研究中通过表面基团屏蔽探索耐辐射奇球菌表面氨基对钙锶生物矿化及其自组装过程的影响.结果表明:(1)在Deinococcus Radiodurans作用下,体系倾向于形成文石晶型;(2)屏蔽氨基后,氨基对方解石晶体的抑制作用消失,[Ca2+]高时诱导晶体从文石转变为方解石,[Sr2+]高时诱导晶体产生空壳结构;(3)在D.Radiodurans作用下,文石晶体的生长属于经典的棒-哑铃-球自组装模型;屏蔽氨基后,文石晶体的生长为球壳和哑铃空壳的空壳自组装过程.综上所述,耐辐射奇球菌表面氨基能促进晶型的转换,控制晶体的自组装.本研究结果可为阐释微生物诱导生物矿化自组装过程提供参考.
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