San Francisco biotech firm Linkage Biosciences announced that it raised $2 million in first-round funding to commercialize its first product, a system for organ transplant typing. The company developed it with $1 million in seed funding raised in October 2007 but has yet to set a launch date.

The recent round came from Greenhouse Capital Partners and James Fisher of Fisher Capital (a firm that works with Kohlberg Kravis Roberts). Linkage has several other diagnostic products for genetic diseases in the works.