Biomarker is an important tool in the study of marine organic geochemistry. Its development and application makes it possible to elucidate the process and mecha
The new spreading conchospores ot Porphyra yezoensis, P. haitanensis and P. katadai var. hemiphylla are induced by N-Methy-N'-Nitro-N-Nitrosoguanidine (NG),