CRISPR-Cas 2 CRISPR-cas Zymomonas mobilis 2 Bio-energy 1 Costs 1 DNA 1 DNA repair 1 DNA-repair 1 Editing tools 1 Efficiency 1 Ethanol 1 Ethanol industry 1 Ethanol production 1 Expression cassette 1 Fed-batch fermentation 1 Fermentation 1 Fermentation media 1 Fruit juices 1 Gene deletion 1 Gene encoding 1 Genes 1 Genome editing 1 Joining 1 Low-costs 1 Microhomology-mediated end joining 1 Nitrogen 1 Nitrogen sources 1 Productivity 1 RNA 1 Self-interferences 1