Treviso climbed off the foot of the Guinness PRO12 table by defeating Edinburgh 21-6 at the Stadio Comunale di Monigo.
Scotland and Edinburgh second-row Grant Gilchrist has penned a new two-year contract, the club confirmed on Thursday.
Reigning Guinness PRO12 champions Connacht bounced back from their shock defeat to Zebre by holding off Edinburgh to win 22-19.
Team news ahead of Friday's Guinness PRO12 action as Ulster take on Cardiff and Connacht travel to Edinburgh.
Edinburgh failed to recover from a horror start to their quarter-final as La Rochelle triumphed 32-22 at Murrayfield.
Dewi Morris believes La Rochelle will stretch their unbeaten run to 13 when they take on Edinburgh in the Challenge Cup.
Rhys Patchell scored 16 points, including two tries, as Scarlets registered a 26-10 bonus-point victory over Edinburgh.
Scotland international tighthead prop Willem Nel has penned a new three-year deal with Edinburgh.
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