1) natural mutant train
自然突变株系
1.
Study on karyotypes and isozyme of esterase in the natural mutant train——Dayelongcha;
自然突变株系——大叶龙茶核型及酯酶同工酶研究
2) Natural competence-deficient mutant
自然感受态缺陷突变株
3) mutated strains
突变株系
1.
The differences of photosynthesis, agronomic traits and yield traits between mutated strains induced by high hydrostatic pressure and the control (untreated) were compared.
本文研究了高静水压对水稻种子萌发、幼苗生长及处理当代的生理特性的影响,比较了经高压处理诱导的几个突变株系和对照(未经高压处理的品种)在大田生长条件下光合作用、农艺性状和产量性状的差异。
5) spontaneous mutant
自发突变株
1.
In order to gain brewer s yeast strains of low diacetyl yield,sulfometuron methyl(SM)-resistant spontaneous mutants were isolated from brewer s yeast strains kept in our laboratory.
为了获得低产双乙酰的菌株,从保藏的啤酒工业酵母菌种中分离甲磺隆(SM)抗性自发突变株,经低温发酵测定发酵液的发酵度和双乙酰等啤酒风味物质的含量,结果得到ZT21-9-2等5株优良的SM抗性株。
6) Natural variation series
自然变异株
补充资料:自然突变
各种自然条件(如温度、光照、干湿度等)剧烈变化引起的基因突变。突变率很低,在高等生物中为亿分之一至万分之一;在低等生物如细菌中,只有百亿分之一至万分之一。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条