📅 Weekly Course Schedule¶
This schedule details the weekly topics, readings, lab exercises, and assignments for the 12-week undergraduate track.
🗺️ Week-by-Week Calendar¶
Week 0: Course Intro, FAIR Data, & Safety¶
- Topics & Focus: Introduction to astrobotany history; the importance of plants in closed-loop life support systems; introduction to the Open Science/FAIR data ethos.
- Required Readings:
- 🌱🚀 Grow Plants in Space
- Introduction to AstroBotany & Data Sharing
Week 1: Plant Growth Basics & Scientific Photography¶
- Topics & Focus: Principles of crop selection (microgreens); lighting parameters (PPFD, spectrum); setup and calibration of a scientific photography station.
- Required Readings:
- Stage I: Scientific Photography
- Space Biology Photography Guide
- Stage II: What's Your Favorite Microgreen?
- Table 2: Microgreen Growth Rates
- Practical Lab Activity: Assemble the photography station (contrasting background, scale bar, soft box lighting). Photograph a reference object and verify alignment. Select 2 microgreen varieties for the terrestrial growth experiment.
- Deliverable: Upload a calibrated reference photograph to your lab journal demonstrating proper scale bar placement and color balance.
Week 2: Terrestrial Microgreen Experiment Setup¶
- Topics & Focus: Germination biology; terrestrial growth media (soil vs. coconut coir vs. hydroponic mats); experimental controls and baseline parameter documentation.
- Required Readings:
- Stage III: Growth of Microgreens in Terrestrial Environments
- Green Area Index with PlantCV
- Practical Lab Activity: Plant seeds of your selected microgreens. Position trays under lights and capture Day 0 baseline photographs. Run basic PlantCV testing locally or on Colab.
- Deliverable: Complete the Day 0 setup entry, including exact species names, seeding density, lighting cycle, and initial photo.
Week 3: Tropisms & Gravitropic Reorientation¶
- Topics & Focus: Gravity perception in plants (statoliths, starch-statolith hypothesis, Cholodny-Went model); root vs. shoot tropisms; introduction to agar growth plates.
- Required Readings:
- Stage IV: Microgreen Development and Gravitropic Response
- Gravity and Mechanical Sensing in Plants
- Practical Lab Activity: Germinate seeds vertically on plant-based agar or wet filter paper in Petri dishes. On Day 3, rotate the plates 90 degrees and document the gravitropic reorientation kinetics at multiple intervals.
- Deliverable: Log reorientation images taken at T=0h, T=2h, T=6h, and T=24h post-rotation in your lab notebook.
Week 4: Image Processing & Root Architecture¶
- Topics & Focus: Image analysis theory; extracting quantitative metrics from plant biology photographs; computing Green Area Index (GAI) and root mapping algorithms.
- Required Readings:
- Measuring Root System Architecture
- Tools & Software
- Practical Lab Activity: Run your Week 3 reorientation photos through Fiji/SmartRoot or the PlantCV pipeline to extract root length, root tip angle, and hypocotyl growth rates.
- Deliverable: Submit a structured table containing raw phenotypic data (root angle and growth rate) extracted from your images.
Week 5: Statistics, Reproducibility, & Data Sharing¶
- Topics & Focus: Statistical analysis in plant biology (ANOVA, t-tests, standard error); data validation and ingestion; collaborative science tools.
- Required Readings:
- Assessment & Learning Gains
- Practical Lab Activity: Clean the group dataset, run an ANOVA or t-test comparing the gravitropic response rates of your varieties, and upload the finalized, formatted dataset to Epicollect5.
- Deliverable: Upload proof of your Epicollect5 data submission and paste the output of your statistical analysis (including p-values and graphs) in your lab journal.
Week 6: Midterm Project Proposals¶
- Topics & Focus: Writing research proposals; formulating hypotheses; experimental design variations (e.g., adding abiotic stress, light quality variations, or chemical treatments).
- Required Readings:
- Project Management Page
- Practical Lab Activity: Work in groups to draft your midterm proposals. Peer-review other groups' experimental designs and resource budgets.
- Deliverable: Submit your Midterm Independent Project Proposal (max 3 pages, including hypothesis, methods, safety checklist, and timeline).
Week 7: Plant Hormones & Tissue Cloning¶
- Topics & Focus: Plant hormones (auxin, cytokinin, gibberellin); tissue culture and callus induction; stem cell biology.
- Required Readings:
- Stage V: Auxin and Plant Cloning
- Practical Lab Activity: Prepare sterile growth medium containing auxin (2,4-D). Dissect microgreen seedlings under sterile conditions and place explants on callus induction medium.
- Deliverable: Log tissue setup details (sterilization workflow, hormone concentrations) and insert baseline microscope images of explants.
Week 8: Simulated Microgravity & Advanced Assays¶
- Topics & Focus: Clinostats and Random Positioning Machines (RPMs); physics of simulated microgravity; 3D root mapping challenges.
- Required Readings:
- Stage VI: Micro-Gravi-tropism Assays
- Practical Lab Activity: Mount petri dishes onto a 2D clinostat or RPM (such as the CoSE SciSpinner). Set rotation parameters and monitor growth adaptation overnight compared to vertical controls.
- Deliverable: Document simulated microgravity rotation rates, exposure times, and comparative root-curvature plots.
Week 9: Computational Biology & Modeling¶
- Topics & Focus: Functional-Structural Plant Modeling (FSPM); simulating auxin gradients; RNA-seq overview and transcriptomic analysis.
- Required Readings:
- Stage VII: Hormone Transport Modeling
- Stage VIII: Root Modeling
- Stage IX: Plant Modeling
- Stage X: Mining RNA-seq
- Stage XI: Mining Membrane-based Interactome Database
- Practical Lab Activity: Run computational models to simulate plant hormone transport and root water flow. Query spaceflight transcriptomics datasets using the databases linked in Stage X.
- Deliverable: Submit a modeling write-up illustrating how simulated cellular auxin transporter distributions affect root tip hormone concentration gradients.
Week 10: Student Project Work & Presentations¶
- Topics & Focus: Science communication; designing scientific slides; structuring arguments and conclusions from experimental data.
- Required Readings: None. Focus on analyzing individual project data.
- Practical Lab Activity: Analyze data collected from independent experiments (Unit 3). Assemble final presentation slides and present findings to the class.
- Deliverable: Submit your group's presentation slide deck (PDF or link).
Week 11: Final Reports & Future Directions¶
- Topics & Focus: Writing a scientific manuscript; career pathways in astrobotany, plant biology, and space sciences.
- Required Readings:
- Literature & References
- Practical Lab Activity: peer-review draft manuscripts, finalize figures, compile the collective course database.
- Deliverable: Submit your Final Laboratory Report (formatted as a scientific paper, including Abstract, Intro, Methods, Results, Discussion, and References).
🔗 Quick Links¶
- Course Syllabus: Grading rubrics, policies, and assessment details.
- Undergraduate Track Overview: Back to the track home page.