菌株

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

天然株虾青素产量较少，缺少实用价值。

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

进一步比较研究株PHB解聚酶和3羟基丁酸脱氢酶活性。

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

降解物阻遏是株控制其产酶量主要调节机制。

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

应用驯化方式以MTBE为惟一碳源,在好氧条件下,驯化、筛选出高效降解混株,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14株。

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

免疫罗非鱼，对源和异源株保护率为16.

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

大部分野生和栽培双孢蘑菇株和品具有次级宗配性特征,也有少数野生株属于异宗配类型。

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

毁灭柱孢是一寄主范围很窄植物病原，对植物病原真有突出拮抗效果，表明D-5是一株具有生防应用潜力株。

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

一株对寄主品致病力也存在较大差异。

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%).

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