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什么是自然选择?
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits…
选择类型
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural…
频率相关选择
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is…
自然选择的限制
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly…
多拷贝产质粒在抗生素耐药性演变中的作用试验
Multicopy plasmids are extremely abundant in prokaryotes but their role in bacterial evolution remains poorly understood. We recently showed that the…
耐高温溶菌酶的定向进化的一个新的筛选方法
Directed evolution is defined as a method to harness natural selection in order to engineer proteins to acquire particular properties that are not…
鲁棒戊糖发酵酵母的木质纤维素生物转化的演进技术乙醇
Lignocellulosic biomass is an abundant, renewable feedstock useful for production of fuel-grade ethanol and other bio-products. Pretreatment and…

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