For exploiting resistant germplasm, so-maclonal variants were selected from adventitious buds by means of in vitro selection using Fusaric Acid(FA) as the selective agent.

为了创新节瓜抗枯萎病资源，利用枯萎病毒素镰刀菌酸（FA）为胁迫剂，以节瓜不定芽为筛选材料，进行了节瓜抗镰刀菌酸变异体离体筛选研究。

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Its catalytic repertoire expanded by modification and in-vitro-selection of nucleic acid libraries endows ribozymes a great potential as gene therapeutic agents and nucleic acid probes.

对天然核酶的改造和人工核酶的筛选使核酶的催化反应谱得到了扩展，也为核酶作为基因治疗药物和核酸探针提供了多种选择。

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Because egg freezing requires the use of in vitro fertilization for future pregnancies, its widespread adoption would also likely increase the use of preimplantation sex selection and genetic diagnosis, practices which pose a range of ethical dilemmas.

WSJ: The Ethics of Egg Freezing