8981
Reverse transcriptase - polymerase chain reaction ( RT - PCR ) was performed using eyestalk complementary DNA of the sand shrimp Metapenaeus ensis .
 Reverse transcriptase, RT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Reverse transcriptase, RT