单子叶植物的

In dicotyledonous and nongraminaceous plants, NAS synthesizes nicotianamine which is responsible for iron storage and transportation, and the expression of NAS gene is not induced by iron deficiency.

在双子叶和非禾本科单子叶植物中，烟酰胺的主要功能是铁离子的储藏和运输，NAS基因的表达不受缺铁胁迫诱导。

Seagrass are endogen plants living in intertidal and subtidal zones develope a series of ecophysiological changes adaptive to submersed sea water environments. This paper reviewed seagrass photosynthesis that is impacted by factors such as light, temperature, inorganic carbon and salinity, of which light and inorganic carbon are the common restriction factors.

生活在潮间带和潮下带海水中的单子叶植物海草，在生理生态方面对海洋沉水环境形成了一系列的适应，其光合作用受到光照、温度、无机碳和盐度等环境因子的影响，其中光照和无机碳常常成为限制因子。

Nicotianamine synthase gene has an important function in the Fe-deficiency response of graminaceous monocots, and it catalyzes substance to nicotianamine which plays an important carrier in the internal transport of Fe(superscript 2+) and other divalent metal ions. Nicotianamine can bind with Fe(superscript 2+) to form Fe(superscript 2+)-NA complex and protect plants from toxicity in acidic soil.

烟酰胺合成酶基因在单子叶禾本科的缺铁胁迫应答反应中起着关键作用，它的催化产物烟酰胺是铁及其他二价金属离子在体内吸收和转运的重要载体，且能与Fe(上标 2+)结合形成Fe(上标 2+)-NA复合物，从而使植物在酸性土壤中免受铁毒害。

A plantlet had been obtained. Histological sections proved that the embryos had a typical histological structure of monocot somatic embryos.

组织学切片证明所诱导的愈伤组织是胚性组织，其所产生的体胚具有典型的单子叶植物体细胞胚的组织结构。

Thirdly, it is possible that Acorus is in an isolated, primitive position among the monocotyledon. The systematic position of Acorus among the angiosperms deserves to be studied deeply.

菖蒲属可能是整个单子叶植物中一个较孤立的、原始的类群，它在整个被子植物中的系统地位，目前尚无定论，还有特深入探讨。

The study in this paper, a Pollen-specific Lysine-rich Protein cDNA, from tomato by RT-PCR was obtained. A plant expression plasmid pBIUB-TSB was constructed and lysgene was under the control of maize ubiquitin promoter which is the highest efficient monocotyledon promoter.

本实验通过RT-PCR从番茄花粉中获得高效特异表达的高赖氨酸基因TSB的cDNA序列，构建其受控于单子叶植物Ubil强启动子下的高效表达质粒pBIUB-TSB。

In this study, a stress induction expression promoter of monocotyledon (P-WCS120) was amplified from wheat genome. The result of sequencing displayed a base substitution mutant of 1 bp and an insertion mutant of 21 bps. This sequence was registered at GENEBANK as a new found sequence, because 3% of the sequence was found to be non-homologous with the original sequence.

本研究从小麦基因组扩增单子叶植物逆境诱导表达启动子P-WCS120，测序证明包括1个碱基的替代突变和21个碱基的插入突变，与原序列有3%的非同源性，被GENBANK认定为新发现序列，现已登记注册。

In order to evaluate the effect of over-expressed Mn-superoxide dismutase gene on antioxydation in maize, expression vector with Mnsod gene from wheat was constructed for monocotyledonous plant and used to transform calli of elite maize inbred line by microprojectile bombardment.

为研究过量表达的超氧化物歧化酶基因对提高玉米抗氧化损伤的作用，本研究构建了小麦来源Mnsod基因的单子叶植物表达载体，用基因枪法转化用优良玉米自交系诱导的胚性愈伤组织。

Seagrasses are monocotyledonous species that are adapted to live and reproduce entirely in the marine environments, where they suffer from a variety of disturbances, such as tides, hurricanes. To adapt to these environments, seagrasses have evolved a series of characteristics, among which strong clonality is a prominent one.

海草是适应在海洋环境中生存和繁殖的单子叶植物，由于所处环境常存在潮汐、风暴等的干扰，海草形成了一系列适应特征，克隆性是其中突出的一个。

One of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of mostly terrestrial herbs especially of moist places including: Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae.

单子叶植物纲的四个亚纲或总目之一；包含25个属中19，000个种类的大部分尤其是生长于潮湿地方的陆生草类；莎草科；禾本科。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。