The company said it will use the proceeds for technology development and to expand its global footprint, among other things.
The company will use a portion of the credit facility to fund its announced acquisition of Integrated DNA Technologies.
The company entered an agreement with JP Morgan Chase that provides a five-year unsecured $300 million term loan and a $1.5 billion revolving facility.
The company immediately borrowed $255 million to pay part of the $680 million price tag for Alere's MeterPro cardiovascular and toxicology business and its BNP assay business.
The firm said that it expects to use the proceeds of the senior notes offering to contribute to retirement of remaining convertible notes.
Castle will use the proceeds to accelerate marketing and new product development related to its molecular prognostic tests for patients with underserved cancers.
The infectious disease diagnostics firm will initially receive $40 million from CRG, most of which will go towards paying down existing debt.
The company borrowed $205 million in revolving loans from the credit facility, which matures on December 23, 2021.
The company said it will use the proceeds for various purposes, including working capital, capital expenditures, stock repurchases, dividends, and acquisitions.
The company took out the credit in connection with its $4.2 billion pending acquisition of electron microscopy firm FEI.
The New York City Police Department will be removing DNA profiles from a local database if they are from people who were never convicted of a crime, the New York Times reports.
Science reports that accusations of sexual assault against a microbiome researcher has also led to questions about his academic certifications.
Wired reports that researchers are analyzing the DNA fish leave behind in water to study their populations.
In Science this week: comprehensive cellular map of the human thymus, evidence of admixture between the ancestors of Neanderthals and Denisovan and a 'superarchaic' population.