One of the three domains of life (the others being BACTERIA and ARCHAEA), also called Eukarya. These are organisms whose cells are enclosed in membranes and possess a nucleus. They comprise almost all multicellular and many unicellular organisms, and are traditionally divided into groups (sometimes called kingdoms) including ANIMALS; PLANTS; FUNGI; and various algae and other taxa that were previously part of the old kingdom Protista.
Enzymes that catalyze the S-adenosyl-L-methionine-dependent methylation of ribonucleotide bases within a transfer RNA molecule. EC 2.1.1.
Cells of the higher organisms, containing a true nucleus bounded by a nuclear membrane.
One of the three domains of life (the others being BACTERIA and Eukarya), formerly called Archaebacteria under the taxon Bacteria, but now considered separate and distinct. They are characterized by: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls; (3) the presence of ether-linked lipids built from branched-chain subunits; and (4) their occurrence in unusual habitats. While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. The domain contains at least four kingdoms: CRENARCHAEOTA; EURYARCHAEOTA; NANOARCHAEOTA; and KORARCHAEOTA.
The relationships of groups of organisms as reflected by their genetic makeup.
The arrangement of two or more amino acid or base sequences from an organism or organisms in such a way as to align areas of the sequences sharing common properties. The degree of relatedness or homology between the sequences is predicted computationally or statistically based on weights assigned to the elements aligned between the sequences. This in turn can serve as a potential indicator of the genetic relatedness between the organisms.
The process of cumulative change at the level of DNA; RNA; and PROTEINS, over successive generations.
One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
A species of HANTAVIRUS which emerged in the Four Corners area of the United States in 1993. It causes a serious, often fatal pulmonary illness (HANTAVIRUS PULMONARY SYNDROME) in humans. Transmission is by inhaling aerosolized rodent secretions that contain virus particles, carried especially by deer mice (PEROMYSCUS maniculatus) and pinyon mice (P. truei).
A flavonol widely distributed in plants. It is an antioxidant, like many other phenolic heterocyclic compounds. Glycosylated forms include RUTIN and quercetrin.
A neuropsychological disorder related to alterations in DOPAMINE metabolism and neurotransmission involving frontal-subcortical neuronal circuits. Both multiple motor and one or more vocal tics need to be present with TICS occurring many times a day, nearly daily, over a period of more than one year. The onset is before age 18 and the disturbance is not due to direct physiological effects of a substance or a another medical condition. The disturbance causes marked distress or significant impairment in social, occupational, or other important areas of functioning. (From DSM-IV, 1994; Neurol Clin 1997 May;15(2):357-79)
Disease involving the ULNAR NERVE from its origin in the BRACHIAL PLEXUS to its termination in the hand. Clinical manifestations may include PARESIS or PARALYSIS of wrist flexion, finger flexion, thumb adduction, finger abduction, and finger adduction. Sensation over the medial palm, fifth finger, and ulnar aspect of the ring finger may also be impaired. Common sites of injury include the AXILLA, cubital tunnel at the ELBOW, and Guyon's canal at the wrist. (From Joynt, Clinical Neurology, 1995, Ch51 pp43-5)
The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one of the four inner or terrestrial planets of the solar system.
The physiologic or functional barrier to GASTROESOPHAGEAL REFLUX at the esophagogastric junction. Sphincteric muscles remain tonically contracted during the resting state and form the high-pressure zone separating the lumen of the ESOPHAGUS from that of the STOMACH. (Haubrich et al, Bockus Gastroenterology, 5th ed., pp399, 415)
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
NATIONAL LIBRARY OF MEDICINE service for health professionals and consumers. It links extensive information from the National Institutes of Health and other reviewed sources of information on specific diseases and conditions.
A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.
Information intended for potential users of medical and healthcare services. There is an emphasis on self-care and preventive approaches as well as information for community-wide dissemination and use.
Platforms that provide the ability and tools to create and publish information accessed via the INTERNET. Generally these platforms have three characteristics with content user generated, high degree of interaction between creator and viewer, and easily integrated with other sites.
The membrane system of the CELL NUCLEUS that surrounds the nucleoplasm. It consists of two concentric membranes separated by the perinuclear space. The structures of the envelope where it opens to the cytoplasm are called the nuclear pores (NUCLEAR PORE).
A phylum of fungi which have cross-walls or septa in the mycelium. The perfect state is characterized by the formation of a saclike cell (ascus) containing ascospores. Most pathogenic fungi with a known perfect state belong to this phylum.
An order of fungi in the phylum Ascomycota that multiply by budding. They include the telomorphic ascomycetous yeasts which are found in a very wide range of habitats.
A family of nucleocytoplasmic, large, double-stranded DNA viruses with extremely complex genomes.
Viruses whose nucleic acid is DNA.
A genus of ascomycetous yeast in the family Saccharomycetaceae, order SACCHAROMYCETALES. Species in the genus are plant pathogens.
Arrest of cell locomotion or cell division when two cells come into contact.
Layers of lipid molecules which are two molecules thick. Bilayer systems are frequently studied as models of biological membranes.
The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells.
Lipids, predominantly phospholipids, cholesterol and small amounts of glycolipids found in membranes including cellular and intracellular membranes. These lipids may be arranged in bilayers in the membranes with integral proteins between the layers and peripheral proteins attached to the outside. Membrane lipids are required for active transport, several enzymatic activities and membrane formation.
A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off portion to another location, often to a different chromosome.
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
A large group of flagellated EUKARYOTES found in both free-living and parasitic forms. The flagella are present in pairs and contain unique paraxonemal rods.
A kingdom of eukaryotic, heterotrophic organisms that live parasitically as saprobes, including MUSHROOMS; YEASTS; smuts, molds, etc. They reproduce either sexually or asexually, and have life cycles that range from simple to complex. Filamentous fungi, commonly known as molds, refer to those that grow as multicellular colonies.
A large supergroup of mostly amoeboid EUKARYOTES whose three main subgroups are CERCOZOA; FORAMINIFERA; and HAPLOSPORIDA. Nearly all of the species possess MITOCHONDRIA and historically many were considered ANIMALS.
Multisubunit enzymes that reversibly synthesize ADENOSINE TRIPHOSPHATE. They are coupled to the transport of protons across a membrane.
An area of water mostly surrounded by land, usually smaller than a gulf, and affording access to the sea.
A desmosomal cadherin that is an autoantigen in the acquired skin disorder PEMPHIGUS VULGARIS.
Sequential operating programs and data which instruct the functioning of a digital computer.

Tight binding of the 5' exon to domain I of a group II self-splicing intron requires completion of the intron active site. (1/2647)

Group II self-splicing requires the 5' exon to form base pairs with two stretches of intronic sequence (EBS1 and EBS2) which also bind the DNA target during retrotransposition of the intron. We have used dimethyl sulfate modification of bases to obtain footprints of the 5' exon on intron Pl.LSU/2 from the mitochondrion of the alga Pylaiella littoralis, as well as on truncated intron derivatives. Aside from the EBS sites, which are part of the same subdomain (ID) of ribozyme secondary structure, three distant adenines become either less or more sensitive to modification in the presence of the exon. Unexpectedly, one of these adenines in subdomain IC1 is footprinted only in the presence of the distal helix of domain V, which is involved in catalysis. While the loss of that footprint is accompanied by a 100-fold decrease in the affinity for the exon, both protection from modification and efficient binding can be restored by a separate domain V transcript, whose binding results in its own, concise footprint on domains I and III. Possible biological implications of the need for the group II active site to be complete in order to observe high-affinity binding of the 5' exon to domain I are discussed.  (+info)

Growth characteristics of Heterosigma akashiwo virus and its possible use as a microbiological agent for red tide control. (2/2647)

The growth characteristics of Heterosigma akashiwo virus clone 01 (HaV01) were examined by performing a one-step growth experiment. The virus had a latent period of 30 to 33 h and a burst size of 7.7 x 10(2) lysis-causing units in an infected cell. Transmission electron microscopy showed that the virus particles formed on the peripheries of viroplasms, as observed in a natural H. akashiwo cell. Inoculation of HaV01 into a mixed algal culture containing four phytoplankton species, H. akashiwo H93616, Chattonella antiqua (a member of the family Raphidophyceae), Heterocapsa triquetra (a member of the family Dinophyceae), and Ditylum brightwellii (a member of the family Bacillariophyceae), resulted in selective growth inhibition of H. akashiwo. Inoculation of HaV01 and H. akashiwo H93616 into a natural seawater sample produced similar results. However, a natural H. akashiwo red tide sample did not exhibit any conspicuous sensitivity to HaV01, presumably because of the great diversity of the host species with respect to virus infection. The growth characteristics of the lytic virus infecting the noxious harmful algal bloom-causing alga were considered, and the possibility of using this virus as a microbiological agent against H. akashiwo red tides is discussed.  (+info)

Morphological and compositional changes in a planktonic bacterial community in response to enhanced protozoan grazing. (3/2647)

We analyzed changes in bacterioplankton morphology and composition during enhanced protozoan grazing by image analysis and fluorescent in situ hybridization with group-specific rRNA-targeted oligonucleotide probes. Enclosure experiments were conducted in a small, fishless freshwater pond which was dominated by the cladoceran Daphnia magna. The removal of metazooplankton enhanced protozoan grazing pressure and triggered a microbial succession from fast-growing small bacteria to larger grazing-resistant morphotypes. These were mainly different types of filamentous bacteria which correlated in biomass with the population development of heterotrophic nanoflagellates (HNF). Small bacterial rods and cocci, which showed increased proportion after removal of Daphnia and doubling times of 6 to 11 h, belonged nearly exclusively to the beta subdivision of the class Proteobacteria and the Cytophaga-Flavobacterium cluster. The majority of this newly produced bacterial biomass was rapidly consumed by HNF. In contrast, the proportion of bacteria belonging to the gamma and alpha subdivisions of the Proteobacteria increased throughout the experiment. The alpha subdivision consisted mainly of rods that were 3 to 6 microm in length, which probably exceeded the size range of bacteria edible by protozoa. Initially, these organisms accounted for less than 1% of total bacteria, but after 72 h they became the predominant group of the bacterial assemblage. Other types of grazing-resistant, filamentous bacteria were also found within the beta subdivision of Proteobacteria and the Cytophaga-Flavobacterium cluster. We conclude that the predation regimen is a major structuring force for the bacterial community composition in this system. Protozoan grazing resulted in shifts of the morphological as well as the taxonomic composition of the bacterial assemblage. Grazing-resistant filamentous bacteria can develop within different phylogenetic groups of bacteria, and formerly underepresented taxa might become a dominant group when protozoan predation is the major selective pressure.  (+info)

Fermentation substrate and dilution rate interact to affect microbial growth and efficiency. (4/2647)

The effect of dilution rate (D) on carbohydrate, fibrous and nonfibrous, and protein fermentation by ruminal microorganisms was studied using a single-effluent continuous-culture system. The diets of fibrous carbohydrate, nonfibrous carbohydrate, or protein were formulated with soybean hulls (FC), ground corn (NFC), or isolated soy protein (PR) as the primary ingredient, respectively. Six dilution rates (.025, .050, .075, .10, .15, and .20/h of fermenter volume) were used. Digestibilities of DM, OM, and CP for the three diets and of NDF and ADF for the FC diet decreased (P<.001) as D increased, although the response of the digestibility to D varied with diet. Increasing D resulted in an increase in pH (P<.001) and a decrease (P<.001) in ammonia concentration. Daily volatile fatty acid production increased (quadratic; P<.01) for the FC and NFC diets, but decreased (quadratic; P<.001) for the PR diet. Increasing D quadratically increased (P<.001) the molar percentage of acetate and propionate, but quadratically decreased (P<.001) butyrate and valerate for the FC and NFC diets. For the PR diet, the molar percentage of propionate and valerate increased (quadratic; P<.01), whereas acetate and butyrate decreased (linear; P<.001) in response to increasing D. Molar percentage of isobutyrate and isovalerate decreased (P<.01) with increasing D for all three diets. As D increased, daily microbial N production showed quadratic responses with maximum values achieved at .126, .143, and .187/h D for the FC, NFC, and PR diet, respectively. There was a positive correlation between microbial growth efficiency (MOEFF) and D. A quadratic model fit the data of MOEFF as affected by D, and maximum MOEFF of 37.3, 59.6, and 71.4 g of bacterial N/kg OM truly fermented were calculated to be achieved at .177, .314, and .207/h D for the FC, NFC, and PR diet, respectively. Dilution rate significantly influenced the ruminal microbial fermentation of fibrous and nonfibrous carbohydrates and proteins, and was positively related to microbial yield and growth efficiency. In addition, microbial nitrogen composition, and therefore efficiency, was affected by substrate fermented.  (+info)

Whirling disease: host specificity and interaction between the actinosporean stage of Myxobolus cerebralis and rainbow trout Oncorhynchus mykiss. (5/2647)

Scanning electron microscopic studies were conducted on rainbow trout Oncorhynchus mykiss in the first 60 min after their exposure to the triactinomyxon spores of Myxobolus cerebralis. The results demonstrated that as early as 1 min post exposure the whole process, from the attachment of the triactinomyxon spores to the complete penetration of their sporoplasm germs, had occurred. The triactinomyxon spores sought out the secretory openings of mucous cells of the epidermis, the respiratory epithelium and the buccal cavity of trout and used them as portals of entry. Exposure experiments of the triactinomyxon spores of M. cerebralis to non-salmonid fish, such as goldfish Carassius auratus, carp Cyprinus carpio, nose Chondrostoma nasus, medaka Oryzias latipes, guppy Poecilia reticulata and also the amphibian tadpole Rana pipiens as well as to rainbow trout fry indicated a specificity for salmonids. Attempts to activate the triactinomyxon spores by exposure to mucus prepared from cyprinid and salmonid fish showed no significant differences from those conducted in tap water. The results suggest that the simultaneous presence of both mechano- and chemotactic stimuli was required for finding the salmonid fish host.  (+info)

Pathogenicity of Ichthyophonus hoferi for laboratory-reared Pacific herring Clupea pallasi and its early appearance in wild Puget Sound herring. (6/2647)

Laboratory-reared pathogen-free Pacific herring were exposed to pure cultures of Ichthyophonus hoferi, and reproduced the disease seen in naturally infected fish--thus fulfilling Koch's Postulates. Pathogen-free herring used in this study were reared from artificially spawned eggs incubated in filtered, UV-sterilized seawater, eliminating the variables associated with multiple infections, which are common in wild herring. Wild free-ranging herring were captured monthly from June through October by dip net from 'herring balls' located in the northern Puget Sound. I. hoferi infections were identified in these fish soon after metamorphoses, about 4 mo post-hatch. The prevalence increased from 5 to 6% in 0-yr fish to 24% in 1-yr-old fish to 50 to 70% in fish over 2 yr old, with no associated increase in mortality. The route of natural transmission to wild herring was not determined, but carnivorous fish became infected and died when they were experimentally fed tissues infected with the organism. In vitro culture of tissues was the most sensitive method for identifying both clinical and subclinical infections.  (+info)

Nosema notabilis (Microsporidia), its ultrastructure and effect on the myxosporean host Ortholinea polymorpha. (7/2647)

Nosema notabilis Kudo, 1939 produces chain-forming meronts with a dense cell coat in direct contact with the host cell cytoplasm. Cytoplasmic microtubules and membranaceous whorls could be observed in meront cytoplasm. Sporonts differ in that they have a thicker cell wall and more conspicuous endoplasmic reticulum (ER) cisternae. Sporoblasts have an externally ridged cell wall. Spores have an apically located anchoring disc, an isofilar polar tube with 6 to 9 turns and polyribosomal strands in the sporoplasm. Diplokarya occur in all stages. Heavily infected plasmodia of Ortholinea polymorpha (Davis, 1917) reveal marked pathological signs. The most prominent are reduction of surface projections and/or pinocytosis, inflated mitochondria with altered inner structures, affected vegetative nuclei, damage to generative cells and occurrence of various anomalous formations in the plasmodium cytoplasm. The damage may result in complete disintegration of the plasmodium. However, the development of the microsporidian is affected by a remarkably high percentage of teratological stages revealing membranaceous and tubular structures.  (+info)

Nitrate removal in closed-system aquaculture by columnar denitrification. (8/2647)

The columnar denitrification method of nitrate-nitrogen removal from high-density, closed system, salmonid aquaculture was investigated and found to be feasible. However, adequate chemical monitoring was found to be necessary for the optimization and quality control of this method. When methanol-carbon was not balanced with inlet nitrate-nitrogen, the column effluent became unsatisfactory for closed-system fish culture due to the presence of excess amounts of nitrite, ammonia, sulfide, and dissolved organic carbon. Sulfide production was also influenced by column maturity and residence time. Methane-carbon was found to be unsatisfactory as an exogenous carbon source. Endogenous carbon could not support high removal efficiencies. Freshwater columns adpated readily to an artificial seawater with a salinity of 18% without observable inhibition. Scanning electron microscopy revealed that the bacterial flora was mainly rod forms with the Peritricha (protozoa) dominating as the primary consumers. Denitrifying bacteria isolated from freshwater columns were tentatively identified as species of Pseudomonas and Alcaligenes. A pilot plant column was found to behave in a manner similar to the laboratory columns except that nitrite production was never observed.  (+info)

Biology Assignment Help, Heliozoans - protozoan, Heliozoans - Protozoan Heliozoans are spherical protozoan that occur in the sea or in still bodies of fresh water. They are mainly located in the bottom debris. Fine needle like pseudopodia radiate from the surface of the body. These are known a
Life Science: Protists -eukaryotic micro-organisms whose cells have a nucleus. Text book summary notes with links to a related rap song, free mp3 download, & lyrics.
Since protozoa are eukaryotic organisms, they contain vacuoles, a cell membrane and all the other cellular machinery found in the cells of plants, fungi, animals and other eukaryotes. For example, protozoa use their cell membrane and vacuoles for food absorption and digestion. Their cell membranes assist in the engulfing of food and their vacuoles can give off useable nitrogen during digestion. Generally, protozoa feed on other organic matter, bacteria, fungi and other protozoans in some cases.. Protozoa are not a huge concern when it comes to human illnesses because they are usually harmless. With this being said however, protozoa are the cause of malaria and dysentery. Malaria is a disease transmitted by mosquitoes, but these infected mosquitoes carry a microorganism from the genus Plasmodium, in which five specific species are infectious. Protozoa are truly remarkable microorganisms. They are capable of reproducing by the process of fission, they can move in a variety of ways despite having ...
Pterocystis heliozoan. Coloured scanning electron micrograph (SEM) of Pterocystis a freshwater protozoan. This single-celled organism has many projections, known as axopods, radiating from its cell body. The axopods are used to capture prey and for movement. In this species the axopods are funnel shaped. Magnification: x 3000 when printed at 10cm wide. Specimen collected from Vietnam courtesy of Mike Allen, Plymouth Marine Laboratory. - Stock Image C036/0565
Light microscopy of two heliozoa (white), with extended axopods radiating from their cell surface. Heliozoa are amoeba-like protozoa common in all aquatic environments. The axopods aid them in detecting and engulfing prey, which they do by phagocytosis. Filmed with Darkfield illumination. - Stock Video Clip K003/3275
3. The process of phagocytosis. The above motivated me to document the process of eating more thoroughly. Timelapse photography is a productive method of doing this and studying heliozoans in general. For this, I used the Lapseit app on my phone. Some of these timelapse movies were recorded overnight: I kept the foldscope right next to where I sleep to make adjustments if the organism went past the field of view. It is fascinating to see how prey pierced by the Actinosphaerium is taken up into the endoplasm. It is almost as though the spines melt away to bring the prey closer to the center. The key molecular component involved in this process are microtubules that assemble and disassemble based on the requirements. The process is fascinating to watch ...
Changes in the structure and composition of a protistan community were characterized through the analysis of small-subunit ribosomal RNA gene (18S) sequences for a 3-day bottle incubation using a single sample collected in the western North Atlantic. Cloning and sequencing was used to investigate changes in perceived species richness and diversity as a consequence of environmental perturbation. The treatments included a control (unamended seawater), inorganic nutrient enrichment, and enrichment with a complex organic mixture. Five clone libraries were constructed and analyzed at the time of collection (t-0 h) and after 24 (t-24 h) and 72 (t-72 h) h for the control, and at t-72 h for the inorganic and organic enrichments, resulting in an analysis of 1,626 partial 18S rDNA sequences that clustered into 238 operational taxonomic units (OTUs). Analysis of the clone libraries revealed that protistan assemblages were highly dynamic and changed substantially at both the OTU level and higher taxonomic ...
Offered by 圣彼得堡国立大学. Life on Earth appears to be dominated by higher plants and animals. Yet an immense variety of microbial eukaryotes swarm in the foliage, grass, soil, bogs, ponds, streams, lakes, and oceans. These inconspicuous organisms are flagellates, algae, ciliates, sarcodines, slime molds, apicomplexans. This assemblage is generally termed the protists. Our course is to build a comprehensive picture of protistan diversity. The major steps of eukaryotic evolution will be in focus. By tracking phylogenetic affinities in protistan lineages we will elucidate the major branches on the tree of eukaryotic life. Many protists are unicellular. This single cell is simultaneously a self-sufficient organism, which is able to sense, move, feed, and repulse an attack on its own. Therefore, protistan cells often demonstrate greater complexity of organelles, structures, and controls than the specialized cells of metazoan animals and higher plants. We will explore how free-living and
The origin of eukaryotes stands as a major conundrum in biology1. Current evidence indicates that the last eukaryotic common ancestor already possessed many eukaryotic hallmarks, including a complex subcellular organization1, 2, 3. In addition, the lack of evolutionary intermediates challenges the elucidation of the relative order of emergence of eukaryotic traits. Mitochondria are ubiquitous organelles derived from an alphaproteobacterial endosymbiont4. Different hypotheses disagree on whether mitochondria were acquired early or late during eukaryogenesis5. Similarly, the nature and complexity of the receiving host are debated, with models ranging from a simple prokaryotic host to an already complex proto-eukaryote1, 3, 6, 7. Most competing scenarios can be roughly grouped into either mito-early, which consider the driving force of eukaryogenesis to be mitochondrial endosymbiosis into a simple host, or mito-late, which postulate that a significant complexity predated mitochondrial ...
Before getting to know what diseases do protists cause, let us first try to consider what exactly are protists. Protists are unicellular organisms that are not animals, fungi or plants. Instead, they are a diverse group of eukaryotic microorganisms.. Protists tend to remain in environments containing liquid water. Their natural function of these organisms is to serve as primary producers in ecosystems, especially in oceans. On the other hand, they also cause certain diseases in humans. Some common diseases caused by protists are:. Malaria. Malaria is an infectious disease caused by protists of the Plasmodium genus. This mosquito-borne disease is prevalent in tropical and subtropical regions, particularly the areas below the Sahara Dessert in Africa.. The disease causing protista when enter the blood stream of a human being, it travels through the liver and matures, invades and multiplies within the red blood cells. Gradually, symptoms like fever, chills, excessive sweating, malaise, ...
Genomics and Evolution of Eukaryotic Microbes synthesizes the rapidly emerging fields of eukaryotic diversity and genome evolution. Eukaryotes, cells with nuclei, evolved as microbes and have existed on Earth for approximately two billion years. The tremendous diversity of eukaryotic microbes (protists) is often overlooked by those who study the macroscopic eukaryotic lineages: plants, animals, and fungi.
Citation: Eukaryota (unknown) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Eukaryota. Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2021-03-06. ...
Lineage: cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces; Saccharomyces ...
Lineage: cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces; Saccharomyces ...
Taxonomic hierarchy of Superkingdom Eukaryota Whittaker & Margulis, 1978. Display of synonyms, alternative taxonomic positions, references, number of subtaxa, and phylogenetic/bibliographic position can be switched on/off. Subtaxa can be ordered by name or phylogenetic/bibliographic position.
Taxonomic hierarchy of Superkingdom Eukaryota Whittaker & Margulis, 1978. Display of synonyms, alternative taxonomic positions, references, number of subtaxa, and phylogenetic/bibliographic position can be switched on/off. Subtaxa can be ordered by name or phylogenetic/bibliographic position.
The opisthokonts (Greek: ὀπίσθιος (opísthios) = "rear, posterior" + κοντός (kontós) = "pole" i.e. "flagellum") or "Fungi/Metazoa group" are a broad group of eukaryotes, including both the animal and fungus kingdoms, together with the eukaryotic microorganisms that are sometimes grouped in the...
Protozoa are single-celled organisms without cell walls. They are believed to be a part of the microbial world as they are unicellular and microscopic. There is a great deal to know about their classification, characteristics and more.
There are more than a million species of fungi, but only about 400 cause diseases in humans, animals or plants. Fungi are multicellular (eukaryotic) microorganisms whose genetic material is contained within a cell nucleus.
Bacteria is a big kingdom. For 2 billion years there only existed Bacteria on earth. They are also called prokaryota, in contrast with the Eukaryota. Eukaryota are living creatures with cells that have a good nucleus, eu karyos. The Eukaryota are the Plants together with the Fungi and the Animals ...
Diseases may be defined as illness of one or more of the body organs or tissues, caused by pathogens or germs. Germs (virus, bacteria) and protozoa are classified according to size. Parasites, though not germs, can cause ill health. The significance of a disease depends on the rate of infection or infestation and the number…. ...
void:inDataset: http://aims.fao.org/aos/agrovoc/void.ttl#Agrovoc. Created: 2014-02-26T08:58:39Z. Last modified: 2014-07-03T20:22:48Z. skos:notation: 330944 ...
By the end of this section, you will be able to: Describe the main characteristics of protists Describe important pathogenic species of protists Des
Single-celled organisms in the environment are protecting pathogenic bacteria and priming them for human infection, an international team of researchers has discovered.
A , at the beginning of a sequence or , at the end indicate that the protein is fused with another domain either at the N- or C-terminus ...
The last eukaryotic common ancestor already had an amazingly complex cell possessing genomic and cellular features such as spliceosomal introns, mitochondria, cilia-dependent motility, and a cytoskeleton together with several intracellular transport systems. In contrast to the microtubule-based dyneins and kinesins, the actin-filament associated myosins are considerably divergent in extant eukaryotes and a unifying picture of their evolution has not yet emerged. Here, we manually assembled and annotated 7852 myosins from 929 eukaryotes providing an unprecedented dense sequence and taxonomic sampling. For classification we complemented phylogenetic analyses with gene structure comparisons resulting in 79 distinct myosin classes. The intron pattern analysis and the taxonomic distribution of the classes suggest two myosins in the last eukaryotic common ancestor, a class-1 prototype and another myosin, which is most likely the ancestor of all other myosin classes. The sparse distribution of class-2 and
Chrysophycean stomatocyst assemblages were analysed from the sediments of 17 lakes and ponds from Svalbard as one component of a multi-proxy investigation of recent environmental change in the high Arctic. Sediment cores and water chemistry were collected from each of the study lakes, and chrysophyte stomatocysts were investigated from the top 0.25 cm of sediment (present-day) and bottom (i.e. bottom of short sediment core, pre-industrial) sediment samples. This study represents the first undertaking of chrysophyte cyst morphology and distribution on Svalbard. A total of 153 cyst morphotypes were described with light microscopy and/or scanning electron microscopy, of which 21 are new forms. Canonical correspondence analysis indicates that the present-day distribution of cysts is significantly related to pH (p = 0.02), altitude (p = 0.02), and Na+ (p = 0.04). Marked shifts in chrysophyte cyst assemblages were recorded between the top and bottom sediment samples of most lakes. Rose et al. (2004) ...
To Veljo Kisand , Does anybody have or know how I can get minicells which I like to stain , with some fluorescence marker and use for protozoa grazing experiments on , these bacterial mini cells? I have used E. Coli minicells for protozoa grazing expriments. At first,you had better get E. Coli x1488 strain. And, refer to the next paper when you separate minicells from E.coli cells. A.A.Christen, M.L.Pall, T.Manzara & P.Lurquin. Gene 23, 195-198 (1983). I tried to stain minicells with DTAF. About Staining method of DTAF,I refered to the next paper. B.F.Sherr, E.B.Sherr & R.D.Fallon. Appled and Environmental Microbiology 53, 958-965 (1987). Hope it will help. -- Tetsuji ISHIGAKI Address : ishigaki at ori.u-tokyo.ac.jp University of Tokyo , Ocean research Institute , Plankton Division TEL : 81-3-5351-6477 FAX : 81-3-5351-6480 ...
Earlier work by Inoué (1952) had shown that when cells are exposed to cold temperatures the mitotic spindle-later shown to be composed of microtubules-disappears. Working with the protozoan Actinosphaerium nucleofilum, which has needle-like extensions (axopodia) consisting of a well-defined system of microtubules, Tilney and Porter reasoned that if the microtubules are instrumental in the maintenance of these slender protoplasmic extensions, then low temperature, which, as previously stated, should cause the breakdown of the microtubules, ought secondarily to cause retraction of the axopodia.. Their results supported this hypothesis. Cold treatment of A. nucleofilum cells caused the microtubules to disassemble and the axopodia to withdraw; after returning the cells to room temperature for a few minutes, the microtubules started to reassemble and the axopodia reformed (Tilney and Porter, 1967). The authors concluded that microtubules are intimately involved not only with the maintenance of ...
Reason this person is a Gold Ribbon Hero: Danica Oney is a 26-year cancer survivor. At age 35 Danica was working full-time giving care, aid and comfort to memory care patients in a nursing home while living in Parker, Colorado, raising her 15-year-old son as a single mom.. At age nine, Danica was diagnosed with a Cerebellar Astrocytoma brain tumor. She underwent more than 20 surgeries, 18 months of chemotherapy and full radiation. At one point during her 2 1/2 years of treatment, her doctors gave her a 10% chance of survival. Her recovery was a miracle through a combination of modern medicine and much prayer. She has bravely adapted to a variety of health issues caused by the late term effects of childhood cancer treatment, always with a cheerful attitude, dignity and grace.. She recently ended up in the emergency room with symptoms of extreme vertigo, loud ringing in her ears, and some confusion which prompted an MRI. It was discovered that she has developed a Meningioma brain tumor that is in ...
Risks for Blue-green algae toxicity, Blue-green algae toxicity treatments, recommended products for Blue-green algae toxicity, ways to prevent Blue-green algae toxicity, causes of Blue-green algae toxicity
The traditional bacterial rooting of the three superkingdoms in sequence-based gene trees is inconsistent with new phylogenetic reconstructions based on genome content of compact protein domains. We find that protein domains at the level of the SCOP superfamily (SF) from sequenced genomes implement …
Genomic comparative studies on entirely sequenced genomes from the three domains of life, i.e. Bacteria, Archaea and Eukaryota [1], evidenced that proteins involved in the organization or processing of genetic information (structures of ribosome and chromatin, translation, transcription, replication and DNA repair) display a closer relationship between Archaea and Eukaryota than between Bacteria and Eukaryota [2-4]. To identify new proteins involved in such important cellular mechanisms, an exhaustive inventory of proteins of unknown function common to only Eukaryota and Archaea but not in Bacteria has been devised [5-7]. Among such proteins, the Cluster of Orthologous Group COG2042 comprises proteins ubiquitously present in Eukaryota and present in many, but not all, Archaea; a hallmark of their ancient origin. The corresponding ancestral protein should have been present in the common ancestor of these two domains of life. Some partial experimental data are known from the Saccharomyces ...
Protists are single-celled eukaryotes (which are organisms with a nucleus). The term Protista was first used by Ernst Haeckel in 1866. The protists are not a natural group, or clade, since they have no common origin. Like algae or invertebrates, they are often grouped together for convenience. The term protist includes microorganisms from several distantly related phyla. Some are autotrophic (which means they make their own food by photosynthesis), and others are heterotrophic (which means they eat organic material). Most protists are very small. They are made up of one or a few cells at most - they are microscopic and usually invisible to the naked eye. Some algae are protists, if they are single-celled. Many protists are part of the plankton and are very important for the ecosystem. The cells found in protists may be extremely complex, and are often little understood. It is now possible to do DNA sequencing, and a number of protists have been analysed. The results show that the Protista is ...
Chlorella Pyrenoidosa je sladkovodní řasa s vysokým obsahem bílkovin, vitaminu A, C, B2, vápníku, hořčíku, železa a chlorofylu, je rovněž zdrojem vitamínů B6 a B1.
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. Eukaryotes belong to the domain Eukaryota or Eukarya; their name comes from the Greek εὖ (eu, well or good) and κάρυον (karyon, nut or kernel). en.wikipedia.org ...
Treatment can involve drugs known to kill or retard the reproduction of the responsible protozoa S. neurona. None of the drugs kill 100% of the protozoa. But the drugs reduce the protozoa population to a level where the horses immune system kills the rest. It is important to help the equine rebuild its immune system while treatment is ongoing. Relapses are frequent without strong immune system support. Reduction of stress and a healthy diet are also important. Significant help is also needed through supplementation in supporting the immune system in order to combat this disease.. Treatments can be expensive. Although complications are rare, treatments may affect stallion fertility and may pose certain health risks to unborn foals. While treatment success rates are high, not all equines respond positively to therapy and approximately 10-20% of horses may experience a relapse. Equines that have recovered may still suffer from some permanent damage. ...
Cauti Leucoplast ? leucoplast panza, zinc oxid, uz medical, contribuie la fixarea pansamentelor, drene, catetere la cele mai bune preturi pe Samdistribution in catalogul de produse din categoria: Leucoplast, consumabile medicale, Parafarmaceutice
Comanda Leucoplast, leucoplast pe suport de hartie, hipoalergenic la cel mai mic pret oferit de Samdistribution din catalogul de produse din categoria: Plasturi, Leucoplast, Consumabile medicale, Parafarmaceutice
Natura - nature Mundus - physical world;material world Naturalia Biota 3.2 Domain Eukaryota - eukaryotes H,N,P,R,B,L; Ref:P.M. Kirk et al., 2001:403; Count:[p]5k;74p;246c;1118o;8389f;72,585g;142,091s;12,825ss;1558v; 3o;15f;112g;439s;70ss; 5p;54c;370o;2079f;8365g;3728s;155ss 1 Kingdom Protozoa (Goldfuss, 1818) R. Owen, 1858 - protozoa H,N,P,R,B,L; Ref:P.M. Kirk et al., 2001:651; Count:[p]13p;67c;189o;734f;3662g;4751s;69ss;48v; 4o;5f;158g;204s;6ss 2.1.1 Kingdom Animalia C. Linnaeus, 1758 - animals H,N,P,R,B,L; Ref:P.M. Kirk et al., 2001:403; Count:[p]37p;88c;514o;5956f;53,045g;120,745s;12,303ss;96v; 3o;15f;110g;435s;70ss; 5p;48c;333o;1995f;7974g;3369s;129ss 2.1.2 Kingdom Fungi T.L. Jahn & F.F. Jahn, 1949 ex R.T. Moore, 1980 - fungi H,N,P,R,B,L; Ref:P.M. Kirk et al., 2001:403; Count:[!]7p;38c;133o;563f;4603g;1737s;8ss;22v; 1g;1s 2.2.1 Kingdom Plantae Haeckel, 1866 - plants H,N,P,R,B,L; Ref:P.M. Kirk et al., 2001:403; Count:[p]8p;31c;166o;866f;10,148g;11,338s;436ss;819v; 2g;4s; 6c;28o;64f;96g;94s ...
I am interested in the symbiotic relationships that exist between diverse eukaryotic microorganisms (aka protists), between protists and animals, and between protists and prokaryotes up to the derivation of cell organelles. By combining lab techniques with phylogenomics (eToL project), I study the origin and specificity of these relationships up to cospeciation events. I further use comparative genomics to investigate the molecular prerequisites for these associations and study underexamined species to discover new biological processes and their ecological implications. ...
Wikipedia does not yet have an article about Eukaryota. You can help by creating it. The page that you are currently viewing contains information about Eukaryotas taxonomy. ...
Koch, M.A. et al. 2019. Cochlearia danica in BrassiBase Tools and biological resources to study characters and traits in the Brassicaceae. Published on the internet. Accessed: 2019 May 30 ...
PEP is a large-scale interdisciplinary, and collaborative research project, involving six Canadian universities in five provinces. It is financed by Genome-Canada and managed by Genome-Atlantic and Génome Québec. PEP aims at the exploration of the diversity of eukaryotic genomes in a systematic, comprehensive and integrated way. The focus is on unicellular microbial eukaryotes, known as protists. Protistan eukaryotes comprise more than a dozen major lineages that, together, encompass more evolutionary, ecological and probably biochemical diversity than the multicellular kingdoms of animals, plants and fungi combined. PEP is a unique endeavor in that it is the first phylogenetically-broad genomic investigation of protists. More details about the objectives of PEP, the complete listing of taxa studied, the PEP database, the analysis workbench AnaBench, and PEP bioinformatics tools are available ...
OCKLEFORD, C D (1975) Redundancy of washing in the preparation of biological specimens for transmission electron microscopy. Journal of Microscopy, 105 (2). pp. 193-203. ISSN 0022-2720. OCKLEFORD, C D (1975) ULTRAVIOLET-LIGHT MICROBEAM IRRADIATION OF MICROTUBULES IN SINGLE HELIOZOAN AXOPODIA. Experimental Cell Research, 93 (1). pp. 127-135. ISSN 0014-4827. ...
WHAT CAUSES DISEASES? Certain bacteria, viruses, and protozoa are responsible for many diseases that affect humans. Below is a brief description of one disease-causing agent from each of the three groups and the name of a disease each agent causes. Using the characteristics given, draw the disease-causing agent in the space provided.. ...
An infectious disease is an illness caused by a microbe - an organism too small to be seen with the naked eye. Bacteria, virus, fungi and protozoa are all disease-causing microbes. A colleague coughs and doesnt cover his mouth; a student gets creative when there are no tissues to wipe her runny nose; friends share a water… Read more ». ...
Arikawa, M., Saito, A., Omura, G., Khan, S. M. M. K., Suetomo, Y., Kakuta, S., Suzaki, T. 2006 Ca2+-dependent in vivo contractility of a precipitate isolated from an extract of the heliozoan Actinophrys sol. Cell Motil. Cytoskeleton, 63, 57-65 ...
Arikawa, M., Saito, A., Omura, G., Khan, S. M. M. K., Suetomo, Y., Kakuta, S., Suzaki, T. 2006 Ca2+-dependent in vivo contractility of a precipitate isolated from an extract of the heliozoan Actinophrys sol. Cell Motil. Cytoskeleton, 63, 57-65 ...
This applicable star in the month of December is a large multinucleate heliozoan, Actinosphaerium eichhornii. It resembles a piece of soap suds, is about 500 µm in diameter, but can reach a size of three mm. Inside the body you can see a captured rotifer and some algae ...
ဝီကီပီးဒီးယားတွင် en:Eukaryote အကြောင်း ဆောင်းပါးမရှိသေးပါ။ ဖန်တီးရေးသားခြင်းဖြင့် ကူညီပေးနိုင်ပါသည်။ သင်လက်ရှိ ကြည့်ရှုနေသော စာမျက်နှာတွင် en:Eukaryote ၏ သိပ္ပံနည်းကျ အမျိုးအစားခွဲခြင်း အချက်အလက်များ ပါဝင်ပါသည်။ Not sure why youre here? Get started with Wikipedia taxonomy. ...
Describe representative protist organisms from each of the six presently recognized supergroups of eukaryotes Identify the evolutionary relationships of plants, animals, and fungi
À la suite du développement de la cladistique et des phylogénies moléculaires, la classification des organismes autres que bactériens (ou procaryotes) a été entièrement revue[33],[34],[3]. La distinction fondée sur des ressemblances acquises indépendamment au cours de lhistoire évolutive, par divers organismes que sont les végétaux, les algues, les champignons, les animaux et les protozoaires, aurait surtout une valeur descriptive mais naurait pas de sens pour la classification phylogénétique[5],[6],[7]. Le regroupement de tout ce qui nest ni plante verte, ni champignon, ni animal au sein des Protistes naurait plus lieu dêtre[35]. De très nombreux phyla, parfois monospécifiques, ont été reconnus comme monophylétiques[36],[37],[26],[38],[17],[19]. Leur regroupement est moins consensuel : position de la racine[39],[40],[41],[42],[43],[44],[45],[25],[46],[47], place des organismes sans mitochondries[48],[49],[50],[51],[52],[53],[54], nombre dendosymbioses de ...
Protein translocation is the process by which peptides are transported across a membrane bilayer. Translocation of proteins across the membrane of the...
Metazoan animals are multicellular, mitochondrial eukaryotes. Today Metazoa encompasses all animals with differentiated tissues, including nerves and muscles. They evolved from the protists approximately 700 million years ago. There are two prominent theories dealing with how the metazoans came to be, although one, the syncytial theory, has been somewhat discredited. The other, the colonial theory proposed by Ernst Haeckel in 1874 states basically that multicellular organisms have a colonial ancestor. This is in keeping with the idea that the choanoflagellates, a group of colonial protists, created the colonies from which multicelled organisms first evolved. This evolution occured sometime during the Precambrian period; the oldest known animal fossils were discovered in Precambrian rocks in 1946. ...
That slimy film that is coating everything in your tank? Thats blue-green algae and its dangerous. Learn how to get rid of it for good!
Buy The Flagellates (9780367398507) (9780748409143): Unity, Diversity and Evolution: NHBS - Barry SC Leadbeater, John C Green, CRC Press
Protists are single-celled eukaryotes (which are organisms with a nucleus).The term Protista was. Protisten sind zu den Eukaryoten gehörende, ein- bis mehrzellige Lebewesen, die in
Natura - nature Mundus - physical world;material world Naturalia Biota Domain Eukaryota - eukaryotes Kingdom Plantae - plants Subkingdom Viridaeplantae - green plants Phylum Bryophyta - mosses 0.1.0 [Class Anthocerotae] SF: Class Anthocerotopsida H,N,P,R,B,L; Ref:L. Margulis & K.V. Schwartz, 1982:252 ...
by Merry Youle | Many heterotrophic single-celled eukaryotes are content to let the algae handle photosynthesis and then eat them. Others have opted for the convenience of having the algae residing in-house, living as endosymbionts within their cytoplasm.
Nano-sized, single-celled algae are among Earths earliest life forms. They have been surviving in many of Earths harshest environments for 3.7 billion years. Algaes simplicity enables these plants to…. ...
Some Aspects of the Comparative Study of Semi-empirical Combustion Models on FLUENT and OpenFOAM Codes, High-Performance Computing Infrastructure for South East Europes Research Communities Results of the HP-SEE User Forum 2012, Editors: Mihnea Dulea, Aneta Karaivanova, Anastasis Oulas, Ioannis Liabotis, Danica Stojiljkovic, Ognjen ...
The characteristics of animal-like protists, or protozoans, include the need to obtain food from their environment since they cannot make it themselves, and an ability to move around in their...
Protists are a diverse group of organisms, and they reproduce in a number of different ways, including asexual binary fission, multiple fission, fragmentation and several forms of sexual...
Čeprav so glive tradicionalno vključene v botanične učne načrte in učbenike, danes mislijo, da so glive bolj tesno povezane z živalmi kot z rastlinami in so uvrščene skupaj z živalmi v monofiletsko skupina Opisthokonta.[3] Analize s pomočjo molekularne filogenetike podpirajo monofiletski izvor gliv.[2] Taksonomija gliv se neprestano razvija, zlasti zaradi nedavnih raziskav, ki temeljijo na DNK primerjavah. Te današnje filogenetske analize pogosto ovržejo klasifikacije, ki temeljijo na starejših in včasih manj diskriminativnih metodah, ki temeljijo na morfoloških značilnosti.[4]. Ne obstaja splošno sprejet sistem na višjih taksonomskih nivojih in pogosto prihaja do spreminjanja imen na vseh nivojih, od vrste navzgor. Prizadevanja med raziskovalci sedaj potekajo za vzpostavitev in spodbujanje enotne uporabe in bolj dosledno nomenklaturo.[2][5] Posamezne vrste gliv imajo lahko tudi več znanstvenih imen, odvisno od njihovega življenjskega cikla in načina (spolnega ali ...
Define Silicoflagellata: a group of marine flagellates formerly classified among the radiolarians but now usually constituting a family of the order …
Thomas Cavalier-Smith, Protist phylogeny and the high-level classification of Protozoa, Europ. J. Protistol. 39, 338-348 (2003 ...
Lineage(full) cellular organisms; Eukaryota; Rhizaria; Cercozoa; Imbricatea; Silicofilosea; Euglyphida; Paulinellidae " ...
1886 synonym: Gibberella intricans Wollenweber 1930 synonym: Fusarium scirpi Lineage( full ) cellular organisms; Eukaryota; ...
Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Pezizomycotina; leotiomyceta; sordariomyceta; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes; ...
Lineage( full ) cellular organisms; Eukaryota; Viridiplantae; Streptophyta; Streptophytina; Embryophyta; Tracheophyta; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Pezizomycotina; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes; ...
fragrantissima Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Opisthokonta incertae sedis; Ichthyosporea; ...
authority: Candida theae C.-F. Lee 2012 Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Pezizomycotina; ...
Lineage(full) cellular organisms; Eukaryota; Opisthokonta; Metazoa; Eumetazoa; Bilateria; Protostomia; Ecdysozoa; Panarthropoda ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Metazoa; Eumetazoa; Bilateria; Protostomia; Ecdysozoa; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Metazoa; Eumetazoa; Bilateria; Protostomia; Lophotrochozoa; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes; ...
Lineage( full ) cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Pezizomycotina; ...
Lineage( full ) cellular organisms; Eukaryota; Stramenopiles; Oomycetes; Pythiales; Pythiaceae; Pythium CS1 maint: discouraged ...
Taxobox , image = [[ , image_caption = , domain = Eukaryota , unranked_regnum = SAR , unranked_superphylum = Alveolata , phylum ...
The third domain Eukaryota includes all multicellular organisms and many unicellular protists and protozoans. Some protists are ... Eukaryota: More on Morphology. (Retrieved 10 October 2006) Dyall, S.; Brown, M.; Johnson, P. (2004). "Ancient invasions: from ...
Fossil Record of the Eukaryota. Ucmp.berkeley.edu. Retrieved 2014-03-20. Haeckel, E. Das Protistenreich. Leipzig, 1878. ... ISBN 978-3-319-28147-6. "Systematics of the Eukaryota". Retrieved 2009-05-31. Simonite T (November 2005). "Protists push ...
The oldest known body fossils that can be positively assigned to the Eukaryota are acanthomorphic acritarchs from the 1631±1 Ma ... Butterfield, Nicholas J. (2014-11-26). "Early evolution of the Eukaryota". Palaeontology. 58 (1): 5-17. doi:10.1111/pala.12139 ...
Butterfield NJ (2015). "Early evolution of the Eukaryota". Palaeontology. 58 (1): 5-17. doi:10.1111/pala.12139. Dacks JB, Field ...
The FAM214B is conserved in Eukaryota. In terms of the molecular clock analysis, it seems that FAM214B has evolved quicker than ...
The specific lineage of TMEM156 is: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; ...
It has a stout, woody, creeping or ascending stock with large, green lacy fronds typically 10-60 cm (4-24 in) and rarely 90 cm (35 in) long. The deltate[2] fronds are bipinnate at the base, pinnate toward the apex. The rhizome is erect or ascending, often producing offshoots. Sori occur medially on the underside of the pinnae. Propagation is by spores and vegetatively by division of the rhizome. It is easily confused with the related Dryopteris dilatata (broad buckler fern), differing in the usually smaller fronds, and in the pale brown scales on the frond stem being more uniform in color, rarely having a dark central stripe. It also differs in cytology in having 2n = 82 chromosomes (164 in D. dilatata). Leaves of D. expansa are very similar to those of D. arguta.[3] The species name of this fern, expansa, is from the Latin expando, meaning "to spread out, spread apart, to expand". Other common names include northern wood fern, arching wood fern, spiny wood fern and crested wood fern. ...
Eukaryota. (Supergroup. Plant. Hacrobia. Heterokont. Alveolata. Rhizaria. Excavata. Amoebozoa. Opisthokonta Animal. Fungi). ...
Since the late 1970s, the gharial conservation approach was focused on reintroduction. Rivers in protected areas in India and Nepal used to be restocked with captive bred juvenile gharials. Gharial eggs were incubated, hatched and juvenile gharials raised for two to three years and released when about one metre in length.[2] In 1975, the Indian Crocodile Conservation Project was set up under the auspices of the Government of India, initially in Odisha's Satkosia Gorge Sanctuary. It was implemented with financial aid of the United Nations Development Fund and the Food and Agriculture Organization. The country's first gharial breeding center was built in Nandankanan Zoological Park. A male gharial was flown in from Frankfurt Zoological Garden to become one of the founding animals of the breeding program. In subsequent years, several protected areas were established.[87] In 1976, two breeding centres were established in Uttar Pradesh, one in Kukrail Reserve Forest and one in Katarniaghat Wildlife ...
Eukaryota. (Supergroup. Plant. Hacrobia. Heterokont. Alveolata. Rhizaria. Excavata. Amoebozoa. Opisthokonta Animal. Fungi). ...
Brewing yeasts may be classed as "top-cropping" (or "top-fermenting") and "bottom-cropping" (or "bottom-fermenting").[55] Top-cropping yeasts are so called because they form a foam at the top of the wort during fermentation. An example of a top-cropping yeast is Saccharomyces cerevisiae, sometimes called an "ale yeast".[56] Bottom-cropping yeasts are typically used to produce lager-type beers, though they can also produce ale-type beers. These yeasts ferment well at low temperatures. An example of bottom-cropping yeast is Saccharomyces pastorianus, formerly known as S. carlsbergensis. Decades ago,[vague] taxonomists reclassified S. carlsbergensis (uvarum) as a member of S. cerevisiae, noting that the only distinct difference between the two is metabolic. Lager strains of S. cerevisiae secrete an enzyme called melibiase, allowing them to hydrolyse melibiose, a disaccharide, into more fermentable monosaccharides. Top- and bottom-cropping and cold- and warm-fermenting distinctions are largely ...
Inquisitive and bold, especially in the presence of food, the silvertip shark is regarded as potentially dangerous to humans. Often, several sharks will rush up from deep water to inspect divers when they first enter the water, which can be a very intimidating experience, as they may approach quite close.[18][19] This species has also been known to circle or pursue divers.[16] In one experiment involving bait, a large silvertip shark tore the leg off a dummy dressed in SCUBA gear, demonstrating that this species is capable of inflicting lethal injuries.[2] As of 2008, the International Shark Attack File listed four provoked attacks attributable to this species, none of them fatal.[20] The silvertip shark is caught by commercial and artisan fisheries across its range using longlines, gillnets, and trawls, both intentionally and as bycatch. The fins are highly valued for shark fin soup and are sold on the export market, along with the skin and cartilage. The meat is marketed locally, fresh or ...
Cette page a pour objet de présenter un arbre phylogénétique des Eukaryota[1] (Eukarya[2], Eucarya, Eucaryotes), cest-à-dire ... Eukaryotes : Eukaryota, Organisms with nucleated cells. », sur The Tree of Life Web Project, 2000. (consulté le 4 février 2013) ... Eukaryotes : Eukaryota, Organisms with nucleated cells. », sur The Tree of Life Web Project, 2009. (consulté le 4 février 2013) ... o empire ou super-règne des Eukaryota ├─o règne des Protozoa (paraphylétique) │ ├─o sous-règne des Archezoa (paraphylétique) ...
Eukaryotes belong to the domain Eukaryota or Eukarya; their name comes from the Greek εὖ (eu, well or good) and κάρυον ( ... eukaryota wikipedia origin. eukaryota wikipedia mozart. eukaryota wikipedia meaning. eukaryota wikipedia film. eukaryota ... eukaryota wikipedia shqip. eukaryota wikipedia biography. eukaryota wikipedia encyclopedia. ...
The Complete Genomes Resource is a collection of genomic sequences that is a part of the Entrez Genomes, which provides curated sequence data and annotations of complete genomes to the scientific community.
EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.. To request an improvement, please leave a comment on the page. Thank you!. ...
Lëtzebuergesch: Eukaryota. lietuvių: Eukariotai. magyar: Eukarióták. македонски: Еукариоти. मराठी: सकेन्द्रक अधिजगत. Nederlands ... Eukaryota [Figure 1.C proposal] *neokaryotes *neozoa *podiates (opisthokonts [= Fungi, Animalia, Choanozoa] plus Amoebozoa and ... Incertae sedis Eukaryota. Lecointre & Le Guyader (2006). Lecointre, G. & Le Guyader, H. Classification phylogénétique du vivant ... Eukaryota [Figure 2 proposal] *Kingdom Protozoa *Subkingdom Eozoa (Euglenozoa plus Excavata). *[group neozoa, podiates, in part ...
Biology-online is a completely free and open Biology dictionary with over 60,000 biology terms. It uses the wiki concept, so that anyone can make a contribution.
Dave Kennards latest photos with Eukaryota - Photos ipernity © 2007-2018. Help & Contact , The ipernity Team blog , About ...
Lineage: cellular organisms; Eukaryota; Opisthokonta; Fungi; Dikarya; Ascomycota; saccharomyceta; Saccharomycotina; ...
Lineage: cellular organisms; Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Burkholderiaceae; Burkholderia; pseudomallei ...
The Domain Eukaryota From trees, to mammals, plankton such as forams to mushrooms, Eukaryota domain contains some pretty ... You are a member of the Eukaryota domain too! In fact, all plants, animals, protists, and fungi, are members of the domain. ... Eukaryota is the only domain whose members have this cell type. Eukaryotic cells contain a special membrane bound organelle ... Plants, animals and many other species within the domain Eukaryota are able to make more individuals by sexual reproduction. In ...
Wedi dod o "https://cy.wikipedia.org/w/index.php?title=Nodyn:Taxonomy/Eukaryota&oldid=1534921" ...
Ji "https://ku.wikipedia.org/w/index.php?title=Şablon:Taxonomy/Eukaryota&oldid=688997" hatiye standin. ...
Janet Iwasa, Tom Rapoport, Mario Halic (2010) CIL:9775, Eukaryota. CIL. Dataset. https://doi.org/doi:10.7295/W9CIL9775 ...
Recuperada de « https://oc.wikipedia.org/w/index.php?title=Eukaryota&oldid=2203875 » ...
Domain Eukaryota -. Natura - nature Mundus - physical world;material world Naturalia Biota 3.2 Domain Eukaryota - eukaryotes H, ...
... (show help) Species Tree Of Life (sTOL). This ... Gateway: sTOL hierarchy starting from three superkingdoms (Archaea, Bacteria, Eukaryota). Path to superkingdom (NCBI Taxonomic ... distributed over the path from human leading upwards Eukaryota, or 2) as a whole sets of domains annotated to a specific term, ... distributed over the path from human leading upwards Eukaryota. ...
Estræto da "https://lij.wikipedia.org/w/index.php?title=Eukaryota&oldid=179035" ...
Archaea Eukaryota Bacteria Community Freshwater Lake DNA metabarcoding Beta-diversity Sediment Turnover ... Additional file 2 of Shifts among Eukaryota, Bacteria, and Archaea define the vertical organization of a lake sediment. 2017-04 ...
... eukaryota #plantae #angiosperms #eudicots stock photo by aamarchokhe0. Download images and pictu ... flower 2017/09/28 035 #আমার_চোখে #আমার_গ্রাম #nature #flower #eukaryota #plantae #angiosperms #eudicots. Photo by. aamarchokhe0 ... Stock photo: flower 2017/09/28 035 #আমার_চোখে #আমার_গ্রাম #nature #flower #eukaryota #plantae #angiosperms #eudicots was taken ...
Learn more about eukaryota phylogeny in this article. ... and only Domain Eukaryota has evolved to have members ... By studying a large number of features found among various members of Domain Eukaryota, taxonomists have developed a phylogeny ... Animals, plants, and fungi are the three major multicellular groups of the domain Eukaryota. Eukaryotes are organisms with ...
EARLY EVOLUTION OF EUKARYOTA AS INFERRED FROM THE COMBINED PHYLOGENY OF MULTIPLE MOLECULAR SEQUENCE DATA(Coevolution of Earth ... EARLY EVOLUTION OF EUKARYOTA AS INFERRED FROM THE COMBINED PHYLOGENY OF MULTIPLE MOLECULAR SEQUENCE DATA(Coevolution of Earth ... EARLY EVOLUTION OF EUKARYOTA AS INFERRED FROM THE COMBINED PHYLOGENY OF MULTIPLE MOLECULAR SEQUENCE DATA(Coevolution of Earth ... EARLY EVOLUTION OF EUKARYOTA AS INFERRED FROM THE COMBINED PHYLOGENY OF MULTIPLE MOLECULAR SEQUENCE DATA(Coevolution of Earth ...
We observed a pronounced shift from Eukaryota- and Bacteria-dominated upper layers (<5 cm) to Bacteria-dominated intermediate ... and Eukaryota. Community β-diversity indicated nearly complete turnover within the uppermost 30 cm. ... Sequence proportions of Archaea, Bacteria, and Eukaryota (A:B:E) shifted from 10:70:20 at 0 cm to 50:50:0 at 10 cm and 60:40:0 ... Multiple linear regression on the sediment DNA content as a function of the occurrence of Eukaryota (75.6% of the variation) ...
Taxonomic hierarchy of Domain Eukaryota Chatton, 1925. Display of synonyms, alternative taxonomic positions, references, number ... Domain Eukaryota Chatton, 1925 - eukaryotes 1 "protists" incertae sedis 2 Phylum Euglenozoa Cavalier-Smith, 1981 3 "neokaryotes ...
Citation: Eukaryota (unknown) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Eukaryota. Monterey Bay Aquarium ...
void:inDataset: http://aims.fao.org/aos/agrovoc/void.ttl#Agrovoc. Created: 2014-02-26T08:58:39Z. Last modified: 2014-07-03T20:22:48Z. skos:notation: 330944 ...
Association dartistes pour le développement de projets innovants mélants les arts de la danse, de la scénographie et des nouvelles technologies
"Eukaryota" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical Subject ... This graph shows the total number of publications written about "Eukaryota" by people in this website by year, and whether " ... Below are the most recent publications written about "Eukaryota" by people in Profiles. ...
Eukaryota) - домен одно- та багатоклітинних організмів, що характеризуються переважно полігеномними клітинами, морфологічно ...
Wikipedia does not yet have an article about Eukaryota. You can help by creating it. The page that you are currently viewing ... प्राप्ति स्थल "https://mai.wikipedia.org/w/index.php?title=आकृति:Taxonomy/Eukaryota&oldid=123623" ...
Context of Eukaryota Subject of. * Fungal genomics : methods and protocols * High-throughput phenotyping in plants : methods ... Eukaryota,/a,,/span, - ,span property=offers typeOf=Offer,,span property=offeredBy typeof=Library ll:Library resource= ... Eukaryota,/a,,/span, - ,span property=offers typeOf=Offer,,span property=offeredBy typeof=Library ll:Library resource= ... Eukaryota. Local Identifier. http://link.lib.rpi.edu/resource/KZM24l79PNw/ Network Identifier. http://library.link/resource/ ...
  • Eukaryota (eukaryotes) includes groups like Excavates , Plants , and Amoebas . (eol.org)
  • From trees, to mammals, plankton such as forams to mushrooms, Eukaryota domain contains some pretty diverse organisms. (windows2universe.org)
  • Any of the single - celled or multicellular organisms of the taxonomic domain Eukaryota , whose cells contain at least one distinct nucleus . (wiktionary.org)
  • Any of various single-celled or multicellular organisms of the domain Eukaryota, characterized by cells that contain a distinct membrane-bound nucleus and by the occurrence of DNA transcription inside the nucleus and protein synthesis in the cytoplasm, in contrast to prokaryotes. (thefreedictionary.com)
  • We examined a full suite of biogeochemical parameters and used DNA metabarcoding to examine community composition of microbial Archaea, Bacteria, and Eukaryota. (biomedcentral.com)
  • The distributions of amino acids at most-conserved sites nearest catalytic/active centers (C/AC) in 4,645 sequences of ten enzymes of the glycolytic Embden-Meyerhof-Parnas pathway in Archaea, Bacteria and Eukaryota are similar to the proposed temporal order of their appearance on Earth. (elsevier.com)
  • The unreported characteristics of these amino acids: their spatially and conservationally identified concentrations in Archaea, Bacteria and Eukaryota, suggest some common structural organization of glycolytic enzymes that may be relevant to their evolution and that of other proteins. (elsevier.com)
  • We have identified 225 full-length FtsZ homologues, which we have used to document, phylum by phylum, the primary sequence characteristics of FtsZ homologues from the Bacteria, Archaea, and Eukaryota. (ncl.ac.uk)
  • Animals, plants, and fungi are the three major multicellular groups of the domain Eukaryota. (brighthubeducation.com)
  • By studying a large number of features found among various members of Domain Eukaryota, taxonomists have developed a phylogeny tree called a cladogram that places fungi together on a branch with animals, separate from the branch for green plants. (brighthubeducation.com)
  • You are a member of the Eukaryota domain too! (windows2universe.org)
  • Eukaryota is the only domain whose members have this cell type. (windows2universe.org)
  • Plants, animals and many other species within the domain Eukaryota are able to make more individuals by sexual reproduction. (windows2universe.org)
  • Advances in the understanding of the commensal eukaryota and viruses of the herbivore gut. (anaerobicfungi.org)
  • SCAR - Microbial Antarctic Resource System publica este recurso, y está registrado en GBIF como un publicador de datos avalado por Scientific Committee on Antarctic Research . (biodiversity.aq)
  • The concept Eukaryota represents the subject, aboutness, idea or notion of resources found in University of Manitoba Libraries . (umanitoba.ca)
  • Tři skupiny života, tedy archea, bakterie a eukaryota, se často označují jako domény . (wikipedia.org)
  • Ji " https://ku.wikipedia.org/w/index.php?title=Şablon:Taxonomy/Eukaryota&oldid=688997 " hatiye standin. (wikipedia.org)
  • Eukaryota (unknown) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Eukaryota. (mbari.org)
  • Wikipedia does not yet have an article about Eukaryota. (wikipedia.org)
  • Wikipedia needs some taxonomic information before it can include " Eukaryota " in taxoboxes. (readtiger.com)
  • Eukaryota" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (wakehealth.edu)
  • Is the Subject Area "Eukaryota" applicable to this article? (plos.org)