Molybdenum is the only second-row transition metal required by most living organisms, and
is nearly universally distributed in biology. Enzymes containing molybdenum in their active …

Highlights•Many studies on plant nitrogen report only the total amounts of the
element.•Nitrate is a major nitrogen source for higher plants.•Elevated CO 2 inhibits nitrate …

Present-day knowledge on the regulatory biology of denitrification is based on studies of
selected model organisms. These show large variations in their potential contribution to …

C 3 carbon fixation has a bad reputation, primarily because it is associated with
photorespiration, a biochemical pathway thought to waste a substantial amount of the …

Suspended particulate matter (SPM) contributes to the loss of reactive nitrogen (Nr) in
estuarine ecosystems. Although denitrification and anaerobic ammonium oxidation in SPM …

The effects of microplastics (MPs) from agricultural plastic films on soil nitrogen
transformation, especially denitrification, are still obscure. Here, using a robotized flow …

The useful applications of plastics are as significant as the problems associated with their
disposal. Current waste management strategies are ineffective at preventing the flow of …

Background Nitrogen sources play an essential role in maintaining the physiological and
biochemical activity of bacteria. Nitrogen metabolism, which is the core of microorganism …

Land use change in the Amazon rainforest alters the taxonomic structure of soil microbial
communities, but whether it alters their functional gene composition is unknown. We used …

A safe, effective and simple method for ammonia nitrogen and nitrite removal in farming
water has always been a goal of environmentally friendly farming models aimed at water …