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  1. No Access

    Article

    Enhancing rice grain quality through the knock-out of the OsSPL16 gene

    The OsSPL16 (SQUAMOSA promoter-binding protein like 16) or GW8 (Grain Width 8) gene is expressed specifically in develo** seeds and positively controls grain width and weight by modulating cell proliferation an...

    A. Shanthinie, P. Vignesh, K. K. Kumar, L. Arul in Plant Physiology Reports (2024)

  2. No Access

    Article

    Genome editing of indica rice ASD16 for imparting resistance against rice tungro disease

    Rice tungro disease (RTD) is caused by the joint infection of rice tungro bacilliform virus and rice tungro spherical virus (RTSV) and is the most important viral disease that limits rice production and produc...

    Yaiphabi Kumam, G. Rajadurai, K. K. Kumar in Journal of Plant Biochemistry and Biotechn… (2022)

  3. No Access

    Article

    Genetic transformation of tropical maize (Zea mays L.) inbred line with a phytase gene from Aspergillus niger

    A full-length cDNA of phyA gene of Aspergillus niger, encoding phytase enzyme, was cloned and expressed in E. coli BL21 cells and assayed for its activity. The phyA cDNA consisted of 1404 bp, which encoded 467 am...

    S. Geetha, J. Beslin Joshi, K. K. Kumar, L. Arul, E. Kokiladevi in 3 Biotech (2019)

  4. No Access

    Chapter

    Engineering Disease Resistance in Rice

    Rice diseases cause substantial yield loss in rice. Through conventional breeding, resistance genes (R-gene) were transferred into elite rice genotypes particularly against the fungal blast and bacterial bligh...

    K. K. Kumar, E. Kokiladevi, L. Arul in Biotechnologies of Crop Improvement, Volum… (2018)

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    Article

    Stability of sheath blight resistance in transgenic ASD16 rice lines expressing a rice chi11 gene encoding chitinase

    Development of transgenic plants by introducing defense genes is one of the strategies to engineer disease resistance. Transgenic ASD16 rice plants harbouring rice chitinase chi11 gene, belonging to a PR-3 group ...

    T. Rajesh, S. Maruthasalam, K. Kalpana, K. Poovannan, K. K. Kumar in Biologia Plantarum (2016)

  6. No Access

    Article

    Development of leaffolder resistant transgenic rice expressing cry2AX1 gene driven by green tissue-specific rbcS promoter

    The insecticidal cry genes of Bacillus thuringiensis (Bt) have been successfully used for development of insect resistant transgenic rice plants. In this study, a novel cry2AX1 gene consisting a sequence of cry2A...

    R. Manikandan, N. Balakrishnan, D. Sudhakar in World Journal of Microbiology and Biotechn… (2016)

  7. Article

    Open Access

    Transgenic rice plants expressing synthetic cry2AX1 gene exhibits resistance to rice leaffolder (Cnaphalocrosis medinalis)

    Bacillus thuringiensis is a major source of insecticidal genes imparting insect resistance in transgenic plants. Level of expression of transgenes in transgenic plants is important to ach...

    R. Manikandan, N. Balakrishnan, D. Sudhakar, V. Udayasuriyan in 3 Biotech (2016)

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    Article

    Expression and inheritance of chimeric cry2AX1 gene in transgenic cotton plants generated through somatic embryogenesis

    Transgenic cotton plants expressing a novel cry2AX1 gene consisting of sequences from the cry2Aa and cry2Ac genes, driven by the CaMV35S or the EnCaMV35S promoters, were generated through Agrobacterium-mediated t...

    A. R. Sakthi, A. Naveenkumar, P. S. Deepikha in In Vitro Cellular & Developmental Biology … (2015)

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    Article

    A maize α-zein promoter drives an endosperm-specific expression of transgene in rice

    An alpha-zein promoter isolated from maize containing P-box, E motif sequence TGTAAAGT, opaque-2 box and TATA box was studied for its tissue-specific expression in rice. A 1,098 bp promoter region of alpha-zein g...

    J. Beslin Joshi, S. Geetha, Birla Singh in Physiology and Molecular Biology of Plants (2015)

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    Article

    Transcriptome analysis of salinity responsiveness in contrasting genotypes of finger millet (Eleusine coracana L.) through RNA-sequencing

    Finger millet (Eleusine coracana L.) is a hardy cereal known for its superior level of tolerance against drought, salinity, diseases and its nutritional properties. In this study, attempts were made to unravel t...

    Hifzur Rahman, N. Jagadeeshselvam, R. Valarmathi, B. Sachin in Plant Molecular Biology (2014)

  11. No Access

    Article

    Differential Regulation of Defense-Related Gene Expression in Response to Red Rot Pathogen Colletotrichum falcatum Infection in Sugarcane

    Red rot is a serious disease of sugarcane caused by the fungus Colletotrichum falcatum imposing a considerable economic loss annually in all sugarcane-producing countries. In this study, we analyzed the early res...

    P. T. Prathima, M. Raveendran, K. K. Kumar in Applied Biochemistry and Biotechnology (2013)

  12. No Access

    Chapter and Conference Paper

    Engineering Resistance in Brinjal against Nematode (Meloidogyne Incognita) Using cry1Ab Gene from Bacillus Thuringiensis Berliner

    Transgenic brinjal plants (Solanum melongena cv. Co2) expressing cryIAb gene from Bacillus thuringiensis Berliner (Bt) were evolved by Agrobacterium-mediated transformation system. In the present study, 7 T0 line...

    Phan Dinh Phap, Hoang Thi Lan Xuan in The Third International Conference on the … (2010)

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    Article

    Abstracts for the 6th Congress of Asian Sleep Research Society

    Seog Ju Kim, In Kyoon Lyoo, Yu-** Lee, Do-Un Jeong in Sleep and Biological Rhythms (2009)

  14. No Access

    Article

    Transgenic resistance by N gene of a Peanut bud necrosis virus isolate of characteristic phylogeny

    The nucleocapsid protein (N) gene of a Tospovirus devastating tomato crop in the south Indian state of Tamil Nadu was cloned and characterized. The high identity of the cloned sequence to a Peanut bud necrosis vi...

    S. Venkatesan, J. A. J. Raja, S. Maruthasalam, K. K. Kumar, A. Ramanathan in Virus Genes (2009)

  15. No Access

    Article

    Pyramiding transgenic resistance in elite indica rice cultivars against the sheath blight and bacterial blight

    Elite indica rice cultivars were cotransformed with genes expressing a rice chitinase (chi11) and a thaumatin-like protein (tlp) conferring resistance to fungal pathogens and a serine-threonine kinase (Xa21) conf...

    S. Maruthasalam, K. Kalpana, K. K. Kumar, M. Loganathan, K. Poovannan in Plant Cell Reports (2007)

  16. No Access

    Article

    An improvedAgrobacterium-mediated transformation protocol for recalcitrant elite indica rice cultivars

    We report here a high-efficiency transformation protocol for recalcitrant indica rice cultivars IR64 and IR72 with the selectable marker genehph and thegusA reporter gene. Factors that favor high-efficiency trans...

    K. K. Kumar, S. Maruthasalam, M. Loganathan in Plant Molecular Biology Reporter (2005)

  17. No Access

    Article

    Transgenic rice as a system to study the stability of transgene expression: multiple heterologous transgenes show similar behaviour in diverse genetic backgrounds

    The success of contemporary breeding programmes involving genetic engineering depends on the stability of transgene expression over many generations. We studied the stability of transgene expression in 40 inde...

    D. Gahakwa, S. B. Maqbool, X. Fu, D. Sudhakar in Theoretical and Applied Genetics (2000)

  18. No Access

    Article

    Gel permeation chromatography for characterization of graft copolymer

    The present paper describes the grafting of vinyl monomers onto cellulose nitrate in non-aqueous medium using benzoyl peroxide as a catalyst. The complete separation of the homopolymers and graft copolymer was...

    K. S. V. Srinivasan, D. Sudhakar in Polymer Bulletin (1980)