Publications by authors named "Deepti Agrawal"

T cell receptor (TCR) gene therapy is an effective cancer treatment. Ideally, the TCR should be of human origin and have optimal avidity, e.g.

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Succinic acid (SA) is one of the top platform chemicals with huge applications in diverse sectors. The presence of two carboxylic acid groups on the terminal carbon atoms makes SA a highly functional molecule that can be derivatized into a wide range of products. The biological route for SA production is a cleaner, greener, and promising technological option with huge potential to sequester the potent greenhouse gas, carbon dioxide.

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The circular economy is anticipated to bring a disruptive transformation in manufacturing technologies. Robust and industrial scalable microbial strains that can simultaneously assimilate and valorize multiple carbon substrates are highly desirable, as waste bioresources contain substantial amounts of renewable and fermentable carbon, which is diverse. Lignocellulosic biomass (LCB) is identified as an inexhaustible and alternative resource to reduce global dependence on oil.

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Global efforts towards decarbonization, environmental sustainability, and a growing impetus for exploiting renewable resources such as biomass have spurred the growth and usage of bio-based chemicals and fuels. In light of such developments, the biodiesel industry will likely flourish, as the transport sector is taking several initiatives to attain carbon-neutral mobility. However, this industry would inevitably generate glycerol as an abundant waste by-product.

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Lactic acid (LA) is a platform chemical with diverse industrial applications. Presently, commercial production of LA is dominated by microbial fermentation using sugary or starch-based feedstocks. Research pursuits emphasizing towards sustainable production of LA using non-edible and renewable feedstocks have accelerated the use of lignocellulosic biomass (LCB).

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Tracheostomy is a commonly performed procedure to secure airway in patients who need prolonged airway support (Marchese et al. in Respir Med 104(5):749-753, 2010). It is relatively safe procedure but associated with few early and late complications (Fernandez-Bussy et al.

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Acetate is emerging as a promising feedstock for biorefineries as it can serve as an alternate carbon source for microbial cell factories. In this study, we expressed acetyl-CoA synthase in PSA02004PP, and the recombinant strain grew on acetate as the sole carbon source and accumulated succinic acid or succinate (SA). Unlike traditional feedstocks, acetate is a toxic substrate for microorganisms; therefore, the recombinant strain was further subjected to adaptive laboratory evolution to alleviate toxicity and improve tolerance against acetate.

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Article Synopsis
  • Biologists and engineers are working hard to help the planet by focusing on recycling waste and using natural materials called lignocellulosic biomass (LCB) that come from plants and trash.
  • LCB has a lot of sugar called xylose, but it's not as easy to use for making products as another sugar called glucose, which causes some challenges.
  • Recent studies are looking at how to convert xylose into useful products and finding better ways to do this to help create a cleaner and greener future.
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Family-centered care (FCC) is a well-evidenced approach, recognized as the standard of care for newborns and children. This approach promotes a mutually beneficial partnership between health professionals and infant/young children's families, providing an opportunity for developing trustful relations and transparency of care. Implementation experience from our newborn intensive care unit highlighted three prerequisites for successful implementation, which include adequate infrastructure and basic amenities for the primary caregiver; attitudinal change amongst healthcare providers accepting parents/family as partners in the care of the newborn; and active involvement of primary caregivers in baby care activities alongside the nurses.

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Nurturing care framework for early childhood development (ECD) focuses on five essential aspects of the holistic development of a child, which are interrelated and inseparable. This multidimensional approach to child development is dependent on contributions from multiple sectors, requiring the 'whole of government' approach. In India, the lack of a single multisectoral framework for ECD, narrow accountability to sector-specific outcomes, overlapping responsibilities of frontline workers, lack of leadership for coordination, and limited supervisory mechanisms result in fragmented service delivery.

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Implementing the nurturing care framework (NCF) for early childhood development (ECD) is essentially multisectoral, requiring coordination amongst all sectors and harmoniously integrating it within the existing contact opportunities in the health sector. This paper discusses the relative strengths, persisting gaps, challenges, and the way forward to implement nurturing care for ECD through the public health system. The vast network of frontline health workers and health facilities; community, home, and center-based service delivery; health and wellness centers located close to the communities have the potential to promote nurturing care.

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Despite continuous improvement in health and nutrition-related child outcomes in India in the last decade, sub-optimal developmental outcomes still prevail due to multiple risk factors. Overcoming these risks depends on a supportive policy environment and implementation across relevant sectors to achieve universal coverage for all children and their families, especially those at-risk and those already affected by developmental disorders/disability. Several national policies articulate the multi-dimensional and multisectoral vision for achieving early childhood development (ECD), focusing on the first 1000 days and reaching the most vulnerable children.

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For the techno-commercial success of any lignocellulosic biorefinery, the cost-effective production of fermentable sugars for the manufacturing of bio-based products is indispensable. High-solids enzymatic saccharification (HSES) is a straightforward approach to develop an industrially deployable sugar platform. Economic incentives such as reduced capital and operational expenditure along with environmental benefits in the form of reduced effluent discharge makes this strategy more lucrative for exploitation.

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Article Synopsis
  • Downstream processing of chemicals from fermentation is a crucial and cost-sensitive step, with 2,3-Butanediol (BDO) being an important product for multiple industries.
  • The study explores the recovery and purification of BDO from detoxified sugarcane bagasse using a mutant strain of Enterobacter ludwigii, achieving a production of 68.2 g/L.
  • Optimized aqueous-two phase system (ATPS) techniques showed high extraction efficiency, recovering 97% of BDO even from unfiltered broth, demonstrating the effectiveness of the method for large-scale applications.
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Background: The World Health Organization (WHO) recommends promotion of nurturing care for early childhood development (NC-ECD) by focusing on five essential components viz., good health, adequate nutrition, promotion of early childhood learning, responsive caregiving, and safety and security. Indian medical graduates and pediatricians are the keys to successful delivery and propagation of NC-ECD in the community.

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Early childhood development (ECD) refers to the physical, motor, socio-emotional, cognitive, and linguistic development of a young child. The 'Countdown to 2030' global distribution of 'children at risk of poor development' indicates the need for urgent action and investment in ECD. Nurturing care enhances ECD, even in the presence of adversities.

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The blockade of cellular differentiation represents a hallmark of acute myeloid leukemia (AML), which is largely attributed to the dysfunction of lineage-specific transcription factors controlling cellular differentiation. However, alternative mechanisms of cellular differentiation programs in AML remain largely unexplored. Here we report that mixed lineage kinase domain-like protein (MLKL) contributes to the cellular differentiation of transformed hematopoietic progenitor cells in AML.

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Acetate is regarded as a promising carbon feedstock in biological production owing to its possible derivation from C gases such as CO, CO and methane. To best use of acetate, comprehensive understanding of acetate metabolisms from genes and enzymes to pathways and regulations is needed. This review aims to provide an overview on the potential of acetate as carbon feedstock for industrial biotechnology.

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Background: Integrated management of hemicellulosic fraction and its economical transformation to value-added products is the key driver towards sustainable lignocellulosic biorefineries. In this aspect, microbial cell factories are harnessed for the sustainable production of commercially viable biochemicals by valorising C5 and C6 sugars generated from agro-industrial waste. However, in the terrestrial ecosystem, microbial systems can efficiently consume glucose.

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Article Synopsis
  • Evasion of programmed cell death is a key factor in cancer survival, particularly in non-small cell lung cancer (NSCLC), where understanding how cancer cells resist stress can help develop new treatments.* -
  • Researchers found that the pro-survival gene MCL-1 frequently increases in NSCLC, both within cancer cell populations (clonally) and in individual cells (subclonally), and this is linked to the loss of the tumor suppressor gene TP53.* -
  • In animal studies, inhibiting MCL-1 either through drugs or genetics slowed down tumor growth, suggesting that targeting MCL-1 could be a promising therapeutic strategy in lung adenocarcinoma.*
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Background: Xylitol is a commercially important chemical with multiple applications in the food and pharmaceutical industries. According to the US Department of Energy, xylitol is one of the top twelve platform chemicals that can be produced from biomass. The chemical method for xylitol synthesis is however, expensive and energy intensive.

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Effective management and the valorization of agro-industrial lignocellulosic feedstocks can only be realized if a versatile cellulase cocktail is developed that can release glucose at affordable cost irrespective of biomass type. In the present study the flexibility of using cellulase cocktail obtained from mutant UV-8 of Talaromyces verruculosus IIPC 324 in depolymerizing multiple agro-industrial lignocellulosic feedstocks was explored. Five different dilute acid pretreated biomasses were evaluated and cellulase loading was done at 25 mg protein/g cellulose content.

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In an integrated lignocellulosic biorefinery, the cost associated with the "cellulases" and "longer duration of cellulose hydrolysis" represents the two most important bottlenecks. Thus, to overcome these barriers, the present study aimed towards augmented hydrolysis of acid pretreated sugarcane bagasse within a short span of 16 h using Cellic CTec2 by addition of PEG 6000. Addition of this surfactant not only enhanced glucose release by twofold within stipulated time, but aided in recovery of Cellic CTec2 which was further recycled and reused for second round of saccharification.

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In the present study, the effect of irradiance on growth performance of Scenedesmus obliquus was investigated, and various non-linear growth models were evaluated to predict its temporal evolution. This microalga was cultured in a LED-illuminated flat-panel gas-lift photobioreactor operated in batch mode at varying irradiance ranging from 50 to 200 µmol/m/s keeping all the other physico-chemical parameters constant. When growth data in terms of optical density were fitted in sigmoidal growth models, three non-linear models, namely, Richards model, Gompertz model, and logistic model, were found to be the best fit.

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