期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1975
卷号：72
期号：3
页码：1041-1042
DOI：10.1073/pnas.72.3.1041
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：Complementation tests were performed between pairs of independently isolated aggregation defective mutants of P. violaceum. Analysis of the results suggests that the approximate number of genes controlling aggregation in this organism is 50.
