(CNN) Jeb Bush's campaign is pouncing Marco Rubio's resume — or lack thereof — in a new, edgy TV ad that features Rick Santorum's now-famous interview and draws a contrast to Bush's record as former Florida governor.

The 60-second ad, "Accomplishments," will start running in New Hampshire on Saturday. It shows the MSNBC "Morning Joe" interview of Santorum, who endorsed Rubio this week, struggling to list anything Rubio has done of significance in the Senate during an interview on Thursday.

On Thursday, New Jersey Gov. Chris Christie's team released an ad also featuring Santorum's interview. Both Christie and Bush have been making the case that Rubio lacks the experience needed to be president, and Bush has especially been trying to compare Rubio to Barack Obama circa 2008.

Rubio defended his legislative record on Thursday, saying Santorum, who just ended his own presidential bid this week, hasn't had time to study up on Rubio's record.

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