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Taken together , we revealed that maintaining higher CAT and POD activities might be one of the reasons that the disruption of AtWNK8 enhances the tolerance to salt stress , and accumulating more proline and higher activities of CAT and POD might result in the higher tolerance of WNK8 to osmotic stress .
 Chemical: proline
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: proline