Academic literature on the topic 'Microbial inheritance'

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Journal articles on the topic "Microbial inheritance"

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Marguet, Aline, Marc Lavielle, and Eugenio Cinquemani. "Inheritance and variability of kinetic gene expression parameters in microbial cells: modeling and inference from lineage tree data." Bioinformatics 35, no. 14 (2019): i586—i595. http://dx.doi.org/10.1093/bioinformatics/btz378.

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Abstract Motivation Modern experimental technologies enable monitoring of gene expression dynamics in individual cells and quantification of its variability in isogenic microbial populations. Among the sources of this variability is the randomness that affects inheritance of gene expression factors at cell division. Known parental relationships among individually observed cells provide invaluable information for the characterization of this extrinsic source of gene expression noise. Despite this fact, most existing methods to infer stochastic gene expression models from single-cell data dedicate little attention to the reconstruction of mother–daughter inheritance dynamics. Results Starting from a transcription and translation model of gene expression, we propose a stochastic model for the evolution of gene expression dynamics in a population of dividing cells. Based on this model, we develop a method for the direct quantification of inheritance and variability of kinetic gene expression parameters from single-cell gene expression and lineage data. We demonstrate that our approach provides unbiased estimates of mother–daughter inheritance parameters, whereas indirect approaches using lineage information only in the post-processing of individual-cell parameters underestimate inheritance. Finally, we show on yeast osmotic shock response data that daughter cell parameters are largely determined by the mother, thus confirming the relevance of our method for the correct assessment of the onset of gene expression variability and the study of the transmission of regulatory factors. Availability and implementation Software code is available at https://github.com/almarguet/IdentificationWithARME. Lineage tree data is available upon request. Supplementary information Supplementary material is available at Bioinformatics online.
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Smith, David, Miryam Palacios-Pérez, and Sohan Jheeta. "The Enclosed Intestinal Microbiome: Semiochemical Signals from the Precambrian and Their Disruption by Heavy Metal Pollution." Life 12, no. 2 (2022): 287. http://dx.doi.org/10.3390/life12020287.

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It is increasingly likely that many non-communicable diseases of humans and associated animals are due to the degradation of their intestinal microbiomes, a situation often referred to as dysbiosis. An analysis of the resultant diseases offers an opportunity to probe the function of these microbial partners of multicellular animals. In our view, it now seems likely that vertebrate animals and their microbiomes have coevolved throughout the Ediacaran–Cambrian transition and beyond, operating by semiochemical messaging between the multicellular host and its microbial community guest. A consideration of the overall role of the mutualistic intestinal microbiome as an enclosed bioreactor throws up a variety of challenging concepts. In particular: the significance of the microbiome with respect to the immune system suggests that microeukaryotes could act as microbial sentinel cells; the ubiquity of bacteriophage viruses implies the rapid turnover of microbial composition by a viral-shunt mechanism; and high microbial diversity is needed to ensure that horizontal gene transfer allows valuable genetic functions to be expressed. We have previously postulated that microbes of sufficient diversity must be transferred from mother to infant by seemingly accidental contamination during the process of natural birth. We termed this maternal microbial inheritance and suggested that it operates alongside parental genetic inheritance to modify gene expression. In this way, the adjustment of the neonate immune system by the microbiome may represent one of the ways in which the genome of a vertebrate animal interacts with its microbial environment. The absence of such critical functions in the neonate may help to explain the observation of persistent immune-system problems in affected adults. Equally, granted that the survival of the guest microbiome depends on the viability of its host, one function of microbiome-generated semiochemicals could be to facilitate the movement of food through the digestive tract, effectively partitioning nutrition between host and guest. In the event of famine, downregulation of microbial growth and therefore of semiochemical production would allow all available food to be consumed by the host. Although it is often thought that non-communicable diseases, such as type 2 diabetes, are caused by consumption of food containing insufficient dietary fibre, our hypothesis suggests that poor-quality food is not the prime cause but that the tendency for disease follows the degradation of the intestinal microbiome, when fat build-up occurs because the relevant semiochemicals can no longer be produced. It is the purpose of this paper to highlight the possibility that the origins of the microbiome lie in the Precambrian and that the disconnection of body and microbiome gives rise to non-communicable disease through the loss of semiochemical signalling. We further surmise that this disconnect has been largely brought about by heavy metal poisoning, potentially illuminating a facet of the exposome, the sum total of environmental insults that influence the expression of the genetic inheritance of an animal.
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Feng, Ye, and Jing Zhang. "The Microorganism Investigation and Information Visualization Display in Qingliangshan Grottoes, Yan ’an." BIO Web of Conferences 59 (2023): 01007. http://dx.doi.org/10.1051/bioconf/20235901007.

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There are many grottoes of the Song and Jin Dynasties in northern Shaanxi, the Qingliangshan grottoes of Yan’an is typical representatives. Due to the influence of environmental and geographical factors, the microbial of the Qingliangshan grottoes have caused the surface weathering, pollution or discoloring of cultural relics, as well as the potential dangers, which have caused some damage to the grottoes. This paper based on the investigation of harmful microbial samples on the surface of the grottoes of Qingliangshan in northern Shaanxi Province. Using microscopy and molecular biology to analyze microbial communities, Understand the influence and harm of microorganisms on grottoes, then to display and publicize with graphical information, to make readers understand the influence of microbial disasters on the grottoes and further attract people’s attention. It is form a consensus on protecting the material and cultural heritage of grottoes and promote the inheritance of traditional Chinese culture.
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Pleška, Maroš, David Jordan, Zak Frentz, BingKan Xue, and Stanislas Leibler. "Nongenetic individuality, changeability, and inheritance in bacterial behavior." Proceedings of the National Academy of Sciences 118, no. 13 (2021): e2023322118. http://dx.doi.org/10.1073/pnas.2023322118.

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Isogenic populations often display remarkable levels of phenotypic diversity even in constant, homogeneous environments. Such diversity results from differences between individuals (“nongenetic individuality”) as well as changes during individuals’ lifetimes (“changeability”). Yet, studies that capture and quantify both sources of diversity are scarce. Here we measure the swimming behavior of hundreds of Escherichia coli bacteria continuously over two generations and use a model-independent method for quantifying behavior to show that the behavioral space of E. coli is low-dimensional, with variations occurring mainly along two independent and interpretable behavioral traits. By statistically decomposing the diversity in these two traits, we find that individuality is the main source of diversity, while changeability makes a smaller but significant contribution. Finally, we show that even though traits of closely related individuals can be remarkably different, they exhibit positive correlations across generations that imply nongenetic inheritance. The model-independent experimental and theoretical framework developed here paves the way for more general studies of microbial behavioral diversity.
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Faith, Jeremiah J., Jean-Frédéric Colombel, and Jeffrey I. Gordon. "Identifying strains that contribute to complex diseases through the study of microbial inheritance." Proceedings of the National Academy of Sciences 112, no. 3 (2015): 633–40. http://dx.doi.org/10.1073/pnas.1418781112.

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It has been 35 y since Carl Woese reported in PNAS how sequencing ribosomal RNA genes could be used to distinguish the three domains of life on Earth. During the past decade, 16S rDNA sequencing has enabled the now frequent enumeration of bacterial communities that populate the bodies of humans representing different ages, cultural traditions, and health states. A challenge going forward is to quantify the contributions of community members to wellness, disease risk, and disease pathogenesis. Here, we explore a theoretical framework for studies of the inheritance of bacterial strains and discuss the advantages and disadvantages of various study designs for assessing the contribution of strains to complex diseases.
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Noyer, Charlotte, Emilio O. Casamayor, and Mikel A. Becerro. "Environmental Heterogeneity and Microbial Inheritance Influence Sponge-Associated Bacterial Composition of Spongia lamella." Microbial Ecology 68, no. 3 (2014): 611–20. http://dx.doi.org/10.1007/s00248-014-0428-z.

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Kong, Hyun Gi, Geun Cheol Song, and Choong‐Min Ryu. "Inheritance of seed and rhizosphere microbial communities through plant–soil feedback and soil memory." Environmental Microbiology Reports 11, no. 4 (2019): 479–86. http://dx.doi.org/10.1111/1758-2229.12760.

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Kemp, Keri M., Jackson Colson, Robin G. Lorenz, Craig L. Maynard, and Jennifer S. Pollock. "Early life stress in mice alters gut microbiota independent of maternal microbiota inheritance." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 320, no. 5 (2021): R663—R674. http://dx.doi.org/10.1152/ajpregu.00072.2020.

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Exposure to early life stress (ELS) is associated with a greater risk of chronic disease development including depression and cardiovascular disease. Altered gut microbiota has been linked to both depression and cardiovascular disease in mice and humans. Rodent models of early life neglect are used to characterize the mechanistic links between early life stress (ELS) and the risk of disease later in life. However, little is understood about ELS exposure and the gut microbiota in the young mice and the influence of the maternal inheritance of the gut microbiota. We used a mouse model of ELS, maternal separation with early weaning (MSEW), and normally reared mice to determine whether the neonate microbiota is altered, and if so, are the differences attributable to changes in dam microbiota that are then transmitted to their offspring. Individual amplicon sequence variants (ASVs) displayed differential abundance in the microbiota of MSEW compared with normally reared pups at postnatal day ( PD) 28. Additionally, ELS exposure reduced the alpha diversity and altered microbial community composition at PD28. The composition, levels of alpha diversity, and abundance of individual ASVs in the microbiota of dams were similar from MSEW or normally reared cohorts. Thus, the observed shifts in the abundance of individual bacterial ASVs in the neonates and young pups are likely driven by endogenous effects of MSEW in the offspring host and are not due to inherited differences from the dam. This knowledge suggests that exposure to ELS has a direct effect on microbial factors on the risk of chronic disease development.
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Mirzaee, Malihe, Edita Holásková, Alžbeta Mičúchová, David J. Kopečný, Zhila Osmani, and Ivo Frébort. "Long-Lasting Stable Expression of Human LL-37 Antimicrobial Peptide in Transgenic Barley Plants." Antibiotics 10, no. 8 (2021): 898. http://dx.doi.org/10.3390/antibiotics10080898.

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Antimicrobial peptides play a crucial role in the innate immune system of multicellular organisms. LL-37 is the only known member of the human cathelicidin family. As well as possessing antibacterial properties, it is actively involved in various physiological responses in eukaryotic cells. Accordingly, there is considerable interest in large-scale, low-cost, and microbial endotoxin-free production of LL-37 recombinant peptides for pharmaceutical applications. As a heterologous expression biofactory, we have previously obtained homologous barley (Hordeum vulgare L.) as an attractive vehicle for producing recombinant human LL-37 in the grain storage compartment, endosperm. The long-term stability of expression and inheritance of transgenes is necessary for the successful commercialization of recombinant proteins. Here, we report the stable inheritance and expression of the LL-37 gene in barley after six generations, including two consecutive seasons of experimental field cultivation. The transgenic plants showed normal growth and remained fertile. Based on the bacteria viability test, the produced peptide LL-37 retained high antibacterial activity.
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Abdel Jaleel, Usama, Qabas Natheer Lateef, and Nassam Emad Daem. "Microbial Flora in Stable Chronic Plaque Psoriasis ( A random study of 12 patients )." AL-QADISIYAH MEDICAL JOURNAL 3, no. 4 (2017): 146–50. http://dx.doi.org/10.28922/qmj.2007.3.4.146-150.

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Psoriasis vulgaris is a common, chronic, recurrent, inflammatory disease of the skin characterized by round, erythematous, dry scaly plaques of various sizes. The lesions have predilection for he scalp, nails and extensor surfaces of limbs, elbows &knees. Psoriasis is characterized by three main pathogenic features: abnormal differentiation, keratinocyte hyperproliferation & inflammation .Accelerated epidermopoisis has been considered to the fundamental pathologic event in psoriasis (1). The cause for that is still unknown, however, psoriasis is thought be to an auto-immune disorder influenced by some inheritance interplaying with acquired environmental factors (i.e. stress, hypocalcaemia, hormonal disturbances, infections).Due to the strong association between microbial skin flora &infections influencing psoriasis, we should focus on this flora & its change.
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Books on the topic "Microbial inheritance"

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Fox, Thomas. New Scientific Paradigm: Testohistorodynamic Theory of Human Evolution Through Viral and Microbial Symbiogenesis and Epigenetic Inheritance. Independently Published, 2018.

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Book chapters on the topic "Microbial inheritance"

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Yasuda, Kenji. "Algebraic and Geometric Understanding of Cells: Epigenetic Inheritance of Phenotypes Between Generations." In High Resolution Microbial Single Cell Analytics. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/10_2010_97.

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Davis, Rowland H. "Cytoplasmic Inheritance." In The Microbial Models of Molecular Biology. Oxford University Press, 2003. http://dx.doi.org/10.1093/acprof:oso/9780195154368.003.0013.

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Burland, Timothy G., Lilianna Solnicakrezel, Juliet Bailey, David B. Cunningham, and William F. Dove. "Patterns of Inheritance, Development and the Mitotic Cycle in the Protist Physarum polycephalum." In Advances in Microbial Physiology. Elsevier, 1993. http://dx.doi.org/10.1016/s0065-2911(08)60096-x.

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Ghazanfar, Shakira. "Understanding the Mechanism of Action of Indigenous Target Probiotic Yeast: Linking the Manipulation of Gut Microbiota and Performance in Animals." In Saccharomyces. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95822.

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The gut associated microbiota of animal plays crucial rule in the conversion to accessible nutrients for improve animal health and well-beings. Probiotic yeast (PY) is commonly use to manipulate the gut microbial balance by inhibits the disease-causing microbes and increase the number and function of desirable microbes. PY produce many fermentation metabolites, intercellular effectors, minerals and enzymes that make it an idea nutritive feed supplement for ruminants. The mode of action of the PY is depends on the animal biological inheritance, breed, managemental condition and microbial feeding type. Therefore, PY must formulate using same ecological origin, alone with desirable target; as it would be more compatible with gut ecoysytem and would yield maximum outputs as compare to non-target or foreign probiotic (FP). Therefore, for development of the Indigenous Target Probiotic (ITP), the isolation source must be same ecological region with desirable target like improve animal health and productivity. In the situation of the increase food storage around the world, ITP may provide a useful feed supplements to improve the food production in cost effective manner as compare to FP. Probiotic effectiveness is considered to be population/breed/target specific due to difference in the feed intake, change gut microflora, different food habits and different host-microbial interactions. In this chapter, we will highlight the preparation of the ITP yeast and its mode of action on animal gut microbiota.
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Schrader, Astrid. "Reading Science – Caring with Microbes." In Methods and Genealogies of New Materialisms. Edinburgh University Press, 2023. https://doi.org/10.3366/edinburgh/9781399530057.003.0008.

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This chapter introduces “reading science” as a feminist new materialist practice that is both deconstructive (after Jacques Derrida) in the sense that it modifies scientific discourses from within the science and diffractive (after Karen Barad) in the sense that the scientific accounts are made to interfere with feminist theories. While focusing on scientific accounts of marine microbes that update understandings of microbial existences in the Anthropocene, it also engages with critiques of new materialism. I propose that a careful reading of microbiology might change the “scene of writing” from within biology. Making sense of newly affirmed phenomena such as the circadian rhythms of cyanobacteria (that do not live a day) requires new ontologies that replace the priority of being and presence with inheritance and transgenerational communications: that is, a hauntology as introduced by Derrida. I argue that these biohauntings make explicit the contribution of scientific observation to the observed phenomenon. “Caring with” articulates two relationships at once: between science studies and science, on the one hand and between scientists and their “object” of study, on the other. “Caring with microbes” requires that scientific practices be read.
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