Name: in situ protocol for butterfly pupal wings using riboprobes
Uploaded: 2007-05-28T00:00:00
Description: Watch this Scientific Journal Video about In situ Protocol for Butterfly Pupal Wings Using Riboprobes at JoVE.com

We thank Jayne Selegue, Margaret Hollingsworth, Jin Berry, Ryo Futahashi, Najmus Sahar Mahfooz, Aleksandar Popadic, Bob Reed, Roche Technical Support for help in troubleshooting this protocol. We also thank William Piel for advice on editing the movie.

DAY 1
<ol>
<li>Prepare the following solutions: 
<ul>
<li>10x PBS </li>
<li>1x PBS </li>
<li>1x PBT </li>
<li>ddH2O
<ul>
<li>Add DEPC for 0.1% total volume and shake solutions vigorously.&nbsp; </li>
<li>Autoclave. </li>
</ul>
</li>
<li>4% Paraformaldehyde Fix - using PBS-DEPC </li>
<li>Proteinase K solution - if precipitate is present, vortex vigorously before removing aliquot </li>
<li>Digestion Stop Buffer </li>
<li>Prehybridization Buffer </li>
<li>50:50 PBT:Prehybridization Buffer </li>
<li>Hybridizatio...

<ol>
	<li>Carroll, S. B., Gates, J., Keys, D. N., Paddock, S. W., Panganiban, G. E. F., Selegue, J. E., Williams, J. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Pattern+formation+and+eyespot+determination+in+butterfly+wings.">Pattern formation and eyespot determination in butterfly wings.</a> Science. 265, 109-114 (1994).</li><li>Chomczynski, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Solubilization+in+formamide+protects+RNA+from+degradation.">Solubilization in formamide protects RNA from degradation.</a> Nucleic Acids Research. 20, 3791-3792 (1992).</li><li>Keys, D. N., Lewis, D. L., Selegue, J. E., Pearson, B. J., Goodrich, L. V., Johnson, R. J., Gates, J., Scott, M. P., Carroll, S. B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Recruitment+of+a+hedgehog+regulatory+circuit+in+butterfly+eyespot+evolution.">Recruitment of a hedgehog regulatory circuit in butterfly eyespot evolution.</a> Science. 283, 532-534 (1999).</li><li>Marcus, J. M., Ramos, D. M., Monteiro, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Germ+line+transformation+of+the+butterfly+Bicyclus+anynana.">Germ line transformation of the butterfly Bicyclus anynana.</a> Proc R Soc Lond B (Suppl). 271, S263-S265 (2004).</li><li>Monteiro, A., Glaser, G., Stockslagger, S., Glansdorp, N., Ramos, D. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparative+insights+into+questions+of+lepidopteran+wing+pattern+homology.">Comparative insights into questions of lepidopteran wing pattern homology.</a> BMC Developmental Biology. 6, 52 (2006).</li><li>Ramos, D. M., Kamal, F., Wimmer, E. A., Cartwright, A. N., Monteiro, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Temporal+and+spatial+control+of+transgene+expresson+using+laser+induction+of+the+hsp70+promoter.">Temporal and spatial control of transgene expresson using laser induction of the hsp70 promoter.</a> BMC Developmental Biology. 6, 55 (2006).</li><li>Weatherbee, S. D., Nijhout, H. F., Grunert, L. W., Halder, G., Galant, R., Selegue, J., Carroll, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ultrabithorax+function+in+butterfly+wings+and+the+evolution+of+insect+wing+patterns.">Ultrabithorax function in butterfly wings and the evolution of insect wing patterns.</a> 9, 109-115 (1999).</li></ol>

Optimization of existing protocols

In situ hybridizations on larval wing discs have been successfully performed using discs from Precis coenia butterflies (Carroll et al. 1994; Keys et al. 1999; Weatherbee et al. 1999). The current protocol has been adapted from a detailed written protocol available upon request from the Carroll Lab for larval wing stainings. The changes we made serve to accommodate differences between larval and pupal wing tissues. During pupal hindwing dissections, the p...

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		<table border="1">
		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>Fix Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>4% Paraformaldehyde in PBS</td>
</tr>
<tr>
<td>PBT</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>0.1% Tween 20 in PBS</td>
</tr>
<tr>
<td>Proteinase K solution</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>2.5&#xF06D;g/ml Proteinase K in PBT</td>
</tr>
<tr>
<td>Digestion Stop Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>2 mg/ml glycine in PBT</td>
</tr>
<tr>
<td>Pre-Hybridization Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>For 50 ml PHB: 12 ml DEPC treated water + 25 ml Formamide + 12.5 ml 20 x SSC + 50 ul Tween 20 + 500 ul 10 mg/ml salmon sperm (Rnase free, heat denatured prior to addition to solution).
</td>
</tr>
<tr>
<td>Hybridization Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Add 1 mg/ml glycogen to prehybridization buffer</td>
</tr>
<tr>
<td>Block Buffer</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>50 mM Tris pH 6.8, 150 mM NaCl, 0.5% IGEPAL (NP40), 5 mg/ml BSA
</td>
</tr>
<tr>
<td>Anti-DIG</td>
<td>Ab</td>
<td>Roche Applied Science</td>
<td>11 093 274 910</td>
<td>Alkaline Phosphatase conjugated</td>
</tr>
<tr>
<td>DIG Wash and Block Buffer Set</td>
<td>&nbsp;</td>
<td>Roche Applied Science</td>
<td>11 585 762 001</td>
<td>&nbsp;</td>
<tr>
<td>Crystal Mount Aqueous Mounting Medium</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>C0612</td>
<td>Mounting Medium </td>
</tr>		</tbody>
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in situ protocol for butterfly pupal wings using riboprobes

Here we present, in video format, a protocol for in situ hybridizations in pupal wings of the butterfly Bicyclus anynana using riboprobes.  In situ hybridizations, a mainstay of developmental biology, are useful to study the spatial and temporal patterns of gene expression in developing tissues at the level of transcription. If antibodies that target the protein products of gene transcription have not yet been developed, and/or there are multiple gene copies of a particular protein in the genome that cannot be differentiated using available antibodies, in situs can be used instead. While an in situ technique for larval wing discs has been available to the butterfly community for several years, the current protocol has been optimized for the larger and more fragile pupal wings.

Watch this Scientific Journal Video about In situ Protocol for Butterfly Pupal Wings Using Riboprobes at JoVE.com

In situ Protocol for Butterfly Pupal Wings Using Riboprobes

In order to examine gene expression in the pupal wing tissue of Bicyclus anynana, we present an optimized protocol for in situ hybridizations using riboprobes. We also provide guidelines for the further optimization of this protocol for use in pupal wings of other Lepidopteran species.

Here we present, in video format, a protocol for in situ hybridizations in pupal wings of the butterfly Bicyclus anynana using riboprobes.  In situ ...

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