Ulcerative colitis(UC) is a lifelong illness with profound emotional and social impacts, and could cause serious damage to large intestine, especially in colon.
Ammonia oxidation, the first and rate-limiting step of nitrification, is carried out by both ammonia-oxidizing bacteria(AOB) and ammonia-oxidizing archaea(AOA).
Twelve fluorescence-labeled microsatellite markers were used to analyze the genetic diversity of 12 domestic duck breeds and 2 wild duck breeds to determine the
A novel insecticidal gene cry1Ah was cloned from Bacillus thuringiensis isolate BT8 previously for plant genetic engineering improvement. Truncated active Cry1A