure and function of yeast sets it apart from cells in plants, animals and bacteria. Yeast is a prolific, single-celled fungus that plays a major role in the food, beverage and pharmaceutical industry. When yeast cells are deprived of food, the cytoplasm in the cells becomes more acidic and proteins interact, causing the cytoplasm to become less fluid. Cell activity then slows to preserve the cell in the absence of an energy source. For instance, a package of dry yeast purchased at the store sits dormant until conditions for growth are right. Yeasts cells wake up in a hurry when a cook adds warm water and a bit of sugar Ecology and Known Roles in Symbiosis[edit] This microbe is found all over the human body. It plays a symbiotic role in digestion as well. It plays no role on the outside of our skin unless irritated. Once irritated it causes circular rashes in the skin and red sores that are painless. Its sister species however does play a crucial role in symbiotic cycles. This certain sister species of yeast emerges as hidden third partner in lichen symbiosis. Letharia vulpina, often found in Montana forests, is one of many lichen species worldwide that houses yeast as a third symbiotic partner. Fun Facts[edit] The importance of malassezia is that it is apart of every humans daily life. The average person will have about 10 million of them on heir scalp at a time. This fungi cause common skin rashes, which can be treated quickly. It causes dry scalp which affects many people. References[edit] [Sample reference] Bosch TCG, Guillemin K, McFall-Ngai M (2019) Evolutionary "Experiments" in Symbiosis: The Study of Model Animals Provides Insights into the Mechanisms Underlying the Diversity of Host-Microbe Interactions. BioEssays 41:1800256 https://en.wikipedia.org/wiki/Malassezia https://sciencing.com/parts-yeast-cell-8451459.html Author[edit] This page was authored by Sara Joyce Willis as part of the 2020 UM Study USA led by Dr. Erik Hom at the University of Mississippi.


This student page has not been curated.

MICROBE NAME

Classification

Domain: Fungi

Phylum: Basidiomycota

Class: Hymenomycetes

Order: Tremellales

Family: Malasseziaceae

Genus: Malassezia


Genus Species

NCBI: [1]

Genus species

Malassezia globosa


NCBI: [2]

Description and Significance

Malassezia globosa is a type of yeast whos habitat is within the human body. It is thought to be harmless because it adds to the overall health of a humans body, but it does have instances of being malicious. When stained the Malassezia globose are circular fungi that with a microscopes help, can be seen in a large population in cells along with its spores. Malassezia globosa are unicellular organisms apart of the fungi species. The shape is circular under a microscope but it is actually spherical shape. The spores are very small and are typically around 3 micrometers in diameter, and they reproduce through budding.

Genome

Cell Structure, Metabolism and Life Cycle

Ecology and Known Roles in Symbiosis

Fun Facts

References

Author

This page was authored by as part of the 2020 UM Study USA led by Dr. Erik Hom at the University of Mississippi.