作者: generic 時間: 2025-3-21 21:39 作者: bifurcate 時間: 2025-3-22 01:41
Construction and Analysis of , Mutants with Defects in Actin-Binding Proteinsctive in specific components of the cytoskeleton. By a colony blot technique three mutants were detected that were defective in the F-actin crosslinking proteins aactinin and 120 kDa gelation factor and the F-actin fragmenting protein severin, respectively. Here we focus on the description of the a-作者: flutter 時間: 2025-3-22 07:49 作者: Condyle 時間: 2025-3-22 10:15
Domain Structure of , Myosin Heavy Chainnhibited by physiological levels of Ca.. The involvement of the Ca-inhibition in regulating plasmodial motility is suggested by the Ca-dependent contraction of demembranated plasmodial cells (... 1981, . and . 1984, . and . 1986, 1986 a)..The domain structure of this myosin HC (230 K Mr) was studied作者: 排斥 時間: 2025-3-22 14:23
Immunoelectron Microscopic Localization of the , 36,000-Dalton Actin Binding Protein on the Surface luble fraction prepared from the endoplasm at the electron microscopic resolution using immunogold reagents. The ABP-36 was specifically localized on the surfaces of vesicles of 0.5 to 1.0 μm in diameter, and the vesicles are often clustered. This Triton insoluble fraction binds exogenous added acti作者: 排斥 時間: 2025-3-22 18:52
Manipulating Single Microtubulesotubules (which are only 25 nm in width) and other submicroscopic filaments with the light microscope. We then describe the asymmetric growth and shortening of freshly exposed micro-tubule ends observed with video-enhanced DIC microscopy. Plus and minus ends were exposed by cutting the microtubule w作者: 外形 時間: 2025-3-22 21:43
Cytochalasin-Induced Ultrastructural Alterations in , Pollen Tubess that occur in pollen tubes of . following treatment with cytochalasins. We utilize rapid freeze fixation and freeze substitution as a method superior to conventional chemical fixation for the preservation of cytoskeletal elements and membrane systems. The results show that either cytochalasin B or作者: Impugn 時間: 2025-3-23 03:23
Pinocytosis and Locomotion of , XVII. Different Morphodynamic Forms of Endocytosis and Microfilament and to study the mode of membrane-microfilament interaction in .. The chemical nature of all applied substances has a distinct influence on the size and shape of pinocytotic invaginations in that channels are formed ranging from 16 ± 3 μm (divalent cations) to 47 ± 8 μm (monovalent cations) in leng作者: arrhythmic 時間: 2025-3-23 06:33
Diffusion of Substances in the Cytoplasm and Across the Nuclear Envelope in Egg Cells protoplasm in sand dollar eggs and starfish and mouse oocytes microinjected with fluorescent substances. The diffusion rates of fluorescein (M.W.: 408.5) and FITC-dextran (M.W.: 39,000) in sand dollar egg cytoplasm were 20–30%, respectively of the diffusion rates of these substances in water. In st作者: Diskectomy 時間: 2025-3-23 10:12
Cytoskeletal Ultrastructure of Phragmoplast-Nuclei Complexes Isolated from Cultured Tobacco Cellsidicolin and propyzamide. Each isolated phragmoplast was associated with the daughter nuclei and the association was maintained after the phragmoplast lost either its actin filaments or its microtubules. Actin filaments identified by heavy meromyosin arrowhead decoration were abundant in the isolate作者: 背信 時間: 2025-3-23 16:01
Structural Analysis of the Sea Urchin Egg Cortex Isolated on a Substratumthe streak stage isolated by homogenization, the cortical vacuoles tended to be situated apart from the plasma membrane to some extent, making a room which well-developed actin filament meshworks occupied. However, in the intact egg at the streak stage, which was rapid-frozen and freeze-substituted,作者: GROSS 時間: 2025-3-23 20:38 作者: 鄙視讀作 時間: 2025-3-23 23:08
A New Class of Photoactivated Fixatives for Immunocytochemistryion technique using photoactivated 1,3,5-triazido-2,4,6-trinitrobenzene (TTB). This fixative preserves antigenicity in general better than the many conventional fixatives we have tried. We communicate here on the existence and some properties of a whole host of structurally related compounds, many o作者: ICLE 時間: 2025-3-24 02:40
An Insoluble Matrix of the Nerve Cytoskeletone of the distinctive morphological characteristics of the unextracted nerve cord. When the nerve cord sheath is removed by digestion with collagenase, and the nerve cord ghost washed with the guanidine HC1 solvent, the remaining structure continues to resemble the unextracted nerve cord. Further ext作者: Occipital-Lobe 時間: 2025-3-24 07:37
Role of Microtubules in Hormone Secretory Function of the Rat Anterior Pituitaryituitary cells . Immunofluorescence microscopy showed a relatively intense tubulin staining in all secretory cells, although the staining intensity varied among different cell types. By thin-section electron microscopy, microtubules were distributed preferentially in perinuclear regions. They radiat作者: Additive 時間: 2025-3-24 13:12 作者: sebaceous-gland 時間: 2025-3-24 16:02 作者: inscribe 時間: 2025-3-24 19:17 作者: lesion 時間: 2025-3-25 02:13 作者: AVANT 時間: 2025-3-25 04:33 作者: 偏離 時間: 2025-3-25 10:01 作者: 動機 時間: 2025-3-25 13:52
Light Control of Gene Expression Dynamics include a loss of organelle zonation and vesicle aggregation in the tube tip, the accumulation of large stacks and coils of endoplasmic reticulum, and a crystalline rearrangement of a membrane component of some of the vacuoles. Following removal of cytochalasin the pollen tube ultrastructure returns to its normal configuration.作者: 熱情的我 時間: 2025-3-25 19:44 作者: NAUT 時間: 2025-3-25 20:51 作者: Protein 時間: 2025-3-26 02:39
Construction and Analysis of , Mutants with Defects in Actin-Binding Proteinstility, axenic growth, phagocytosis of bacteria, chemotaxis during development and formation of fruiting bodies. These surprising results suggest that evolutionary highly conserved proteins of the nonmuscle cytoskeleton may be replaced in their function by . similarly acting proteins.作者: corpuscle 時間: 2025-3-26 05:33
Manipulating Single Microtubulesagating (conformational) change is likely to be involved in the rapid disassembly of microtubules whenever the cap at the plus (but not minus) end has been removed. The observations suggest a potentially important mechanism that can selectively govern the growth and shortening of individual microtubules in living cells.作者: Aura231 時間: 2025-3-26 09:39
Cytochalasin-Induced Ultrastructural Alterations in , Pollen Tubes include a loss of organelle zonation and vesicle aggregation in the tube tip, the accumulation of large stacks and coils of endoplasmic reticulum, and a crystalline rearrangement of a membrane component of some of the vacuoles. Following removal of cytochalasin the pollen tube ultrastructure returns to its normal configuration.作者: Original 時間: 2025-3-26 14:54 作者: Unsaturated-Fat 時間: 2025-3-26 19:46 作者: 清醒 時間: 2025-3-27 00:43
978-3-7091-9013-5Springer-Verlag/Wien 1989作者: 解凍 時間: 2025-3-27 03:54
Protoplasma. Supplementumhttp://image.papertrans.cn/c/image/222808.jpg作者: 壓碎 時間: 2025-3-27 08:52
Cell Dynamics978-3-7091-9011-1Series ISSN 0934-8727 作者: 粗鄙的人 時間: 2025-3-27 11:55
0934-8727 Overview: 978-3-7091-9013-5978-3-7091-9011-1Series ISSN 0934-8727 作者: 我正派 時間: 2025-3-27 16:13 作者: Flu表流動 時間: 2025-3-27 21:08
https://doi.org/10.1007/978-981-15-6459-8 localization in rat fibroblasts as well as L 6 myoblasts and myotubes. Like smooth muscle caldesmon, it is heat-resistant, binds to calmodulin-Sepharose in a calcium dependent manner, and binds to actin in a Ca./calmodulin dependent manner. Further, affinity-purified polyclonal antibodies raised ag作者: FILLY 時間: 2025-3-27 23:07
https://doi.org/10.1007/978-981-15-7627-0ctive in specific components of the cytoskeleton. By a colony blot technique three mutants were detected that were defective in the F-actin crosslinking proteins aactinin and 120 kDa gelation factor and the F-actin fragmenting protein severin, respectively. Here we focus on the description of the a-作者: 善于 時間: 2025-3-28 05:41
https://doi.org/10.1007/978-981-15-8380-3ating medium containing Mg-ATP and sucrose, and these fibrils were referred to as the network fibers [. S (1980) J Cell Biol 87: 569–578]..After spreading on the glass slide, this network fiber was induced to elongate by muscle actin in ATP dependent manner. Projections were newly formed in the midd作者: superfluous 時間: 2025-3-28 09:21 作者: indicate 時間: 2025-3-28 12:49
Vasoproliferative Retinal Tumor,luble fraction prepared from the endoplasm at the electron microscopic resolution using immunogold reagents. The ABP-36 was specifically localized on the surfaces of vesicles of 0.5 to 1.0 μm in diameter, and the vesicles are often clustered. This Triton insoluble fraction binds exogenous added acti作者: 災禍 時間: 2025-3-28 15:22
https://doi.org/10.1007/978-981-15-8763-4otubules (which are only 25 nm in width) and other submicroscopic filaments with the light microscope. We then describe the asymmetric growth and shortening of freshly exposed micro-tubule ends observed with video-enhanced DIC microscopy. Plus and minus ends were exposed by cutting the microtubule w作者: 暗諷 時間: 2025-3-28 20:05
Light Control of Gene Expression Dynamicss that occur in pollen tubes of . following treatment with cytochalasins. We utilize rapid freeze fixation and freeze substitution as a method superior to conventional chemical fixation for the preservation of cytoskeletal elements and membrane systems. The results show that either cytochalasin B or作者: 污點 時間: 2025-3-28 22:58 作者: 搏斗 時間: 2025-3-29 06:06 作者: interrupt 時間: 2025-3-29 10:33 作者: Anemia 時間: 2025-3-29 14:00 作者: 詢問 時間: 2025-3-29 19:39 作者: 強有力 時間: 2025-3-29 20:23 作者: inventory 時間: 2025-3-30 00:56 作者: Corroborate 時間: 2025-3-30 06:24
The Theory of Complex Formal Organization,ituitary cells . Immunofluorescence microscopy showed a relatively intense tubulin staining in all secretory cells, although the staining intensity varied among different cell types. By thin-section electron microscopy, microtubules were distributed preferentially in perinuclear regions. They radiat作者: collateral 時間: 2025-3-30 12:15
Motion-Controlled ATP Hydrolysis in Reconstituted Streaming from Rabbit Skeletal Muscleystem”, in which not only the velocity but also the direction of streaming can be controlled externally. Upon increasing the positive streaming velocity, the ATPase activity first increases and then decreases. On the contrary, at negative streaming velocities, corresponding to lengthening, the ATPas作者: Jocose 時間: 2025-3-30 16:22 作者: initiate 時間: 2025-3-30 17:59
Actin-Induced Elongation of Fibers Composed of Cytoplasmic Membrane from ,ng. Projections reached about 100 μm long maximally and the maximum speed of elongation was about 30 μm/s. The movement continued for about 5 min after addition of actin. Electron micrographs showed membraneous structures in the fiber.作者: 躲債 時間: 2025-3-30 23:06 作者: Little 時間: 2025-3-31 03:50 作者: Malaise 時間: 2025-3-31 07:05 作者: GRAVE 時間: 2025-3-31 12:01
Structural Analysis of the Sea Urchin Egg Cortex Isolated on a SubstratumThey were attached to the plasma membrane at their barbed ends and cross-linked with each other by thin strands. A dramatic actin polymerization which occurs soon after fertilization was observed as a formation of a filamentous layer underneath the plasma membrane. Subsequently, this layer reduced i作者: Commentary 時間: 2025-3-31 13:21 作者: 母豬 時間: 2025-3-31 19:24
Role of Microtubules in Hormone Secretory Function of the Rat Anterior Pituitaryes, mitochondria, Golgi apparatus and rough ER which was dilated considerably. Radioimmunoassay indicated a significant decrease in hormone levels of plasma TSH, PRL and LH after colchicine and vinblastine treatment. When such drug-injected rats were further stimulated with hypothalamic releasing ho作者: Scleroderma 時間: 2025-4-1 00:20 作者: GROG 時間: 2025-4-1 05:31
https://doi.org/10.1007/978-981-15-6459-8protein, which probably explains the presence of four isoelectric variants around pI 7 on high resolution two dimensional gels. Indirect immunofluorescence has shown that 83 kDa protein is localized in stress fibers of L 6 myoblasts, but disappears after fusion of L 6 myoblasts into myotubes. Bioche作者: Comprise 時間: 2025-4-1 06:39
