Comput Biol Chem - In silico analysis of cis-acting regulatory elements in 5' regulatory regions of sucrose transporter gene families in rice (Oryza sativa Japonica) and Arabidopsis thaliana.

Tópicos

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Resumo

The regulation of gene expression involves a multifarious regulatory system. Each gene contains a unique combination of cis-acting regulatory sequence elements in the 5' regulatory region that determines its temporal and spatial expression. Cis-acting regulatory elements are essential transcriptional gene regulatory units; they control many biological processes and stress responses. Thus a full understanding of the transcriptional gene regulation system will depend on successful functional analyses of cis-acting elements. Cis-acting regulatory elements present within the 5' regulatory region of the sucrose transporter gene families in rice (Oryza sativa Japonica cultivar-group) and Arabidopsis thaliana, were identified using a bioinformatics approach. The possible cis-acting regulatory elements were predicted by scanning 1.5kbp of 5' regulatory regions of the sucrose transporter genes translational start sites, using Plant CARE, PLACE and Genomatix Matinspector professional databases. Several cis-acting regulatory elements that are associated with plant development, plant hormonal regulation and stress response were identified, and were present in varying frequencies within the 1.5kbp of 5' regulatory region, among which are; A-box, RY, CAT, Pyrimidine-box, Sucrose-box, ABRE, ARF, ERE, GARE, Me-JA, ARE, DRE, GA-motif, GATA, GT-1, MYC, MYB, W-box, and I-box. This result reveals the probable cis-acting regulatory elements that possibly are involved in the expression and regulation of sucrose transporter gene families in rice and Arabidopsis thaliana during cellular development or environmental stress conditions.

Resumo Limpo

regul gene express involv multifari regulatori system gene contain uniqu combin cisact regulatori sequenc element regulatori region determin tempor spatial express cisact regulatori element essenti transcript gene regulatori unit control mani biolog process stress respons thus full understand transcript gene regul system will depend success function analys cisact element cisact regulatori element present within regulatori region sucros transport gene famili rice oryza sativa japonica cultivargroup arabidopsi thaliana identifi use bioinformat approach possibl cisact regulatori element predict scan kbp regulatori region sucros transport gene translat start site use plant care place genomatix matinspector profession databas sever cisact regulatori element associ plant develop plant hormon regul stress respons identifi present vari frequenc within kbp regulatori region among abox ry cat pyrimidinebox sucrosebox abr arf ere gare meja dre gamotif gata gt myc myb wbox ibox result reveal probabl cisact regulatori element possibl involv express regul sucros transport gene famili rice arabidopsi thaliana cellular develop environment stress condit

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