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Transcript profiling of microRNAs during the early development of the maize brace root via Solexa sequencing

机译:通过Solexa测序在玉米支架根的早期发育过程中对microRNA进行转录分析

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TocharacterizethemicroRNAsthatcontributetothedevelopmentofbraceroot,Solexahigh-throughputsequencingofthreelibrariesderivedfromtissuesofnode(N),nodeswithjust-emergedbraceroots(NR),andnodeswithjust-emergedbracerootsafterIAAtreatment(NRI)wasperformed.Total650,793,957,303and1,082,948genome-matcheduniquereadswereobtainedinN,NRandNRIlibraries,respectively.Furtheranalysisconfirmedtheauthenticityof137knownmiRNAsandthediscoveryof159novelmiRNAsinmaize.14conservedand16novelmiRNAsdifferentiallyexpressedinbraceroot,aswellas15targetgenes,wereidentifiedandvalidatedbyqRT-PCRduringmaizebracerootdevelopment.Moreover,weidentified9miRNAprecursor-matchednovelsRNAsthatmayformmiRNAclusters,aswellas24#xA0;ntsiRNAsinthethreelibraries.Inaddition,wesuggestthatauxinrepresentaregulatorinbracerootdevelopmentandcanberegulatedattheposttranscriptionallevelbymiRNAs./p/div
机译:TocharacterizethemicroRNAsthatcontributetothedevelopmentofbraceroot,Solexahigh-throughputsequencingofthreelibrariesderivedfromtissuesofnode(N),nodeswithjust-emergedbraceroots(NR),andnodeswithjust-emergedbracerootsafterIAAtreatment(NRI)wasperformed.Total650,793,957,303and1,082,948genome-matcheduniquereadswereobtainedinN,NRandNRIlibraries,respectively.Furtheranalysisconfirmedtheauthenticityof137knownmiRNAsandthediscoveryof159novelmiRNAsinmaize.14conservedand16novelmiRNAsdifferentiallyexpressedinbraceroot,aswellas15targetgenes,wereidentifiedandvalidatedbyqRT-PCRduringmaizebracerootdevelopment.Moreover,我们确定了9个与miRNA前体相配的新颖RNA,它们可能在分子簇中形成miRNA簇,以及24#xA0; ntsiRNA。另外,我们建议该生长素代表了调控子在根部发育中的作用,并且可以在转录后的水平上由miRNA进行调节。

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