PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22280966-3 2012 In order to enhance the freeze tolerance of yeast cells, we constructed a self-cloning diploid baker"s yeast strain with simultaneous accumulation of proline, by expressing the PRO1-I150T allele, encoding the proline-feedback inhibition-less sensitive gamma-glutamyl kinase, and trehalose, by disrupting the NTH1 gene, encoding neutral trehalase. Trehalose 279-288 glutamate 5-kinase Saccharomyces cerevisiae S288C 177-181