MAZDA U CODE

My Daughter's Car Started High Revving Going From 3rd To 4th Gear. Had A Mechanic Look At It And It Ran These Codes: P0455, P0772...

I Have A 1995 Mazda Protege Dx. Its Got The 1.5 Liter With A 5 Speed. The Check Engine Came On And It Has 3 Codes #1 Says:p0135 O2. #2 Says...

Need To Know What It Means?