JJDZ Soil: Difference between revisions
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==Author== | ==Author== | ||
Revision as of 15:09, 6 December 2017
Classification
- Domain: Bacteria
- Phylum: Proteobacteria
- Class: Gammaproteobacteria
- Order: Enterobacterales
- Family: Enterobacteriaceae
Species
- Escherichia coli
- NCBI Link: Escherichia coli Taxonomy: [1]
Habitat Information
- Soil Sample Location: Copperfield Park and Greenbelt - 1425 E Yager Ln, Austin, TX 78753
- Soil Collection Date & time: 9/7/2017 @ 10:00 AM
- Conditions Present at time of soil collection:
- No recent rain within past 48 hours
- Temperature was 71 degrees F
- Soil sample was retrieved at a depth of roughly 3 inches and about 6-8 inches from creek bed.
- Description of Area:
- Pond and creek area
- Moderate erosion
- Wildlife present (actually saw a coyote when collecting sample)
- Area was damp and wet (close to creek bed)
- Area gets roughly 1/2 day of sunlight everyday
Description and Significance
E. Coli is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium. [1]
- Colonial Appearance:
- Shape: Circular
- Margin: Entire
- Elevation: Raised
- Size: Punctiform, small
- Texture: Smooth
- Appearance: Shiny
- Pigmentation: Non-pigmented / colorless
- Optical Property: Translucent
Genome Structure
- E. coli has only one circular chromosome
- Escherichia coli strain S17-13, complete genome
Genes (total) :: 5,359
CDS (total) :: 5,234
Genes (coding) :: 4,987
CDS (coding) :: 4,987
Genes (RNA) :: 125
rRNAs :: 8, 7, 7 (5S, 16S, 23S)
complete rRNAs :: 8, 7, 7 (5S, 16S, 23S)
tRNAs :: 90
ncRNAs :: 13
NCBI Link: E. coli Strain S17-13: [2]
Cell Structure, Metabolism and Life Cycle
Interesting features of cell structure; how it gains energy; what important molecules it produces.
Physiology and Pathogenesis
[[Biochemical characteristics, enzymes made, other characteristics that may be used to identify the organism; contributions to environment (if any). If relevant, how does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms]]
References
Author
Page authored by Jennifer Jordan and Denise Zamarrippa, student of Prof. Kristine Hollingsworth at Austin Community College.
