Name: microinjection of a. aegypti embryos to obtain transgenic mosquitoes
Uploaded: 2007-07-04T00:00:00
Description: Watch this Scientific Journal Video about Microinjection of A. aegypti Embryos to Obtain Transgenic Mosquitoes at JoVE.com

<p class="jove_title"> Preparação antes da microinjeção </p><ol><li> Mosquitos alimentam de sangue: para injeção de segunda a sexta-feira fêmeas alimentam na quinta-feira anterior. </li><li> Prepare agulhas de vidro usando o programa de 3 ou 2 (ver Materiais). </li><li> Deitado de tubos para os embriões é Drosophila frasco de cultura. Algodão molhado no fundo, com um disco de papel de filtro molhado cobrindo-o. </li><li> Prepare lamínula de plástico furando a fita dupla face a um fim. Fita guarnição para cobrir deslizamento de mod...

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		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>1x Injection solution</td>
<td>Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>5mM KCl, 0.1mM sodium phosphate, ph 6. 8</td>
</tr>
<tr>
<td>Construct plasmid</td>
<td>DNA</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>0.5 mg/ml.  </td>
</tr>
<tr>
<td>Helper plasmid</td>
<td>DNA</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>0.3 mg/ml </td>
</tr>
<tr>
<td>EndoFree Plasmid kit</td>
<td>Kit</td>
<td>Qiagen</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Millex-GV column</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>SLGV RO4 NL</td>
<td>To clean DNA.</td>
</tr>
<tr>
<td>Glass puller</td>
<td>Instrument</td>
<td>Sutter Instrument Co</td>
<td>Model P-87</td>
<td>Heat-815, Pull-10, Vel-10, Time-100.
Heat-700, Pull-30, Vel-36, Time-50
</td>
</tr>
<tr>
<td>Quartz puller</td>
<td>Instrument</td>
<td>Sutter Instrument Co</td>
<td>Model P-2000</td>
<td>Heat-275, Fil-3, Vel-38, Del-250, Pull-141</td>
</tr>
<tr>
<td>Injection glass needles</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Prepared by drawing capillary tubing into a fine 3-8 um with a shaft of approximately 100-300 um micropipette puller. When the needle is new, the tip is sealed and usually breaks in the first or second injection or the glass needle tip can be beveled using a Brown type micro-pipette beveller (Sutter Instrument).</td>
</tr>
<tr>
<td>Aedes aegypti</td>
<td>Animal</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Male and female mosquitos, to obtain embryos.</td>
</tr>
<tr>
<td>Drosophila culture vial</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>For mosquito egg-laying.</td>
</tr>
<tr>
<td>Halocarbon oil</td>
<td>Reagent</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Oil for desiccation: Halocarbon oil 700:Halocarbon oil 27(1:1)</td>
</tr>
<tr>
<td>Forceps No5</td>
<td>Tool</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Fine paintbrush</td>
<td>&nbsp;</td>
<td>Sable</td>
<td>No. 0000</td>
<td>&nbsp;</td>
<tr>
<td>Whatman paper</td>
<td>Tool</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Microloader</td>
<td>Tool</td>
<td>Eppendorf</td>
<td>5242 956.003</td>
<td>&nbsp;</td>
<tr>
<td>Transjector</td>
<td>Tool</td>
<td>Eppendorf</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Microscope</td>
<td>&nbsp;</td>
<td>Leica</td>
<td>&nbsp;</td>
<td>With moving stage and micromanipulator.</td>
</tr>
<tr>
<td>3MM Whatman paper</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>double sided tape</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>		</tbody>
		</table>
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microinjection of a. aegypti embryos to obtain transgenic mosquitoes

<p class="jove_content">Neste vídeo, Nijole Jasinskiene demonstra a metodologia utilizada para gerar transgênicos mosquitos Aedes aegypti, que são vetores da dengue. As técnicas para preparar corretamente agulhas microinjeção, os embriões desidratantes, e realizando microinjeção são demonstradas.</p>

Watch this Scientific Journal Video about Microinjection of A. aegypti Embryos to Obtain Transgenic Mosquitoes at JoVE.com

Microinjection of A. aegypti Embryos to Obtain Transgenic Mosquitoes

Microinjeção de embriões A. aegypti obter mosquitos transgênicos

In this video, Nijole Jasinskiene demonstrates the methodology employed to generate transgenic Aedes aegypti mosquitoes, which are vectors for dengue ...

Research

JoVE Journal

Biology

Injection of An. stephensi Embryos to Generate Malaria-resistant Mosquitoes

Uma injeção de. Embriões stephensi para gerar malária resistente a mosquitos

The introduction of exogenous genes into the genomes of mosquitoes requires microinjection techniques tailored to the specific species of interest. This ...

Biologia

Protocol for Dengue Infections in Mosquitoes (A. aegypti) and Infection Phenotype Determination

Protocol for Dengue Infections in Mosquitoes A. aegypti and Infection Phenotype Determination

Protocolo para infecções por dengue em mosquitos (A. aegypti) e Determinação Fenótipo Infecção

The purpose of this procedure is to infect the Aedes mosquito with dengue virus in a laboratory condition and examine the infection level and dynamic of ...

Dissection of Midgut and Salivary Glands from Ae. aegypti Mosquitoes

Dissecção das glândulas salivares e intestino médio de Ae. aegypti mosquitos

The mosquito midgut and salivary glands are key entry and exit points for pathogens such as Plasmodium parasites and Dengue viruses. This video protocol ...

Building a Better Mosquito: Identifying the Genes Enabling Malaria and Dengue Fever Resistance in A. gambiae and A. aegypti Mosquitoes

Construção de uma melhor Mosquito: identificar os genes habilitação Malária e Dengue Febre Resistência em A. gambiae e A. aegypti mosquitos

In this interview, George Dimopoulos focuses on the physiological mechanisms used by mosquitoes to combat Plasmodium falciparum and dengue virus ...

Generation of Stable Transgenic C. elegans Using Microinjection

Geração de transgênicos Estável C. elegans Usando microinjeção

Transgenic Caenorhabditis elegans can be readily created via microinjection of a DNA plasmid solution into the gonad 1.  The plasmid DNA rearranges to ...

Microinjection of mRNA and Morpholino Antisense Oligonucleotides in Zebrafish Embryos.

Microinjeção de mRNA e Oligonucleotídeos Anti-Senso Morpholino em embriões Zebrafish.

An essential tool for investigating the role of a gene during development is the ability to perform gene knockdown, overexpression, and misexpression ...

Microinjection of Zebrafish Embryos to Analyze Gene Function

Microinjeção de embriões Zebrafish para analisar a função do gene

One of the advantages of studying zebrafish is the ease and speed of manipulating protein levels in the embryo.  Morpholinos, which are synthetic ...

Microinjection of Medaka Embryos for use as a Model Genetic Organism

Microinjeção de embriões Medaka para uso como um organismo modelo genético

In this video, we demonstrate the technique of microinjection into one-cell stage medaka embryos. Medaka is a small egg-laying freshwater fish that allows ...

RNAi-mediated Gene Knockdown and <em>In Vivo</em> Diuresis Assay in Adult Female <em>Aedes aegypti</em> Mosquitoes

RNAi-mediated Gene Knockdown and In Vivo Diuresis Assay in Adult Female Aedes aegypti Mosquitoes

RNAi mediada knockdown do gene e<em&gt; In Vivo</em&gt; Ensaio diurese no Feminino Adulto<em&gt; Aedes aegypti</em&gt; Os mosquitos

This video protocol demonstrates an effective technique to knockdown a particular gene in an insect and conduct a novel bioassay to measure excretion ...

Generation of Transgenic <em>Hydra</em> by Embryo Microinjection

Generation of Transgenic Hydra by Embryo Microinjection

Geração de Transgênicos<em&gt; Hydra</em&gt; Por microinjeção de embriões

As a member of the phylum Cnidaria, the sister group to all bilaterians, Hydra can shed light on fundamental biological processes shared among ...