Cytoplasmic streaming is the flowing of cytoplasm in eukaryotic cells. This occurs in both plant and animal cells. It creates cytoplasmic reorganization during cell reproduction. In unicellular eukaryotes such as like amoeba, it provides the mechanism for cell locomotion. It aids in the delivery of nutrients, metabolites, and genetic information to all parts of larger plantcells. It vigorously "stirs" these components about the cytoplasm, allowing them to flow to all parts of the cell. As membrane-bound organelles crawl along the inner cell wall they set the cytoplasm into motion. This streaming allows other organelles and nutrients to flow in the stream created. Actin filaments play a role in streaming. Organelles. ... Kingdoms Animalia - Animals Fungi Plantae - Plants Protista A eukaryote (also spelled eucaryote) is an organism with complex cells, in which the genetic material is organized into membrane-bound nuclei. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) †Rhyniophyta - rhyniophytes †Zosterophyllophyta - zosterophylls Lycopodiophyta - clubmosses †Trimerophytophyta - trimerophytes Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta... Phyla Subregnum Parazoa Porifera Subregnum Eumetazoa Placozoa Orthonectida Rhombozoa Radiata (unranked) Ctenophora Cnidaria Bilateria (unranked) Acoelomorpha Myxozoa Superphylum Deuterostomia Chordata Hemichordata Echinodermata Chaetognatha Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda Nematomorpha Onychophora Tardigrada Arthropoda Superphylum Platyzoa Platyhelminthes Gastrotricha Rotifera Acanthocephala Gnathostomulida Micrognathozoa Cycliophora Superphylum Lophotrochozoa Sipuncula Nemertea Phoronida Bryozoa Entoprocta Brachiopoda... Kingdoms Eukaryotes are organisms with complex cells, in which the genetic material is organized into membrane-bound nuclei. ... Amoeba is a genus of protozoa that moves by means of temporary projections called pseudopods, and is well-known as a representative unicellular organism. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) †Rhyniophyta - rhyniophytes †Zosterophyllophyta - zosterophylls Lycopodiophyta - clubmosses †Trimerophytophyta - trimerophytes Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta... Drawing of the structure of cork as it appeared under the microscope to Robert Hook from Micrographia which is the origin of the word cell. Cells in culture, stained for keratin (red) and DNA (green). ... Schematic of typical animal cell, showing subcellular components. ... A cell wall is a fairly rigid layer surrounding a cell located outside of the plasma membrane that provides additional support and protection. ... Schematic of typical animal cell, showing subcellular components. ...
Lugols iodine, also known as Lugols solution, first made in 1829, is a solution of iodine named after the French physician J.G.A. Lugol. ... Dimethyl sulfoxide (DMSO) is the chemical compound (CH3)2SO. This colorless liquid is an important dipolar aprotic solvent. ...
Chloroplasts
Chloroplasts make use of cytoplasmic streaming to move to optimum position within the cell for maximum light absorption used in photosynthesis666666666666666666666666666666. Chloroplasts are organelles found in plant cells and eukaryotic algae which conduct photosynthesis. ... The leaf is the primary site of photosynthesis in plants. ...
This "fountainhead" pattern of cytoplasmicstreaming may be directed by the sperm pronucleus, the associated centrosomes and nascent microtubules, or a localized cortical change induced by sperm entry, since embryos in which the sperm entered laterally display cytoplasmicstreaming that is laterally directed toward the sperm pronucleus (Goldstein and Hird 1996).
Cytoplasmicstreaming appears to have a major role in localizing germ-line-specific P granules to the posterior cortex of the one-cell embryo.
Treatment of embryos with the microfilament inhibitor cytochalasin D disrupts the microfilament cytoskeleton (Strome 1986b) and prevents cytoplasmicstreaming (Hird and White 1993), P-granule segregation to the posterior, and the development of spindle asymmetry (Strome and Wood 1983).
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