Asymmetrically dividing bacteria. Medical search. Frequent questions

Asymmetrically dividing bacteria and yeast also age. (wikipedia.org)
However, symmetrically dividing bacteria and yeast can be biologically immortal under ideal growing conditions. (wikipedia.org)
At that time, Robert Mortimer and John Johnston used microdissection, a technique that involves separating yeast daughter cells from their mothers after they divide, to demonstrate that yeast undergo a finite number of divisions before they die ( Mortimer and Johnston, 1959 ). (elifesciences.org)
This type of aging is called replicative aging, and it is defined by the number of times an individual yeast cell asymmetrically divides to produce a daughter. (elifesciences.org)

学术报告Is Polyploidy the Origin of Resistance in Bacteria and Cancer? (szu.edu.cn)
题目： Is Polyploidy the Origin of Resistance in Bacteria and Cancer? (szu.edu.cn)
Asymmetric inheritance of organelle and cellular compounds between daughter cells impacts on the phenotypic variability and was found to be a hallmark for differentiation and rejuvenation in stem-like cells as much as a mechanism for enhancing resistance in bacteria populations. (biorxiv.org)

Caulobacter crescentus dividing into a stalk daughter cell (top) and a motile daughter cell with a flagellum (bottom). (kenyon.edu)
Caulobacter crescentus is a single-celled, small bacterium that divides asymmetrically producing cells that differ in structure and function - it is an ideal model system for the mechanisms of asymmetric cell division and has been studied thoroughly. (kenyon.edu)
Caulobacter asymmetrically divides to produce two types of daughter cells that are functionally and structurally different. (kenyon.edu)
Caulobacter asymmetrically divides to produce a motile swarmer cell and a stalk cell. (kenyon.edu)
Her pioneering studies on the molecular mechanisms underlying cell shape and cell polarity in Caulobacter crescentus , says Errington, "have helped change the way people think about bacteria. (the-scientist.com)
When Caulobacter divides, it does so asymmetrically, producing daughter cells that have different fates. (the-scientist.com)

We found that although cell cytoplasm is divided symmetrically, mitochondria and membrane lipids are asymmetrically distributed between the two daughter cells and present a stable positive correlation with cytoplasm apportioning, which is incompatible with an independent division mechanism. (biorxiv.org)

These bacteria are usually non-motile, with sizes between 1.8 and 3.0 µm in diameter. (bioexplorer.net)
Prior to the decision to produce the spore the bacterium might become motile, through the production of flagella, and also take up DNA from the environment through the competence system. (up.ac.za)

The prokaryotic kingdom consists of unicellular microscopic microorganisms called bacteria . (bioexplorer.net)

For our microbiology experiment, crew prepared agar, which they used to grow the fungi and bacteria that were swabbed from different areas inside the Hab. (newmars.com)

General Information: This organism was one of the first bacteria studied, and was named Vibrio subtilis in 1835 and renamed Bacillus subtilis in 1872. (up.ac.za)

Many unicellular organisms age: as time passes, they divide more slowly and ultimately die. (wikipedia.org)

Assuming a minimal model of asymmetric partitioning where cell sub-components are divided according to a biased binomial statistics, we derived exact analytical relationships for the average fluorescence intensity and its fluctuations as a function of the generation, obtaining an excellent agreement with the experimental measurements. (biorxiv.org)

Nevertheless, the extent to which epigenetic information is asymmetrically inherited through ACD in other organisms and the mechanism by which this process occurs remains elusive. (elifesciences.org)
Such synthetic active particles mimic the active propulsion of biological species like bacteria or larger organisms 8 . (nature.com)

Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (lecturio.com)

That stalk cell will grow and at some point divide to produce another swarmer. (the-scientist.com)

Multi-chromosome-containing bacteria are able to divide asymmetrically at sub-lethal concentrations of ciprofloxacin and produce progeny with increased resistance. (szu.edu.cn)

Bacteriology (study of bacteria ) is a major part in Microbiology . (bioexplorer.net)
Matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS) has become a widely used technique for the rapid, accurate, durable, economical, and trustworthy method for identification of bacteria, mycobacteria and fungal pathogens in the microbiology laboratory. (annexpublishers.com)

The term is also used by biologists to describe cells that are not subject to the Hayflick limit on how many times they can divide. (wikipedia.org)
Biologists chose the word "immortal" to designate cells that are not subject to the Hayflick limit, the point at which cells can no longer divide due to DNA damage or shortened telomeres. (wikipedia.org)
Hydras are simple, freshwater animals possessing radial symmetry and contain post-mitotic cells (cells that will never divide again) only in the extremities. (wikipedia.org)
All hydra cells continually divide. (wikipedia.org)
These bacteria are round, flattened cells adjacent to each other. (bioexplorer.net)
These bacteria are usually found in pairs as two joined cells. (bioexplorer.net)
This arrangement is formed when bacteria divide into three perpendicular planes forming packets of 8 or more cells. (bioexplorer.net)
Observations demonstrate that EOCs exhibit in vivo two distinct CSC types - perivascular diploid CSCs dividing asymmetrically with the help of the host suicidal CD8+ T cells, and haploid CSCs at the cancer abdominal surface originating from meiosis I cytokinesis of bulk surface cancer cells. (annexpublishers.com)

In this article, we will explore different shapes of bacteria, examples, and diseases caused by bacteria . (bioexplorer.net)
Examples of tetrad-forming bacteria are Aerococcus , a urinary tract pathogen, Pediococcus , and Tetragenococcus , both of which ferment foods. (bioexplorer.net)

The rigidity of its cell wall determines the shape of a bacterium. (bioexplorer.net)

Here, we demonstrate that the nucleosome remodeling and deacetylase (NuRD) complex is asymmetrically segregated into the surviving daughter cell rather than the apoptotic one during ACDs in Caenorhabditis elegans . (elifesciences.org)
V-ATPase interacts with NuRD and is asymmetrically segregated into the surviving daughter cell. (elifesciences.org)

Rod-shaped bacteria can be found in several arrangements such as diplo (in pairs), strepto (in chains), cocco (oval), or in palisade arrangement. (bioexplorer.net)

Newton's Divided Difference Representation Before we discuss this method we shall state some definitions and introduce the accompanying notation. (forexpand.com)

This soil bacterium can divide asymmetrically, producing an endospore that is resistant to environmental factors such as heat, acid, and salt, and which can persist in the environment for long periods of time. (up.ac.za)

Retrotranposons are further divided into those containing long terminal repeats (LTRs), or LTR retrotransposons, and non-LTR retrotransposons, which are not flanked by LTRs. (biomedcentral.com)
Leaf segments are stiff, long, narrow, and linear in shape with entire margins and tips that are acute (the two sides are more or less straight and meet at an angle of less than 90°) or divided and asymmetrical. (treevitalize.com)

Jacobs-Wagner's career started off with a bang when, as a graduate student at the University of Liège in the early 1990s, she discovered that some bacteria can induce the enzyme beta-lactamase when exposed to antibiotics such cephalosporin, rendering them resistant to these drugs. (the-scientist.com)
In the early embryo, a myosin II-dependent contraction of the cortical meshwork asymmetrically distributes the highly conserved PDZ proteins PAR-3 and PAR-6, as well as an atypical protein kinase C (PKC-3), to the anterior. (biologists.com)
It localizes asymmetrically to the posterior of the early embryo in a PKC-3-dependent manner, and functions redundantly with PAR-2 to maintain polarity. (biologists.com)

This view was cemented further by the discovery of a limited degree of aging in the model bacterium Escherichia coli by Stewart and co-workers in 2005 [ 16 ]. (biomedcentral.com)
We are currently identifying and characterizing components that determine the asymmetric placement of the division septum in the rod-shaped model bacterium Bacillus subtilis when it initiates the differentiation pathway that culminates in the formation of a spore. (nih.gov)

During sporulation, an asymmetrically-positioned septum divides the cell into a larger mother cell which eventually moves forward to engulf the smaller forespore. (ucsd.edu)

We aim to visualize the process of sporulation in the bacterium B. subtilis using cryo-electron tomography (cryo-ET), a technique that allows the three-dimensional (3D) reconstruction of cellular structures in near-native state at molecular resolution. (ucsd.edu)
Most rod-shaped bacteria, including E. coli and B. subtilis , grow by inserting new cell-wall material into their lateral sidewalls 8 . (nature.com)

It helps the bacteria in the development of multicellular aggregates, during colonization in the Eukaryotic host, during predation, in motility and resistance. (javatpoint.com)

This complex organizes the apical-basal polarity of asymmetrically dividing neuroblasts, and may act via G-protein signalling. (pasteur.fr)

This observation highlights the complexity of animal DNA as compared to that of experimental models such as E coli bacteria. (medquizzes.net)

This form of peptidoglycan is found in almost all the bacteria as a surrounding membrane of the cytoplasm, just like an elastic net. (javatpoint.com)

The bacteria produce a protein called CtrA that controls when they generate these appendages. (technologynetworks.com)
In previously studied bacteria, aggregated protein is collected at the cell poles and is retained throughout consecutive cell divisions only in old pole-inheriting daughter cells, resulting in aggregation-free progeny within a few generations. (scilifelab.se)
Unexpectedly, in this bacterium, protein aggregates form as multiple distributed foci located throughout the cell volume. (scilifelab.se)
Therefore, our study has revealed a new pattern of protein aggregate inheritance in bacteria. (scilifelab.se)

In these bacteria, CtrA also regulates the cell cycle, determining whether a cell will divide evenly into two more of the same cell type, or divide asymmetrically to produce one swarmer and one stalk cell. (technologynetworks.com)
During sporulation, the cell divides asymmetrically to produce a smaller cell called forespore and a larger cell called mother cell which eventually engulfs the forespore. (ucsd.edu)
This requires good measuring sticks, systems that calculate distance from the ends and restrict the formation of the division site to the middle of a dividing cell. (asmblog.org)
Bacterial spore formation (called "sporulation") is a relatively simple developmental pathway in which a progenitor cell asymmetrically divides, then irreversibly commits to creating two genetically identical daughter cells that exhibit different cell fates (one daughter becomes a spore, and the other daughter nurtures the developing spore and eventually lyses). (nih.gov)
We are also investigating how a spherical bacterium, the human pathogen Staphylococcus aureus , correctly identifies mid-cell and regulates cell division. (nih.gov)
The ability of CSCs to asymmetrically divide, allowing the CSC to self-renew as well as differentiate to produce a heterogeneous tumor containing multiple cell phenotypes, was also identified. (biomedarts.com)

Caulobacterales are an especially well-studied group of bacteria, because they exist in two forms: a "swarmer" form that swims around freely, and a "stalked" form that attaches to a surface. (technologynetworks.com)

The organism's slow dividing time (once every 2 wk) contributes to the challenge of epidemiologically linking exposures to the development of disease. (medscape.com)
In which time-frame are each bacteria expected to be causative? (canadiem.org)

However, if the parent asymmetrically buds off a daughter only the daughter is reset to the youthful state-the parent isn't restored and will go on to age and die. (wikipedia.org)

Hydras are simple, freshwater animals possessing radial symmetry and contain post-mitotic cells (cells that will never divide again) only in the extremities. (wikipedia.org)
The chromatin interactions comprise a "second code" for gene regulation that, with vastly more genes and gene families, far transcends the simple operon models of bacteria. (medquizzes.net)

Biologists chose the word "immortal" to designate cells that are not subject to the Hayflick limit, the point at which cells can no longer divide due to DNA damage or shortened telomeres. (wikipedia.org)

Anatomy16

Organisms96

Diseases5

Chemicals and Drugs44

Analytical, Diagnostic and Therapeutic Techniques and Equipment22

Phenomena and Processes63

Disciplines and Occupations6

Technology, Industry, Agriculture4

Information Science4

Health Care18

Geographicals1

Yeast4

Resistance in Bacteria3

Caulobacter6

Symmetrically1

Motile2

Microorganisms1

Fungi1

Bacillus1

Unicellular1

Asymmetric1

Organisms2

Mitochondria1

Stalk cell1

Produce1

Microbiology2

Cells8

Examples2

Cell wall1

Daughter cell2

Found1

Method1

Environmental1

Long2

Early3

Model bacterium2

Septum1

Subtilis2

Multicellular1

Polarity1

Coli1

Membrane1

Protein4

Cell6

Form1

Time2

Daughter1

Simple2

Longer1