Niche separation in Namib Desert dune Lepismatidae (Thysanura: Insecta): detritivores in an allochthonous detritus ecosystem

1989 ◽  
Vol 17 (1) ◽  
pp. 37-48 ◽  
Author(s):  
R.T. Watson
2016 ◽  
Vol 124 ◽  
pp. 225-232 ◽  
Author(s):  
Ian W. Murray ◽  
Andrea Fuller ◽  
Hilary M. Lease ◽  
Duncan Mitchell ◽  
Robyn S. Hetem

1984 ◽  
Vol 202 (3) ◽  
pp. 327-340 ◽  
Author(s):  
J. Du P. Bothma ◽  
J. A. J. Nel ◽  
A. Macdonald

2016 ◽  
Vol 11 (1) ◽  
pp. 60-75 ◽  
Author(s):  
Ian W. MURRAY ◽  
Hilary M. LEASE ◽  
Robyn S. HETEM ◽  
Duncan MITCHELL ◽  
Andrea FULLER ◽  
...  

1973 ◽  
Vol 107 (958) ◽  
pp. 766-774 ◽  
Author(s):  
K. Y. Kaneshiro ◽  
H. L. Carson ◽  
F. E. Clayton ◽  
W. B. Heed

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Roxana T. Shafiee ◽  
Poppy J. Diver ◽  
Joseph T. Snow ◽  
Qiong Zhang ◽  
Rosalind E. M. Rickaby

AbstractAmmonia oxidation by archaea and bacteria (AOA and AOB), is the first step of nitrification in the oceans. As AOA have an ammonium affinity 200-fold higher than AOB isolates, the chemical niche allowing AOB to persist in the oligotrophic ocean remains unclear. Here we show that marine isolates, Nitrosopumilus maritimus strain SCM1 (AOA) and Nitrosococcus oceani strain C-107 (AOB) have contrasting physiologies in response to the trace metals iron (Fe) and copper (Cu), holding potential implications for their niche separation in the oceans. A greater affinity for unchelated Fe may allow AOB to inhabit shallower, euphotic waters where ammonium supply is high, but competition for Fe is rife. In contrast to AOB, AOA isolates have a greater affinity and toxicity threshold for unchelated Cu providing additional explanation to the greater success of AOA in the marine environment where Cu availability can be highly variable. Using comparative genomics, we predict that the proteomic and metal transport basis giving rise to contrasting physiologies in isolates is widespread across phylogenetically diverse marine AOA and AOB that are not yet available in pure culture. Our results develop the testable hypothesis that ammonia oxidation may be limited by Cu in large tracts of the open ocean and suggest a relatively earlier emergence of AOB than AOA when considered in the context of evolving trace metal availabilities over geologic time.


Ecosphere ◽  
2017 ◽  
Vol 8 (12) ◽  
pp. e02033 ◽  
Author(s):  
Sebastian Kirchhof ◽  
Robyn S. Hetem ◽  
Hilary M. Lease ◽  
Donald B. Miles ◽  
Duncan Mitchell ◽  
...  

2004 ◽  
Vol 32 (1) ◽  
pp. 75-84 ◽  
Author(s):  
Catherine L. Sole ◽  
Clarke H. Scholtz ◽  
Armanda D. S. Bastos
Keyword(s):  

Ecology ◽  
1994 ◽  
Vol 75 (5) ◽  
pp. 1397-1405 ◽  
Author(s):  
Jessica J. Hughes ◽  
David Ward ◽  
Michael R. Perrin

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