# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/ui5iu3a
BREX system's unique DNA recognition mechanism enhances bacterial antiviral defense
Bacteriophages, the most abundant life form on Earth, infect bacterial cells and influence the structure of the microbial community. To fend off phage attacks, bacteria have evolved their own defense tools, including the most common restriction-modification (R-M) and CRISPR-Cas systems. ⌘ Read more