Publications of NIPGR Scientists

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Author: search.filters.author.Agarwal, PinkySubject: search.filters.subject.transcription factors

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    May the fittest protein evolve: favoring the plant-specific origin and expansion of NAC transcription factors
    (John Wiley & Sons, 2018) Mathew, Iny Elizebeth; Agarwal, Pinky
    Plant‐specific NAC transcription factors (TFs) evolve during the transition from aquatic to terrestrial plant life and are amplified to become one of the biggest TF families. This is because they regulate genes involved in water conductance and cell support. They also control flower and fruit formation. The review presented here focuses on various properties, regulatory intricacies, and developmental roles of NAC family members. Processes controlled by NACs depend majorly on their transcriptional properties. NACs can function as both activators and/or repressors. Additionally, their homo/hetero dimerization abilities can also affect DNA binding and activation properties. The active protein levels are dependent on the regulatory cascades. Because NACs regulate both development and stress responses in plants, in‐depth knowledge about them has the potential to help guide future crop improvement studies.
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    Decoding the transcriptome of rice seed during development
    (InTech, 2017) Mahto, Arunima; Mathew, Iny Elizebeth; Agarwal, Pinky
    Rice seed development is a continuous process wherein it undergoes complex molecular and tissue reprogramming. It is a collective effect of embryo and endosperm development, each of which undertakes its own developmental paths, with endosperm development significantly affecting embryo. Understanding the mechanistics of the regulatory networks administrating this process is the building block for any future research on grain yield and quality. High-throughput transcript profiling and small RNA profiling studies have proved useful in providing information about the molecular changes occurring in various tissues associated with seed development. Transcriptome sequencing studies have highlighted the significant genes and pathways that are operating during seed development. The involvement of TFs and hormones has also been implicated in regulating key aspects of seed development, including embryo patterning and seed maturation. This chapter will review the information provided by high-throughput sequencing studies on various aspects of rice seed development, highlighting the developmental complexities of embryo and endosperm.