BISC209/S10:Schedule

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Wellesley College-BISC 209 Microbiology -Spring 2010


BISC209 S10 Lab Calendar

Monday Tuesday Wednesday Thursday Friday
Jan.25 Jan. 26
Lab 1
Jan. 27
Lab 1
Jan. 28 Jan. 29
Feb. 1 Feb. 2
Lab 2
Feb. 3
Lab 2
Feb. 4 Feb. 5
Feb. 8 Feb. 9
Lab 3
Feb. 10
Lab 3
Feb. 11 Feb. 12
Feb. 15
President's
Day
Feb. 16
Monday
schedule
NO LAB
Feb. 17
NO LAB
Feb. 18 Feb. 19
Feb. 22 Feb. 23
Lab 4
Feb. 24
Lab 4
Feb. 25 Feb. 26
Mar. 1 Mar. 2
Lab 5
Mar. 3
Lab 5
Mar. 4 Mar. 5
Mar. 8 Mar. 9
Lab 6
Mar. 10
Lab 6
Mar. 11 Mar. 12
Mar. 15 Mar. 16
Lab 7
Mar. 17
Lab 7
Mar. 18 Mar. 19
Mar. 22
Spring Break
Mar. 23
Spring Break
Mar. 24
Spring Break
Mar. 25
Spring Break
Mar. 26
Spring Break
Mar. 29 Mar. 30
Lab 8
Lab Practical
Mar. 31
Lab 8
Lab Practical
Apr. 1 Apr. 2
Apr. 5 Apr. 6
Lab 9
Data analysis
Apr. 6
Lab 9
Data Analysis
Apr. 7 Apr. 8
Apr. 12 Apr. 13
Lab 10
Conference
Apr. 14
Lab 10
Conference
Apr. 15 Apr. 16
Apr. 19
Patriots' Day
NO LAB
Apr. 20
Lab 11
Presentations
Apr. 21
Lab 11
Presentations
Apr. 22
Monday Schedule
Apr. 23
Apr. 26 Apr. 27
NO Lab
Apr. 28
Rhulman
NO Lab
Apr. 29 April 30
May 3 May 4
Lab 12
Paper Due
May 5
Lab 12
Paper Due
May 6
Last day of
classes
April 30

Assignments

BISC110 Assignments/ Weekly Lab Planner

Lab # LAB DATES__ IN LAB WORK________ OUTSIDE OF LAB WORK________ Assignment/Notes
1 Tues. 1/26-
Wed. 1/27
Introduction to Microbiology Lab

Lab Safety
Boot camp: Tools and Techniques of Microbiologist: Aseptic Transfer, Streaking for Isolation, Making a bacterial Smear, Gram Stain, Microscopy
Intro to Microbial Diversity Project:
Tour greenhouse, pick habitat

Homework: Read reference articles on selecting/enriching for particular soil bacteria & on soil bacteria in your habitat. References posted to the Lab First Class conference (Reference Folder)
Read all of Lab 2 & outline or make flow diagrams for your lab work
Answer the Questions found at the end of LAB 1 and turn them in at the beginning of Lab 2
2 Tues. 2/2-
Wed. 2/3
Soil sampling in Greenhouse habitat
Begin culture of soil organisms on selective, differential and enrichment media
Standard Plate Count of Culturable Soil Organisms
Genomic DNA isolation for Non-Culturable Bacterial ID
Check on your soil bacterial enrichment and selection cultures; Assess your isolation streaking; check on your plate count plates and move any in danger of overgrowing to cold room Homework Search the web for photos of colonies of desired bacteria;
Research morphology of likely members found in your soil community, differentiating metabolic needs or capabilities used for culture, habitat range, and role in the soil or in the environment of these desired groups of bacteria: cellulolytic, Actinomycetes such as the Streptomyces, Bacillus species, Fruiting myxobacteria, Gliding bacteria such as Beggiotoa, Azotobacter, Aerobic methanol oxidizers, Sulfur oxidizers, Nitrosomonas, and Nitrobacter
3 Tues. 2/9-
Wed. 2/10
Identification of Unculturable Bacterial by 16S rDNA sequencing: Assess success of soil DNA isolation using Nanodropper to measure DNA conc.; Dilute or conc. DNA isolate to 100ng/μL;
PCR Amplification of 16S rDNA with "universal" bacterial primers and proofreading polymerase
PCR product clean-up

Isolation of Culturable Bacteria: Complete Standard Plate Count counting & calculation
Continue selection, isolation, identification of desired bacteria

Check on cultures and continue isolation Homework: Write up your procedure for genomic DNA isolation and amplification of 16S rDNA from a soil sample as a Materials & Methods section for your final scientific paper. Use the information in the Methods section in the "How to Write a Paper in Scientific Style" handout found in the Resources section of the wiki and/or model your protocol descriptions like those in the journal articles in the References folder on the First Class Lab Conference.
4 Tues. 2/23-
Wed. 2/24
Run gel on PCR from last time

Clone 16s rDNA using TOPO dna cloning kit and MBL lab 12 to complete transformation incubate overnight in plates (see mbl protocol)


Cultures: Examine and pick 3 isolated colonies (if needed) additional technniques:

ID from secondary cultures (Steubing protocol): on real unknown Techniques: repeat all stains from week before: at least - simple stain (3 pure colonies) gram stain etc (and be sure all stains from week 3 are performed).


make stocks from (3) isolated cultures- make 2 fresh slants per organism (each person)

Introduce:

stains and microscopy: on control stock orgs. -negative stain (for capsules) -acid fast -endospore

Homework: Write the Introduction section of your final paper. Use the Introduction section of the "How to Write a Scientific Paper" handout found in the Resources section of the wiki and model your protocol descriptions like those in the journal articles in the References folder on the First Class Lab Conference. You will need to cite sources in the Name/Year style of the journal Cell. See the Wellesley library e-data base for recent issues of this journal to use as models for your citations.
5 Tues. 3/2-
Wed. 3/3
Select 2 clones and put in 96 well plates (how? protocol ends here) and send them out? where? How long?

UNKNOWN - using stock (1-2 or 3 made) make 2 more stock slants

Techniques: all stains: on unknowns (2-3) capsule endospore acid fast etc

Homework:
6 Tues.3/9. -
Wed. 3/10
Unknown:

Physical:

Sterbing lab (9-15) soft agar deeps for motility wet mounts for motility oxygen requirements Thioglyocallate and TSA Selective and differential medial Temp optimum osmotic effect and ph optimum

Homework:
7 Tues. 3/16-
Wed. 3/17
Metabolic tests (Steubing 16-27) Homework:
8 Tues. 3/30-
Wed. 3/31
Metabolic tests

Antibiotic sensitivity


Homework:
9 Tues. 4/6-
Wed. 4/7
analysis of rDNA:

practice exercise in lab


Optional complete/redo any tests not completed

Homework:
10 Tues. 4/13-
Wed. 4/14
lab practical Homework: .
11 Tues. 4/20-
Wed. 4/22
Poster presentation in groups by habitat sampled Homework:
12 Tues. 5/4-
Wed. 5/5
individual data analysis/writing conferences


End of lab


Links to Labs

Lab 1
Lab 2
Lab 3
Lab 4
Lab 5
Lab 6
Lab 7
Lab 8
Lab 9
Lab 10
Lab11
Lab 12