Glasgow Warriors' Ryan Wilson has been omitted from Scotland's Six Nations squad by coach Vern Cotter after being charged with grabbing an opponent's testicles.

The loose forward faces a hearing in London on Wednesday after being accused of grabbing Saints scrum half Lee Dickson in the 25th minute of the match at Franklin's Gardens.

If found guilty, Wilson faces a ban running from a minimum of 12 weeks all the way to 208 weeks.

Uncapped props Zander Fagerson and Rory Sutherland have been named in Cotter's 35-man squad.

After finishing with the wooden spoon last year, Cotter has targeted a big improvement in this year's competition.

He said: "We’ve selected a mixture of experience with some exciting young players coming through, some of whom have experienced the Rugby World Cup and are eager to move forward, take the RBS 6 Nations head on and show that we can develop our game and be competitive.

"I think there should be confidence. The guys have worked hard and improved. There are positive signs that we can compete, and this Championship will give us another opportunity to measure ourselves against very good opposition in a tough competition.

"The guys believe that we can compete, dominate and secure victories in these games."

Greig Laidlaw remains as captain with Grant Gilchrist and Henry Prygos invited to train with the squad.