SAN JOSE, Calif. (AP) — The San Jose Mercury News laid off 15 newsroom staffers Friday and lost five other editors through buyouts this week, shaving the editorial staff by about 10 percent, according to the newspaper.

The layoffs, buyouts and five other recent resignations leave the Mercury News with 175 editorial staffers, according to David Butler, the Mercury News' editor and vice president of news of the paper's corporate owner.

The newsroom reduction represents the fourth round of cuts since Denver-based MediaNews Group Inc. took ownership of the paper in 2006. At the height of the dot-com peak in 2000, the paper boasted a newsroom staff of about 400.

"We're getting so numb to these cuts," said Sylvia Ulloa, president of the San Jose Newspaper Guild. "It hurts and it's bad emotionally, but to be quite honest I don't think this is the last of the cuts this paper is willing to make."

Mercury News president Mac Tully said the cuts are "difficult and painful, but necessary," adding that they were based on decisions made locally, not by corporate headquarters. He said he believes that no further cuts are imminent.