查询词典 mutant

In the present study, the sporangia-formation-delayed mutant strain Rhizopus stolonifer F6 was used to obtain mycelium mattress by liquid culture.

本研究利用延缓孢子产生的突变Rhizopus stolonifer F6菌株，经液体培养基培养得到海绵状的菌丝垫。

Under a suitable condition of crystallization, dark brown short rhombohedron crystals could be obtained from FeMoco-deficient MoFe protein (ΔnifE Av1) purified from a nifE deleted mutant DJ35 of Azotobacter vinelandii Lipmann grown in NH3-limited medium.

从限氨固氮培养基中培养棕色固氮菌缺失nifE的突变种DJ35中，分离纯化得到缺失FeMoco的钼铁蛋白(ΔnifE Av1)。在一定条件下结晶得到深棕色短斜四棱柱晶体。

Is a progressive , debilitating , and fatal brain disorder caused by infection with a mutant measles rubeola virus .

又名：亚急性硬化性全脑炎，道森脑炎，是一种由变异麻风病毒引起的致命性脑功能紊乱。

Flies increase sleep both after exposure to an enriched social environment and after protocols that induce long-term memory. We found that flies mutant for rutabaga, period, and blistered were deficient for experience-dependent increases in sleep.

研究人员称，神经学家们认为，形成新的神经元突触是大脑进行记忆和学习的一种重要途径，但由于头颅空间有限等原因，大脑不能无限制地增加神经元突触。

Wong figured the mutated gene might make an ideal target for a vaccine, as it creates an abnormal protein not seen in healthy cells. He hooked up a fragment of the mutant protein to a larger protein from a giant sea snail that looks foreign and can rev up the immune system.

使她第11次决定戒烟的，是一次从美国北部演讲回家时，中途因遇到大雪，滞留时间较长，百无聊赖时，就抽了两支香烟，回家后竟生起病来，喉咙沙哑，发不出声，这下子可把她吓坏了。

Functinal complementation test showed that trehalose-6-phosphate synthase mutant (tps1△), transformed by the open reading frame of SpTPS1 gene, restored growth on the mediam supplemented with glucose as a sole carbon source. This result indicated that trehalose-6-phosphate synthase gene (SpTPS1) of Selaginella pulvinata has biologically activity and is hopful to be applied to transgeneic improvement of plant for abiotic stress tolerance.

酵母功能互补试验证明，用SpTPS1基因开放阅读框转化的海藻糖合成酶基因突变（tps1△）酵母菌株，可恢复在以葡萄糖作为唯一碳源培养基上的生长，说明垫状巻柏海藻糖-6-磷酸合成酶基因SpTPS1具有生物活性，可能应用于植物抗逆性的转基因改良。

For example, an asexual mutant arising in a sexual population occupies a niche frozen to that of its parental genotype because the asexual descendants are genetically self-identical.

。但往往其它条件是不同的，在这种情况下，与产生雄性所固有的双倍代价相比，有性生殖的实现适合度代价要小得多。

Also, the abnormalities of polar growth, septation and actin organization were observed during conidial germination and hyphal elongation of the mutant.

此外，突变株的极性生长、分隔和肌动蛋白细胞骨架的重组都呈现异常。

About 25 per cent of African people carry the mutant gene, but the great majority of these only have Sickle cell trait.

约25 ％的非洲人民进行突变基因，但绝大部份的这些只有镰状细胞性状。

And many mutant plants such as male sterile, large silique, large spike, and leaf color etiolating properties were discovered.

加倍材料自交1代群体（D2代）呈现丰富的农艺性状、育性等方面的变异，出现了雄性不育、大角果、大粒、叶色黄化等很多不同变异类型的植株。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。