本文构建了用于双歧杆菌基因组编辑的 CRISPR-Cas9 胞嘧啶碱基编辑器系统（cBEST），为研究和应用开辟新途径。 一、研究背景 在人体肠道微生物群落的大舞台上，双歧杆菌（Bifidobacterium）作为益生菌界的 “明星成员”，凭借其调节免疫反应、增强癌症免疫治疗 ...

This story was updated to include the 2019-20 passing rates for both the CBEST and CSET. California’s newly approved state budget allows teacher candidates to skip two of the tests that had been ...

California teaching credential candidates are required by law to verify their subject matter knowledge and competencies and are provided two alternative paths for fulfilling this requirement. One way ...