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核仁纤维区
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  nucleolar fibrous core
     ULTRASTRURE AND THREE-DIMENSIONAL RECONSTRUCTION OF NUCLEOLAR FIBROUS CORE OF Chlamydomonas reinhardtii Dangeard (CrD)
     莱哈衣藻(Chlamydomonas reinhardtii Dangeard)细胞核仁纤维区的超微结构及三维重建
短句来源
     RESEARCH ON RADIATION-BIOLOGY EFFECTS OF  ̄3H(Ⅳ)EFFECT OF HTO ON NUCLEOLAR FIBROUS CORE OF CHLAMYDOMONAS REINHARDTII DANGEARD
     ~3H的辐射生物学效应的研究(Ⅳ)HTO对莱哈衣藻(Chlamydomonas reinhardtii Dangeard)核仁纤维区超微结构的影响
短句来源
     Effect of HTO on nucleolar fibrous core is studied by using new silverstaining and electro-microscopic examination.
     利用电子显微镜和银染技术研究HTO对莱哈衣藻核仁纤维区的辐射效应。
短句来源
     After having been culturedwith low- level tritiated water(HTO) (37 ×10kBq/mL)for 1400 hours,convoluted rope-like structure of nucleolar fibrous core is expanded and rela-xed, volume of fibrous core increased and string-like structure becomes moreclear;
     衣藻细胞在含低剂量HTO(370kBq/mL)培养基培养1400h以后,间期核仁纤维区索状结构变得膨松,体积增大;
短句来源
  “核仁纤维区”译为未确定词的双语例句
     Up to now, however, there is no evidence that the nucleomorph contains basic protein and acidic protein which usually presents in a nucleolus. Function of the nuclcomorph is also lefted to be verified. 4'-6-diamidino-2-phenylindole (DAPI), Uranyl acetate-EDTA-Lead, AS and Ag-NOR stains were used in our cytochemical studies on the nucleomorph of Cryptomonas zhanjiangis.
     我们用4-6-diamidino-2-phenylindole(DAPI)荧光染色法、Uranyl acetate-EDTA-Lead染色法、碳酸氨银染色法(AS)和特异性显示核仁纤维区酸性蛋白的Ag-NOR银染法,分别在光镜和电镜下对湛江隐藻(Cryptomonas zhanjianagis Hu et Li)进行了核形体细胞化学的研究。
短句来源
     Results of the studies show that the nucleomorph contains not only DNA (Plate Ⅰ, Fig. 4) and RNA (Plate Ⅱ, Fig. 5), but also basic protein (Plate Ⅱ, Fig. 7) and acidic protein (Plate Ⅱ, Fig. 7, 8) which usually presents in the fibrous area of the nucleolus.
     除证实核形体中DNA、RNA和极少量碱性蛋白存在外,还首次证实了核形体中类似于核仁纤维区的酸性蛋白的存在。
短句来源
  相似匹配句对
     AROMATIC POLYAMIDE FIBER
     芳香族聚酰胺纤维
短句来源
     Special Style Fibres
     特殊风格纤维
短句来源
     Fiber developed initially with the elongation of cells containing ribosomes, mitochondria and Golgi bodies in the dense cytoplasm.
     纤维发育早期 ,细胞具有较大的细胞核和核仁 ;
短句来源
     THE NUCLEOLAR FIBRILLAR CENTER OF MERISTEMATIC OF ALLIUM SATIVUML
     大蒜根尖分生组织核仁纤维中心形态结构扫描电镜研究
短句来源
     The Nucleolus and Nucleolar Proteins
     核仁核仁蛋白
短句来源
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To date no nuckolus had been observed in Prorocentrum under the light microscope. The author failed to show the nucleoli of P. micans and P. cassubica with eosin in 70% alc or with methyl green-pyronin. But when these dinoflagellatcs were treated with an Ag-1 technique which had been improved for demonstrating NORs in unicellular organisms, nucleoli were stained dark brown or black, while all other parts showed no colour. When the materials were stained well, only the central part of the nucleolus was stained....

To date no nuckolus had been observed in Prorocentrum under the light microscope. The author failed to show the nucleoli of P. micans and P. cassubica with eosin in 70% alc or with methyl green-pyronin. But when these dinoflagellatcs were treated with an Ag-1 technique which had been improved for demonstrating NORs in unicellular organisms, nucleoli were stained dark brown or black, while all other parts showed no colour. When the materials were stained well, only the central part of the nucleolus was stained. Under the electron microscope, it was observed that all the silver grains were concentrated in the pars fibrosa of the nuckolus. P. cassubica had only one small oblate nucleolus attached to the nuclear envelope, with NOR usually in the shape of the letters O or C. P. micans had 1-7 nucleoli of various sizes and shapes with NORs in various complicated forms. The number of nucleoli bore a certain relationship to the living state of the dino-flagellate. One day after fresh medium was added, cells with 3 nucleoli were most common, and 28.5% of the individuals had 4-6 nucleoli. Cells having only one nucleolus accounted for 8.6%. 3 days after, cells with 2 nucleoli became dominant, and those with 4-6 decreased to 18.4%. After a month, cells with 1 nucleolus became most abundant, cells having 4 nucleoli decreased to 2.4%, and no cells had 5 or 6 nucleoli.

迄今未能在光学显微镜下观察到Prerocentrum属的涡鞭毛虫有核仁。本文作者用伊红的酒精溶液和用甲基缘—派若宁法染色,也未能在Prerocentrum micans和Proro-centrum cassubica的细胞核中显示出核仁来。但是在用专门为显示单细胞生物的核仁组织者区(NOR)而改进了的Ag—1法进行染色时,这两种涡鞭毛虫的核仁都会被染作鲜明的深褐色或深黑色,而身体的所有其他部份,包括染色体,全都不着色。染色适当时可以看出,实际上只是核仁的中央部分被染上色。在电镜下可见,此时所有的银粒全部是集中在核仁的纤维区中。染色的结果表明,Prorocentrum cassbica只有一个扁园形的小核仁,后者是贴附在核膜上,其NOR通常是作O形或C形。与P.cassubica不同,P.micans的核仁的数量变化很大,可以有一个至七个;其核仁的大小与形状同样也变化很大;其NOR的形状也复杂多变。发现P.micans的核仁数量与个体的生活状况有一定的关联:向老的培养液中加入等量的新的培养液一天以后,具有三个核仁的个体是最多的(占三分之一),具有4—6个核仁的个体占28.5%,只有一个核仁的个体只占8.6%;加...

迄今未能在光学显微镜下观察到Prerocentrum属的涡鞭毛虫有核仁。本文作者用伊红的酒精溶液和用甲基缘—派若宁法染色,也未能在Prerocentrum micans和Proro-centrum cassubica的细胞核中显示出核仁来。但是在用专门为显示单细胞生物的核仁组织者区(NOR)而改进了的Ag—1法进行染色时,这两种涡鞭毛虫的核仁都会被染作鲜明的深褐色或深黑色,而身体的所有其他部份,包括染色体,全都不着色。染色适当时可以看出,实际上只是核仁的中央部分被染上色。在电镜下可见,此时所有的银粒全部是集中在核仁的纤维区中。染色的结果表明,Prorocentrum cassbica只有一个扁园形的小核仁,后者是贴附在核膜上,其NOR通常是作O形或C形。与P.cassubica不同,P.micans的核仁的数量变化很大,可以有一个至七个;其核仁的大小与形状同样也变化很大;其NOR的形状也复杂多变。发现P.micans的核仁数量与个体的生活状况有一定的关联:向老的培养液中加入等量的新的培养液一天以后,具有三个核仁的个体是最多的(占三分之一),具有4—6个核仁的个体占28.5%,只有一个核仁的个体只占8.6%;加入新培养液三天后,具两个核仁的个体变成是最多的(占38.8%),具4—6个核仁的个体降为占18.4%;加入新培养液一个月以后,只有一个核仁的个体是最多的(占3

Since the discovery of the nucleomorph in the chloroplast compartment of Cryptomonads (Greenwood, 1974), studies on the structure and the function of the nucleomorph have been widely carried out. Acorrding to its ultrastructure and exhibition of DNA and RNA, the nucleomorph was suggested to represent a rudimental nucleus of a primitive endosymbiont. Up to now, however, there is no evidence that the nucleomorph contains basic protein and acidic protein which usually presents in a nucleolus. Function of the nuclcomorph...

Since the discovery of the nucleomorph in the chloroplast compartment of Cryptomonads (Greenwood, 1974), studies on the structure and the function of the nucleomorph have been widely carried out. Acorrding to its ultrastructure and exhibition of DNA and RNA, the nucleomorph was suggested to represent a rudimental nucleus of a primitive endosymbiont. Up to now, however, there is no evidence that the nucleomorph contains basic protein and acidic protein which usually presents in a nucleolus. Function of the nuclcomorph is also lefted to be verified.4'-6-diamidino-2-phenylindole (DAPI), Uranyl acetate-EDTA-Lead, AS and Ag-NOR stains were used in our cytochemical studies on the nucleomorph of Cryptomonas zhanjiangis. Results of the studies show that the nucleomorph contains not only DNA (Plate Ⅰ, Fig. 4) and RNA (Plate Ⅱ, Fig. 5), but also basic protein (Plate Ⅱ, Fig. 7) and acidic protein (Plate Ⅱ, Fig. 7, 8) which usually presents in the fibrous area of the nucleolus.The acidic protein illustrated by us indicates that the nucleomorph might be conccrned with the synthesis of pigment, ribosome or outer membranous protein of chloroplast complex of Cryptomonas, or some enzyme in its pyrenoid. We suggest that the nucleomorph, as a constant preserved structure, might preserved more nucleolar components and less components of nuclear matrix in its phylogeny.

隐藻类的核形体,是存在于其质体周腔内的一个特殊细胞器。除DNA和RNA外,核形体是否含有碱性蛋白,有无核仁或核仁结构成份,以及其功能如何,国内外迄今未见报道。我们用4-6-diamidino-2-phenylindole(DAPI)荧光染色法、Uranyl acetate-EDTA-Lead染色法、碳酸氨银染色法(AS)和特异性显示核仁纤维区酸性蛋白的Ag-NOR银染法,分别在光镜和电镜下对湛江隐藻(Cryptomonas zhanjianagis Hu et Li)进行了核形体细胞化学的研究。除证实核形体中DNA、RNA和极少量碱性蛋白存在外,还首次证实了核形体中类似于核仁纤维区的酸性蛋白的存在。我们认为,隐藻的核形体,作为一个恒定的细胞结构和退化的细胞核残迹,在漫长的演化过程中可能较多地保留了核仁部分而较少地保留了其核质部分。其功能可能与隐藻色素复合体中某些蛋白质的合成有关。

By using new silver staining and electromicroscopie examination the ultrastructure of CrD nuclcolar fibrous core was studied. It was shown that nuclcolar fibrous core of intcrphase of CrD appears to be a rope-like structure which was composed of some thin strings. Further studies cofirmed that the rope-like structure had wound up into a ball. An economic, simple and covenient method of reconstruction of three-dimensional ultrastructural was introduced in this paper. This method is applicable and useful for those...

By using new silver staining and electromicroscopie examination the ultrastructure of CrD nuclcolar fibrous core was studied. It was shown that nuclcolar fibrous core of intcrphase of CrD appears to be a rope-like structure which was composed of some thin strings. Further studies cofirmed that the rope-like structure had wound up into a ball. An economic, simple and covenient method of reconstruction of three-dimensional ultrastructural was introduced in this paper. This method is applicable and useful for those biological and medical units where no special image processing devices were available, were equiped only with micro-computer.

用改进的Ag—I法染示核仁纤维区,并用透射电镜进行观察,结果显示分裂间期时莱哈衣藻核仁纤维区为由细线样结构组成的索状结构;用电子计算机对衣藻核仁纤维区的超薄连续切片进行三维重组,其结果进一步显示核仁纤维区的索状结构是扭曲旋转绕成一团的。

 
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