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		<title>Engineered E. coli keeps two plasmids alive without antibiotics or resistance genes</title>
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		<pubDate>Fri, 16 Oct 2026 09:52:23 +0000</pubDate>
				<category><![CDATA[Biology]]></category>
		<category><![CDATA[antibiotic-free selection]]></category>
		<category><![CDATA[Antimicrobial Resistance]]></category>
		<category><![CDATA[biomanufacturing]]></category>
		<category><![CDATA[conditional complementation]]></category>
		<category><![CDATA[Escherichia coli]]></category>
		<category><![CDATA[genome engineering]]></category>
		<category><![CDATA[inducible promoters]]></category>
		<category><![CDATA[infA]]></category>
		<category><![CDATA[plasmid maintenance]]></category>
		<category><![CDATA[precision fermentation]]></category>
		<category><![CDATA[secY]]></category>
		<category><![CDATA[synthetic biology]]></category>
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					<description><![CDATA[Researchers engineered E. coli strains that select and maintain two plasmids without antibiotics by making growth depend on plasmid-borne copies of essential genes.]]></description>
		
		
		
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