Bacterial systematists face unique challenges when trying to identify ecologically meaningful
units of biological diversity. Whereas plant and animal systematists are guided by a theory …

This chapter briefly summarizes the most important differences in genetic exchange. In
bacteria, genetic exchange is unidirectional, where a usually small chromosomal segment …

Publisher Summary This chapter discusses bacterial species. There is always a question
whether bacteria exists. Bacterial systematists have argued about whether the species they …

A Bioinformática abrange representação, armazenamento, recuperação e análise de dados
biológicos relativos a seqüências, estruturas, funções, níveis de atividade e interações entre …