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<li><a href="../Team:Georgia_State/Description">- Description</a></li> | <li><a href="../Team:Georgia_State/Description">- Description</a></li> | ||
<li><a href="../Team:Georgia_State/Design">- Design</a></li> | <li><a href="../Team:Georgia_State/Design">- Design</a></li> | ||
+ | <li class="active"><a href="../Team:Georgia_State/Culturing">- Culturing</a></li> | ||
<li><a href="../Team:Georgia_State/Notebook">- Notebook</a></li> | <li><a href="../Team:Georgia_State/Notebook">- Notebook</a></li> | ||
<li><a href="../Team:Georgia_State/Protocols">- Protocols</a></li> | <li><a href="../Team:Georgia_State/Protocols">- Protocols</a></li> | ||
<li><a href="../Team:Georgia_State/Results">- Results</a></li> | <li><a href="../Team:Georgia_State/Results">- Results</a></li> | ||
+ | <li><a href="../Team:Georgia_State/AlgaeObservations">- Algae Observations</a></li> | ||
<li><a href="../Team:Georgia_State/Hardware">- Hardware</a></li> | <li><a href="../Team:Georgia_State/Hardware">- Hardware</a></li> | ||
− | <li | + | <li><a href="../Team:Georgia_State/Model">- Model</a></li> |
</ul> | </ul> | ||
</li> | </li> | ||
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+ | <section class="testimonial-area section-padding-top-80"> | ||
+ | <div class="container"> | ||
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+ | <div class="col-12"> | ||
+ | <div class="row justify-content-center"> | ||
+ | <!-- Single Portfolio Item --> | ||
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+ | <div class="akame-portfolio-single-item"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/c/cd/T--Georgia_State--culturing1.jpeg" alt="" height="150" width=150> | ||
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+ | <div class="col-12 col-sm-6 col-lg-4 akame-portfolio-item GSU mb-30 wow fadeInUp" data-wow-delay="200ms" style="visibility: visible; animation-delay: 200ms; animation-name: fadeInUp;"> | ||
+ | <div class="akame-portfolio-single-item"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/6/6c/T--Georgia_State--culturing2.jpeg" alt="" height="150" width="150"> | ||
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+ | <section class="bg-gray section-padding-80-0"> | ||
+ | <div class="container"> | ||
+ | <h4>Introduction to our Algae</h4> | ||
+ | <br> | ||
+ | <p style="text-align:center">Our 3 algae, <i>Symbiodinium microadriaticum, Oxyrrhis marina,</i> and <i>Dunaliella tertiolecta,</i> were obtained from Bigelow Laboratory.</p> | ||
+ | <div class="row"> | ||
+ | <div class="col-4"> | ||
+ | <div class="row" id="pics"> | ||
+ | <div class="col"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/d/d5/T--Georgia_State--cul1.png" height="150" width="150"> | ||
+ | </div> | ||
+ | <div class="col"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/1/1a/T--Georgia_State--cul2.png" height="150" width="150"> | ||
+ | </div> | ||
+ | </div> | ||
+ | </div> | ||
+ | <div class="col-8"> | ||
+ | <p><i>Symbiodinium microadriaticum</i> is the photosynthetic algal symbiont of corals and was grown as our target algae to be modified and eventually reintroduced into bleaching coral. We aimed to try several different transformation methods in hopes that we could standardize a successful transformation protocol that has not been fully done for this dinoflagellate. | ||
+ | </p> | ||
+ | </div> | ||
+ | </div> | ||
+ | <br> | ||
+ | <div class="row"> | ||
+ | <div class="col-10"> | ||
+ | <p><i>Oxyrrhis marina</i> is a heterotrophic algae that our lab cultivated as a starting point for the initial stages of algal transformation as this dinoflagellate did have a successful transformation referenced in <i>Nuclear gene transformation in a dinoflagellate</i> (Sprecher, Zhang, and Lin 2019). <i>O. marina</i> was viewed as a control in which the transformation within the article was to be replicated. If the transformation results were achieved effectively, we would modify the protocol towards the Symbiodinium. Compared to <i>S. Microadriaticum, O. Marina</i> appears to be more resilient and less particular with its living conditions. | ||
+ | </p> | ||
+ | </div> | ||
+ | <div class="col2"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/c/c7/T--Georgia_State--cul3.png" height="150" width="150" style="float:center"> | ||
+ | </div> | ||
+ | </div> | ||
+ | <br> | ||
+ | <div class="row"> | ||
+ | <div class="col-2"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/f/fb/T--Georgia_State--cul4.png" height="150" width="150" style="float:right"> | ||
+ | </div> | ||
+ | <div class="col-10"> | ||
+ | <br><br><p><i>Dunaliella tertiolecta</i> was grown for the sole purpose of sustenance for <i>O. marina</i>. Like <i>Symbiodinium microadriaticum</i>, this algae is photosynthetic and requires sunlight.</p> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <br> | ||
+ | |||
+ | |||
+ | <h4>How did we culture?</h4> | ||
+ | |||
+ | <!--<img src="pic6.png" alt="..." height="150" width="150" style="float:center">--> | ||
+ | |||
+ | <br> | ||
+ | |||
+ | <p>Initially, we began testing out different medias in different volumes to see which media of a specific amount would most effectively sustain and grow the algae. For all three algae, volumes of 10 mL, 25 mL, and 75 mL of each media (ASP-8A, L1 Medium, f/2 Medium, and L1+f/2 Medium) were used to sustain the algae. </p> | ||
+ | <ul> | ||
+ | <li>1 mL of stock Bigelow algae culture was added into 9 mL of media to make the 10 mL cultures. | ||
+ | </li> | ||
+ | <li>2 mL of stock Bigelow algae culture was added into 25 mL of media to make the 25 mL cultures | ||
+ | </li> | ||
+ | <li>3 mL of stock Bigelow algae culture was added into 75 m of media to make the 75 mL cultures. | ||
+ | </li> | ||
+ | </ul> | ||
+ | <br> | ||
+ | |||
+ | <p>Observations such as movements, patterns, concentration, appearance, and behavior were recorded. Over a course of several weeks, it appeared that the cultures grew more efficiently within the 75 mL flasks. As for the preference of media, <i>S. microadriaticum</i> favored the ASP-8A media out of all the tested medias. <i>O. marina</i> had a preference within the f/2 medium and ASP-8A media. However, a problem arose when they were fed <i>D. tertiolecta</i> within the ASP-8A media as the photosynthetic algae would eventually overgrow alongside its predators making isolation of <i>O. marina</i> problematic. In addition, when the overgrowth of <i>D. tertiolecta</i> was left unattended for a couple of weeks, the <i>O. marina</i> were outcompeted and could no longer be seen within their initial flask. For that reason, f/2 medium was chosen to grow the <i>O. marina</i> transformation cultures. Lastly, <i>D. tertiolecta</i> grew substantially within the ASP-8A media out of the four, but because we decided to grow the <i>O. marina</i> in f/2 medium, <i>D tertiolecta</i> was grown within f/2 medium as the avoid mixing media. | ||
+ | </p> | ||
+ | <div class="row"> | ||
+ | <div class="col"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/6/66/T--Georgia_State--cul6.png" height="300" width="300"> | ||
+ | </div> | ||
+ | <div class="col"> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/6/6a/T--Georgia_State--cul7.png" alt="..." height="300" width="300" style="margin-left:200px"> | ||
+ | </div> | ||
+ | </div> | ||
+ | <p>Afterwards, a quantitative analyzation of just Oxyrrhis marina and Symbiodinium microadriaticum was conducted to evaluate factors such as lighting and temperature that would influence their growth. For these observations, four cultures (S. microadriaticum in ASP-8A media and f/2 medium and O. marina in filtered, autoclaved seawater and f/2 medium) were placed within a hood with regulated lights and another four were placed by the window with solar light. Using a photometer and thermometer, the light intensity and temperature of the two environments were documented alongside the concentrations of each of the four cultures to analyze their growth patterns. | ||
+ | </p> | ||
+ | <img src="https://static.igem.org/mediawiki/2019/c/c4/T--Georgia_State--cul8.png" height="100" width="100" class="center"><br> | ||
+ | <p>Looking over the data, Symbiodinium grew faster with the regulated lights. While Oxyrrhis grew only slightly better under regulated lights, it seemed to not have much of a preference. | ||
+ | </p> | ||
+ | </section> | ||
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<section class="akame-service-area"> | <section class="akame-service-area"> | ||
<div class="welcome-slides owl-carousel"> | <div class="welcome-slides owl-carousel"> | ||
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− | <div class="single-goodbye-slide bg-img" style="background-image: url(https://static.igem.org/mediawiki/2019/0/05/T--Georgia_State--footermap.png);"> | + | <!--<div class="single-goodbye-slide bg-img" style="background-image: url(https://static.igem.org/mediawiki/2019/0/05/T--Georgia_State--footermap.png);"> |
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Latest revision as of 03:46, 22 October 2019
![](https://static.igem.org/mediawiki/2019/c/cd/T--Georgia_State--culturing1.jpeg)
![](https://static.igem.org/mediawiki/2019/6/6c/T--Georgia_State--culturing2.jpeg)
Introduction to our Algae
Our 3 algae, Symbiodinium microadriaticum, Oxyrrhis marina, and Dunaliella tertiolecta, were obtained from Bigelow Laboratory.
![](https://static.igem.org/mediawiki/2019/d/d5/T--Georgia_State--cul1.png)
![](https://static.igem.org/mediawiki/2019/1/1a/T--Georgia_State--cul2.png)
Symbiodinium microadriaticum is the photosynthetic algal symbiont of corals and was grown as our target algae to be modified and eventually reintroduced into bleaching coral. We aimed to try several different transformation methods in hopes that we could standardize a successful transformation protocol that has not been fully done for this dinoflagellate.
Oxyrrhis marina is a heterotrophic algae that our lab cultivated as a starting point for the initial stages of algal transformation as this dinoflagellate did have a successful transformation referenced in Nuclear gene transformation in a dinoflagellate (Sprecher, Zhang, and Lin 2019). O. marina was viewed as a control in which the transformation within the article was to be replicated. If the transformation results were achieved effectively, we would modify the protocol towards the Symbiodinium. Compared to S. Microadriaticum, O. Marina appears to be more resilient and less particular with its living conditions.
![](https://static.igem.org/mediawiki/2019/c/c7/T--Georgia_State--cul3.png)
![](https://static.igem.org/mediawiki/2019/f/fb/T--Georgia_State--cul4.png)
Dunaliella tertiolecta was grown for the sole purpose of sustenance for O. marina. Like Symbiodinium microadriaticum, this algae is photosynthetic and requires sunlight.
How did we culture?
Initially, we began testing out different medias in different volumes to see which media of a specific amount would most effectively sustain and grow the algae. For all three algae, volumes of 10 mL, 25 mL, and 75 mL of each media (ASP-8A, L1 Medium, f/2 Medium, and L1+f/2 Medium) were used to sustain the algae.
- 1 mL of stock Bigelow algae culture was added into 9 mL of media to make the 10 mL cultures.
- 2 mL of stock Bigelow algae culture was added into 25 mL of media to make the 25 mL cultures
- 3 mL of stock Bigelow algae culture was added into 75 m of media to make the 75 mL cultures.
Observations such as movements, patterns, concentration, appearance, and behavior were recorded. Over a course of several weeks, it appeared that the cultures grew more efficiently within the 75 mL flasks. As for the preference of media, S. microadriaticum favored the ASP-8A media out of all the tested medias. O. marina had a preference within the f/2 medium and ASP-8A media. However, a problem arose when they were fed D. tertiolecta within the ASP-8A media as the photosynthetic algae would eventually overgrow alongside its predators making isolation of O. marina problematic. In addition, when the overgrowth of D. tertiolecta was left unattended for a couple of weeks, the O. marina were outcompeted and could no longer be seen within their initial flask. For that reason, f/2 medium was chosen to grow the O. marina transformation cultures. Lastly, D. tertiolecta grew substantially within the ASP-8A media out of the four, but because we decided to grow the O. marina in f/2 medium, D tertiolecta was grown within f/2 medium as the avoid mixing media.
![](https://static.igem.org/mediawiki/2019/6/66/T--Georgia_State--cul6.png)
![...](https://static.igem.org/mediawiki/2019/6/6a/T--Georgia_State--cul7.png)
Afterwards, a quantitative analyzation of just Oxyrrhis marina and Symbiodinium microadriaticum was conducted to evaluate factors such as lighting and temperature that would influence their growth. For these observations, four cultures (S. microadriaticum in ASP-8A media and f/2 medium and O. marina in filtered, autoclaved seawater and f/2 medium) were placed within a hood with regulated lights and another four were placed by the window with solar light. Using a photometer and thermometer, the light intensity and temperature of the two environments were documented alongside the concentrations of each of the four cultures to analyze their growth patterns.
![](https://static.igem.org/mediawiki/2019/c/c4/T--Georgia_State--cul8.png)
Looking over the data, Symbiodinium grew faster with the regulated lights. While Oxyrrhis grew only slightly better under regulated lights, it seemed to not have much of a preference.