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1IntroductionRibosome-inactivating proteins(RIPs)occur natu-rally in a variety of higher plant species,and theyfunction by catalytic depurination of a specific aden-osine residue located near the3*terminus of eukary-otic large ribosomal subunit rRNA,preventing EF-2/GTP binding and thereby blocking peptidyl-tRNAtranslocation during protein synthesis[1].Many RIPsare potent antiviral and antifungal proteins in vitro[2,3],but it may beinsufficient for field application,as com-pared to the ac… 相似文献
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