New Jersey ? Mayor Peter Cammarano III resigned Friday, one month after taking office and a week after vowing to fight federal corruption charges against him while remaining on the job.

Cammarano, who won a June runoff election and was sworn in on July 1, was snared last week in a sweeping federal corruption probe that resulted in the arrests of 44 people, including rabbis and public officials.

The 32-year-old — Hoboken’s youngest mayor — sent a letter to the city clerk on Friday saying his resignation was effective at noon. City Council President Dawn Zimmer entered the city council chamber to a standing ovation and was sworn in moments later as the city’s first female acting mayor.

“I apologize to the residents of Hoboken for the disruption and disappointment this case has caused,” Cammarano said in his resignation letter.

Cammarano, an election-law attorney, is accused of accepting $25,000 in bribes in exchange for help on a purported high-rise building project in the city.