Publications by authors named "Dandekar A"

Sorbitol, a main photosynthate and transport carbohydrate in all tree fruit species in Rosaceae, acts as a signal controlling resistance against Alternaria (A.) alternata in apple by altering the expression of the MdNLR16 resistance gene via the MdWRKY79 transcription factor. However, it is not known if N-methyladenosine (mA) methylation of the mRNAs of these genes participates in the process.

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High carbohydrate availability promotes malic acid accumulation in fleshy fruits, but the underlying mechanism is not known. Here, we show that antisense repression of ALDOSE-6-PHOSPHATE REDUCTASE in apple (Malus domestica) decreases the concentrations of sorbitol and malate and the transcript levels of several genes involved in vacuolar malate transport, including the aluminum-activated malate transporter (ALMT) gene MdALMT9 (Ma1), the P-ATPase gene MdPH5, the MYB transcription factor gene MdMYB73, and the cold-induced basic helix-loop-helix transcription factor gene MdCIbHLH1, in fruit and leaves. We identified a linker histone H1 variant, MdH1.

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uses quorum sensing (QS) to regulate the expression of dozens of genes, many of which encode shared products, called "public goods." possesses two complete acyl-homoserine lactone (AHL) QS circuits: the LasR-I and RhlR-I systems. Canonically, these systems are hierarchically organized: RhlR-I activity depends on LasR-I activation.

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Parkinson's disease (PD) is a neurological disorder characterized by motor and non-motor symptoms that significantly impact patients' quality of life. Meningoencephalitis, an inflammation of the brain and its surrounding membranes, exacerbates the neurological features of PD, leading to considerable disability. This case report describes a 73-year-old female with a five-year history of PD who presented with meningoencephalitis.

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Biomanufacturing enables novel sources of compounds with constant demand, such as food coloring and preservatives, as well as new compounds with peak demand, such as diagnostics and vaccines. The COVID-19 pandemic has highlighted the need for alternative sources of research materials, thrusting research on diversification of biomanufacturing platforms. Here, we show initial results exploring the walnut somatic embryogenic system expressing the recombinant receptor binding domain (RBD) and ectodomain of the spike protein (Spike) from the SARS-CoV-2 virus.

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is a common opportunistic pathogen and a model organism for studying bacterial sociality. A social behavior of that is critical for its success as a pathogen is its ability to form protective biofilms. Many of 's social phenotypes are regulated by quorum sensing-a type of cell-cell communication that allows bacteria to respond to population density.

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Polymicrobial communities are often recalcitrant to antibiotic treatment because interactions between different microbes can dramatically alter their responses and susceptibility to antimicrobials. However, the mechanisms of evolving antimicrobial resistance in such polymicrobial environments are poorly understood. We previously reported that Mg depletion caused by the fungus can enable to acquire significant resistance to colistin, a last-resort antibiotic targeting bacterial membrane.

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It is increasingly recognized that interspecies interactions may modulate the pathogenicity of during chronic lung infections. Nevertheless, while the interaction between and pathogenic microorganisms co-infecting the lungs has been widely investigated, little is known about the influence of other members of the lung microbiota on the infection process. In this study, we focused on investigating the impact of species isolated from the sputum of people with cystic fibrosis (pwCF) on biofilm formation and virulence factor production by .

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Tree nut consumption has been widely associated with various health benefits, with walnuts, in particular, being linked with improved cardiovascular and neurological health. These benefits have been attributed to walnuts' vast array of phenolic antioxidants and abundant polyunsaturated fatty acids. However, recent studies have revealed unexpected clinical outcomes related to walnut consumption, which cannot be explained simply with the aforementioned molecular hallmarks.

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Fungi and bacteria coexist in many polymicrobial communities, yet the molecular basis of their interactions remains poorly understood. Here, we show that the fungus Candida albicans sequesters essential magnesium ions from the bacterium Pseudomonas aeruginosa. To counteract fungal Mg2+ sequestration, P.

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Transdermal administration remains an active research and development area as an alternative route for long-acting drug delivery. It avoids major drawbacks of conventional oral (gastrointestinal side effects, low drug bioavailability, and need for multiple dosing) or parenteral routes (invasiveness, pain, and psychological stress and bio-hazardous waste generated from needles), thereby increasing patient appeal and compliance. This review focuses on the current state of long-acting transdermal drug delivery, including adhesive patches, microneedles, and molecularly imprinted polymeric systems.

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Quorum sensing is a type of cell-cell communication that modulates various biological activities of bacteria. Previous studies indicate that quorum sensing contributes to the evolution of bacterial resistance to antibiotics, but the underlying mechanisms are not fully understood. In this study, we grew in the presence of sub-lethal concentrations of ciprofloxacin, resulting in a large increase in ciprofloxacin minimal inhibitory concentration.

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XRE-cupin family proteins containing an DNA-binding domain and a cupin signal-sensing domain are widely distributed in bacteria. In Pseudomonas aeruginosa, XRE-cupin transcription factors have long been recognized as regulators exclusively controlling cellular metabolism pathways. However, their potential functional roles beyond metabolism regulation remain unknown.

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Stroke is a common cause of death and neurological impairment. The largest artery in the brain is the middle cerebral artery. When this artery suffers a stroke from an abrupt interruption or cessation of blood flow, tissue dies, and severe, potentially irreversible brain damage occurs.

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, a bacterium causing infections in immunocompromised individuals, regulates several of its virulence functions using three interlinked quorum sensing (QS) systems (, , and ). Despite its presumed importance in regulating virulence, dysfunction of the system regulator LasR occurs frequently in strains isolated from various environments, including clinical infections. This newfound abundance of LasR-defective strains calls into question existing hypotheses regarding their selection.

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Crown gall disease (), crown/root rot disease ( spp.), root lesion disease () and tree vigor are key traits affecting the productivity and quality of walnuts in California. Unchallenged hybrid rootstocks were analyzed by RNA-seq to examine pre-formed factors affecting these traits.

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Tetralogy of Fallot (TOF) is a congenital heart defect characterized by four distinct heart abnormalities, which include an overriding aorta (where the aorta crosses both ventricles), a ventricular septal defect (VSD), right ventricular hypertrophy (the right ventricle muscle is thickened), and pulmonary stenosis (the pulmonary valve and artery are narrowed). Individuals suffering from TOF may exhibit pinkness, cyanosis at baseline, or episodes of hypercyanosis. The pathoanatomy of the TOF allows blood from the pulmonary and systemic circulations to mix.

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is the causal agent of several plant diseases affecting fruit and nut crops. strain SR1.6/6 was isolated from and shown to promote plant growth by producing phytohormones, providing nutrients, inhibiting , and preventing Citrus Variegated Chlorosis.

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Atopic dermatitis is a chronic inflammatory disorder with rising prevalence. The safety concerns over usually used steroids are driving the need for developing an effective atopic dermatitis treatment. The use of therapeutic agents such as cromolyn sodium (CS) is suggested.

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Lewisite is a chemical warfare agent intended for use in World War and a potential threat to the civilian population due to presence in stockpiles or accidental exposure. Lewisite-mediated skin injury is characterized by acute erythema, pain, and blister formation. N-acetyl cysteine (NAC) is an FDA-approved drug for acetaminophen toxicity, identified as a potential antidote against lewisite.

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Intracranial melanotic schwannoma is quite rare, and involvement of the trigeminal nerve is even rarer. Early diagnosis and surgical excision are the mainstays of management. These tumors have a high tendency to recur and there is high possibility of metastasis.

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Background: The lack of specialized geriatric healthcare in India, coupled with an aging population, has resulted in longer wait times, communication barriers, and a potential increase in unmet needs in a demographic that is already financially and socially vulnerable. This raises the need for exploring the perspectives and needs of the geriatric patient population to improve the quality and accessibility of the healthcare they receive.

Objectives: This study was conducted to assess the perceptions and perceived needs of geriatric patients regarding current healthcare and their attitudes toward specialized geriatric healthcare.

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NAL's hydrophilicity and the inherent lipophilic properties of the stratum corneum hinders its capacity for immediate delivery through skin in opioid rescue cases. In this study, we had sought to investigate the feasibility of using minimally invasive physical ablative techniques including sonophoresis, laser, dermaplaning, microneedles, and microdermabrasion for systemically delivering NAL via the skin. These techniques reduced lag time to NAL delivery to about 3-12 min from 71.

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Sorbitol is a major photosynthate produced in leaves and transported through the phloem of apple (Malus domestica) and other tree fruits in Rosaceae. Sorbitol stimulates its own metabolism, but the underlying molecular mechanism remains unknown. Here, we show that sucrose nonfermenting 1 (SNF1)-related protein kinase 1 (SnRK1) is involved in regulating the sorbitol-responsive expression of both SORBITOL DEHYDROGENASE 1 (SDH1) and ALDOSE-6-PHOSPHATE REDUCTASE (A6PR), encoding 2 key enzymes in sorbitol metabolism.

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