lecture notes-microbiology-4-Eucaryotes-yeast-mold-algae

lecture notes-microbiology-4-Eucaryotes-yeast-mold-algae -...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Eucaryotes - Fungi: yeast and mold - Algae
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Eucaryotes Fungi Fungi are heterotrophs which need to take nutrients from the environment for living. They are larger than bacteria.
Background image of page 2
Fungi Two major groups are yeast and mold .
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Yeast Yeasts are very important economically: - Yeasts are responsible for fermentation of beer and bread. ( Saccharomyces cerevisiae ) - Ethanol production - Wastewater treatment: a mixed culture of yeasts Candida lipolytic Candida tropicalis, and Yarrowia lipolytica grown on hydrocarbons, or gas oil.
Background image of page 4
Yeast Yeasts are very important economically: - Yeasts and Bacterium xylinum cultures produce Kombucha, fermented sweetened tea. Yeasts: e.g. Brettanomyces bruxellensis, Candida stellata, Schizosaccharomyces pombe
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Yeast http://www.sbs.utexas.edu/mycology/sza_images_SEM.htm
Background image of page 6
Eucaryotes-Fungi Yeast is single-celled. Size : yeasts are 5 to 10 µm in diameter. Shape : spherical, cylindrical or oval. Reproduction : asexual and sexual.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Eucaryotes-Fungi Yeasts Reproduction : asexual and sexual. Asexual reproduction is by either budding or fission. Budding: a small bud cell forms on the cell, which gradually enlarge and separate from the mother cells. Most of the yeasts reproduce by budding. Baker’s yeast, Saccharomyces cerevisiae .
Background image of page 8
Budding Budding
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Yeast Budding http://www.sbs.utexas.edu/mycology/sza_images_SEM.htm
Background image of page 10
Yeast Reproduction Asexual: Fission: similar to budding but the cells grow to
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 26

lecture notes-microbiology-4-Eucaryotes-yeast-mold-algae -...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online