Institute of OceanographyChinese Academy of Sciences;
Qingdao 266071;
Life Sciences CollegeSuzhou University;
Suzhou 215006;
Marine Life Sciences CollegeQingdao Ocean University;
Qingdao 266003;
Jiangsu Institute of Marine Fisheries;
Nantong 226007;
Porphyra; Mutant; of; chromatophore; conchospore; N-Methy-N'-Nitro-NNitrosoguanidine; (NG); Inducement;