Microbiology power point
divadoll40I need help with identifying species?
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files (4)JaninaLee-Lab2-1UbiquityofMicroorganisms.docx
GroupLabPowerpoint-DianeZetina.pptx
UbiquityofmicrobessectionJL1.docx
- Ubiquityofmicrobespresentation.pptx
JaninaLee-Lab2-1UbiquityofMicroorganisms.docx
Janina Lee Lab 2-1 4-13-2020
Bacillus – large, white colonies. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Door Knob (left) / Nail (right)
Bacillus – large, white colony. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Mouth (left) / Phone (right)
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colony. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Environments – Phone (left) / Pit (right)
Sphingomonas – bright yellow colonies. Bacteria.
Zygomycetes – black reproductive spores. Fungus. Fuzzy growth.
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Laptop (left) / Cell Phone (right)
Sphingomonas – bright yellow colonies. Bacteria.
Streptomyces – white wrinkled colonies. Bacteria.
Bacillus – large, white colonies. Bacteria.
Environments – Elevator (left) / Trash (right)
Streptomyces – white wrinkled colony. Bacteria.
Sphingomonas – bright yellow colony. Bacteria.
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Back of ear (left) / Lash line (right)
Bacillus – large, white colonies. Bacteria.
Streptomyces – white wrinkled colony. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Environments – Men’s Toilet (left) / Right Cheek (right)
Staphylococcus – small, white colonies. Bacteria.
Environments – Right Tonsil (left) / Left Tonsil (right)
Question #2: Why do you think the specific types of exposure (air, hair, tabletop, etc.) were chosen for this exercise?
The environments were chosen because they typically have lots of different microbes living on them.
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GroupLabPowerpoint-DianeZetina.pptx
Ubiquity of Microbes
MCRO BIO 233 IK
Diane Zetina
Handprint
Bacillus mycoides (Bacteria) – spiral, webbed pattern.
Micrococcus luteus (Bacteria) – Bright yellow colonies.
Streptomyces (Bacteria) - wrinkled colonies, white.
Tonsils
Streptococcus (Bacteria) - Tiny, clear colonies, found in mouth and throat.
Cellphone/Armpit
Staphylococcus (Bacteria) - Small, white colonies.
Bacillus (Bacteria) - Large, white colonies.
Garden Soil
Penicillium (Fungi) - Blue-green in color.
Zygomycetes (Fungi) - Fuzzy growth, black reproductive spores.
Rhodotorula (Fungi) - Found in soil, orange-red color.
Bathroom floor/Bathroom faucet
Rhodotorula (Fungi) - Slimy, orange-red color, commonly found in water environments.
Streptomyces (Bacteria) - Clear/White, wrinkled colonies.
Miso and Kimchi
Bacillus (Bacteria) - Large, white colonies, live on plants and in soil.
Streptomyces (Bacteria) - White, wrinkled colonies, abundant in soil.
Rhodotorula (Fungi) - Slimy, orange-red color, found in soil.
Laptop and Cellphone
Staphylococcus (Bacteria) - small, creamy white colonies, can be found in things we commonly touch.
Zygomycetes (Fungi) - Fuzzy, black reproductive spores.
Bacillus (Bacteria) - Large, white colonies
Doorknob and Under Fingernail
Micrococcus luteus (Bacteria) - Bright, yellow colonies, lives on our skin.
Staphylococcus (Bacteria) - Small, creamy-white colonies, lives on skin.
Questions
Which environment/s had the most microbial growth? Why do you think that is? The garden soil is the environment that had the most microbial growth. I think it's because there's so many microbes being mixed with each other that will end up helping the plants grow and stay alive.
Which environment/s had the least microbial growth? Why do you think that is? I'd say that most of the agar plates had a microbial growth but if I had to choose to have the least microbial growth it would be the doorknob and cell phone. The doorknob might have not had many microbes because it could be cleaned often same thing with the cell phone.
Did any of the results surprise you? Why? Even though I know there's a bunch of microbes in garden soil I did not expect to see those results. I didn't think the agar plate would be filled with so many things. Another result that surprised me was the handprint. What surprised me was that there was a Bacillus mycoides growth since it's usually found in soil. The person could've had plants and been touching the soil.
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UbiquityofmicrobessectionJL1.docx
Ubiquity of microbes
Jacob Scarpetta
Lab Section JL
April 2022
Micrococcus luteus, tiny yellow colonies
This looked like a Bacillus bacterium, beige/white coloring
This is the most interesting growth among the various plates (in my unprofessional opinion). I googled around looking for a similar looking colony, but was unsuccessful
Could possibly be of the Penicillium variety, color is not blue/green so I am unsure
Rhizopus stolonifer, black bread mold (in this case black shoe mold)
Hard to define, but based on the color this could be Rhodotorula
Possibly Bacillus myocoides, bacterial strain that has spiral like growth
No growth! This is my groups plate; we swabbed an antimicrobial phone case that has clearly lived up to its claim!
This could be another colony of Bacillus, but it is a very distinct white, rather than a “clear white”
Micrococcus luteus
(large and slightly deformed) yellow coloring
Streptomyces, I love this colony! It looks like coral – very unusual shape/color
Bacillus, slimy looking white/grey colony
Micrococcus luteus, yellow bacterial colonies
Possibly Bacillus mycoides, looks like it is spiraling
This one is interesting! It looks as if two strains are growing atop each other, of the Bacillus family
Micrococcus luteus, pungent yellow bacterial colonies
Staphylococcus, teeny tiny white bacterial colonies
Another ethereal looking colony! I really enjoy these, but am unsure if it should be considered Bacillus mycoides
Micrococcus luteus, great example of the yellow bacterial colonies
Bacillus, ghostly white bacterial colony
Could be Bacillus mycoides, considering the “running edges”
This looks similar to the interesting colony in my first photo, but I think it may have eaten too much food… still unidentified
Micrococcus luteus, bright yellow bacterial colonies
Staphylococcus, tiny white bacterial colonies
I mention this area because the entire plate looks cloudy – could this be growth? I wonder if it’s a bacteria that is inhibiting the fungus from growing
Rhizopus stolonifera, black mold!
This looks like a Bacillus bacteria
I really want to consider this Bacillus mycoides, but I think it may be another species
Micrococcus luteus, yellow colonies
This may be another example of the fungus Rhodotorula
Lab Questions
1. Which environment/s had the most microbial growth? Why do you think that is?
Lillian tested her shoe and, unsurprisingly, that had by far the most growth. The plate looked like it was decomposing, it was very hard to distinguish between different strains due to the large amount of growth.
2. Which environment/s had the least microbial growth? Why do you think that is?
Within my group, Lelanie tested her screen protector which was marketed as antimicrobial. Surprisingly enough, the side of the plate that was swabbed with from a sample swab of that screen protector had no growth! It could be because of antimicrobial properties of the screen protector but I am unsure of what those may be – or if that is even that case.
4. Did any of the results surprise you? Why?
At first glance, the sample from my shoe shocked me that there was so much growth as I tend to wipe my shoes off, but as I thought about it, I do not go through any major disinfection processes, so my results make sense. Also, after seeing Lilian’s results I was much happier with mine
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JaninaLee-Lab2-1UbiquityofMicroorganisms.docx
Janina Lee Lab 2-1 4-13-2020
Bacillus – large, white colonies. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Door Knob (left) / Nail (right)
Bacillus – large, white colony. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Mouth (left) / Phone (right)
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colony. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Environments – Phone (left) / Pit (right)
Sphingomonas – bright yellow colonies. Bacteria.
Zygomycetes – black reproductive spores. Fungus. Fuzzy growth.
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Laptop (left) / Cell Phone (right)
Sphingomonas – bright yellow colonies. Bacteria.
Streptomyces – white wrinkled colonies. Bacteria.
Bacillus – large, white colonies. Bacteria.
Environments – Elevator (left) / Trash (right)
Streptomyces – white wrinkled colony. Bacteria.
Sphingomonas – bright yellow colony. Bacteria.
Bacillus – large, white colonies. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Environments – Back of ear (left) / Lash line (right)
Bacillus – large, white colonies. Bacteria.
Streptomyces – white wrinkled colony. Bacteria.
Staphylococcus – small, white colonies. Bacteria.
Sphingomonas – bright yellow colonies. Bacteria.
Environments – Men’s Toilet (left) / Right Cheek (right)
Staphylococcus – small, white colonies. Bacteria.
Environments – Right Tonsil (left) / Left Tonsil (right)
Question #2: Why do you think the specific types of exposure (air, hair, tabletop, etc.) were chosen for this exercise?
The environments were chosen because they typically have lots of different microbes living on them.
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