Pre_GI Gene

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Host: NC_017252 NEIGHBOURS BLASTN Download Island sequence Download Island gene sequence(s)

NC_017252:545236 Buchnera aphidicola str. TLW03 (Acyrthosiphon pisum) chromosome,

Host Lineage: Buchnera aphidicola; Buchnera; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria

General Information: It is believed that the Buchnera provide the essential nutrients the host lacks. Besides a nutritional co-dependence, due to a co-existence of millions of years, Buchnera have lost the ability to produce cell surface components such as lipopolysaccharides. This makes for an obligate endosymbiont relationship between host and Buchnera. Buchnera are prokaryotic cells which belong to the gamma-Proteobacteria, closely related to the Enterobacteriaceae family. Phylogenetic studies using 16S rRNA indicate that the symbiotic relationship was established around 200-250 million years ago. Since Buchnera are closely related to Escherichia coli and Haemophilus influenzae, comparative genomic studies can shed light on the evolutionary mechanisms of intracellular endosymbiosis as well as the different underlying molecular basis between organisms with parasitic behavior and symbionts.


This island contains ribosomal proteins or RNA related elements and may indicate a False Positive Prediction!

StartEndLengthCDS descriptionQuickGO ontologyBLASTP
545236545709474Smg proteinQuickGO ontologyBLASTP
546482547375894methionyl-tRNA formyltransferaseQuickGO ontologyBLASTP
54755454794639350S ribosomal protein L17QuickGO ontologyBLASTP
547991548980990DNA-directed RNA polymerase subunit alphaQuickGO ontologyBLASTP
54900954962962130S ribosomal protein S4QuickGO ontologyBLASTP
54965555005039630S ribosomal protein S11QuickGO ontologyBLASTP
55006855042435730S ribosomal protein S13QuickGO ontologyBLASTP
55051855063712050S ribosomal protein L36QuickGO ontologyBLASTP
5506605519731314preprotein translocase subunit SecYQuickGO ontologyBLASTP
55210255241931850S ribosomal protein L15QuickGO ontologyBLASTP
55242455260318050S ribosomal protein L30QuickGO ontologyBLASTP
55261355311650430S ribosomal protein S5QuickGO ontologyBLASTP
55313255350036950S ribosomal protein L18QuickGO ontologyBLASTP
55350255403853750S ribosomal protein L6QuickGO ontologyBLASTP
55404955444139330S ribosomal protein S8QuickGO ontologyBLASTP
55447055477530630S ribosomal protein S14QuickGO ontologyBLASTP
55479355533254050S ribosomal protein L5QuickGO ontologyBLASTP
55534755566131550S ribosomal protein L24QuickGO ontologyBLASTP
55568755605536950S ribosomal protein L14QuickGO ontologyBLASTP
55616955642025230S ribosomal protein S17QuickGO ontologyBLASTP
55642055661719850S ribosomal protein L29QuickGO ontologyBLASTP
55661755702741150S ribosomal protein L16QuickGO ontologyBLASTP
55704855774970230S ribosomal protein S3QuickGO ontologyBLASTP
55776855810033350S ribosomal protein L22QuickGO ontologyBLASTP
55813655841427930S ribosomal protein S19QuickGO ontologyBLASTP
55843455925582250S ribosomal protein L2QuickGO ontologyBLASTP
55929355957127950S ribosomal protein L23QuickGO ontologyBLASTP
55956856017360650S ribosomal protein L4QuickGO ontologyBLASTP
56019156082063050S ribosomal protein L3QuickGO ontologyBLASTP
56085156116231230S ribosomal protein S10QuickGO ontologyBLASTP
5627475648552109elongation factor GQuickGO ontologyBLASTP