Results 1 to 10 of about 76,623 (339)
Osmoadaptation in Archaea [PDF]
The ability to adapt to fluctuations in external osmotic pressure (osmoadaptation) and the development of specific mechanisms to achieve this (osmoregulation) are fundamental to the survival of cells ([6][1], [16][2], [67][3], [73][4], [76][5]).
Deana D. Martin+2 more
openalex +4 more sources
Osmoadaptation and osmoregulation in archaea [PDF]
The response of archaea to changes in external NaCl is reviewed and compared to what is known about osmoadaptation and osmoregulation in bacteria and eukaryotes. Cells placed in altered external NaCl exhibit short term and long term responses. The earliest events are likely to be water movement through aquaporin-like channels (efflux if external NaCl ...
F. Roberts Mary
openalex +4 more sources
A Synthetic Riboswitch to Regulate Haloarchaeal Gene Expression
In recent years, synthetic riboswitches have become increasingly important to construct genetic circuits in all three domains of life. In bacteria, synthetic translational riboswitches are often employed that modulate gene expression by masking the Shine-
Johannes Born+4 more
doaj +1 more source
A headline on the front page of the New York Times for November 3, 1977, read "Scientists Discover a Way of Life That Predates Higher Organisms". The accompanying article described a spectacular claim by Carl Woese and George Fox to have discovered a third form of life, a new 'domain' that we now call Archaea.
Eme, Laura, Doolittle, W. Ford
openaire +2 more sources
Ribosome Biogenesis in Archaea [PDF]
Making ribosomes is a major cellular process essential for the maintenance of functional ribosome homeostasis and to ensure appropriate gene expression. Strikingly, although ribosomes are universally conserved ribonucleoprotein complexes decoding the genetic information contained in messenger RNAs into proteins, their biogenesis shows an intriguing ...
Londei, Paola+1 more
openaire +5 more sources
The archaeal protein SepF is essential for cell division in Haloferax volcanii
In most bacteria, cell division depends on tubulin homolog FtsZ and other proteins, such as SepF. Cell division in many archaea also depends on FtsZ. Here, Nußbaum et al.
Phillip Nußbaum+4 more
doaj +1 more source
Microbial ammonia oxidation is the first and usually rate limiting step in nitrification and is therefore an important step in the global nitrogen cycle. Ammonia-oxidizing archaea (AOA) play an important role in nitrification.
Michael Melcher+6 more
doaj +1 more source
Characterization of the ATPase FlaI of the motor complex of the Pyrococcus furiosus archaellum and its interactions between the ATP-binding protein FlaH [PDF]
The archaellum, the rotating motility structure of archaea, is best studied in the crenarchaeon Sulfolobus acidocaldarius. To better understand how assembly and rotation of this structure is driven, two ATP-binding proteins, FlaI and FlaH of the motor ...
Paushali Chaudhury+2 more
doaj +2 more sources
CopR, a Global Regulator of Transcription to Maintain Copper Homeostasis in Pyrococcus furiosus
Although copper is in many cases an essential micronutrient for cellular life, higher concentrations are toxic. Therefore, all living cells have developed strategies to maintain copper homeostasis.
Felix Grünberger+12 more
doaj +1 more source