ArticleBioinformation2011
Construction of efficient and effective transformation vectors for palmitoyl-acyl carrier protein thioesterase gene silencing in oil palm.
Article in Bioinformation, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Nutritional, Medicinal and Toxicological Attributes of Star-Fruits (Averrhoa carambola L.): A Review.Bioinformation · 2016Review
- Insights from computational analysis of full-length β-ketoacyl-[ACP] synthase-II cDNA isolated from American and African oil palms.Journal of natural science, biology, and medicine · 2014Article
- Three-dimensional (3D) structure prediction of the American and African oil-palms β-ketoacyl-[ACP] synthase-II protein by comparative modelling.Bioinformation · 2014Article
- Computational analysis of common bean (Phaseolus vulgaris L., genotype BAT93) lycopene β-cyclase and β-carotene hydroxylase gene's cDNA.Bioinformation · 2013Article
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
unlabelledPalm oil obtained from E. guineensis Jacq. Tenera is known to have about 44% of palmitic acid (C16:0). Palmitoyl-Acyl Carrier Protein Thioesterase (PATE) is one of the key enzymes involved in plastidial fatty acid biosynthesis; and it determines the level of the C16:0 assimilation in oilseeds. This enzyme's activity in oil palm is responsible for high (> 44 % in E. guineensis Jacq. Tenera and 25 % in E. oleifera) content of C16:0 in its oil. By post-transcriptional PATE gene silencing, C16:0 content can be minimized for nutritional value improvement of the palm oil. The objective of this study was the construction of novel transformation vectors for PATE gene silencing. Six different transformation vectors targeted against PATE gene were constructed using 619 bp long PATE gene (5' region) fragment (from GenBank AF507115). In one set of three transformation vectors, PATE gene fragment was fused with CaMV 35S promoter in antisense, intron-spliced inverted repeat (ISIR), and inverted repeat (IR) orientations to generate antisense mRNA and hair-pin RNAs (hpRNA). In another set of three transformation vectors with same design, CaMV 35S was replaced with Oil palm mesocarp tissue-specific promoter (MSP). The expression cassette of antisense, ISIR, and IR of PATE gene fragments were constructed in primary cloning vector, pHANNIBAL or its derivative/s. Finally, all 6 expression cassettes were sub-cloned into pCAMBIA 1301 which contains the Hygromycinr and the GUS reporter genes for transformant selection and transformation detection respectively. The results of the RE analyses of the constructs and sequence analyses of PATE and MSP shows and confirms the orientation, size and locations of all the components from constructs. We hypothesize that 4 (pISIRPATE-PC, pIRPATE-PC, pMISIRPATE-PC and pMIRPATE-PC) out of 6 transformation vectors constructed in this study will be efficient and effective in palmitoyl-ACP thioesterase gene silencing in oil palm. ABBREVIATIONS: antiPATE - Antisense Palmitoyl-acyl carrier protein thioesterase, BCV - Binary cloning vector, cDNA - Complementary deoxyribonucleic acid, hpRNA - hair-pin RNA, ihpRNA - intron containing hair-pin RNA, IR - inverted repeat, ISIR - intron-spliced inverted repeat, MCS - Multiple cloning site, MSP - Oil palm mesocarp tissue-specific promoter, nt - Nucleotide/s, PATE - Palmitoyl-acyl carrier protein thioesterase, PCR - Polymerase chain reaction, PCV - Primary cloning vector, pDNA - Plasmid deoxyribonucleic acid, PTGS - Post-transcriptional gene silencing, RE - Restriction enzyme.
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