Compared to bacteria, our knowledge of archaeal biology is limited. Historically,
microbiologists have mostly relied on culturing and single-gene diversity surveys to …

The discovery of ammonia-oxidizing archaea (AOA), now generally recognized to exert
primary control over ammonia oxidation in terrestrial, marine, and geothermal habitats …

Nitrification, the oxidation of ammonia via nitrite to nitrate, has always been considered to be
a two-step process catalysed by chemolithoautotrophic microorganisms oxidizing either …

Reducing tillage and growing cover crops, widely recommended practices for boosting soil
health, have major impacts on soil communities. Surprisingly little is known about their …

The microbial biodiversity found in different vitivinicultural regions is an important
determinant of wine terroir. It should be studied and preserved, although it may, in the future …

Archaea, primarily Crenarchaeota, are common in soil; however, the structure of soil
archaeal communities and the factors regulating their diversity and abundance remain …

Genes of archaea encoding homologues of ammonia monooxygenases have been found
on a widespread basis and in large amounts in almost all terrestrial and marine …

Nitrification, the microbial oxidation of ammonia to nitrite and nitrate, occurs in a wide variety
of environments and plays a central role in the global nitrogen cycle. Catalyzed by the …

Ammonia oxidation is the first step in nitrification, a key process in the global nitrogen cycle
that results in the formation of nitrate through microbial activity,. The increase in nitrate …

Ammonia oxidation carried out by ammonia-oxidizing microorganisms (AOMs) is a central
step in the global nitrogen cycle. Aerobic AOMs comprise conventional ammonia-oxidizing …