菌株

Several mutants of Phaffia rhodozyma were obtained by exerting mutagen N-methyl-N-nitro-N-nitrosoguanidine.

天然虾青素产量较少，缺少实用价值。

Catabolite repression is considered as a main factor controlling yield of cellulases.

降解物阻遏是控制其产酶量的主要调节机制。

Intracellular PHB depolymerase and 3 hydroxybutyrate dehydrogenase catalyze the initial reactions of intracellular PHB catabolism.

进步比较研究了不同的PHB解聚酶和3羟基丁酸脱氢酶的活性。

When the immuned tilapia challenged with the homotype and heterotye bacteria, the protection rates were both 16.7%.

免疫罗非鱼，对同和异的保护率为16.

Mixed culture of MTBE degrader was successfully isolated under aerobic condition using different acclimation patterns.

应用不同的驯化方式以MTBE为惟碳,在好氧的条件下,驯化、筛选出高效降解混合,为现场应用打好基础。

Effects of single strain cultivation and co cultivation of strains on biodegradation of valonia tannin were investigated.

以橡单宁为原料,通过培养、分离筛选出了14种。

Most of the wild and cultivated strains are secondarily homothallic mating type in life-cycle, but some wild strains are heterothallic.

大部分野生和栽培的双孢蘑菇和品种具有次级同宗配合的性特征,也有少数野生属于异宗配合的类型。

There was also obvious difference in pathogenicity even if different hosts were inoculated by the same spore isolates of Venturia inaequalis.

同对不同寄主品种的致病力也存在较大差异。

Known as a phytopathogen with several host plants, Cylindrocarpon destructans as a bio-control agent was the first reported in this dissertation.

毁灭柱孢是种寄主范围很窄的植物病原，对不同植物病原真有突出的拮抗效果，表明D-5是具有生防应用潜力的。

The bacterium infection strain first place is the verdigris pseudomonad (31.2%), next is pneumonia gram Reber fungus (25.6%) and the epidermis staphylococcus (18.4%).

结果细感染首位是铜绿假单胞(31.2%)，其次是肺炎克雷伯(25.6%)和表皮葡萄球(18.4%)。