Publications by authors named "Shivani Sharda"

Cotton (Gossypium hirsutum L.), a vital global cash crop, significantly impacts both the agricultural and industrial sectors, providing essential fiber for textiles and valuable byproducts such as cottonseed oil and animal feed. The cultivation of cotton supports millions of livelihoods worldwide, particularly in developing regions, making it a cornerstone of rural economies.

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Tomato (Solanum lycopersicum L.) is an essential source of antioxidants and a prime candidate for bioengineering experiments. Many studies have aimed to improve tomatoes using CRISPR/Cas9 technology; however, the success rate is limited due to the lack of efficient regeneration and genetic modification techniques.

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Article Synopsis
  • Maize, a critical global crop, uses complex gene regulation mechanisms to adapt to drought stress, with the HKI 335 inbred line showing notable resilience.
  • Reactive oxygen species (ROS) produced during drought can cause cellular damage, but the enzyme superoxide dismutase (SOD) plays a key role in defending against this damage.
  • Detailed analysis of the HKI 335 SOD2 protein revealed its similarity to a known thermostable SOD, with favorable structural properties and a low instability index, indicating its potential effectiveness in stress tolerance.
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Biocompatible nanogels are highly in demand and have the potential to be used in various applications, e.g., for the encapsulation of sensitive biomacromolecules.

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Reactive Arthritis (ReA), a rare seronegative inflammatory arthritis, lacks exquisite classification under rheumatic autoimmunity. ReA is solely established using differential clinical diagnosis of the patient cohorts, where pathogenic triggers linked to enteric and urogenital microorganisms e.g.

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Background: Obstructive sleep apnoea (OSA) is a prevalent form of sleep disordered breathing which results in sleep fragmentation and deprivation. Obesity and cardiovascular disorders are the major risk factors associated with OSA. Molecular analysis of the factors associated with OSA could demarcate the clinical analysis pattern in a population.

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Context: Obstructive sleep apnoea (OSA) is a sleep respiration disorder with multiple pathophysiological risks. The study of OSA is important from a public health perspective due to increased risk of cardiovascular morbidity and metabolic disorders.

Objective: The review content contributes to amalgamate the clinico-molecular analysis of microRNAs, single-nucleotide polymorphisms (SNPs), transcriptome profiles and epigenetics in the prognosis of OSA.

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Inflammatory bowel disease (IBD) is an idiopathic prolonged ailment accountable for inflammatory conditions of the intestine. Moreover, arthritis is responsible for joints' stiffness and painful inflammation. IBD shows certain articular extra-intestinal manifestations associating IBD with arthritis.

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Isothermal calorimetry (ITC) measurements yielded the binding constants during complex formation of light-inducible histidine kinases (HK) and their cognate CheY-type response regulators (RR). HK-RR interactions represent the core function of the bacterial two-component system, which is also present in many bacterial phytochromes. Here, we have studied the recombinant forms of phytochromes CphA and CphB from the cyanobacterium Tolypothrix PCC7601 and their cognate RRs RcpA and RcpB.

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The photoreactions of recombinant phytochrome CphA from cyanobacterium Calothrix sp. PCC7601 reconstituted with phycocyanobilin were investigated using UV-Vis and Fourier transform infrared (FTIR) difference spectroscopy, stabilizing intermediates at low temperature. The yield of the forward reaction strongly depends on temperature, unlike the backward reaction.

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The resonance Raman spectra of the Pr state of the N-terminal 65-kDa fragment of plant phytochrome phyA have been measured and analyzed in terms of the configuration and conformation of the tetrapyrroles methine bridges. Spectra were obtained from phyA adducts reconstituted with the natural chromophore phytochromobilin as well as phycocyanobilin and its isotopomers labeled at the terminal methine bridges through (13)C/(12)C and D/H substitution. Upon comparing the resonance Raman spectra of the various phyA adducts, it was possible to identify the bands that originate from normal modes dominated by the stretching coordinates of the terminal methine bridges A-B and C-D.

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Bacteriophytochromes constitute a light-sensing subgroup of sensory kinases with a chromophore-binding motif in the N-terminal half and a C-terminally located histidine kinase activity. The cyanobacterium Fremyella diplosiphon (also designated Calothrix sp.) expresses two sequentially very similar bacteriophytochromes, cyanobacterial phytochrome A (CphA) and cyanobacterial phytochrome B (CphB).

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