4 aminobutyric acid 30 GABA Plasma Membrane Transport Proteins Saccharomyces cerevisiae 30 Saccharomyces cerevisiae Proteins 30 article 28 Gene Expression Regulation, Fungal 22 gamma-Aminobutyric Acid 22 nonhuman 20 Transcription Factors 18 aminolevulinic acid 18 Organic Anion Transporters 16 gene expression regulation 16 priority journal 16 transcription factor 16 Aminolevulinic Acid 14 controlled study 14 promoter region 14 4 aminobutyric acid carrier 12 Membrane Transport Proteins 12 Saccharomyces cerevisiae protein 12 UGA4 protein, S cerevisiae 12 metabolism 12 permease 12 transcription regulation 12 unclassified drug 12 DNA-Binding Proteins 10 Mutation 10 Promoter Regions (Genetics) 10 Carbon 8 Culture Media 8