On-the-range detection technology could corral bovine TB

A research breakthrough allowing the first direct, empirical, blood-based, cow-side test for diagnosing bovine tuberculosis (TB) could spare ranchers and the agriculture industry from costly quarantines and the mass slaughter of animals infected with this easily spread disease.
Infection of humans with M. tuberculosis can be recognized in blood by a biomarker called lipoaribinomannan (LAM), but it has been difficult to detect because LAM is a lipid, a greasy molecule that doesn't blend with the watery blood and so eludes regular testing techniques.
In cattle, the TB infection M. bovis secretes a similar biomarker to lipoaribinomannan called lipomannan (LM). The team adapted the human assay to target LM, thereby suggesting the possibility of a molecular cow-side test for bovine TB.
Source : www.sciencedaily.com      2017/4/30 10:40

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