是不是所有的美国ATCC菌种都有证书？

对啊，所有的美国ATCC菌种都是有证书的。你在哪买的啊？是不是被坑了？如果有需要可以去中国微生物菌种查询网上看看，哪里都是美国原装进口的，都有证书。
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Saccharomyces cerevisiae Meyen ex E.C. Hansen 拉丁名
(ATCC® 56287™) 统一编号
Deposited As Saccharomyces cerevisiae Hansen, teleomorph
Classification Saccharomycetes, Saccharomycetidae, Saccharomycetales, Saccharomycetaceae, Saccharomycetaceae,Saccharomyces, cerevisiae
Strain Designations 别名 C287a/alpha [J. Schwencke LBGH 1022]
Alternate State Candida robusta Diddens et Lodder
Biosafety Level 生物安全等级 1
Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Product Format 提供形式 freeze-dried
Type Strain 模式菌株 no
Preceptrol® no
Comments 注释 rehalase metabolism
Medium 培养基 ATCC® Medium 200: YM agar or YM broth
Growth Conditions 生长条件
Temperature 培养温度 : 30.0°C
Name of Depositor 寄存者 A Weimken
Chain of Custody 来源国家 ATCC <<--A Weimken<<--J. Pringle
References 参考文献 Wiemken A, Schellenberg M. Does a cyclic AMP-dependent phosphorylation initiate the transfer of trehalase from the cytosol into the vacuoles in Saccharomyces cerevisiae?. FEBS Lett. 150: 329-331, 1982. PubMed: 6297979