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	<title>Amazon rivers &#8211; BIOENGINEER.ORG</title>
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		<title>Amazon Rivers Reveal Abundant Antibiotic Efflux Pump Genes Near Polluted Sites</title>
		<link>https://bioengineer.org/amazon-rivers-reveal-abundant-antibiotic-efflux-pump-genes-near-polluted-sites/</link>
		
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		<pubDate>Sat, 24 Oct 2026 08:19:38 +0000</pubDate>
				<category><![CDATA[Biology]]></category>
		<category><![CDATA[Amazon rivers]]></category>
		<category><![CDATA[Antimicrobial Resistance]]></category>
		<category><![CDATA[cbrB repressor]]></category>
		<category><![CDATA[efflux]]></category>
		<category><![CDATA[efflux pumps]]></category>
		<category><![CDATA[environmental DNA]]></category>
		<category><![CDATA[metagenomics]]></category>
		<category><![CDATA[Prospecting]]></category>
		<category><![CDATA[RND family]]></category>
		<category><![CDATA[SMR family]]></category>
		<category><![CDATA[two-component system]]></category>
		<category><![CDATA[water pollution]]></category>
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					<description><![CDATA[A metagenomic survey of two Brazilian Amazon rivers found that genes for antibiotic efflux pumps and their two-component repressors, especially cbrB, become more abundant and diverse at sites under heavier human impact, suggesting the repressor gene could serve as a biomarker of pollution and resistance spread in aquatic ecosystems.]]></description>
		
		
		
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