Earth is dominated by a myriad of microbial communities,but the majority fails to grow under in situ laboratory conditions.The basic cause of unculturability is that bacteria dominantly occur as biofilms in natural en...Earth is dominated by a myriad of microbial communities,but the majority fails to grow under in situ laboratory conditions.The basic cause of unculturability is that bacteria dominantly occur as biofilms in natural environments.Earlier improvements in the culture techniques are mostly done by optimizing media components.However,with technological advancement particularly in the field of genome sequencing and cell imagining techniques,new tools have become available to understand the ecophysiology of microbial communities.Hence,it becomes easier to mimic environmental conditions in the culture plate.Other methods include co-culturing,emendation of growth factors,and cultivation after physical cell sorting.Most recently,techniques have been proposed for bacterial cultivation by employing genomic data to understand either microbial interactions(network-directed targeted bacterial isolation)or ecosystem engineering(reverse genomics).Hopefully,these techniques may be applied to almost all environmental samples,and help fill the gaps between the cultured and uncultured microbial communities.展开更多
基金This work is supported by the National Natural Science Foundation of China(Nos.91951205 and 31850410475).
文摘Earth is dominated by a myriad of microbial communities,but the majority fails to grow under in situ laboratory conditions.The basic cause of unculturability is that bacteria dominantly occur as biofilms in natural environments.Earlier improvements in the culture techniques are mostly done by optimizing media components.However,with technological advancement particularly in the field of genome sequencing and cell imagining techniques,new tools have become available to understand the ecophysiology of microbial communities.Hence,it becomes easier to mimic environmental conditions in the culture plate.Other methods include co-culturing,emendation of growth factors,and cultivation after physical cell sorting.Most recently,techniques have been proposed for bacterial cultivation by employing genomic data to understand either microbial interactions(network-directed targeted bacterial isolation)or ecosystem engineering(reverse genomics).Hopefully,these techniques may be applied to almost all environmental samples,and help fill the gaps between the cultured and uncultured microbial communities.
