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plastid inheritance
相关语句
  质体遗传
     THE FORMATION OF THE GENERATIVE CELL AND THE TYPE OF PLASTID INHERITANCE IN PTEROCEITIS TATARINOWII MAXIM
     青檀花粉生殖细胞的形成和质体遗传格式
短句来源
     Plastid Inheritance in Sweet Potato as Revealed by DNA Restriction Fingerprinting
     甘薯质体遗传方式的DNA指纹图谱分析(英文)
短句来源
  “plastid inheritance”译为未确定词的双语例句
     ULTRASTRUCTURAL AND DNA EPIFLUORESCENCE OBSER VATIONS OF THE SPERM CELLS OF RHODODENDRON ——WITH EMPHASIS ON BIPARENTAL PLASTID INHERITANCE
     杜鹃精细胞的超微结构及DNA荧光观察——着重阐明质体双亲遗传的细胞学基础
短句来源
     CYTOLOGICAL BASIS OF PLASTID INHERITANCE IN PHASEOLUS VULGARIS--INVESTIGATIONS OF PLASTIDS, MITOCHONDRIA AND THEIR DNA NUCLEOIDS DURING POLLEN DEVELOPMENT
     菜豆花粉发育中质体和线粒体及其DNA存在的状况——着重阐明质体遗传的细胞学基础
短句来源
     A CYTOLOGICAL STUDY OF PLASTID INHERITANCE IN ANGIOSPERMS
     被子植物质体遗传的细胞学研究
短句来源
     Data of RFLP analysis comparable between L.davidii, L.longiflorum and their interspecific hybrid have also proved the plastid inheritance in L.davidii to be of uniparental maternal transmission.
     兰州百合、麝香百合(L.longiflorumThunb.)及其杂种的RFLP分析,也证明兰州百合质体是单亲母系传递的。
短句来源
     The plastid inheritance in Convolvu-laceae has been briefly reviewed in this study, and the utility of DNA restriction fingerprinting analysis in the study of plastid inheritance is also discussed.
     DNA指纹图谱分析用于质体遗传的研究尚未见报道,本文对其优越性进行了讨论。
短句来源
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  相似匹配句对
     PATERNAL INHERITANCE OF PLASTID DNA IN GENUS PHARBITIS
     牵牛属质体DNA的父系遗传(英文)
短句来源
     A CYTOLOGICAL STUDY OF PLASTID INHERITANCE IN ANGIOSPERMS
     被子植物质体遗传的细胞学研究
短句来源
     Inheritance & Creation
     继承与创新
短句来源
     Inheritance and Reconstruction
     传承与重构
短句来源
     The Plastid Transformation in Higher Plants
     高等植物的质体基因转化
短句来源
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  plastid inheritance
Results reveal strictly maternal plastid inheritance of synthetic wheat amphiploids included in the study.
      
Generative cells of all taxa contained nucleoids, establishing that biparental plastid inheritance is common in theTrifolieae.
      
These data provide cytological evidence for biparental plastid inheritance and maternal mitochondrial inheritance in these species.
      
Previous cytological investigations of generative cells and male gametes have provided no consistent explanation for plastid inheritance patterns among genotypes.
      
Thus cytological evidence convinces the mode of biparental plastid inheritance.
      
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The young microspore of Pteroceltis tatarinowii Maxim. contains a nucleus lo-cated in the center of the cell and cell organelles appear to be randomly distributed. When the nucleus of the microspore takes a position near the cell wall, the plastids are located at the oppsite side of the cell. Here they are aggregated and started to accumulate starch. Distinguished by the fluorescence properties, the wall between generative cell and vegetative cell contains both of callose and cellulose. When the generative cell...

The young microspore of Pteroceltis tatarinowii Maxim. contains a nucleus lo-cated in the center of the cell and cell organelles appear to be randomly distributed. When the nucleus of the microspore takes a position near the cell wall, the plastids are located at the oppsite side of the cell. Here they are aggregated and started to accumulate starch. Distinguished by the fluorescence properties, the wall between generative cell and vegetative cell contains both of callose and cellulose. When the generative cell starts to detach from the pollen wall, the callose disappears but fine fibrillar material can also be observed by electron microscope until the generative cellmoves to the vicinity of the vegetative nucleus. The unequal distribution of plastidsin the developing microspore of pteroceltis leads to exclusion of plastids from thegenerative cell. Therefore, according to the criteria of Hagemann, this genus belongs to the Lycopersicon-type with respect to plastid inheritance. Some unusual phenomena in the developing generative cell are also reported in this paper

利用电子显微镜和荧光显微技术研究了青檀花粉生殖细胞的形成过程及壁的成份.小孢子刚从四分体中释放时,核位于中央,细胞器随机分布.当小孢子核移向边缘时,细胞器特别是质体,呈不均等分布,在核的对面聚集.刚形成的生殖细胞完全被细胞壁包围着,壁的成份是纤维素和胼胝质.生殖细胞形成后不久,胼胝质即消失,而纤维素则部分地保留,一直到游离生殖细胞早期.传粉时的生殖细胞呈蝌蚪状.在生殖细胞中始终没有发现质体.故青檀的质体遗传格式属于番茄型.

Election microscopic and DNA fluorescence microscopic observations of the plastids, mitochondria and their DNA in the developing pollen of Phaseolus vulgaris L. have demonstrated that the male plastids were excluded during microspore mitosis. The formed generative cell was free of plastids because of regional localization of plastids in early developing microspore and the extremely unequal distribution during division. The fluorescence observations of DNA showed that cytoplasmic (plastid and mitochondria) nucleoids...

Election microscopic and DNA fluorescence microscopic observations of the plastids, mitochondria and their DNA in the developing pollen of Phaseolus vulgaris L. have demonstrated that the male plastids were excluded during microspore mitosis. The formed generative cell was free of plastids because of regional localization of plastids in early developing microspore and the extremely unequal distribution during division. The fluorescence observations of DNA showed that cytoplasmic (plastid and mitochondria) nucleoids degenerated and disappeared during the development of mi-crospore/pollen, and were never presented in the generative cell at different development stages. These results provided precise cytological evidence of maternal plastid inheritance in Phaseolus vulgaris , which was not in accord with the biparental plastid inheritance identified from early genetic analysis. Based on authors' previous observations in a variety of common bean that the organelle DNA of male gamete was completely degenerated, the early genetic finding of the biparental plastid inheritance was unlikely to be effected by genotypic difference. Thus those biparental plastid inheritance might be caused by occational male plastid transmission, and plastid uniparental maternal inheritance was the species character of Phaseolus vulgaris.

应用电镜和DNA的DAPI荧光检测技术研究了菜豆(Phaseolus vulgaris L.)小孢子/花粉发育中质体和线粒体及其DNA存在的状况。观察表明:在小孢子分裂时质体全部分配到营养细胞中,初形成的生殖细胞已不含质体。线粒体和质体的DNA在花粉发育中也先后降解,生殖细胞从刚形成时发育至成熟花粉时期这两种细胞器DNA均不存在。研究结果为菜豆质体母系遗传提供了确切的细胞学证据。遗传分析的研究曾确定菜豆质体为双亲遗传,对与本研究结论不同的原因进行了讨论。

The distribution and characteristics of plastids and mitochondria in the generative and sperm cells of Lilium regale Wils. and L.davidii Duch. were described. In L.regale there were few plastids and abundant mitochondria in the newly formed generative cell.When the generative cell became free in the vegetative cytoplasm,the plastids degenerated completely within the generative cell.It was further proved by DAPI fluorescent technique that there was no organell DNA in the generative cell within the mature pollen...

The distribution and characteristics of plastids and mitochondria in the generative and sperm cells of Lilium regale Wils. and L.davidii Duch. were described. In L.regale there were few plastids and abundant mitochondria in the newly formed generative cell.When the generative cell became free in the vegetative cytoplasm,the plastids degenerated completely within the generative cell.It was further proved by DAPI fluorescent technique that there was no organell DNA in the generative cell within the mature pollen grain or the pollen tube.However, distribution of the plastids was strictly polarizable during the division of the microspore in L.davidii, resulting the lack of plastids in the newly formed generative cell.Data of RFLP analysis comparable between L.davidii, L.longiflorum and their interspecific hybrid have also proved the plastid inheritance in L.davidii to be of uniparental maternal transmission.Although the mitochondria were observed both in the generative and sperm cells of L.regale and L.davidii but their DNA was decomposed in the male gametophyte stage. Therefore the mitochondria in the sperm cell could not be transmitted into the offspring. The results provided the detail,cytological evidence that organelles in the microgametophyte are incapable of genetic transmission in the two species of Lilium.

描述了王百合(LiliumregaleWils.)及兰州百合(L.davidiDuch.)质体和线粒体在生殖细胞及精细胞中的分布和细胞质中DNA的状况。在刚形成的王百合的生殖细胞中含有少量的质体和大量的线粒体。当生殖细胞游离在营养细胞质中时,质体在生殖细胞中完全退化消失。DAPI荧光技术进一步证明,在成熟花粉、花粉管中的生殖细胞及其分裂形成的两个精细胞中无任何细胞器DNA。兰州百合在小孢子分裂时质体严格地极性分布,造成了刚形成的生殖细胞中即无质体。兰州百合、麝香百合(L.longiflorumThunb.)及其杂种的RFLP分析,也证明兰州百合质体是单亲母系传递的。虽然在不同发育时期的生殖细胞及精细胞中可以观察到线粒体,但在雄配子体时期它们的DNA已降解,因此雄性线粒体不能被传递至后代。研究结果提供了百合属的这两个种质体和线粒体具母系遗传方式的细胞学证据,并阐明父系细胞质不能作为遗传传递的机理。

 
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