• The amoeba moves by throwing out cytoplasmic buds, or pseudopodia, into which the rest of the cytoplasm flows in a streaming movement. (indianetzone.com)
  • Amoeba, also spelled ameba, plural amoebas or amoebae, any of the microscopic unicellular protozoans of the rhizopodan order Amoebida.The well-known type species, Amoeba proteus, is found on decaying bottom vegetation of freshwater streams and ponds. (godman-inc.com)
  • Arcella and Difflugia species are examples of shelled amoeba in this group. (microscopemaster.com)
  • Here, the amoeba extends the pseudopods (cytoplasmic extensions) which allow them to engulf food material and digest them within the cell. (microscopemaster.com)
  • Cytoplasmic streaming is strongly dependent upon intracellular pH and temperature. (wikipedia.org)
  • Among the ions taken up by the plant cells, Ca2+ plays an essential role as an intracellular secondary messenger in plants and thus the cytoplasmic free Ca2+ concentration ([Ca2+]c) is strictly regulated. (globalsciencebooks.info)
  • It is involved in a large number of cellular processes, including muscle contraction, lamellopodial extrusion, cell locomotion, cytokinesis, intracellular transport and cytoplasmic streaming. (tebubio.com)
  • The pseudopods move and feed by means of the cytoplasmic extensions (pseudopodia) which also consists of microfilaments. (microscopemaster.com)
  • Cytoplasmic streaming, also called protoplasmic streaming and cyclosis, is the flow of the cytoplasm inside the cell, driven by forces from the cytoskeleton. (wikipedia.org)
  • The flow of cytoplasm may be stopped by: Adding Lugol's iodine solution Adding Cytochalasin D (dissolved in dimethyl sulfoxide) What is clearly visible in plants cells which exhibit cytoplasmic streaming is the motion of the chloroplasts moving with the cytoplasmic flow. (wikipedia.org)
  • The cytoplasm flows at a rate of 100 microns/sec, the fastest of all known cytoplasmic streaming phenomena. (wikipedia.org)
  • which are brought about by circulation of streaming cytoplasm within the raphe and by the secretion of the mucilage through the raphe and its hydration. (botanystudies.com)
  • With a variety of interviewees of different backgrounds, some of whom are more obviously accustomed to articulating complex information to an audience, Dentinger is undoubtedly the best, informed, relaxed and a good communicator, introducing his subject and explaining basic biological terms such as chemotaxis, phagocytosis and cytoplasmic streaming as he introduces each. (geekchocolate.co.uk)
  • In plant cells, chloroplasts may be moved around with the stream, possibly to a position of optimum light absorption for photosynthesis. (wikipedia.org)
  • Chloroplasts are never seen to cross these zones, and as a result it was thought that cytoplasmic and vacuolar fluid flow are similarly restricted, but this is not true. (wikipedia.org)
  • The most conspicuous of cytoplasmic structures are the brownish plastids which contain chlorophyll-a and -c, beta-carotenes and a number of xanthophyll's including the fucoxanthin which masks the chloroplasts and is responsible for the characteristics color of the plant thallus. (botanystudies.com)
  • The exact mechanism of cell death from GO remains uncertain although a slight increase in lactate dehydrogenase (LDH) from cells, generation of reactive oxygen species, and weak activation of a caspase-3-mediated apoptosis pathway have all been reported. (ikk-signal.com)
  • A study reports that glutaminolysis has largely contributed to scavenging of reactive oxygen species and reduction of oxidized glutathione. (tebubio.com)
  • Classified as a subphylum or superclass in some literature, phylum Sarcodina consists of amoeboid protozoa that move and feed by means of cytoplasmic streaming. (microscopemaster.com)
  • While their species are classified under the group Rhizopoda, they are known considered true protozoa. (microscopemaster.com)
  • Phylum Protozoa (Approximately 30,000 Known Species): … 12-10 List the defining characteristics of protozoa. (projectbr.com)
  • and a general multiplication of the cytoplasmic constituents, including mitochondria, ER and all other organelles. (frontiersin.org)
  • Maintenance and multiplication of heterozygous plants( cross pollinated plant species ) is easy in tissue culture 10. (pdfcoffee.com)
  • The initial 36 residues form a cytoplasmic tail, accompanied by an individual transmembrane domains (21 residues), and an extracellular area composed of two domains. (globaltechbiz.com)
  • These molecules have both extracellular regions as well as a halo infinite noclip sequence and a cytoplasmic tail. (phongthuyxam.com)
  • Results strongly suggest that cytoplasmic streaming is a key determinant of plant size. (botany.one)
  • Some of the species have also been shown to produce flagella for locomotion (swimming). (microscopemaster.com)
  • As the myosin molecules "walk" along the actin filaments dragging the organelles with them, the cytoplasmic fluid becomes entrained and is pushed/pulled along. (wikipedia.org)
  • Similarly, adherence junctions (AJs) are more basal than TJs and are defined by their cytoplasmic face being linked to the actin cytoskeleton [ 8 ]. (hindawi.com)
  • The transmembrane beta subunit contains tyrosine kinase activity on its cytoplasmic domain that results in rapid receptor autophosphorylation. (weeksmd.com)
  • The green alga genus Chara possesses some very large cells, up to 10 cm in length, and cytoplasmic streaming has been studied in these large cells. (wikipedia.org)
  • Some species (e.g. some members of the genus Acanthamoeba) form cysts during unfavorable conditions. (microscopemaster.com)
  • RHDV affects only rab- subsequently has been described in eastern and western bits of the Oryctolagus genus which, in the United States, Europe, Asia, South America, Australia, Mexico, and the is limited to domestic rabbit species. (cdc.gov)
  • It ranges from 50 to 300um in size which varies from species to Genus Paramecium 6. (jvestrada.com)
  • There are strong indications that the genus Oryza originated in the Gondwana supercontinent, which began to fracture and drift apart in the early Cretaceous period, and that wild species differentiated out of a common ancestor and became widely distributed in the humid tropics of Africa, South America, South and South-East Asia (including south-western and southern China), Oceania and Australia. (plantnet-project.org)
  • Medium pH ranging between 5.5 and 6.5 is ideal for rooting of most horticultural crops, although cuttings of some species prefer lower or higher pH. (globalsciencebooks.info)
  • The majority of species can be found in aquatic environments where they exist as free-living organisms. (microscopemaster.com)
  • Once grouped among the estimated one and a half million species discovered in the diverse kingdom of the fungi, the slime moulds are now considered separately even though that categorisation is misleading, the slime mould umbrella containing many organisms which display similar behaviour but are in fact genetically unrelated, though as stated by amateur mycologist Mark Pragnell "nature doesn't define a species, it's us that's done that. (geekchocolate.co.uk)
  • Atypical mycobacteria belong to the same family of mycobacterial organisms as M tuberculosis but include other species such as M kansaii, M Chelonea, M fortuitum, M avium , and M intracellularea . (medscape.com)
  • First, Kamiya and Kuroda, experimentally determined that cytoplasmic flow rate varies radially within the cell, a phenomenon not clearly depicted by the chloroplast movement. (wikipedia.org)
  • The hormone is made in the beta cells of the pancreas, and the stimulus for its secretion into the blood stream is a rise in the blood glucose concentration. (weeksmd.com)
  • Ecology/Habitat - Lobosa species are commonly found in wet habitats including moist soils, plants in aquatic environments, freshwater sediments, and wet foliage etc. (microscopemaster.com)
  • Clearly, given the nearly 400,000 species of plants that have been identified around the globe thus far, the flora of Earth has developed its own ways to respond to stress. (scienceabc.com)
  • Many plants are short-lived because they lack any adaptations to survive challenging times, but their reproduction is often taken care of by then, so succumbing to death isn't a failure in the grand scheme of their species. (scienceabc.com)
  • The simple chemicals used by plants are transported where they're needed through four methods- cytoplasmic streaming, slow diffusion, via xylem, or via phloem . (scienceabc.com)
  • It was suggested by setter & co-workers, 1999 that, "Stress on plants imposed by flooding of the soil and deeper submergence constitutes one of the major abiotic constraints on growth, species distribution and agricultural productivity. (ukessays.com)
  • Some examples of paramecia species include Paramecium caudatum, Paramecium bursaria and Paramecium multimicronucleatum. (jvestrada.com)
  • Nutrition - In their respective habitats, Lobsa species feed on fungi, algae, and bacteria. (microscopemaster.com)
  • Providing a more professional insight, Bryn Dentinger, head of mycology of the Royal Botanic Gardens at Kew, offers a more useful determination of how the thousand or so species of slime mould came to be defined, their slimy appearance giving them their name but the unique pulsing movement of the colonies in search of food being what sets them apart from the more widely researched fungi. (geekchocolate.co.uk)
  • The decline in available energy can subsequently reduce other active cellular processes such as nutrient uptake, osmotic adjustment or regulation of cytoplasmic pH" (Probert & Keating, 2000). (ukessays.com)
  • For example, pre-TCR function can be competent in mutant mice deficient in the Compact disc3 cytoplasmic site (35). (tech-strategy.org)
  • In all species, Boule and Dazl are located in single copy on autosomes, while multiple DAZ genes are located on the Y chromosome. (ijbs.com)
  • Protoplast fusion and embryo culture techniques are used to integrate desirable genes from wild species to the cultivated species 15. (pdfcoffee.com)
  • These filamentous bacteria-like algae have no nucleus that envelopes their DNA and some species are capable of movement. (canadiannaturephotographer.com)
  • Factors Affecting Plant Tissue Culture: Growth Media Minerals, Growth factors, Carbon source, Hormones Environmental Factors Light, Temperature, Photoperiod, Sterile condition and Relative Humidity Explant Source Usually, the younger, less differentiated the explant, the better for tissue culture Genetics Different species show differences in amenability to tissue culture. (pdfcoffee.com)
  • As well as the structural necessity, Compact disc3 and Compact disc3 may regulate pre-TCR function through the signaling capability from the immunoreceptor tyrosine-based activation motifs (ITAMs) shown within their cytoplasmic domains (34). (tech-strategy.org)
  • Arcella species are characterized by an umbrella-shaped shell of varying sizes depending on the species. (microscopemaster.com)
  • Depending on the species, the cells are binucleate or multinucleated. (microscopemaster.com)
  • Depending on the species, DAZL is expressed in primordial germ cells (PGCs) and/or pre-meiotic and meiotic germ cells of both sexes. (ijbs.com)
  • In smaller cells, the diffusion of molecules is more rapid, but diffusion slows as the size of the cell increases, so larger cells may need cytoplasmic streaming for efficient function. (wikipedia.org)
  • DAZ family proteins are found almost exclusively in germ cells in distant animal species. (ijbs.com)
  • It is checked by formation of auxospores which give rise to vegetative cells of maximum size for the species. (botanystudies.com)
  • It has been observed that the effect of temperature on cytoplasmic streaming created linear variance and dependence at different high temperatures in comparison to low temperatures. (wikipedia.org)
  • These partially ionized gases deliver a therapeutic cocktail of reactive oxygen and nitrogen species safely at body temperature and without genotoxic side effects. (mdpi.com)
  • While an art project of Barnett's entertainingly asks volunteers to behave as a slime mould colony and Pragnell suggests using slime moulds to model human movement en masse with a view to understanding traffic flow in densely populated areas, other more practical methods are available to provide less ambiguous results more swiftly. (geekchocolate.co.uk)
  • The single nucleus is suspended in the center of the vacuole by a cytoplasmic bridge. (botanystudies.com)
  • Cytoplasmic flow rates can range between 1 and 100 micron/sec. (wikipedia.org)
  • Chara corallina exhibits cyclic cytoplasmic flow around a large central vacuole. (wikipedia.org)
  • Second, Raymond Goldstein and others developed a mathematical fluid model for the cytoplasmic flow which not only predicts the behavior noted by Kamiya and Kuroda, but predicts the trajectories of cytoplasmic flow through indifferent zones. (wikipedia.org)
  • It can be transported through the blood stream from distant infected site in the form of disseminated tuberculous infection. (medscape.com)
  • Naked species lack shells and therefore do not have a constant general body form. (microscopemaster.com)
  • Morphology - Eumycetozoea species are unique from some of the other Sarcodina in that they form filiform subpseudopodia. (microscopemaster.com)
  • Habitat - The majority of species can be found in moist soil, coral reefs, and some aquatic environments. (microscopemaster.com)
  • This article focuses on a couple of nassulid species found near Calgary, Alberta. (canadiannaturephotographer.com)
  • The number of different species found in a simple pond is amazing. (canadiannaturephotographer.com)
  • Using a novel higher affinity 4x-FYVE finger PI3P-binding probe, we found a Vps34-independent pool of PI3P accounting for ~35% of the total amount of this lipid species by biochemical analysis. (columbia.edu)
  • Of the wild species in Asia, O. nivara and O. rufipogon are found mainly in the Asian mainland, O. granulata , O. meyeriana , O. officinalis, and O. ridleyi span both mainland and islands, O. longiglumis , O. minuta and O. schlechteri are confined to the islands. (plantnet-project.org)
  • Then it focuses on five plant species of global interest or importance, Barley, Tomatoes, Soy Bean, Cotton and Rice, showing the effect of waterlogging on each, quoting journals and experiments done by fellow scientist .The topic of research into waterlogging is vast, with thousands of journals and experiments on countless plant species, so I'm focusing on just five. (ukessays.com)
  • Staphylococcus aureus and Pseudomonas aeruginosa , in the presence of ethanolic leaf extracts of two plant species Callistemon citrinus and Vernonia adoensis from Zimbabwe. (biomedcentral.com)
  • Toxic signs preceding death in both species were ataxia, hyperexcitability, depression, loss of righting reflex and dyspnea progressing to respiratory arrest. (unodc.org)
  • For instance, Arcella species produce lobopodia which emerges from the aperture of the cell. (microscopemaster.com)
  • Nassulid species photographed with bright field microscopy showing an algal filament outside the cell and numerous fragments inside along with colourful vacuoles. (canadiannaturephotographer.com)
  • Focused-light-induced-cytoplasmic-streaming ( FLUCS ) is a new non-invasive laser technique that reveals the physical principles of cell organization. (scitechdaily.com)
  • Autophagy requires the biogenesis of autophagosomes (APs), which are large multilamellar vesicles that sequester cytoplasmic substrates and undergo a maturation process that ultimately leads to their fusion with lysosomes. (columbia.edu)
  • In addition to the cultivated O. glaberrima Steudel, Africa has the wild species O. barthii A. Chev. (plantnet-project.org)
  • In Australia, Oceania and South America no cultivated annual has been developed from the wild species. (plantnet-project.org)
  • Most species are free-living and can be seen in the water of any small freshwater pond, the larger forms being just visible to the naked eye. (indianetzone.com)
  • Flooding and submergence are major abiotic stresses and rank alongside water shortage, salinity and extreme temperatures as major determinants of species distribution worldwide. (ukessays.com)
  • Thereby, the brain-expressed miR-181 species emerged as potential 'umbrella regulator', with several seed matches across the fragile X gene family and FMR2. (uni-wuerzburg.de)
  • C) A stream chart showing techniques involved in digital testing. (globaltechbiz.com)