6616
Rad6 mutants display a remarkably pleiotropic phenotype , implicating the protein in DNA damage - induced mutagenesis , postreplication repair , repression of retrotransposition , and sporulation .
 Rad6 mutants
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Rad6 mutants