12201
These analyses re - open the question whether all the CesA genes encode cellulose synthases or whether some of the sub - class members may encode other non - cellulosic ( 1 - - > 4 ) beta - glycan synthases in plants .
 CesA genes, cellulose synthases, non - cellulosic ( 1 - - > 4 ) beta - glycan synthases
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 CesA genes, cellulose synthases, non - cellulosic ( 1 - - > 4 ) beta - glycan synthases