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	<id>https://actinobase.org/index.php?action=history&amp;feed=atom&amp;title=SPY</id>
	<title>SPY - Revision history</title>
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	<updated>2026-10-17T20:22:49Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://actinobase.org/index.php?title=SPY&amp;diff=775&amp;oldid=prev</id>
		<title>Jacob Hamilton at 15:56, 1 August 2019</title>
		<link rel="alternate" type="text/html" href="https://actinobase.org/index.php?title=SPY&amp;diff=775&amp;oldid=prev"/>
		<updated>2019-08-01T15:56:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:56, 1 August 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l38&quot;&gt;Line 38:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 38:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;DOI: &lt;/del&gt;[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4421039/ Imai, Y., Sato, S., Tanaka, Y., Ochi, K. and Hosaka, T. (2015). Lincomycin at Subinhibitory Concentrations Potentiates Secondary Metabolite Production by Streptomyces spp. Applied and Environmental Microbiology, 81(11), pp.3869-3879.]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4421039/ Imai, Y., Sato, S., Tanaka, Y., Ochi, K. and Hosaka, T. (2015). Lincomycin at Subinhibitory Concentrations Potentiates Secondary Metabolite Production by Streptomyces spp. Applied and Environmental Microbiology, 81(11), pp.3869-3879.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jacob Hamilton</name></author>
	</entry>
	<entry>
		<id>https://actinobase.org/index.php?title=SPY&amp;diff=774&amp;oldid=prev</id>
		<title>Jacob Hamilton: Created page with &quot;=Salt Peptone Yeast Agar (SPY)=  Salt Peptone Yeast agar is a metal-rich media used to stimulate the activation of cryptic biosynthetic gene clusters as part of antibiotic dis...&quot;</title>
		<link rel="alternate" type="text/html" href="https://actinobase.org/index.php?title=SPY&amp;diff=774&amp;oldid=prev"/>
		<updated>2019-08-01T15:56:18Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;=Salt Peptone Yeast Agar (SPY)=  Salt Peptone Yeast agar is a metal-rich media used to stimulate the activation of cryptic biosynthetic gene clusters as part of antibiotic dis...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;=Salt Peptone Yeast Agar (SPY)=&lt;br /&gt;
&lt;br /&gt;
Salt Peptone Yeast agar is a metal-rich media used to stimulate the activation of cryptic biosynthetic gene clusters as part of antibiotic discovery. &lt;br /&gt;
&lt;br /&gt;
==Preparation==&lt;br /&gt;
Per Litre:&lt;br /&gt;
*30g Soluable Starch&lt;br /&gt;
*15g pancreatic digest of casein&lt;br /&gt;
*15g peptic digest of animal tissue&lt;br /&gt;
*2g Yeast Extract&lt;br /&gt;
*10g MgSO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;&lt;br /&gt;
*50mg CaCl&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
*30mg ZnSO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;&lt;br /&gt;
*25mg FeSO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;&lt;br /&gt;
*16mg CuSO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;&lt;br /&gt;
*12mg MnSO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;&lt;br /&gt;
*20g agar&lt;br /&gt;
*NaOH (to adust pH)&lt;br /&gt;
*1L dH&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;O&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Instructions&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
#On a heated stiring block, warm the water and add the pancreatice digest of casin, the peptic digest of animal tissue, the yeast extract and the trace elements.&lt;br /&gt;
#Add 2g of agar into each of 10 250mL conical flasks.&lt;br /&gt;
#Use NaOH to adjust the pH of the solution to pH 7.2.&lt;br /&gt;
#Dissolve the soluable starch in the solution. It can take a while for the starch to dissolve.&lt;br /&gt;
#Pour 100mL of solution into each flask.&lt;br /&gt;
#Autoclave&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Uses==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Notes==&lt;br /&gt;
*To dissolve the soluable starch, it is often required to make the media on a hot plate. Do not allow the solution to boil. &lt;br /&gt;
*To add the trace elements, it may be easier to make concentrated stock solution which is then added to the media prior to pH adjustment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
DOI: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4421039/ Imai, Y., Sato, S., Tanaka, Y., Ochi, K. and Hosaka, T. (2015). Lincomycin at Subinhibitory Concentrations Potentiates Secondary Metabolite Production by Streptomyces spp. Applied and Environmental Microbiology, 81(11), pp.3869-3879.]&lt;/div&gt;</summary>
		<author><name>Jacob Hamilton</name></author>
	</entry>
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