Publications by authors named "Vinutha Thimmegowda"

Article Synopsis
  • Maize oil is increasingly in demand for various industries, highlighting the need for sustainable production methods.
  • Researchers evaluated 48 maize genotypes with different genetic traits across three locations to analyze their oil content and fatty acid profiles.
  • Double-mutant genotypes showed significantly improved oil content and healthier fatty acid profiles compared to wild-types, suggesting they could provide health benefits and support maize breeding programs to meet market demands.
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Article Synopsis
  • The study aimed to enhance the nutritional quality of maize by increasing kernel oil content and improving the bioavailability of fat-soluble vitamins using advanced genetic techniques like marker-assisted selection (MAS).
  • Maize hybrids developed in the study showed a significant increase in oil content (from 4.80% to 6.73%) and beneficial fatty acid profiles, including higher oleic acid and lower palmitic acid, while also retaining higher levels of provitamin A, vitamin E, and essential amino acids.
  • These improved hybrids maintained comparable yields and growth characteristics to original maize varieties, making them a promising solution to combat malnutrition and meet the growing demand for healthy oils sustainably.
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  • Calcium-dependent protein kinase (CDPK) is crucial for plant signaling, acting as a thermo-sensor, and researchers identified 28 full-length putative CDPKs in wheat.
  • The study focused on the TaCPK-1 gene, which showed the highest expression in thermotolerant wheat leaves under heat stress, indicating its role in thermotolerance.
  • Analysis revealed that TaCPK-1 correlates with other stress-related genes and displayed increased calcium levels, suggesting its importance in signaling during heat stress in wheat.
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This study reports the identification of a unique lentil ( Medik.) genotype L4717-NM, a natural mutant (NM) derived from a variety L4717, producing brown, black, and spotted seed-coat colored seeds in a single plant, generation after generation, in different frequencies. The genetic similarity of L4717 with that of L4717-NM expressing anomalous seed-coat color was established using 54 SSR markers.

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insecticidal proteins ( ICPs) are reliable and valuable options for pest management in crops. Protein engineering of ICPs is a competitive alternative for resistance management in insects. The primary focus of the study was to reiterate the translational utility of a protein-engineered chimeric Cry toxin, Cry1AcF, for its broad spectrum insecticidal efficacy using molecular modeling and docking studies.

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Designing low-phytate crops without affecting the developmental process in plants had led to the identification of gene in soybean. The gene was identified and a partial gene sequence was cloned from popular Indian soybean genotype Pusa16. Conserved domains and motifs unique to ABC transporters were identified in the 30 homologous sequences retrieved by BLASTP analysis.

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Soybean genome encodes a family of four inositol 1,3,4 trisphosphate 5/6 kinases which belong to the ATP-GRASP group of proteins. Inositol 1,3,4 trisphosphate kinase-2 (), catalyzing the ATP-dependent phosphorylation of Inositol 1,3,4 trisphosphate (IP3) to Inositol 1,3,4,5 tetra phosphate or Inositol 1,3,4,6 tetra phosphate, is a key enzyme diverting the flux of inositol phosphate pool towards phytate biosynthesis. Although considerable research on characterizing genes involved in phytate biosynthesis is accomplished at genomic and transcript level, characterization of the proteins is yet to be explored.

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Safety assessment of genetically modified plants is an important aspect prior to deregulation. Demonstration of substantial equivalence of the transgenics compared to their nontransgenic counterparts can be performed using different techniques at various molecular levels. The present study is a first-ever comprehensive evaluation of pigeon pea transgenics harboring two independent cry genes, cry2Aa and cry1AcF.

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