From familiar fungicidal and bactericidal peptides the research scientists produced sequence variations and tested them in vitro on various microbes.

科学家产生了序列变异的抑菌和杀菌肽，并在体外的各种微生物上做了检测。

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Scientists identified 150 DNA sequence variations called single nucleotide polymorphisms among those 100 years old and above that may have contributed to their healthy aging.

科学家们辨认了那些百岁或超过百岁老人的150个不同的有助于健康老龄化的被称作单核甘酸多态性的DNA序列。

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Temperature gradient gel electrophoresis (TGGE) is a new and powerful electrophoresis method for separation of nucleic acids (DNA and RNA) and analysis of sequence variations.

温度梯度凝胶电泳(TGGE)是一种用于检测核酸序列变异和点突变的电泳方法。

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