叶状体

叶状体生长快速，60cm长的藻体日平均生长量高达（11.95±2.33）cm；

The thallus grew quickly , average daily growth rate reached ( 11.95 ± 2.33 ) cm after blade length was over 60 cm .

通过单克隆的培养，初步筛选出1个抗逆性较强、生长速度较快的新品系D，该品系1m以上长度的叶状体平均生长速度为9.4cm/d，快的可达11.5cm/d。

After monoclone culture and primary selection , a resistant variety D which grew rapidly was found in the experiment . After the thallus length of variety D reached at 1m , its growth rate is 9.4cm / d , and the fastest growth rate can reach 11.5cm/d .

GUS基因在坛紫菜叶状体体细胞内的瞬时表达；

GUS gene transient expression within the P. haitanensis thallus somatic cells ;

成熟条斑紫菜叶状体酶解后获得单细胞，分别培养于添加了不同浓度N，P营养盐的0.5%和1.0%的琼胶培养基上，观察细胞的分化发育情况。

Cells enzymatically isolated from mature thalli of Porphyra yezoensis were cultured on 0.5 % and 1.0 % agar media , which were enriched with different concentrations of nitrogen and phosphorus respectively .

用强诱变剂N-甲基-N-硝基-N-亚硝基胍（NG）处理条斑紫菜和坛紫菜的幼嫩叶状体，进行色素突变体诱导。

: The young thalli of Porphyra yezoensis and P. haitanensis are induced by N-Methy-N-Nitro-N-Nitrosoguanidine ( NG ), a strong mutagen to induce the mutant of chromatophore .

利用细胞质抗坏血酸过氧化物酶（APX）基因部分片段为探针，从条斑紫菜（Porhyrayezoensis）叶状体的cDNA文库中筛选出1种新型的编码APX的全长cDNA克隆。

Screening of a cDNA library from Porphyra yezoensis with probe based upon cytosolic ascorbate peroxidase ( APX , EC 1.11.1.11 ) genes identified a full-length clone apparently encoding a novel type of ascorbate peroxidase .

本文报道了坛紫菜叶状体经60Coγ射线辐照后，用酶解方法获得离体细胞，观察了体细胞的分裂分化及进行单克隆培养叶状体。

This article reports the study of cleavage and differentiation and monoclone culture of the somatic cells which were enzymic-degraded from thallus of Porphyra haitanensis after inducing mutation by () ~ ( 60 ) Co - γ ray irradiation .

15～20d时，成簇突起形成幼叶丛，一些幼叶和叶状体的近轴面的基部出现叶腋分生组织。

By 15 ~ 20 d , a cluster of young leaves and leaf-like organs formed and several axillary meristems initiated at the base of the adaxial side of these young leaves .

电镜观察发现，经过UV-B辐射处理20天，紫萍叶状体叶肉细胞的膜结构受到破坏，可能膜脂过氧化和活性氧自由基起了重要作用。

The electrolyte leakage from the duckweed 's cell increased by enhanced UV-B radiation with the increasing time of treatment . Perhaps lipid peroxidation is one of the causes of membrane damage , and reactive oxygen species ( ROS ) were involved in the process .

在4℃条件下，采用CaCl2溶液浸泡褐藻裙带菜（Undariapinnatifida）的叶状体，观察CaCl2溶液的浓度和浸泡时间对裙带菜叶绿体提取率及其荧光特性的影响。

Thalli from a brown alga Undaria pinnatifida were soaked by CaCl 2 solution with different concentration and time at 4 ℃, the effect of CaCl 2 solution on efficiency and influorescence emission spectra of chloroplasts were examined .

培养30d后，叶状体的生长情况如下：在100%天然海水中培养的坛紫菜叶状体生长最快，其它组的生长快慢依次为：含20%>40%>60%>80%的海水晶人工海水组。

After 30 days of culture , the growth of the blades was the fastest in 100 % natural seawater , and the growth speed in the others was 20 % > 40 % > 60 % > 80 % of seawater crystal , respectively .

单性生殖动物的进化海带雄配子体单性生殖叶状体的特性

Properties of Monogenetic Thalli From Male Gametophytes of Laminaria japonica Aresch

条斑紫菜叶状体细胞的发育与分化

Development and differentiation of gametophytic blade cells in Porphyra yezoensis Ueda

凝胶电泳法研究紫萍半叶状体衰老期间的内肽酶同工酶

Endopeptidase Isozymes in Spirodela polyrrhiza Half-fronds during Senescence by Electrophoresis

营养盐浓度对坛紫菜叶状体生长的影响

Effect of nutrition concentration on growth of gametophytic blades in Porphyra haitanensis

连云港条斑紫菜叶状体的细胞发育特性研究

Study on the Cell Growth Characteristic of Porphyra yezoensis Thallus in Lianyungang

薄壁曲梁振动分析的样条有限杆元法线形薄壁组织叶状体

The spline finite member element method in vibration analysis of thin-walled curved beams

它连续地建成一系列叶状体。

It successively builds a sequence of lobes .

这是一种在藻类和真菌中常见的现象，每一个叶状体具有自交亲和性。

Homothallism A condition found in some algae and fungi in which each thallus is self-compatible .

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 .

自由飘浮的叶状体植物科。在某个水体的表面上飘浮着。

Family of small free-floating thalloid plants . afloat on the surface of a body of water .

锌离子（Zn~（2+））对坛紫菜叶状体光合色素含量的影响

Effects of Zn ~ ( 2 + ) on the Photosynthetic Pigment Content of Porphyra haitanensis Thalli

~（60）Co-γ射线辐照坛紫菜叶状体及单克隆培养的研究

Study of ~ ( 60 ) Co - γ irradiation and monoclone culture in thallus of Porphyra haitanensis

坛紫菜体细胞单克隆叶状体途径及海上养殖

Cultivation of Porphyra haitanensis of pure lineage : thallus formation using somatic cell cloning approach and field mariculture

石莼科的模式属；绿色海藻具有两个细胞厚度的叶状体；海莴苣。

Type genus of the family Ulvaceae ; green seaweed having a thallus two cells thick : sea lettuce .

纵分裂分为切向分裂与径向分裂，切向分裂增加管状叶状体管周细胞数从而使管体增大，径向分裂形成管外壁突起细胞，最终发育为分枝；

Vertical-division included tangential-division and radial-division , tangential-division made the pipelike thallus more thick , and radial-division made the branch formed .

一种石莼属的绿色海藻，有膜状叶形的不规则的叶状体，经常用在沙拉中。

Any of several green algae of the genus Ulva , having a membranous leaflike , irregularly shaped thallus sometimes used in salads .

任何种类的隐花有机体，主要由叶状体组成，根茎叶无区别。

Any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf .

采用不同浓度Zn2+处理坛紫菜叶状体，用紫外分光光度法，测定了光合色素的含量。

Porphyra haitanensis thalli were treated with Zn ~ ( 2 + ) at different concentrations , with its photosynthetic pigment content determined by ultraviolet spectrophotometry .

例如含羞草（羞草属）当它的1个小叶被触碰时，叶状体逐渐皱缩，有时遍及整个植株。

An example is the sensitive plant ( Mimosapudica ), whose leaflets progressively collapse , sometimes throughout the whole plant , once one leaflet is touched .