Publications by authors named "Sreevathsa Rohini"

Article Synopsis
  • CKX genes play a crucial role in regulating cytokinin levels, which are essential for plant growth and embryo/seed development in pigeonpea; however, there's limited research on their specific functions in this area.* -
  • This study discovered 18 CKX genes in pigeonpea, each differing in structure and expression, with many localized in the nucleus and unevenly distributed across certain chromosomes.* -
  • Analysis of gene expression patterns revealed that specific CKX genes may act as negative regulators of seed number per pod, indicating their potential for improving seed and biomass production in pigeonpea.*
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Article Synopsis
  • The research focuses on increasing the production of viridiflorol, a valuable sesquiterpene found in Mentha species, to enhance export revenue.
  • The study concentrated on the MpTPS4 enzyme, which exclusively synthesizes viridiflorol, and demonstrated a 9-25% increase in viridiflorol content by overexpressing this enzyme in M. ×piperita L.
  • Additionally, the research shows that viridiflorol can deter herbivores like Helicoverpa armigera and highlights the potential of biotechnology for improving the production of this commercially important compound.
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  • Heat stress negatively impacts plant growth by disrupting cellular functions and causing excessive accumulation of reactive oxygen species (ROS), potentially leading to cell death.
  • A study investigated the role of Triticum aestivum Salt Stress Root Protein (TaSSRP) in improving heat stress tolerance by modifying its expression in transgenic tobacco plants, showing better physiological responses compared to wild-type plants.
  • The findings highlight TaSSRP's potential as a target for breeding wheat varieties with enhanced resistance to heat stress, advancing our understanding of thermotolerance mechanisms.
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The study demonstrates the successful management of Meloidogyne incognita in eggplant using Mi-flp14 RNA interference, showing reduced nematode penetration and reproduction without off-target effects across multiple generations. Root-knot nematode, Meloidogyne incognita, causes huge yield losses worldwide. Neuromotor function in M.

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This study is a thorough characterization of pigeonpea dirigent gene (CcDIR) family, an important component of the lignin biosynthesis pathway. Genome-wide analysis identified 25 CcDIR genes followed by a range of analytical approaches employed to unravel their structural and functional characteristics. Structural examination revealed a classic single exon and no intron arrangement in CcDIRs contributing to our understanding on evolutionary dynamics.

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A key abiotic stress that negatively affects seed germination, plant development, and crop yield is moisture deficit stress. Achieving higher vigour and uniform germination under stress conditions is essential for crop establishment and productivity and to enhance the yield. Hence, revealing wheat's capacity to withstand moisture deficit stress during seed germination and early growth stages is fundamental in improving its overall performance.

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The spotted pod borer, Maruca vitrata (Lepidoptera: Crambidae) is a destructive insect pest that inflicts significant productivity losses on important leguminous crops. Unravelling insect proteomes is vital to comprehend their fundamental molecular mechanisms. This research delved into the proteome profiles of four distinct stages -three larval and pupa of M.

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Pigeon pea is an important protein-rich pulse crop. Identification of flowering master regulators in pigeon pea is highly imperative as indeterminacy and late flowering are impediments towards yield improvement. A genome-wide analysis was performed to explore flowering orthologous groups in pigeon pea.

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Insect-pests infestation greatly affects global agricultural production and is projected to become more severe in upcoming years. There is concern about pesticide application being ineffective due to insect resistance and environmental toxicity. Reduced effectiveness of Bt toxins also made the scientific community shift toward alternative strategies to control devastating agricultural pests.

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Vegetative to reproductive phase transition in phototropic plants is an important developmental process and is sequentially mediated by the expression of micro-RNA . To obtain insight into the evolution, adaptation, and function of in photophilic rice and its wild relatives, we analyzed the genescape of a 100 kb segment harboring homologs from 11 genomes. The expression analysis of revealed its incremental accumulation from the 2-leaf to 10-leaf stage, with maximum expression coinciding with the flag-leaf stage in rice.

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Flax ( L.) is a self-pollinating, annual, diploid crop grown for multi-utility purposes for its quality oil, shining bast fiber, and industrial solvent. Being a cool (Rabi) season crop, it is affected by unprecedented climatic changes such as high temperature, drought, and associated oxidative stress that, globally, impede its growth, production, and productivity.

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Cold-induced sweetening (CIS) is an unwanted physiological phenomenon in which reducing sugars (RS) get accumulated in potato () upon cold storage. High RS content makes potato commercially unsuitable for processing due to the unacceptable brown color in processed products like chips, fries, etc., and the production of a potential carcinogen, acrylamide.

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D is a novel kind of polyketide synthase involved in the biosynthesis of non-volatile metabolite phloroglucinol by iteratively condensing and cyclizing three molecules of malonyl-CoA as substrate. Phloroglucinol or 2,4-diacetylphloroglucinol (DAPG) is an ecologically important rhizospheric antibiotic produced by pseudomonads; it exhibits broad spectrum anti-bacterial and anti-fungal properties, leading to disease suppression in the rhizosphere. Additionally, DAPG triggers systemic resistance in plants, stimulates root exudation, as well as induces phyto-enhancing activities in other rhizobacteria.

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Background: A multitude of Cry toxins (secreted by or Bt) has been deployed globally either transgenic mean or bio-pesticidal formulations in order to manage insect pests. However, Bt resistance development in insects is emerging as a major concern. To avoid this problem, multiple gene pyramiding or protein-engineered chimeric toxin-based strategy has been analyzed.

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Control of pod borer Helicoverpa armigera, a notorious polyphagous pest requires paramount attention with focus on environment-friendly management approaches. Overproduction of catechins (epigallocatechin-EGC and epicatechin-3-gallate-EC3G) in the pod borer-resistant pigeonpea wild relative, Cajanus platycarpus during continued herbivory prodded us to assess their underlying molecular effect on H. armigera.

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Pod borer , a polyphagus herbivorous pest, tremendously incurs crop damage in economically important crops. This necessitates the identification and utility of novel genes for the control of the herbivore. The present study deals with the characterization of a () from a pigeonpea wild relative , possessing a robust chemical resistance response to .

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This study demonstrates the combinatorial management of multiple pests through a trans-acting siRNA (tasiRNA)-based micro RNA-induced gene silencing (MIGS) strategy. Transgenic cotton events demonstrated improved efficacy against cotton leaf curl disease, cotton leaf hopper and root-knot nematode. Cotton (Gossypium hirsutum L.

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Mango ( L.) is one of the most popular tropical fruits in the world owing to its rich taste, flavor, color, production volume and diverse end usage. Conventional mango breeding practices are unable to withstand the demand for improved varieties as it is time consuming and requires heavy investment.

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Article Synopsis
  • Climate change has increased the prevalence of pests and pathogens affecting plants, necessitating better management strategies.
  • Reactive oxygen species (ROS) play a crucial role in how plants respond to stress, and maintaining a balanced level of ROS can enhance their resilience against biotic challenges.
  • The review highlights the distinct signaling pathways involved in ROS production when plants confront different stresses, such as herbivory and pathogen infections, suggesting that understanding this can help develop effective stress management strategies in the future.
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Background: Due to the prolonged usage of Bt-based biopesticides and Bt-transgenic crops worldwide, insects are continually developing resistance against Cry toxins. This resistance may occur if any mechanistic step in the insecticidal process is disrupted possibly because of the alteration in Cry-receptor binding affinity due to mutation in receptor genes. Compared to other lepidopteran insects, Cry receptor-related research has made asymmetric progress in the model insect Galleria mellonella.

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Management of pod borer, in pigeonpea ( L.), an important legume crop, has been a pertinent endeavor globally. As with other crops, wild relatives of pigeonpea are bestowed with various resistance traits that include the ability to deter the Understanding the molecular basis of pod borer resistance could provide useful leads for the management of this notorious herbivore.

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Pod borer, Helicoverpa armigera, a polyphagus herbivore causes extensive economic losses to crops, including pigeonpea. Exploitation of pod borer resistance in wild relatives is pertinent due to the absence of resistance sources in cultivated pigeonpea and crossing-incompatibility with the resistant wild relatives. We present leads obtained in deeper understanding of pod borer resistance mechanism in Cajanus platycarpus, a pigeonpea wild relative.

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Rice () production is seriously affected by the root-knot nematode , which has emerged as a menace in upland and irrigated rice cultivation systems. Previously, activation tagging in rice was utilized to identify candidate gene(s) conferring resistance against . T-DNA insertional mutants were developed in a rice landrace (acc.

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Crystal (Cry) toxins produced from the soil bacterium, Bacillus thuringiensis (Bt), have gained worldwide attention for long due to their insecticidal potential. A number of receptor proteins located on the epithelial cells of the larval midgut were shown to be crucial for Cry intoxication in different insect pests belonging to order Lepidoptera, Diptera and Coleoptera. A beehive pest, Galleria mellonella, serves as an excellent insect model for biochemical research.

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