Romit Seth

North Carolina State University, Plants for Human Health Institute, Post-Doc

IHBT (CSIR), Biotechnology Division, Alumnus

CSK HPKV Palampur Kangra- 176062 (H.P), Agriculture Biotechnology, Alumnus

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I am researcher by profession, basically working in the field of plant molecular biology and biotechnology. I am trying to find out the relation between the code of life and the plant behaviour by implicating both bioinformatics and wet lab experiments.
Address: NC STATE UNIVERSITY
Plants for Human Health Institute,
600 Laureate Way,
Kannapolis, NC, USA

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Papers by Romit Seth

Population Genomics and Genomics-Assisted Trait Improvement in Tea (Camellia sinensis (L.) O. Kuntze)

Population genomics, Dec 31, 2022

Genome-wide transcriptional profiling and physiological investigation elucidating the molecular mechanism of multiple abiotic stress response in Stevia rebaudiana Bertoni

Scientific Reports, Nov 12, 2023

Considering the major source of plant-derived low/non-calorie steviol glycosides (SGs), comprehen... more Considering the major source of plant-derived low/non-calorie steviol glycosides (SGs), comprehensive physiological, biochemical, and deep transcriptional investigations were conducted to explicit deeper insight into multiple abiotic stress responses in Stevia rebaudiana. The physiological indicators including photosynthesis, chlorophyll, relative water content, shoot growth, electrolyte leakage, and SG biosynthesis were negatively impacted under drought (DS), followed by salinity (SS) and waterlogging (WS). Global transcriptional analysis revealed significant upregulated expression of the genes encoding for ROS detoxification (GST, SOD, APX, glutathione peroxidase), osmotic adjustment (alpha-trehalose-phosphate and S-adenosylmethionine decarboxylase), ion transporters (CAX, NHX, CNGS, VPPase, VATPase), water channel (PIP1, TIP) and abiotic stress-responsive candidate genes (LEA, HSPs, and Dehydrins) regulating abiotic stress response in S. rebaudiana. These inferences were complemented with predicted interactome network that revealed regulation of energy metabolism by key stress-responsive genes (GST, HKT1, MAPKs, P5CSs, PIP), transcription factors (HSFA2, DREB1A, DREB2A), and abiotic stress responsive pathways (ABA, ethylene, ion stress). This is the first detailed study to comprehend the molecular regulation of stress response and their interplay under DS, SS, and WS. The key genes and regulators can be functionally validated, and will facilitate targeted gene editing for genetic improvement of crop sustainability under changing environmental conditions in S. rebaudiana. Stevia rebaudiana Bert. (Family: Asteraceae) is a source of plant-derived low/non-calorie natural sweeteners (LNCSs) known as 'Steviol glycosides (SGs)' . It is widely cultivated in various countries in South & North America, Asia, and Europe 1 . So far, more than 60 different kinds of SGs including Rebaudioside-A (Reb-A), Rebaudioside-D (Reb-D), and Rebaudioside-M (Reb-M) with high sweetening properties and the least bitter aftertaste effect have been discovered (87th JECFA report, 2019: . fao. org/3/ CA0953EN/ca0953en. pdf 2 ). Based on their proportion in leaf dry weight, SGs have been categorized into major [Stevioside (Stev): 5-10%; Reb-A: 2-4%] and minor [Reb-D and Reb-M (0.4-0.5%)] 3 . Desirable attributes including 300 times greater sweetening properties than table sugar, and safe metabolization in the human digestive system make SGs a better replacement for both artificial low-calorie and conventional high-calorie sweeteners 2 . Considering wider popularity in the commercial market, and to cater with climate change issues, the existing biochemical and physiological inferences of abiotic stress vulnerability require an in-depth understanding of underlying molecular mechanism in S. rebaudiana. Global climate change with exposure of severe environmental conditions has a major negative impact on plant growth and development. It is estimated that over 51-82% of annual crop

Romit Seth

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