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TOKU-E/Blasticidin S/B052/1 mg

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面议
货号:B052
浏览量:45
品牌:TOKU-E
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商品描述
BlasticidinSisanucleosideproducedbyseveralspeciesofStreptomyces,firstreportedinthelate1950s.BlasticidinSisanantifungalagentwithparticularlypotentactivityagainstthericepathogen,Piriculariaoryzae,forwhichitwasusedcommerciallyforsometimeinJapan.BlasticidinSinhibitsproteinsynthesisandisactiveagainstbacteria,tumorcelllinesandnematodes.Morerecently,blasticidinShasbeenusedasaMarkerforstrainmanipulations.BlasticidinSshouldbeusedasthefreebasetoavoidproblemsassociatedwiththeuseofthehydrochloride.

BlasticidinSissolublein ethanol,methanol,DMFandDMSO.

    CASNumber

    2079-00-7

    MolecularFormula

    C17H26N8O5

    MolecularWeight

    422.4

    MechanismofAction

    BlasticidinSinhibitsproteinsynthesisinprokaryoticandeukaryoticcellsbybindingtotheribosomalP-sitewhichstrengthenstRNAbindingandslowsdownandpreventssubsequentpeptidesynthesis.

    Mechanismsofresistance

    ResistancetoblasticidinSisconferredbybsr,BSD,andblsresistancegenesisolatedfromBacilluscereusK55-S1,Aspergillusterreus,andStreptoverticillumspp,respectively.

    Thebsrresistancegeneisa420bpfragmentandencodesa15kDablasticidinSdeaminasewhichcatalyzesthereactionofblasticidinStodeaminohydroxyblasticidinS.DeaminohydroxyblasticidinSisaBIOLOGicallyinactivederivativeofblasticidinSanddoesnotinteractwithorinhibitprokaryoticoreukaryoticribosomes.

    Thebsdresistancegeneisa393bpfragmentandalsoencodesablasticidinSdeaminaseenzymewhichcatalyzesasimilarreactiontotheBSRdeaminase.AstudybyKimuraetal.foundthetransfectionfrequencywithbsdtobe80XgreaterthanwithbsrwhenusingFM3Acells.

    Theblsgeneresistancegeneencodesanacetyltransferasewhichinteractswithacetyl-coenzymeAandpreventsblasticidinSfrominhibitingproteinsynthesis. 

    StorageConditions

    -20°C

    Spectrum

    BlasticidinSHClisbiologicallyactiveagainstsusceptIBLemammalianandprokaryoticcells.

    Specifications:

      Appearance

      Whitesolid

    TOKU-E植物生物学植物生物学,基因工程,改变植物生长特性。植物生物学是指植物的科学和研究。植物的特性和生长可以通过多种方式进行改变,包括基因工程和各种生长调节剂或激素的使用。可以通过农杆菌介导的转化或其他方法将DNA导入植物,  其中将质粒上的目标基因从农杆菌  细胞中转移  并整合到植物组织中。植物还易受细菌和真菌性植物病原体的侵害,而使用低毒性抗生素  和  抗真菌药可以控制或消除这些病原体  。