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fission in Medical News

Research points to a new way to protect kidneys threatened by insufficient blood or toxins

... fragmentation is blocked, it can save the cells and the kidneys," he says. Dr. Dong and his colleagues used an inhibitor of the natural fission process mitochondria use to multiply. They will further examine the cell death pathway - and try blocking it - in human kidney biopsies and ...

Yeast mimics severity of mutations leading to fatal childhood illness

... created a variety of mutations based on CLN3 gene defects identified in Batten disease patients. They studied the effects of these mutations in a fission yeast protein highly similar to CLN3. The research team found that human mutations that caused a severe Batten disease progression likewise caused ...

SNM expresses serious concerns as isotope shortage looms

... at Petten produces molybdenum-99 (Mo-99), which is the most widely used isotope in nuclear medicine. Mo-99 is artificially produced through the fission process and has a half-life of 66 hours, meaning that it cannot be produced and stored. Unlike traditional pharmaceuticals, which are dispensed by ...

Innovative yeast genome may handle Cancer Clues

... Cancer Research UK has sequenced the genome of fission yeast, a cousin of the brewer's yeast whose ... was mapped. Fifty of the 4,000 genes in the fission yeast genome, which is reported in the science ... By studying the smaller and simpler genome of fission yeast, scientists hope to discover new clues ...
fission in Medical Definition

Nuclear medicine

... Refined radionuclides for use in nuclear medicine are derived from fission or fusion processes in nuclear reactors , which produce radioisotopes ... technology Nuclear engineering Nuclear physics • Nuclear fission • Nuclear fusion • Radiation • Ionizing radiation • Atomic nucleus ...
fission in Biological News

Baumann lab identifies elusive telomere RNA subunit in single cell model

... of telomerase in Schizosaccharomyces pombe, or fission yeast. The identification of the fission yeast equivalent of the telomerase RNA gene ... the fact that the RNA subunit was unknown in our fission yeast model system severely limited our ability ...

Wistar Institute researcher receives 'New Innovator' award from NIH

... at Cold Spring Harbor Laboratory, he mapped an uncharted region of the fission yeast genome and published the results in Science a notable feat for a fledgling researcher. He went on to further elucidate genome dynamics in fission yeast as a staff scientist at the National Cancer Institute's Laboratory ...

How molecular muscles help cells divide

... was no plausible mechanism to explain how it worked. We found that fission yeast cells assemble their contractile ring using a search, capture, pull ... the cells. Future work will involve testing the concepts learned from fission yeast in other cells to learn if the mechanism is universal, said Pollard. ...

CSHL researchers explain process by which cells 'hide' potentially dangerous DNA segments

... histone H3, at a specific spot the ninth residue, which happens to be the amino acid lysine (K). This mark is therefore called H3K9me. In fission yeast, a model system used for studying heterochromatin mechanisms because of its comparative simplicity, the precise pattern of methylation depends ...

Scientists develop method for comprehensive proteome analysis

... Medical Research (Burnham) have deciphered a large percentage of the total protein complement (proteome) in Schizosaccharomyces pombe ( S. pombe ) fission yeast. Laurence Brill, Khatereh Motamedchaboki, Ph.D. and lead investigator Dieter Wolf, Ph.D., developed the novel method, used to identify 4,600 ...

American Institute of Physics announces awards for best science writing

... already gathering. Just two months before the Copenhagen meeting, the neutron was discovered. This would lead directly to the discovery of nuclear fission a few years later and the construction of the first atom bomb a few years after that. All this would take place against a backdrop of horrors that ...

Genome of simplest animal reveals ancient lineage, confounding array of complex capabilities

... capabilities begs additional consideration. While it has been observed to motor around via cilia, eat by mounting its prey, and reproduce by fission (pulling itself into pieces)it may in fact have a secret sex life. "Some of our new placozoan species show frequent sexual reproduction while others ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, April 2008

... The fuel elements are built from thousands of tiny uranium-containing spheres coated with carbon and silicon carbide to contain the radioactive fission products. The coated particles are compacted by a special process into fuel sticks and loaded into a graphite form. The fuel work for this first test ...

Linheng Li Lab documents the development of cancer stem cells

... can lead to changes that may increase the number of stem cells and change their position or location," said Dr. Li. "These changes result in crypt fission and budding and can lead to intestinal polyposis and uncontrolled tumor growth." "All of us were very excited to be part of these efforts to ...
fission in Biological Technology

iNutrition Launches New Fission Fruit Nutrition Bars

... ) today announced the launch of fission Fruit Bars, its new all natural line of nutrition bars. fission Fruit Bars are available at http://www.fissionbars.com, and come in three varieties; fission Fruit, Fission Energy, ...

Researchers at the University of Georgia Discover Protein is Crucial to Reproduction of Parasites Involved in Disease

... from acquiring this essential organelle. It results in the death of the parasite. "Understanding that DrpA is necessary for apicoplast fission gives researchers a new working model to understand how the causative agents of several parasitic diseases flourish in human and animal hosts," ...

Using supercomputers to make safer nuclear reactors

... team will construct an incredibly detailed computer model of an SFR. The model will allow researchers to zoom in and watch as individual molecules of fission gas and fuel material interact with other molecules inside the reactor, or zoom out to simulate and test the behavior of the reactor as a whole. ...

Yeast Protein Production System Features High Yields and One-Step Purification

... Bryan Macilko and Allison Fowler for media preparations. REFERENCES Sipiczki, M. (1989) In Molecular Biology of fission Yeast (A. Nisim, P. Young, and B.F. Johnson, eds). Academic Press, San Diego, Calif. Smith, D.B., and Johnson, K.S. (1988) ...
fission in Biological Definition

Cell growth

... such as bacterial cells reproduce by binary fission , a process that includes DNA replication, ... the two " nuclear division" processes. Binary fission is similar to eukaryotic cell reproduction that ... individual articles on DNA replication , binary fission , mitosis , meiosis , and cytokinesis . The ...

Bacterium

... only asexually , not sexually . Specifically they reproduce by binary fission , or simple cell division. During this process, one cell divides into two ... Bacteria, having acquired DNA from any of these events, can then undergo fission and pass the recombined genome to new progeny cells. Many bacteria ...

Bacterium

... only asexually , not sexually . Specifically they reproduce by binary fission , or simple cell division. During this process, one cell divides into two ... Bacteria, having acquired DNA from any of these events, can then undergo fission and pass the recombined genome to new progeny cells. Many bacteria ...

Reproduction

... and jellyfish , may also sexually reproduce. Most plants are capable of vegetative reproduction . Other ways of asexual reproduction are binary fission , fragmentation and spore formation . There are a wide range of reproductive strategies employed by different species. Some animals, like the ...

Cell division

... (the growth of tissue ) and to procreation ( vegetative reproduction ) in unicellular organisms . Prokaryotic cells divide by binary fission . Eukaryotic cells usually undergo a process of nuclear division, called mitosis , followed by division of the cell, called cytokinesis . A ...

Endosymbiotic theory

... composition is like that of a prokaryotic cell membrane. New mitochondria and chloroplasts are formed only through a process similar to binary fission . In some algae , such as Euglena , the chloroplasts can be destroyed by certain chemicals or prolonged absence of light without otherwise ...

Eukaryote

... of which is folded into invaginations called cristae, where aerobic respiration takes place. They contain their own DNA and are only formed by the fission of other mitochondria. They are now generally held to have developed from endosymbiotic prokaryotes, probably proteobacteria . The few protozoa ...

Microbiology

... ) Cells can easily survive in isolation from other cells Unicellular eukaryotes reproduce by mitotic division and prokaryotes by binary fission . This allows for the propagation of genetically identical ( clonal ) populations. They may be frozen for long periods of time. Even if 90% of the ...

Mitosis

... and only have a single chromosome with no centromere, they cannot be properly said to undergo mitosis. Instead they undergo what is known as binary fission . Phases Prophase Main article: Prophase The genetic material ( DNA ), which normally exists in the form of chromatin ...

Prokaryote

... also have various small circular pieces of DNA called plasmids spread throughout the cell. Reproduction is exclusively asexual , through binary fission , where the chromosome is duplicated and attaches to the cell membrane, and then the cell divides in two. However, they show a variety of parasexual ...

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fission in Biological Dictionary

Binary fission

... Binary fission , or prokaryotic fission , is the form of asexual reproduction and cell ... to the size of the original cell. binary fission n. A method of asexual reproduction that ...

S phase

... Word of the Day, and word games. The Forsburg Lab pombe pages: fission yeast DNA replication ... This page describes S phase control in fission yeast, and provides links to ... Damage to DNA after S phase (the ...

Moneran

... moneran - organisms that typically reproduce by asexual budding or fission and ... Learn and research science, biology, chemistry, electronics, ... which lacks membrane-bound organelles. Possess a cell wall ... fission (a single cell divides into two new cells) Sexual ... Shop for The ...

Gene conversion

... respects in our ... that gene conversion between duplicated ... fission yeast gene conversion list ... fission Yeast Gene Conversion Table ... If you can't find the gene you want ...

Micronucleus

... A micronucleus is the smaller nucleus in ciliate protozoans, such as the paramecium. In fission it divides by mitosis, and in conjugation furnishes the pairing of gamete nuclei, by whose reciprocal fusion a zygote nucleus is formed, ...

Mass spectrometry

... ... Samples can be submitted at any of the three mass spectrometry laboratories. ... Plasma Desorption Mass Spectrometry (PDMS) utilizes fission fragments from ... Mass spectrometry is an analytical technique that identifies the chemical ... 7 Chromatographic techniques combined with ...

Expression Vector

... This validated reporter system contains two mammalian expression vectors (see figure at right) ... The Forsburg lab pombe pages: directory of fission yeast plasmids ... full strength nmt expression vector with 12x myc tag fusion at C-terminus. ... 37000 Full Length TrueORF cDNA clones from ...

Asexual reproduction

... parent is involved in asexual reproduction . ... A consequence of asexual reproduction , which may have both benefits and costs, ... Binary fission is a method of asexual reproduction used by most prokaryotes (i.e. ... Asexual reproduction theoretically results in two identical cells. .....

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