63186
Comparisons with their closest free living cyanobacteria of the genus " Synechococcus " ( having a genome size 3 Mb , with 3300 genes ) revealed that chromatophores underwent a drastic genome shrinkage .
 location: Synechococcus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Synechococcus 
Answer:
 location: Synechococcus