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Восстановление ТРНС последнего универсального общего пастора (Общества) на пути к восстановлению системы перевода Древних.

Реконструирование ансестральной последовательности (АСР) было использовано для изучения эволюции переводческой системы путем определения последовательности tRNA в "Last Archaeal Common Ancestor" (LACA), "Last Bacterial Common Ancestor" (LBCA) и "Last Universal Common Ansancestor" (LUCA), которые в наших предыдущих исследованиях назывались "Общество". Составное филогенетическое дерево, взятое из реконструированных последовательности ТРНА, выявило топологию, отличную от ранее выведенных аминоачил-тРНА синтетазы (АРС). Такая непоследовательность может отражать изменения в структурных особенностях

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… Nucleic Acids Res 38:672–682. 10.1093/nar/gkp955 Nameki N (1995) Identity elements of tRNA Thr towards saccharomyces cerevisiae threonyl-tRNA synthetase. … Biochem Biophys Res Comm 189:856–862. 10.1016/0006-291X(92)92282-3 Nameki N, Asahara H, Shimizu M, Okada N, Himeno H (1995) Identity elements of Saccharomyces cerevisiae tRNA His . …

Cyanobacterial Peptides in Anticancer Therapy: A Comprehensive Review of Mechanisms, Clinical Advances, and Biotechnological Innovation.

Cyanobacteria-derived peptides represent a promising class of anticancer agents due to their structural diversity and potent bioactivity. They exert cytotoxic effects through mechanisms including microtubule disruption, histone deacetylase inhibition, and apoptosis induction. Several peptides-most notably the dolastatin-derived auristatins-have achieved clinical success as cytotoxic payloads in antibody-drug conjugates (ADCs). However, challenges such as limited tumor selectivity, systemic toxicity, and production scalability remain barriers to broader application. Recent advances in targeted

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… Yeast ( Saccharomyces cerevisiae ): Yeast has emerged as a promising host for complex cyanobacterial pathways. In one study, a cyanobacterial NRPS-PKS pathway was reconstructed in S. cerevisiae to produce the sunscreen peptide shinorine. …

Metagenomics next-generation sequencing for diagnosis of invasive fungal diseases in patients with hematological diseases.

ObjectivesTo investigate the clinical characteristics and risk factors of invasive fungal disease (IFD) in patients with hematological disorders.MethodsFrom January 2023 to January 2025, 67 patients with blood diseases hospitalized at the Hematology Department who were suspected of infection with IFD underwent metagenomic next-generation sequencing (mNGS) and fungal pathogen detection. Their clinical characteristics and laboratory examinations were retrospectively analyzed.ResultsA cohort of 67 patients was enrolled in the study, among which 32 cases were diagnosed with IFD through mNGS and et

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… In the IFD group, Candida was detected in 15 cases (46.88%), Aspergillus in six cases (18.75%), Pneumocystis in four cases (12.5%), Rhizomucor in four cases (12.5%), Saccharomyces in two cases (6.25%), and Malassezia in one case (3.12%) ( Figure 1 ). …

Nramp1-mediated innate resistance to intraphagosomal pathogens is regulated by IRF-8, PU.1, and Miz-1.

Natural resistance-associated macrophage protein 1 (Nramp1) is a proton/divalent cation antiporter exclusively expressed in monocyte/macrophage cells with a unique role in innate resistance to intraphagosomal pathogens. In humans, it is linked to several infectious diseases, including leprosy, pulmonary tuberculosis, visceral leishmaniasis, meningococcal meningitis, and human immunodeficiency virus as well as to autoimmune diseases such as rheumatoid arthritis and Crohn's disease. Here we demonstrate that the restricted expression of Nramp1 is mediated by the macrophage-specific transcription

Induction of murine HRD1 in experimental cerebral ischemia.

Hrd1p in yeast plays an important role in endoplasmic reticulum-associated degradation (ERAD). In the present study, we used an in vivo model of hypoxia-ischemia in mice to study the expression of murine HRD1. Hypoxia-ischemia induced a significant increase in mRNA levels of genes including GRP78, CHOP and MyD116, the expression of which are specifically activated under conditions associated with ER dysfunction. The level of mHRD1 mRNA was significantly increased after ischemia. Interestingly, induction of mHRD1 was elevated at a later time point (12-48 h) in the ischemic cortex, whereas it in

Gemin5, a novel WD repeat protein component of the SMN complex that binds Sm proteins.

The survival of motor neurons (SMN) protein is the product of the disease gene of spinal muscular atrophy and is found both in the cytoplasm and the nucleus, where it is concentrated in gems. SMN is part of a multi-protein complex that includes Gemin2, Gemin3, and Gemin4. The SMN complex plays an important role in the cytoplasmic assembly of small nuclear ribonucleoproteins (snRNPs) and likely other RNPs in pre-mRNA splicing and in the assembly of transcriptosomes. Here, we report the identification of an additional component of the SMN complex, a novel WD repeat protein termed Gemin5. Gemin5

Advanced Technologies for Large Scale Supply of Marine Drugs.

Marine organisms represent a source of unique chemical entities with valuable biomedical potentialities, broad diversity, and complexity. It is essential to ensure a reliable and sustainable supply of marine natural products (MNPs) for their translation into commercial drugs and other valuable products. From a structural point of view and with few exceptions, MNPs of pharmaceutical importance derive from the so-called secondary metabolism of marine organisms. When production strategies rely on marine macroorganisms, harvesting or culturing coupled with extraction procedures frequently remain t

Сложные связи между человеком и бактериями: связи между множественным склерозом и микробиомом человека.

Множественный склероз (MS) — хроническое иммунопосредованное заболевание центральной нервной системы, патогенез которого связан со сложным взаимодействием между генетической предрасположенностью, экологическими факторами и дисрегуляцией иммунной реакции. Этот обзор критически обобщает имеющиеся данные исследований, демонстрирующих значительные изменения в составе микробиома человека у отдельных лиц с MS. В ходе этой работы обобщается нынешнее состояние знаний о составе, разнообразии и дисбиозе кишечного микробиома в MS, при этом подчеркивается неоднородность наблюдаемых микробных изменений в з

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… In the MS group, an overrepresentation of fungi from the genera Saccharomyces and Aspergillus was observed, and their abundance correlated with immunological parameters, including circulating basophil counts, regulatory B cell levels, and activated CD16 + dendritic cells (Gargano et al. 2022 ). … Fungal isolates, particularly Candida albicans and Saccharomyces cerevisiae , induced stronger T cell activation in patients with MS, especially among MAIT cells, which exhibited increased CD69 expression. …

Hypothesis: are neoplastic macrophages/microglia present in glioblastoma multiforme?

Most malignant brain tumours contain various numbers of cells with characteristics of activated or dysmorphic macrophages/microglia. These cells are generally considered part of the tumour stroma and are often described as TAM (tumour-associated macrophages). These types of cells are thought to either enhance or inhibit brain tumour progression. Recent evidence indicates that neoplastic cells with macrophage characteristics are found in numerous metastatic cancers of non-CNS (central nervous system) origin. Evidence is presented here suggesting that subpopulations of cells within human gliomas

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… They showed that various tumour cells, grown either in vitro or in vivo, underwent a yeast-induced apoptosis after engulfing Saccharomyces cerevisiae . Recent studies indicate that similar approaches could have therapeutic efficacy in GBM. … Cancer Detect Prev 2004 28 17 26 15041073 10.1016/j.cdp.2003.10.001 Ghoneum M Hamilton J Brown J Gollapudi S Human squamous cell carcinoma of the tongue and colon undergoes apoptosis upon phagocytosis of Saccharomyces cerevisiae , the baker's yeast, in vitro . …

Молекулярная основа для человеческой митохондриальной модификации tRNA m3C с помощью альтернативной разбрызгивания METTL8.

METTL8 недавно был определен как катализатор метилпереносазы 3-methylcytidine Биогенез на месте 32 (м3С32) митохондриальных tRNA. METTL8 также потенциально участвует в мRNA метилации и R-loop Biogenesis. Как METTL8 играет многообразную роль в разных камерах, и митохондриальное образование митохондриала tRNA m3C остается неясным. Здесь мы обнаружили, что альтернативное скрещивание mRNA вызвало несколько изоформ METTL8. One (изоформ)METTL8-Iso1) был направлен на митохондрию через N-терминальную предпоследнюю последовательность, в то время как другой one (В тыс.METTL8-Iso4) в основном локализован

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… The plasmid expressing Saccharomyces cerevisiae Sua5 ( Sc Sua5) (UniProt No. P32579 ) was constructed and expressed as reported previously ( 19 , 24 ). All primers used in gene cloning are listed in Supplementary Table 1 . … Actin-binding protein ABP140 is a methyltransferase for 3-methylcytidine at position 32 of tRNAs in saccharomyces cerevisiae . RNA . 2011 ; 17 : 1111 – 1119 . 21518805 10.1261/rna.2653411 PMC3096043 6. D'Silva S. , Haider S.J. , Phizicky E.M. …

The human actin-related protein hArp5: nucleo-cytoplasmic shuttling and involvement in DNA repair.

Certain actin-related proteins (Arps) of budding yeast are localized in the nucleus, and have essential roles as stoichiometric components of histone acetyltransferase (HAT) and chromatin remodeling complexes. On the other hand, identification of vertebrate nuclear Arps and their functional analyses are just beginning. We show that human Arp5 (hArp5) proteins are localized in the nucleus, and that arp5Delta yeast cells are partially complemented by hArp5. Thus, hArp5 is a novel member of the nuclear Arps of vertebrates, which possess evolutionarily conserved functions from yeast to humans. We

DPY-27:a chromosome condensation protein homolog that regulates C. elegans dosage compensation through association with the X chromosome.

dpy-27 is an essential dosage compensation gene that acts to reduce expression of both hermaphrodite X chromosomes. The DPY-27 protein becomes specifically localized to the X chromosomes of wild-type XX embryos, but remains diffusely distributed throughout the nuclei of male (XO) embryos. In xol-1 mutant XO embryos that activate the XX mode of dosage compensation and die from inappropriately low X chromosome transcript levels, DPY-27 becomes localized to X. Therefore, sex specificity of the dosage compensation process is regulated at the step of DPY-27 X chromosome localization. DPY-27 exhibit

Harnessing live vectors for cancer vaccines: Advancing therapeutic immunotherapy.

Cancer vaccines represent a promising approach within immunotherapies. These vaccines are tailored to target tumor-specific antigens, thereby offering a precision approach to cancer treatment. The key principles in developing therapeutic cancer vaccines include identifying appropriate vaccine targets and selecting effective vaccine delivery platforms. These delivery platforms are diverse and have evolved to enhance the immune response. This review explores live cancer vaccines and the biological entities involved. Live cancer vaccines leverage the use of various biological entities to stimulat

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… GI-6207 is a yeast-CEA vaccine, genetically modified to express the recombinant CEA protein using heat-killed Saccharomyces cerevisiae as a vector. …

Исцеление литических повреждений и восстановление костного здоровья в множестве миеломы посредством ингибиции склеростинов.

Множественная миелома (ММ) связана с изнурительным заболеванием костей, которое создает серьезные терапевтические проблемы. Болезнь костей MM характеризуется повышенной ресорбцией костей и подавлением остеобластов, что препятствует ремонту поврежденных костей. Склеростин, антагонист Wnt сигнализатора, выше у пациентов MM, и его ингибиция с нейтрализующим антителом (Scl-ab) была продемонстрирована для восстановления остеобластной функции в мышиных моделях MM. Однако остается неясным, может ли Scl-ab способствовать ремонту скелета, обеспечивать эффективный контроль над опухолью в сочетании с ант

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… Nookaew I Papini M Pornputtapong N Scalcinati G Fagerberg L Uhlén M A comprehensive comparison of RNA-Seq-based transcriptome analysis from reads to differential gene expression and cross-comparison with microarrays: a case study in Saccharomyces cerevisiae Nucleic Acids Res 2012 40 20 10084 97 22965124 … A comprehensive comparison of RNA-Seq-based transcriptome analysis from reads to differential gene expression and cross-comparison with microarrays: a case study in Saccharomyces cerevisiae. Nucleic Acids Res. 2012;40(20):10084–97. 22965124 10.1093/nar/gks804 PMC3488244 21. …

Switch-mediated activation and retargeting of CAR-T cells for B-cell malignancies.

Chimeric antigen receptor T (CAR-T) cell therapy has produced impressive results in clinical trials for B-cell malignancies. However, safety concerns related to the inability to control CAR-T cells once infused into the patient remain a significant challenge. Here we report the engineering of recombinant antibody-based bifunctional switches that consist of a tumor antigen-specific Fab molecule engrafted with a peptide neo-epitope, which is bound exclusively by a peptide-specific switchable CAR-T cell (sCAR-T). The switch redirects the activity of the bio-orthogonal sCAR-T cells through the sel

Mammalian Bet3 functions as a cytosolic factor participating in transport from the ER to the Golgi apparatus.

The TRAPP complex identified in yeast regulates vesicular transport in the early secretory pathway. Although some components of the TRAPP complex are structurally conserved in mammalian cells, the function of the mammalian components has not been examined. We describe our biochemical and functional analysis of mammalian Bet3, the most conserved component of the TRAPP complex. Bet3 mRNA is ubiquitously expressed in all tissues. Antibodies raised against recombinant Bet3 specifically recognize a protein of 22 kDa. In contrast to yeast Bet3p, the majority of Bet3 is present in the cytosol. To inv

Intestinal barrier functions in hematologic and oncologic diseases.

The intestinal barrier is a complex structure that not only regulates the influx of luminal contents into the systemic circulation but is also involved in immune, microbial, and metabolic homeostasis. Evidence implicating disruption in intestinal barrier functions in the development of many systemic diseases, ranging from non-alcoholic steatohepatitis to autism, or systemic complications of intestinal disorders has increased rapidly in recent years, raising the possibility of the intestinal barrier as a potential target for therapeutic intervention to alter the course and mitigate the complica

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… Despite a lack of US FDA regulation, the most well-studied products with regards to safety are Lactobacillus , Bifidobacterium , and Saccharomyces boulardii . … Fungemia and other fungal infections associated with use of Saccharomyces boulardii probiotic supplements. Emerg Infect Dis. 2021;27:2090–2096. doi: 10.3201/eid2708.210018. 121. Ladas EJ, Bhatia M, Chen L. …

Probiotics for the prevention of pediatric antibiotic-associated diarrhea.

BACKGROUND: Antibiotics alter the microbial balance commonly resulting in antibiotic-associated diarrhea (AAD). Probiotics may prevent AAD v … dobacterium spp., Clostridium butyricum, Lactobacilli spp., Lactococcus spp., Leuconostoc cremoris, Saccharomyces spp., orStreptococcus spp., alone or in combination. The risk of bias was determined to be high in 20 studies and low in 13 studies. Complete case (patients who did not complete the studies were not included in the analysis) results from 33 trials r …

The Link Between the Gut Microbiome and Bone Metastasis.

The gut microbiome is essential for regulating host metabolism, defending against pathogens, and shaping the host's immune system. Mounting evidence highlights that disruption in gut microbial communities significantly impacts cancer development and treatment. Moreover, tumor-associated microbiota, along with its metabolites and toxins, may contribute to cancer progression by promoting epithelial-to-mesenchymal transition, angiogenesis, and metastatic spread to distant organs. Bones, in particular, are common sites for metastasis due to a rich supply of growth and neovascularization factors an

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… . | Terminated An orally administered diet enriched with polyamine-rich Saccharomyces cerevisiae S631 prevented osteoclastic activation in the ovariectomized murine model [ 124 ]. Also, there is a connection between iron metabolism and bone health. … Daily intake of polyamine-rich Saccharomyces cerevisiae S631 prevents osteoclastic activation and bone loss in ovariectomized mice. Food Sci. Biotechnol. 2019;28:1241–1245. doi: 10.1007/s10068-019-00561-4. 125. …

Viral Respiratory Tract Infections in Allogeneic Hematopoietic Stem Cell Transplantation Recipients in the Era of Molecular Testing.

Viral respiratory tract infection (vRTI) is a significant cause of morbidity and mortality in patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). This study aimed to assess the epidemiologic characteristics, risk factors, and outcomes of vRTI occurring in the period from conditioning to 100 days after allo-HSCT in the era of molecular testing. This study was a retrospective record review of patients who underwent allo-HSCT at Royal Melbourne Hospital between January 2010 and December 2015. Symptomatic patients were tested using respiratory multiplex polymerase c

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… (n = 1), Saccharomyces cervisiae (n = 1), and P. jirovecii (n = 1). No episodes met the European Organization for Research and Treatment of Cancer/Mycoses Study Group criteria for invasive fungal disease. The nonrespiratory viruses isolated were CMV and HHV-6. …