肌動蛋白絲 的英文怎麼說
中文拼音 [jīdòngdànbáisī]
肌動蛋白絲
英文
actin filament-
Such filaments are usually composed of the contractile proteins actin and / or myosin, and are thought to play a role in cell motility, and perhaps also change in shape
這種絲通常由伸縮蛋白肌動蛋白和(或)肌球蛋白組成,一般而言它們在細胞運動中起一定作用,並可能改變自身的形狀。Polymer his - tagged peac1 - gfp efficiently activated myosin mg - atpase activity, which indicated that peacl might take part in correlative living activities in vivo. moreover, this result provided experimental proof in vitro for fusing gfp to actin isoform directly to study the dynamics of microfilaments and its regulation in vivo. we prepared rabbit anti - pea actins polyclonal antibodies using peacl as antigen which being expressed and purified from prokaryotic cells, and the antibodies possessed better immunity activity to pea actins
通過肌動蛋白體外對dnase以及肌球蛋白atpase活性影響的研究,發現單體his - taggedpeac1 - gfp能顯著抑制dnase活性,在肌動蛋白聚合條件下能有效激活肌球蛋白atpase活性,這一結果預示著peac1在體內可能參與相關的生命活動,為利用gfp直接與肌動蛋白異型體融合來研究體內微絲的動態變化及其調節提供了實驗依據。The role of actin filaments was disused in this paper
本文討論了肌動蛋白微絲骨架在細胞融合過程中的作用。In rat hippocampal slices, tbs induced phosphorylation of p21 - activated kinase ( pak ) and its downstream effecter cofilin, signaling proteins that enable actin filament growth
在鼠海馬切片中,短暫快速脈沖刺激導致蛋白激酶21的磷酸化,在它的下游區產生了cofilin ,一種能使肌動蛋白絲生長的信號蛋白。Actin, the major component of the dynamic microfilament cytoskeleton system, exists in nearly all eukaryotic cells and plays essential roles in cellular activities
摘要肌動蛋白在真核生物中廣泛存在,由肌動蛋白參與形成的動態微絲骨架系統是細胞生命活動的基礎。Recently, a great number of biochemical analyses and immunoctochemical experiments have proved that actin presents in nuclei and chromosomes in plants and animals, showing that actin is involved in the nuclear processes such as chromosome condensation, rna transcription and so on
肌動蛋白主要存在於細胞質中,是細胞骨架微絲的重要組成成分,受多種肌動蛋白結合蛋白的調控,參與與細胞形態和結構相關的多種生理過程。The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition
熒光標記結合熒光顯微觀察表明:從可溶性上清中純化的his - taggedpeac1 - gfp聚合形成的微絲不僅可以直接在熒光顯微鏡下觀察,也可被微絲的特異標記物鬼筆環肽所標記,而且其直徑、長度以及形態上與已知的聚合肌動蛋白熒光絲一致;電鏡負染的結果進一步證實其直徑為9nm ,與傳統微絲直徑相當( 7 ? 10nm ) ;聚合曲線有明顯的停滯期,為典型的s型聚合曲線,聚合臨界濃度為0 . 75 mol l ,這一結果與已有報道相似。Cytoskeleton of a cultured epithelial cell. microtubules are shown in green and dna is shown in blue
處于有絲分裂間期的動物上皮細胞。綠色為微絲,紅色為肌動蛋白,藍色為染色質,中心點復製成兩個。Cytoskeleton of a cultured epithelial cell. microtubules are shown in green, actin is shown in red and dna is in blue. image by steve rogers
人工培養的動物上皮細胞,目前處于分裂間期。綠色為微絲,紅色為肌動蛋白,藍色為dna (染色質) 。Actin is a high - conserved protein with a wb of 43kd, aniversally exists in eucaryotic cell. f - actin is polymerized by g - actin which participates the formation of the netlike protein system of the complex skeleton in the eucaryotic cell
微絲( f - actin )是由肌動蛋白單體( g - actin )聚合形成的,它參與了真核細胞中復雜的細胞骨架網狀蛋白體系的形成。Global or filament actin was visualized in cytoplasm and nucleus of tobacco pollen mother cells, under immunoelectron microscope
免疫電鏡觀察發現,花粉母細胞中的細胞質及核中存在線狀和粒狀的肌動蛋白微絲。In this paper, the effect of nuclear actin on the process of chromosome construction has been studied by utilizing the precise natural synchrous plasmodium of physarum polycephalum, sds - polyacryl amide gel electrophoresis ( sds - page ), western blotting, the cell - free system and optics microscopy. the major results and conclusions are as follows : 1
本實驗以多頭絨泡菌原質團為材料,採用同步化培養、細胞核提取、 sds - page 、免疫印跡、非細胞體系構建、光學顯微鏡觀察等方法,研究了有絲分裂前期核內肌動蛋白對染色體構建的影響。Cultured epithelial cell undergoing division. this cell is in anaphase of mitosis. microtubules are shown in green, actin is in red and mitotic chromosomes are colored blue
正處于有絲分裂後期的動物上皮細胞。綠色的是微絲,紅色為肌動蛋白,正在有絲分裂的染色體為藍色,正在向兩極運動。Cultured epithelial cell undergoing division. this cell is in metaphase of mitosis. microtubules are shown in green, actin is in red and mitotic chromosomes are colored blue
正處于有絲分裂中期的動物上皮細胞。綠色的是微絲,紅色為肌動蛋白,藍色的染色體正處于赤道板。Actin, the major component of the dynamic microfilaments system, exists in nearly all eukaryotic cells, and plays an essential role in living activities
肌動蛋白在真核生物中廣泛存在,由肌動蛋白參與形成的動態微絲骨架系統是細胞生命活動的基礎。Cortactin, a novel member of filament actin binding protein family and the main substrate of non - receptor src protein kinase, plays an important role in the dynamic organization of cell cortex cytoskeleton
皮層蛋白( cortactin )是一種微絲肌動蛋白結合蛋白,它與肌動蛋白纖絲的側面相結合,並直接參與皮層細胞骨架的組建。Cultured epithelial cell undergoing division. this cell is in prophase of mitosis. microtubules are shown in green, actin is in red and mitotic chromosomes are colored blue
以上兩圖為正處于有絲分裂前期的動物上皮細胞。綠色的是微絲,紅色為肌動蛋白,染色質高度螺旋成為粗短的染色體(藍色) ,核膜核仁逐漸解體,染色體不規則地分佈於細胞內。Using conventional and immunoelectron microscopic methods, the cytomixis in pollen mother cells of tobacco ( nicotiana tobacum ) and the distribution of actin microfilaments during this process were investigated in the present study
摘要應用普通電鏡和酶聯免疫電鏡技術,研究了煙草花粉母細胞中的細胞融合現象及細胞融合過程中肌動蛋白微絲骨架的變化。As cyclin b is the mark protein representing the process of prophase, we infered that cytochalasin b destroyed the polymerization of the nuclear actin and directly affected the process of prophase. nuclear actin played an important role in the process of the chromosome construction
因為cyclinb是有絲分裂前期進程的標志性蛋白,所以我們認為細胞鬆弛素b破壞細胞核內肌動蛋白聚合后,直接影響了有絲分裂前期的進程,進而悅明核內肌動蛋白在有絲分裂前期染色體構建過程中起著重要作用。Although fluorescence labeling method was widely used in the observation of microfilaments " dynamic distributions in vivo, all of the traditional methods have their limits. the use of gfp fusion and the preparation of new type of algae fluorescent probe will facilitate our further study on plant actins
熒光標記技術雖然廣泛用於細胞內微絲骨架分佈及其動態的研究,但傳統的熒光標記方法用於植物肌動蛋白研究時都具有一定的局限性,利用gfp融合以及研製新型的藻熒光探針有助於對植物肌動蛋白的深入了解。分享友人