丝状体

sī zhuànɡ tǐ
  • filament;protonema
丝状体丝状体
  1. ISSR标记在坛紫菜不同色泽丝状体种质鉴定中的应用

    Application of ISSR markers in germplasm identification of different color 's Porphyra haitanensis filament strains

  2. 该藻是由数十乃至数百、甚至几千个细胞组成的丝状体。

    It is filament that formed by cells from dozens to hundreds , even to thousands in number .

  3. 紫菜丝状体DNA的提取

    DNA extraction from Porphyra conchocelis

  4. 紫菜自由丝状体SCAR标记的获得

    Freedom Obtaining of SCAR Markers for Germplasm Identification of Porphyra Lines

  5. 海带(LaminariaJaponica)丝状体遗传多样性的比较研究

    Comparison of genetic diversity in Laminaria japonica gametophytes

  6. 二氧化锗(GeO2)对条斑紫菜(PorphyraYezoensisUeda)自由丝状体(FreeFilamentous)中硅藻污染影响的研究

    Effect of GeO_2 on Diatom Pollution in the Free Filamentous of Porphyra yezoensis Ueda

  7. 条斑紫菜Porphyrayezoensis游离丝状体生态的研究

    Studies on the ecology of the free conchocelis of Porphyra yezoensis

  8. 四种紫菜自由丝状体遗传多样性的同工酶和ISSR研究

    Study on the Genetic Diversity of Four Species Free-Living Conchocelis of Porphyra with Isozyme and ISSR-PCR

  9. 用λ噬菌体载体构建了条斑紫菜Porphyrayezoensis丝状体cDNA表达文库,并对文库进行了随机测序,对随机测序形成的719条表达序列标签(EST)序列进行了初步分析。

    A laver Porphyra yezoensis sporophyte cDNA expression library has been constructed with λ phage vector and was randomly sequenced .

  10. 当延长培养时间至72h以上或提高培养温度至37℃,则丝状体开始逐渐断裂形成正常的短杆状菌体,并出现绿脓色素。

    The filaments will divide and form short rods , simultaneously , produce pyocyanin when culture time is prolonged to over 72h or culture temperature is raised to 37 ℃ .

  11. 本研究以条斑紫菜丝状体为材料,分析了重金属离子(Cu2+和Cd2+)胁迫对其叶绿素a含量、过氧化物酶(POD)活性以及可溶性蛋白含量的影响。

    In this study , the conchocelis of P. yezoensis is taken as experiment material to investigate the effects of heavy metal ( Cu2 + and Cd2 + ) on the contents of chlorophyll a , peroxidase ( POD ) activity and the soluble protein contents .

  12. 100Gy、200Gy的低辐照剂量对丝状体生长和存活的影响较小。

    Low irradiation doses ( 100Gy and 200Gy ) had less effect on the growth of conchocelis .

  13. 温度是诱导自由丝状体发育的重要因素。

    That temperature is an important factor to inducing free-living conchocelis ;

  14. 坛紫菜丝状体生产性培育技术的研究

    A Study on the Techniques of Commercial Breeding of Porphyra Haitanensis Filaments

  15. 纤维组织构成结缔组织的细胞外基质的丝状体之一。

    Any of the filaments constituting the extracellular matrix of connective tissue .

  16. 坛紫菜单个体细胞克隆的丝状体途径

    Morphogeny of conchocelis thalli from single somatic cell clone cultivation of Porphyra haitanensis

  17. 丝状体2&8细胞,单列。

    The germ filaments develop 2-8 cells , uniseriate .

  18. γ-射线对不同品系和形态螺旋藻丝状体的生物学效应

    The effect of γ irradiation on different strain and morphological filaments of Spirulina

  19. 丝状体5-10细胞时开始发育为片状体。

    Prothallial plates begin to form when the filaments develop up to 5-10 cells .

  20. 从主羽轴突出的平行丝状体中的一缕。

    One of the parallel filaments projecting from the main shaft of a feather .

  21. 产生的少量果孢子细胞能发育成丝状体。

    Conchocelis could be found from few carpospores .

  22. 具衣鞘,细胞包在鞘里,丝状体很长,但无分枝;

    It has sheath that cells in it , the hypha is vare long but no divaricahon ;

  23. 丝状体顶端以下细胞通过纵分裂形成管状叶状体,顶端细胞始终保持横分裂;

    Pipelike thallus was formed by vertical-division of the middle protonema cells , and top-cell kept horizontal-division .

  24. 通过酶法分离突变体的营养细胞,单性生殖获得丝状体;

    Nutrient cells were obtained from these pigment mutants by enzymatic method and conchocelis were got by parthenogenesis .

  25. 坛紫菜自由丝状体的γ射线辐照及培养的研究

    Study on ~ ( 60 ) Co - γ rays irradiation and culture of free-living conchocelis of Porphyra haitanensis

  26. 海水比重对条斑紫菜丝状体放散壳孢子和壳孢子附着的影响

    The influence of specific gravity of sea water on the discharge and adherence of conchospores of Porphyra yezoensis Veda

  27. 多数配子体发育无明显的丝状体阶段,而直接进入片状体阶段,这种发育方式在高密度的培养条件下更占优势;

    Most of the individuals developed into prothallial plate stage directly without the development of filament stage even in crowned cultures ;

  28. 此病的早期症状是出现浅红棕色的色斑;最终得病的丝状体变成黄白色。

    An early symptom of the disease is tiny reddish brown spots ; the color of diseased conchocelis finally turned yellowish-white .

  29. 雄性营养组织和营养细胞以产生精子为主,但不能再分化成丝状体;

    However , in male vegetative tissue and cells , many sperms were observed and they could not develop into conchocelis .

  30. 报导了坛紫菜果孢子采苗、丝状体培育、光照调节、促熟措施、壳孢子采苗等方面的技术和经验。

    The techniques about carpospore collection , cultivation of protonema , regulation of illumination , measure of induced mature were reported in the paper .