动物学研究2007,Vol.28Issue(1):68-72,5.
萼花臂尾轮虫多态性及形态型转化
Polymorphism and Morphotype Transformations in the Rotifer (Brachionus calyciflorus)
摘要
Abstract
The relationship of three Brachionus calyciflorus morphotypes (two short-spined, single-spined and spineless ones) was studied in the laboratory. Newly hatched females of each morphotype were cultured individually in an inorganic or Asplanchna-conditioned mediums, and the morphotype of their offspring were checked at 200× magnification. Females of each morphotype, cultured in the inorganic medium, could produce offspring of these three morphotypes in a single generation. Females of all three morphotyes could respond to specific Asplanchna-substances when they were cultured in Asplanchna-conditioned medium. Moreover, we observed that these three morphotype females could coexist in the medium and had three types of egg-bearing females. Based on the above observations we suggest that B. calyciflorus was a morphotype complex and has three basic morphotypes.关键词
萼花臂尾轮虫/形态型/多态性/侧棘刺Key words
Brachionus calyciflorus/Morphotype/Polymorphism/Posterolateral spine分类
生物科学引用本文复制引用
殷旭旺,牛翠娟..萼花臂尾轮虫多态性及形态型转化[J].动物学研究,2007,28(1):68-72,5.基金项目
国家自然科学基金(30470309)This study was supported by the National Natural Science Foundation of China (30470309) (30470309)