1126
ES cells in which the gene for the erythroid transcription factor GATA - 1 has been disrupted fail to produce mature erythroid cells either in vivo or in vitro .
 GENE: GATA - 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: GATA - 1