Quorum Quenching Bacteria Isolated from Rice and Tomato Rhizosphere Soil in Malaysia

Journal of Applied Biological Sciences

Rohaiza Ahmad REDZUAN¹  Mohd Yusof Nor RAHIM¹  Amin Asyraf TAMIZI¹  Hamidun BUNAWAN¹  Noriha Mat AMIN¹ 

关键词: aiiA genes;    Erwinia mallotivora;    quorum sensing;    N-acyl-homoserine lactones;    papaya dieback disease;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

Atotalof45bacterialisolateswereobtainedfromrhizospheresoilofriceandtomatoinPeninsularMalaysia,ofwhich6havetheabilitytodegradequorumsensingsignalmolecules,N-acyl-homoserinelactones(AHLs),invitro.ThesixisolatesdesignatedasSP17,SPB2,SPB9,CHB4,CHB18andCHB19wereidentifiedasBacillusthuringiensis,Bacillussp.,Bacillusamyloliquefaciens,Bacilluscereus,BacillusmegateriumandBacilluspumilus,respectively,using16SribosomalRNAsequence-basedidentification.PCRamplificationofAHLlactonasegenes(aiiA)usingaiiAprimersrevealedthepresenceofaiiAgenehomologuesinalloftheisolateswhichmaycontributetoitsAHLdegradationability.TheseAHLdegradingbacteriahavethepotentialforuseasbiologicalcontrolagentsagainstthepapayadiebackdiseasepathogen,Erwiniamallotivora,inMalaysia,wheretheirvirulenceandpathogenicityareregulatedbyAHL-mediatedquorumsensing.

【 授权许可】

Unknown