Please use this identifier to cite or link to this item: http://hdl.handle.net/10603/222859
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dc.date.accessioned2018-12-07T04:45:01Z-
dc.date.available2018-12-07T04:45:01Z-
dc.identifier.urihttp://hdl.handle.net/10603/222859-
dc.description.abstractThe potato (Solanum tuberosum L.) is one of the most important food crops capable of nourishing the world s vast population. Starch is the major component of the dry matter accounting for approximately 70% of the total solids. The other components include total sugars, proteins, fibres, lipids, riboflavin, niacin, vitamin A, vitamin C, minerals, ash and very small amount of glycoalkaloids. Potato plant is an important model crop both in terms of basic and applied research. Starch is synthesized in the amyloplasts of potato tubers. It comprises linear (amylose, approx. 25-30%) and branched (amylopectin, approx. 70-80%) glucose polymers arranged in to highly ordered, semicrystalline structures-the starch granule. Starch phosphorylation is an important aspect of starch metabolism. The level of starch phosphorylation usually varies between the starches from different plant species. Approximately 60-70% of the phosphate groups are linked to C-6 of the glucose residues, the rest to C-3 positions of glucosyl residues, and only 1% may be linked to C-2. In potato tuber starch, approx. 0.1-0.5% of the glucose moieties is found to be phosphorylated. It is commonly accepted that starch phosphorylation influences the overall secondary structures of the starch granule-a prerequisite for its degradation. There is a growing interest on the isolation and characterization of R1 protein i.e. and#61537;-glucan/glucan-like, water dikinase (GWD) from different plant species. Since GWD is known to catalyze starch phosphorylation both in leaves and different plant storage organs. In the present study, a 4789-bp full-length cDNA (submitted to the NCBI data base under GenBank Acc No EU599037) encoding a GWD isoform was isolated from a commercially important Indian potato cultivar, Kufri Chipsona-1 by RT-PCR approach using tuber RNA.
dc.format.extentx, 152p.
dc.languageEnglish
dc.relation
dc.rightsuniversity
dc.titleMolecular studies on the starch granule bound protein R1 protein and genetic approaches for its inhibition in the potato tubers
dc.title.alternative
dc.creator.researcherBansal, Anshu
dc.subject.keywordEngineering and Technology
dc.subject.keywordIndian potato cultivars
dc.subject.keywordStarch granule bound protein R1 protein
dc.description.note
dc.contributor.guideDas, Niranjan
dc.publisher.placePatiala
dc.publisher.universityThapar Institute of Engineering and Technology
dc.publisher.institutionDepartment of Biotechnology
dc.date.registered
dc.date.completed2011
dc.date.awarded
dc.format.dimensions
dc.format.accompanyingmaterialNone
dc.source.universityUniversity
dc.type.degreePh.D.
Appears in Departments:Department of Biotechnology

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file7(chapter 4).pdf314.19 kBAdobe PDFView/Open
file8(chapter 5).pdf3.25 MBAdobe PDFView/Open
file9(summary).pdf157.11 kBAdobe PDFView/Open


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